doctrine 0.8.1

Project tooling CLI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
// SPDX-License-Identifier: GPL-3.0-only
//! SL-064 PHASE-04 — the `dispatch sync` projection verb (stage-1
//! `--prepare-review`). Materialises the reviewable refs from the coordination
//! branch `dispatch/<slice>` **without writing trunk**:
//!
//! * **B** — `review/<slice>`: a single squashed, filtered projection of the
//!   `dispatch/<slice>` tip, parented to the trunk base, excluding the run-ledger
//!   dir and every journal-verified orthogonal path (design §4.2).
//! * **C** — `phase/<slice>-NN`: the claude-arm per-phase cut synthesised from
//!   `boundaries.toml`, code-only (`.doctrine/` stripped), empty-code phases
//!   skipped, chained so each diff is exactly that phase's code delta (§4.3).
//!
//! The CAS journal is committed onto `dispatch/<slice>` (plumbing-only, no
//! checkout) **before** any external ref mutation (EX-2, ADR-012 D4); external
//! refs are created via zero-oid CAS so a crashed prior run's stale `review/*` /
//! `phase/*` is reported, never clobbered (EX-5). Trunk and `edge` are never
//! touched — that is stage-2 `--integrate` (PHASE-05).

use std::collections::BTreeSet;
use std::io::{self, Write as _};
use std::path::{Path, PathBuf};

use anyhow::{Context as _, bail};
use clap::Subcommand;

use crate::boundary::{BoundaryRow, Provenance};
use crate::corpus_guard;
use crate::git::{self, MergeTree, RefCas, ZERO_OID};
use crate::ledger::{
    Admission, Boundaries, CandidateKind, CandidatePayload, CandidateRole, CandidateRow,
    CandidateStatus, Candidates, Journal, JournalRow, LedgerStatus, Orthogonal, read_candidates,
};
use crate::listing::render_table;
use crate::root;

#[derive(Subcommand)]
pub(crate) enum DispatchCommand {
    /// Sync reviewable refs from the dispatch branch.
    /// Stage selector required; `--prepare-review` creates `review/<slice>` +
    /// `phase/<slice>-NN` under CAS (never writing trunk). `--integrate` replays
    /// the journal. Orchestrator-classed — refused under worker-mode.
    Sync {
        /// The slice id (bare number, e.g. `64`) whose `dispatch/<slice>`
        /// coordination branch to project.
        #[arg(long)]
        slice: u32,

        /// Stage-1: create the reviewable `review/<slice>` and `phase/<slice>-NN`
        /// refs from the dispatch tip; never writes trunk.
        #[arg(long, group = "stage", required = true)]
        prepare_review: bool,

        /// Stage-2: replay the prepared journal idempotently and project the
        /// audited code units (opt-in `--trunk`/`--edge`); runs from parent/root
        /// after the coordination worktree is removed. Never auto-resolves.
        #[arg(long, group = "stage", required = true)]
        integrate: bool,

        /// Read-only (SL-121 §3(b)): print the committed journal's trunk-row
        /// `planned_new_oid` — the row whose target is `--trunk` — to stdout and
        /// exit; the close step-3a verify read surface. Tree-reads `dispatch/<slice>`,
        /// writes nothing.
        #[arg(long, group = "stage", required = true)]
        show_journal_trunk_oid: bool,

        /// Project the cumulative code units onto this trunk ref, fast-forward-only +
        /// expected-tip CAS (e.g. `refs/heads/main`) under `--integrate`; names the
        /// row to read under `--show-journal-trunk-oid`. Absent under `--integrate` ⇒
        /// trunk is left untouched.
        #[arg(long, conflicts_with = "prepare_review")]
        trunk: Option<String>,

        /// Stage-2 only: advance this standing aggregate ref to the `review/<slice>`
        /// bundle (e.g. `refs/heads/edge`). Absent ⇒ no aggregate written.
        #[arg(long, requires = "integrate")]
        edge: Option<String>,

        /// Stage-2 g3 escape (SL-166): allow the advance to delete/revert this
        /// authored `.doctrine/**` path even though the slice did not author the
        /// change. Repeatable; the allowlist is global across BOTH the
        /// `--trunk` and `--edge` legs of a single integrate call (design §10) —
        /// one named path is permitted on either ref it would clobber.
        /// Absent for a clobbered path ⇒ the advance is refused (fail-closed).
        #[arg(long = "allow-corpus-clobber", requires = "integrate")]
        allow_corpus_clobber: Vec<String>,

        /// Explicit project root (default: auto-detect from CWD).
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Record a phase code boundary.
    /// Appends a per-phase boundary to `.doctrine/dispatch/<slice>/boundaries.toml`.
    /// Orchestrator-classed — refused under worker-mode.
    RecordBoundary {
        /// The slice id (bare number, e.g. `64`) whose ledger to append.
        #[arg(long)]
        slice: u32,

        /// The `PHASE-NN` id this code boundary belongs to.
        #[arg(long)]
        phase: String,

        /// Commit-ish for HEAD before the phase's code landed (resolved to a
        /// full oid; the empty-phase test compares it to `--code-end`).
        #[arg(long)]
        code_start: String,

        /// Commit-ish for the phase's cumulative code tip, *before* the knowledge
        /// record commit (resolved to a full oid — the tree the cut snapshots).
        #[arg(long)]
        code_end: String,

        /// Explicit project root (default: auto-detect from CWD).
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Refresh the coordination base from trunk.
    /// Merges current trunk into dispatch/<slice> in the live coordination
    /// worktree. Merge-only; re-run `sync --prepare-review` after.
    /// Orchestrator-classed — refused under worker-mode.
    RefreshBase {
        #[arg(long)]
        slice: u32,
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Create or resume dispatch coordination.
    /// Emits the dispatch env contract on stdout. Orchestrator-classed — refused
    /// under worker-mode.
    Setup {
        /// The slice id (bare number, e.g. `85`).
        #[arg(long)]
        slice: u32,

        /// The coordination worktree directory (must not already exist).
        #[arg(long)]
        dir: PathBuf,

        /// Explicit project root (default: auto-detect from CWD).
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Manage dispatch candidates.
    /// `create` publishes a reviewable/landable candidate at
    /// `candidate/<slice>/<label>`. Orchestrator-classed — refused under
    /// worker-mode.
    Candidate {
        #[command(subcommand)]
        command: CandidateCommand,
    },

    /// Plan the next actionable phase.
    /// Reads the plan and runtime phase sheets; prints ordered phase rollup.
    /// Read-only — callable from anywhere.
    PlanNext {
        /// The slice id (bare number).
        #[arg(long)]
        slice: u32,

        /// Emit JSON instead of human-readable table.
        #[arg(long)]
        json: bool,

        /// Explicit project root.
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Show the dispatch rollup.
    /// Coordination state, phase table, trunk drift, sync state, candidate
    /// summary, next-step guidance.
    Status {
        /// The slice id (bare number, e.g. `85`).
        #[arg(long)]
        slice: u32,

        /// Emit JSON instead of human-readable table.
        #[arg(long)]
        json: bool,

        /// Explicit project root.
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Print the deliver-to ref.
    /// Resolved `[dispatch] deliver_to` trunk delivery ref. Read-only.
    DeliverTo {
        /// Explicit project root (default: auto-detect from CWD).
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Arm the next claude-arm worker spawn (SL-152 PHASE-03).
    /// Writes the coord tree's arming dir `.doctrine/state/dispatch/spawn/base`
    /// = `<sha>\n` (the ONLY thing it carries) and prints the dir's absolute path,
    /// so the orchestrator `cd`s into it before the Agent spawn — the cwd, not the
    /// file's existence, is the positional discriminator the `worktree create-fork`
    /// hook reads (design §5.3). Idempotent (re-arm at B' overwrites base).
    /// Sole-writer; orchestrator-classed — refused under worker-mode.
    ArmSpawn {
        /// The base commit B every spawn in this batch forks at — `dispatch setup`'s
        /// stdout `base=<dispatch_tip>` (the same tip the subprocess arm feeds
        /// `fork --base`). Must be a 4..=64-char hex oid (the reader's accepted form).
        #[arg(long)]
        base: String,

        /// The slice being dispatched (bare number) — diagnostic only; the arming dir
        /// is per-coord-tree, not per-slice (cross-slice partition is by coord tree).
        #[arg(long)]
        slice: Option<u32>,

        /// Explicit project root (default: auto-detect from CWD).
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },
}

#[derive(Subcommand)]
pub(crate) enum CandidateCommand {
    /// Create a candidate (the happy path: provenance gate → no-ff 3-way merge →
    /// zero-oid CAS branch → recorded row). A content conflict aborts cleanly,
    /// writing no row/ref/worktree.
    Create {
        /// The slice id (bare number, e.g. `68`).
        #[arg(long)]
        slice: u32,

        /// The human label (e.g. `review-001`); the ref is
        /// `candidate/<slice>/<label>` and the id `cand-<slice>-<label>`.
        #[arg(long, visible_alias = "target")]
        label: String,

        /// Flavour: `audit` | `experiment`.
        #[arg(long, default_value = "audit")]
        kind: String,

        /// Role: `review_surface` | `close_target` | `scratch`.
        #[arg(long)]
        role: String,

        /// Payload: `impl_bundle` | `code`.
        #[arg(long)]
        payload: String,

        /// The base ref the merge is computed against (e.g. `refs/heads/main`).
        #[arg(long)]
        base: String,

        /// The source ref merged in. Defaults to `review/<slice>` for a
        /// `review_surface`; required otherwise (e.g. a `phase/<slice>-NN`).
        #[arg(long)]
        source: Option<String>,

        /// An optional prior candidate id this fresh row supersedes (EX-2).
        #[arg(long)]
        supersedes: Option<String>,

        /// Also materialise a linked worktree at the candidate branch (opt-in
        /// here; mandatory-for-review is PHASE-03).
        #[arg(long)]
        worktree: bool,

        /// Explicit project root (default: auto-detect from CWD).
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Status (SL-068 PHASE-04): a read-only self-describing surface — lists the
    /// evidence refs and the candidate interaction branches in separate groups,
    /// reports each candidate's base/source/tip/status/admission, surfaces ref
    /// drift, and prints the safe next command(s). Read-classed — never mutates a
    /// ref or the ledger, so it works under worker-mode.
    Status {
        /// The slice id (bare number, e.g. `68`).
        #[arg(long)]
        slice: u32,

        /// Explicit project root (default: auto-detect from CWD).
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },

    /// Admit (SL-068 PHASE-05): pin a recorded candidate's committed tip as the
    /// immutable OID a downstream verb (close/review) targets, after validating
    /// provenance (the recorded merge is the Doctrine candidate merge and an
    /// ancestor of the admitted tip) and re-reading the ref. Writes ONLY
    /// `candidates.toml` — never an evidence/candidate ref. Orchestrator-classed.
    Admit {
        /// The slice id (bare number, e.g. `68`).
        #[arg(long)]
        slice: u32,

        /// Role: `review_surface` | `close_target` (scratch is not admissible).
        #[arg(long)]
        role: String,

        /// The candidate ref to admit (e.g. `refs/heads/candidate/064/close-001`).
        #[arg(long)]
        candidate: String,

        /// The governing review (e.g. `RV-007`).
        #[arg(long)]
        review: Option<String>,

        /// Explicit project root (default: auto-detect from CWD).
        #[arg(short = 'p', long)]
        path: Option<PathBuf>,
    },
}

pub(crate) fn dispatch(cmd: DispatchCommand, _color: bool) -> anyhow::Result<()> {
    match cmd {
        DispatchCommand::Sync {
            slice,
            integrate,
            show_journal_trunk_oid,
            trunk,
            edge,
            allow_corpus_clobber,
            path,
            ..
        } => {
            // The `stage` group is `required = true` single-choice: exactly one
            // of `--prepare-review` / `--integrate` / `--show-journal-trunk-oid`
            // is set, so the booleans select the stage in order (no unreachable
            // arm).
            if show_journal_trunk_oid {
                // SL-128 D3: absent `--trunk` defaults from `[dispatch] deliver_to`;
                // explicit `--trunk` still wins. `--integrate` is unchanged.
                run_show_journal_trunk_oid(path, slice, trunk.as_deref())
            } else if integrate {
                let allow: BTreeSet<String> = allow_corpus_clobber.into_iter().collect();
                run_integrate(path, slice, trunk.as_deref(), edge.as_deref(), &allow)
            } else {
                run_prepare_review(path, slice)
            }
        }
        DispatchCommand::RecordBoundary {
            slice,
            phase,
            code_start,
            code_end,
            path,
        } => run_record_boundary(path, slice, &phase, &code_start, &code_end),
        DispatchCommand::RefreshBase { slice, path } => run_refresh_base(path, slice),
        DispatchCommand::Setup { slice, dir, path } => {
            // Read the harness signal here in the shell (ISS-031 placement
            // guard); a `CLAUDE`-prefixed env var marks the Claude arm, whose
            // outside-root coordination dir silently produces a wrong base.
            let claude_harness =
                std::env::vars_os().any(|(k, _v)| k.to_string_lossy().starts_with("CLAUDE"));
            run_setup(path, slice, &dir, claude_harness)
        }
        DispatchCommand::Candidate { command } => match command {
            CandidateCommand::Create {
                slice,
                label,
                kind,
                role,
                payload,
                base,
                source,
                supersedes,
                worktree,
                path,
            } => {
                let req = CreateRequest {
                    slice,
                    label,
                    kind: parse_kind(&kind)?,
                    role: parse_role(&role)?,
                    payload: parse_payload(&payload)?,
                    base,
                    source,
                    supersedes,
                    worktree,
                    created_at: crate::clock::today(),
                };
                run_candidate_create(path, &req)
            }
            CandidateCommand::Status { slice, path } => run_candidate_status(path, slice),
            CandidateCommand::Admit {
                slice,
                role,
                candidate,
                review,
                path,
            } => {
                let req = AdmitRequest {
                    slice,
                    role: parse_role(&role)?,
                    candidate,
                    review,
                    admitted_at: crate::clock::today(),
                };
                run_candidate_admit(path, &req)
            }
        },
        DispatchCommand::PlanNext { slice, json, path } => run_plan_next(path, slice, json),
        DispatchCommand::Status { slice, json, path } => run_status(path, slice, json),
        DispatchCommand::DeliverTo { path } => run_deliver_to(path),
        DispatchCommand::ArmSpawn { base, slice, path } => run_arm_spawn(path, &base, slice),
    }
}

/// `dispatch arm-spawn` — write the arming `base` file and print the spawn dir
/// (SL-152 PHASE-03; design §5.2/§5.3). The arming dir is in the coord tree's own
/// runtime state (gitignored, withheld `Tier::State` ⇒ never provisioned into a
/// worker fork). The path const is SHARED with the `worktree create-fork` reader
/// ([`crate::worktree::ARMING_SUBPATH`]) — one contract anchor, no re-spelling.
fn run_arm_spawn(path: Option<PathBuf>, base: &str, slice: Option<u32>) -> anyhow::Result<()> {
    // Fail closed on a base outside the reader's accepted envelope (4..=64 hex), so a
    // bad base surfaces at arm time, not silently as a no-fork at spawn time.
    let b = base.trim();
    if !(4..=64).contains(&b.len()) || !b.bytes().all(|c| c.is_ascii_hexdigit()) {
        bail!("bad-base: `{base}` is not a 4..=64-char hex oid");
    }

    let root = root::find(path, &root::default_markers())?;
    let spawn = root.join(crate::worktree::ARMING_SUBPATH);
    std::fs::create_dir_all(&spawn)
        .with_context(|| format!("create arming dir {}", spawn.display()))?;
    crate::fsutil::write_atomic(&spawn.join("base"), format!("{b}\n").as_bytes())
        .with_context(|| format!("write arming base in {}", spawn.display()))?;

    let spawn_canon = std::fs::canonicalize(&spawn)
        .with_context(|| format!("canonicalize arming dir {}", spawn.display()))?;
    if let Some(slice) = slice {
        writeln!(io::stderr(), "armed SL-{slice:03} at base {b}")?;
    }
    writeln!(io::stdout(), "{}", spawn_canon.display())?;
    Ok(())
}

/// PURE — coordination-worktree placement guard (no env/disk; CLAUDE.md split).
///
/// The Claude dispatch arm forks the Agent `isolation: worktree` worker off the
/// Bash cwd's HEAD; base==B is achieved by parking the cwd in the coordination
/// worktree before spawn. Under a harness that confines the cwd to the project
/// root (a bubblewrap jail), a `cd` to a path OUTSIDE the root silently reverts —
/// the worker then forks `main`, not B (ISS-031). Fail closed exactly there: an
/// outside-root coordination dir under a Claude harness. Non-Claude arms keep
/// their enforced outside-root worktree isolation (ADR-008) untouched.
fn classify_coord_placement(
    dir_inside_root: bool,
    claude_harness: bool,
) -> Result<(), &'static str> {
    if claude_harness && !dir_inside_root {
        Err("coord-outside-root-under-claude")
    } else {
        Ok(())
    }
}

/// Resolve `p` to an absolute path against the CWD (best-effort; impure shell).
fn absolutize(p: &Path) -> PathBuf {
    if p.is_absolute() {
        p.to_path_buf()
    } else {
        std::env::current_dir().map_or_else(|_unused| p.to_path_buf(), |cwd| cwd.join(p))
    }
}

/// CLI entry — create or resume the dispatch coordination worktree for `slice`
/// and emit the orchestration env contract on stdout (SL-085, design §2).
/// Gates on `plan.toml` existence + non-empty phase list BEFORE creating the
/// coordination worktree. `claude_harness` is the env signal read by the caller
/// (a `CLAUDE`-prefixed var present) — passed in, not read here, so the placement
/// guard is unit-testable independent of the test runner's own environment.
pub(crate) fn run_setup(
    path: Option<PathBuf>,
    slice: u32,
    dir: &Path,
    claude_harness: bool,
) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;

    // Placement guard (ISS-031): on the Claude arm a coordination worktree
    // outside the project root silently produces a wrong-base spawn. Fail closed
    // before doing any work.
    let dir_inside_root = absolutize(dir).starts_with(absolutize(&root));
    classify_coord_placement(dir_inside_root, claude_harness).map_err(|token| {
        anyhow::anyhow!(
            "{token}: coordination worktree '{}' is outside the project root '{}'. \
             The Claude dispatch arm forks the Agent worktree off the Bash cwd's HEAD; \
             under a cwd-confining jail a `cd` outside the root silently reverts, so the \
             worker would fork `main` instead of base B. Use a path under the project \
             root — convention: .dispatch/SL-{slice:03}.",
            dir.display(),
            root.display()
        )
    })?;

    // Plan gate: read plan.toml, require existence + non-empty phase list.
    let slice_root = root.join(".doctrine/slice");
    let plan = crate::slice::read_plan(&slice_root, slice).with_context(|| {
        format!("no plan for SL-{slice:03}; run 'doctrine slice plan {slice}' first")
    })?;
    if plan.phases.is_empty() {
        anyhow::bail!("plan for SL-{slice:03} has no phases; add phases to plan.toml first");
    }

    // Delegate to the extracted pure-ish core; thread the resolved g2
    // authoring-branch VALUE (ADR-001/VA-1: value, not the loader).
    let authoring = crate::dtoml::load_doctrine_toml(&root)?
        .dispatch
        .authoring_branch;
    let outcome = crate::worktree::coordinate(&root, slice, dir, authoring.as_deref())?;

    // Emit the dispatch env contract on stdout (4 KEY=value lines).
    let dispatch_ref = format!("refs/heads/dispatch/{slice:03}");
    writeln!(io::stdout(), "coordination_dir={}", dir.display())?;
    writeln!(io::stdout(), "base={}", outcome.dispatch_tip)?;
    writeln!(io::stdout(), "slice={slice}")?;
    writeln!(io::stdout(), "dispatch_ref={dispatch_ref}")?;

    Ok(())
}

/// One planned projection: a target ref and the commit it should be created at.
/// `source_oid` is the object the projection was computed from (the journal's
/// replay input).
struct Planned {
    target_ref: String,
    source_oid: String,
    commit_oid: String,
}

/// CLI entry — resolve the root and run stage-1 prepare-review for `slice`.
pub(crate) fn run_prepare_review(path: Option<PathBuf>, slice: u32) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    prepare_review(&root, slice)
}

/// CLI entry — print the committed `dispatch/<slice>` journal trunk-row's full
/// `planned_new_oid` to stdout: the close step-3a read surface (SL-121 §3(b)). The
/// row is named by `trunk` (`target_ref == trunk`). Tree-reads the journal from the
/// coordination tip (`ledger::read_journal_at_ref` → `read_path_at`), so it returns
/// the same value from any checkout — the `sync-tree-reads-ledger-not-worktree`
/// invariant — never a transient `candidate admit` stdout. An absent journal/row
/// refuses (named token), emitting no oid, so the skill never diffs an empty value.
pub(crate) fn run_show_journal_trunk_oid(
    path: Option<PathBuf>,
    slice: u32,
    trunk: Option<&str>,
) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    // SL-128 D3: absent `--trunk` defaults from `[dispatch] deliver_to`
    // (explicit `--trunk` already won at the call site).
    let trunk: String = match trunk {
        Some(t) => t.to_string(),
        None => crate::dtoml::load_doctrine_toml(&root)?.dispatch.deliver_to,
    };
    let slice3 = format!("{slice:03}");
    // Absent ref/journal folds to an empty journal — same "no journal row"
    // refusal as before, now via the shared leaf tree-reader (DRY, EX-3).
    let journal = crate::ledger::read_journal_at_ref(&root, slice)?.unwrap_or_default();
    let oid = journal
        .rows
        .iter()
        .find(|r| r.target_ref == trunk)
        .map(|r| r.planned_new_oid.as_str())
        .with_context(|| {
            format!("show-journal-trunk-oid: no journal row for {trunk} on dispatch/{slice3}")
        })?;
    writeln!(io::stdout(), "{oid}")?;
    Ok(())
}

/// Print the resolved `[dispatch] deliver_to` trunk delivery ref to stdout
/// (SL-128 / IMP-124) — the single source the close skill names instead of a
/// `refs/heads/main` literal, and a convenience for hand-driven git work.
/// Read-only; callable from anywhere (like `dispatch status`/`plan-next`).
pub(crate) fn run_deliver_to(path: Option<PathBuf>) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    let deliver_to = crate::dtoml::load_doctrine_toml(&root)?.dispatch.deliver_to;
    writeln!(io::stdout(), "{deliver_to}")?;
    Ok(())
}

/// CLI entry — resolve the root and run stage-2 integrate for `slice`. `trunk`
/// names the ref the code units project onto (ff-only); `edge` names an optional
/// aggregate ref. Both default off ⇒ a pure idempotent journal replay (EX-1).
pub(crate) fn run_integrate(
    path: Option<PathBuf>,
    slice: u32,
    trunk: Option<&str>,
    edge: Option<&str>,
    allow: &BTreeSet<String>,
) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    // g1 (SL-166 design §5.4): refuse at the verb entry — the earliest, cheapest
    // point, before any ref work — when HEAD sits on the integration buffer under
    // the buffered-trunk posture. This single call covers BOTH the `--trunk`/
    // `--edge` and candidate-active legs, which all land in `integrate()`.
    let cfg = crate::dtoml::load_doctrine_toml(&root)?.dispatch;
    guard_not_on_integration_ref(&root, &cfg)?;
    integrate(&root, slice, trunk, edge, allow)
}

/// g1 (SL-166 design §5.2, EX-1..3) — refuse a trunk-mutating dispatch verb
/// invoked while HEAD sits on the integration buffer (`deliver_to`). The HEAD read
/// is worktree-local (`symbolic-ref --short HEAD` via [`current_branch`], the
/// invoking cwd worktree's branch — EX-2), the same seam the raw-evidence-ref
/// guard uses. Inert unless the buffered-trunk posture is on (`authoring-branch`
/// set and ≠ `deliver_to`, EX-3); the decision is the pure
/// [`corpus_guard::on_integration_buffer`] predicate. The refusal names the buffer
/// ref and the `fetch`-not-`checkout` promotion recovery.
fn guard_not_on_integration_ref(
    root: &Path,
    cfg: &crate::dispatch_config::DispatchConfig,
) -> anyhow::Result<()> {
    let current = current_branch(root)?;
    if corpus_guard::on_integration_buffer(
        current.as_deref(),
        cfg.authoring_branch.as_deref(),
        &cfg.deliver_to,
    ) {
        // Posture is on here (predicate true ⇒ authoring is Some), so unwrap is
        // total; default only as a belt-and-braces non-panic.
        let authoring = cfg.authoring_branch.as_deref().unwrap_or_default();
        let buffer = corpus_guard::short_branch_name(&cfg.deliver_to);
        bail!(
            "{} `{}` — the primary must stay on `{authoring}`. Restore \
             (`git checkout {authoring}`) and promote via \
             `git fetch . {authoring}:{buffer}`, never `checkout {buffer}`.",
            corpus_guard::REFUSE_ON_TRUNK,
            cfg.deliver_to,
        );
    }
    Ok(())
}

/// CLI entry — funnel-time recording: append a per-phase code boundary to
/// `boundaries.toml` (design §4.3; the claude-arm phase-cut input the orchestrator
/// records between funnel steps 7 (code) and 8 (knowledge)). `code_start`/
/// `code_end` are resolved to full commit oids so the ledger holds stable shas,
/// not mobile refs. The orchestrator commits the file onto `dispatch/<slice>`;
/// stage-1 prepare-review tree-reads it (`mem.pattern.dispatch.sync-tree-reads`).
pub(crate) fn run_record_boundary(
    path: Option<PathBuf>,
    slice: u32,
    phase: &str,
    code_start: &str,
    code_end: &str,
) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    let resolve = |refish: &str| -> anyhow::Result<String> {
        resolve_commit(&root, refish)?
            .with_context(|| format!("record-boundary: {refish} does not resolve to a commit"))
    };
    let row = crate::boundary::BoundaryRow {
        phase: phase.to_string(),
        code_start_oid: resolve(code_start)?,
        code_end_oid: resolve(code_end)?,
        // The funnel is the dispatch landing writer (design §5.3); the one row is
        // cloned to both the committed ledger and the registry, so this single
        // stamp covers both writes.
        provenance: crate::boundary::Provenance::Funnel,
    };
    // (1) The committed claude-arm ledger (`.doctrine/dispatch/<N>/boundaries.toml`)
    // — UNCHANGED, the phase-cut input prepare-review tree-reads.
    crate::ledger::record_boundary(&root, slice, row.clone())?;
    // (2) ALONGSIDE it (SL-147 PHASE-04, T3): the arm-NEUTRAL recorded source-delta
    // registry. The funnel runs this same `record-boundary` beat for BOTH arms with
    // the per-phase coordination boundary (B → B+1), so this is the funnel's
    // mutually-exclusive counterpart to the solo binding — never both for one phase.
    // It resolves its one shared file against the PRIMARY tree (so a coordination
    // worktree still writes the row the integrator reads) and applies the F-6 guard
    // + upsert. It does NOT touch the committed ledger above.
    crate::state::record_source_delta(&root, slice, row)
}

/// CLI entry — `doctrine dispatch refresh-base --slice N` (SL-127 §3.2). Advance
/// `dispatch/<NNN>`'s base past trunk drift via a REAL `git merge --no-ff` of the
/// current trunk tip into the dispatch branch, run in the LIVE coordination
/// worktree (never the session/main tree). Single responsibility: the merge only —
/// it does NOT regenerate the review bundle (the operator re-runs `sync
/// --prepare-review` afterwards). Per SPEC-021 it REPORTS conflicts, never
/// auto-resolves: a conflicted merge halts non-zero with the conflicting paths
/// named, leaving `MERGE_HEAD` + markers for the operator and the dispatch ref
/// unadvanced.
pub(crate) fn run_refresh_base(path: Option<PathBuf>, slice: u32) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    let slice3 = format!("{slice:03}");
    let dispatch_ref = format!("refs/heads/dispatch/{slice3}");

    let trunk_tip = git::trunk_commit(&root)?.with_context(|| "trunk ref not found")?;

    // Resolve the live coordination worktree; ALL subsequent git runs use `coord`
    // as the root so they execute there, never the session tree.
    let coord = git::worktree_for_ref(&root, &dispatch_ref)?.with_context(|| {
        format!(
            "no live coordination worktree for dispatch/{slice3}; \
             run 'dispatch setup --slice {slice}' (or resume) first"
        )
    })?;

    let dispatch_tip = git::git_text(&coord, &["rev-parse", "HEAD"])?;

    // Refuse to merge over WIP — a dirty coord tree is the operator's, untouched.
    let dirty = git::git_text(&coord, &["status", "--porcelain"])?;
    if !dirty.is_empty() {
        bail!("refusing to refresh over a dirty coordination worktree (dispatch/{slice3})");
    }

    // Unrelated histories — refuse BEFORE any merge (codex C7).
    if git::merge_base(&coord, &dispatch_tip, &trunk_tip)?.is_none() {
        bail!("unrelated histories — dispatch/{slice3} and trunk share no common ancestor");
    }

    // Trunk already contained in the dispatch branch ⇒ nothing to do, no write.
    if git::is_ancestor(&coord, &trunk_tip, &dispatch_tip)? {
        writeln!(
            io::stdout(),
            "dispatch/{slice3} already fresh — trunk {} is already merged",
            short(&trunk_tip)
        )?;
        return Ok(());
    }

    // The real merge in the coordination worktree. `git_status_ok` returns the
    // raw exit success (it routes through the single `run_git` capture chokepoint)
    // — exit 0 ⇒ git committed the merge; non-zero ⇒ a conflict left MERGE_HEAD +
    // markers in `coord`.
    let msg = format!("refresh-base: merge trunk into dispatch/{slice3}");
    let clean = git::git_status_ok(&coord, &["merge", "--no-ff", "-m", &msg, &trunk_tip])?;

    if clean {
        let new_tip = git::git_text(&coord, &["rev-parse", "HEAD"])?;
        let merged = git::git_text(
            &coord,
            &[
                "rev-list",
                "--count",
                &format!("{dispatch_tip}..{trunk_tip}"),
            ],
        )?;
        writeln!(
            io::stdout(),
            "dispatch/{slice3} refreshed: merged {merged} trunk commit(s); new tip {}",
            short(&new_tip)
        )?;
        return Ok(());
    }

    // Conflict — collect the unmerged paths, report, and halt. Do NOT abort; the
    // operator resolves the half-merged coord worktree (SPEC-021).
    let conflicts = git::git_text(&coord, &["diff", "--name-only", "--diff-filter=U"])?;
    let paths: Vec<&str> = conflicts.lines().filter(|l| !l.is_empty()).collect();
    bail!(
        "refresh-base merge of trunk into dispatch/{slice3} conflicted in {} path(s):\n  {}\n\
         resolve them in the coordination worktree, then commit the merge \
         (MERGE_HEAD is left in place; the dispatch ref is unadvanced).",
        paths.len(),
        paths.join("\n  ")
    );
}

/// Short form of a commit oid for human report lines (first 7 chars).
fn short(oid: &str) -> &str {
    oid.get(..7).unwrap_or(oid)
}

// --- SL-068 PHASE-02: `dispatch candidate create` (design §5.3) --------------

/// The resolved create request — the CLI flag bundle parsed into typed axes (the
/// clock is read in the shell and passed in, pure/imperative split). `source` is
/// the ref the candidate merges in; `base` the ref the merge is computed against;
/// `supersedes` an optional prior candidate id this fresh row links to (EX-2).
pub(crate) struct CreateRequest {
    pub slice: u32,
    pub label: String,
    pub kind: CandidateKind,
    pub role: CandidateRole,
    pub payload: CandidatePayload,
    pub base: String,
    pub source: Option<String>,
    pub supersedes: Option<String>,
    pub worktree: bool,
    pub created_at: String,
}

/// Parse the `--kind` token into [`CandidateKind`].
pub(crate) fn parse_kind(token: &str) -> anyhow::Result<CandidateKind> {
    match token {
        "audit" => Ok(CandidateKind::Audit),
        "experiment" => Ok(CandidateKind::Experiment),
        other => bail!("unknown candidate kind {other:?} (expected audit|experiment)"),
    }
}

/// Parse the `--role` token into [`CandidateRole`].
pub(crate) fn parse_role(token: &str) -> anyhow::Result<CandidateRole> {
    match token {
        "review_surface" => Ok(CandidateRole::ReviewSurface),
        "close_target" => Ok(CandidateRole::CloseTarget),
        "scratch" => Ok(CandidateRole::Scratch),
        other => {
            bail!("unknown candidate role {other:?} (expected review_surface|close_target|scratch)")
        }
    }
}

/// Parse the `--payload` token into [`CandidatePayload`].
pub(crate) fn parse_payload(token: &str) -> anyhow::Result<CandidatePayload> {
    match token {
        "impl_bundle" => Ok(CandidatePayload::ImplBundle),
        "code" => Ok(CandidatePayload::Code),
        other => bail!("unknown candidate payload {other:?} (expected impl_bundle|code)"),
    }
}

/// CLI entry — resolve the root and create a candidate for `req`.
pub(crate) fn run_candidate_create(
    path: Option<PathBuf>,
    req: &CreateRequest,
) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    candidate_create(&root, req)
}

/// The source ref a create merges in: an explicit `--source`, else the default
/// for the role — `review/<slice>` for a review surface; otherwise an explicit
/// source is required (a close target's `phase/<slice>-NN` has no single default).
fn resolve_source_ref(req: &CreateRequest, slice3: &str) -> anyhow::Result<String> {
    if let Some(src) = &req.source {
        return Ok(src.clone());
    }
    match req.role {
        CandidateRole::ReviewSurface => Ok(format!("refs/heads/review/{slice3}")),
        CandidateRole::CloseTarget | CandidateRole::Scratch => bail!(
            "candidate create: --source is required for a {} candidate",
            role_token(req.role)
        ),
    }
}

/// The persisted token for a role (error messages only; the on-disk form is
/// serde's, never hand-spliced into TOML).
fn role_token(role: CandidateRole) -> &'static str {
    match role {
        CandidateRole::ReviewSurface => "review_surface",
        CandidateRole::CloseTarget => "close_target",
        CandidateRole::Scratch => "scratch",
    }
}

/// Single classifier for a journaled-evidence source ref: `review/<slice>` or
/// `phase/<slice>-NN`. The one source of truth for "is this source a journaled
/// evidence ref", so the provenance base-case (and, later, the recursion step)
/// agree — no inline ref-shape duplication.
fn is_journaled_evidence_ref(source_ref: &str, slice3: &str) -> bool {
    source_ref == format!("refs/heads/review/{slice3}")
        || source_ref
            .strip_prefix(&format!("refs/heads/phase/{slice3}-"))
            .and_then(|nn| nn.parse::<u32>().ok())
            .is_some()
}

/// Depth budget for candidate-provenance chain tracing (INV-4, OQ-1).
/// Named constant per STD-001 — never a literal at the call site.
const CANDIDATE_PROVENANCE_DEPTH_BUDGET: u32 = 16;

/// Single classifier for a candidate ref: `refs/heads/candidate/<N>/<label>`.
fn is_candidate_ref(source_ref: &str) -> bool {
    source_ref.starts_with("refs/heads/candidate/")
}

/// Walk the recorded-candidate chain from `ref_name` to a Verified journaled
/// evidence root (design §5.1, INV-1..5). Count-exact `target_ref` match (fail-
/// closed on duplicates, mirrors `ledger.rs:464`); status gate `Created` only;
/// role/kind gate `review_surface | close_target` + `audit`; recurse on a
/// candidate `source_ref`; terminate on a journaled `source_ref` by routing the
/// FULL existing journaled gate (Verified + phase-hole, F3). Bounded by
/// `budget` (INV-4). Returns the matched candidate row so the caller can bind
/// lineage (INV-6) without a second lookup.
fn trace_candidate_provenance<'a>(
    candidates: &'a Candidates,
    journal: &Journal,
    slice3: &str,
    ref_name: &str,
    budget: u32,
) -> anyhow::Result<&'a CandidateRow> {
    if budget == 0 {
        bail!(
            "candidate create: provenance chain too deep or cyclic — \
             budget exhausted at {ref_name}"
        );
    }
    // Count-exact match — fail-closed on duplicates (INV-5).
    let mut rows = candidates.rows.iter().filter(|r| r.target_ref == ref_name);
    let row = rows.next().with_context(|| {
        format!("candidate create: no recorded candidate row for source {ref_name}")
    })?;
    if rows.next().is_some() {
        bail!(
            "candidate create: ambiguous candidate row for {ref_name} — \
             multiple rows share the same target_ref"
        );
    }
    anyhow::ensure!(
        row.status == CandidateStatus::Created,
        "candidate create: source candidate {ref_name} is {:?}, not clean (must be Created)",
        row.status
    );
    anyhow::ensure!(
        matches!(
            row.role,
            CandidateRole::ReviewSurface | CandidateRole::CloseTarget
        ) && row.kind == CandidateKind::Audit,
        "candidate create: source candidate {ref_name} is role={:?}/kind={:?} — \
         only an audit review_surface (or chained close_target) may source a close_target",
        row.role,
        row.kind
    );
    let next = &row.source_ref;
    if is_journaled_evidence_ref(next, slice3) {
        // Terminate at journaled evidence — run the FULL existing gate
        // (Verified + phase-hole, F3 — not a weakened subset).
        let jrow = journal
            .rows
            .iter()
            .find(|r| r.target_ref == *next)
            .with_context(|| {
                format!(
                    "candidate create: no prepare-review journal row for source {next}\
                     run `dispatch sync --prepare-review` first"
                )
            })?;
        anyhow::ensure!(
            jrow.status == LedgerStatus::Verified,
            "candidate create: source {next} is not verified (status {:?}) — \
             no verified evidence to build a candidate from",
            jrow.status
        );
        // Phase-chain integrity: a close target built off phase/<slice>-NN must
        // have no earlier failed phase row.
        let prefix = format!("refs/heads/phase/{slice3}-");
        if let Some(nn) = next
            .strip_prefix(&prefix)
            .and_then(|nn| nn.parse::<u32>().ok())
        {
            for r in &journal.rows {
                if let Some(other) = r
                    .target_ref
                    .strip_prefix(&prefix)
                    .and_then(|n| n.parse::<u32>().ok())
                    && other < nn
                    && r.status == LedgerStatus::Failed
                {
                    bail!(
                        "candidate create: an earlier phase row {} failed — the phase chain \
                         below {next} has an unresolved hole",
                        r.target_ref
                    );
                }
            }
        }
        Ok(row)
    } else if is_candidate_ref(next) {
        trace_candidate_provenance(candidates, journal, slice3, next, budget - 1)
    } else {
        bail!(
            "candidate create: source candidate built from non-evidence {next} — \
             the recorded chain must terminate at a journaled evidence ref"
        )
    }
}

/// EX-1 provenance: the candidate's source ref must correspond to a journal
/// prepare-review row whose `status == Verified`. For a `phase/<slice>-NN` source
/// (a `code` close target) additionally refuse when an EARLIER non-empty
/// phase-chain row `failed` — a hole in the chain means the selected phase does
/// not actually carry verified prior code. Reads the journal from the
/// coordination branch tip (object db). Refuses (no writes) before any verified
/// evidence exists.
fn check_provenance<'a>(
    journal: &Journal,
    candidates: &'a Candidates,
    slice3: &str,
    role: CandidateRole,
    source_ref: &str,
) -> anyhow::Result<Option<&'a CandidateRow>> {
    if is_journaled_evidence_ref(source_ref, slice3) {
        let row = journal
            .rows
            .iter()
            .find(|r| r.target_ref == source_ref)
            .with_context(|| {
                format!(
                    "candidate create: no prepare-review journal row for source {source_ref}\
                     run `dispatch sync --prepare-review` first"
                )
            })?;
        anyhow::ensure!(
            row.status == LedgerStatus::Verified,
            "candidate create: source {source_ref} is not verified (status {:?}) — \
             no verified evidence to build a candidate from",
            row.status
        );

        // Phase-chain integrity: a close target built off phase/<slice>-NN must have
        // no earlier failed phase row (an unresolved hole below the selected phase).
        let prefix = format!("refs/heads/phase/{slice3}-");
        if let Some(nn) = source_ref
            .strip_prefix(&prefix)
            .and_then(|nn| nn.parse::<u32>().ok())
        {
            for r in &journal.rows {
                if let Some(other) = r
                    .target_ref
                    .strip_prefix(&prefix)
                    .and_then(|n| n.parse::<u32>().ok())
                    && other < nn
                    && r.status == LedgerStatus::Failed
                {
                    bail!(
                        "candidate create: an earlier phase row {} failed — the phase chain \
                         below {source_ref} has an unresolved hole",
                        r.target_ref
                    );
                }
            }
        }
        Ok(None)
    } else if role == CandidateRole::CloseTarget && is_candidate_ref(source_ref) {
        let row = trace_candidate_provenance(
            candidates,
            journal,
            slice3,
            source_ref,
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        )?;
        Ok(Some(row))
    } else {
        bail!(
            "candidate create: no prepare-review journal row for source {source_ref} — \
             run `dispatch sync --prepare-review` first"
        )
    }
}

/// The no-`--worktree` content-conflict abort message (design §3.3). Pure. When
/// `ahead == 0` the result is BYTE-IDENTICAL to the pre-SL-127 text — the SL-127
/// base-divergence hint is APPENDED only when trunk has advanced past the source
/// (`ahead > 0`), and even then never asserts the cause (codex C5). This is the
/// single source of the abort text, so the production arm and the byte-identity
/// test cannot drift.
fn candidate_conflict_message(source_ref: &str, base: &str, ahead: u32) -> String {
    let hint = if ahead > 0 {
        format!(
            "; trunk has advanced {ahead} commit(s) past this source — \
             the conflict may be base divergence; try `dispatch refresh-base` \
             then re-prepare + re-create"
        )
    } else {
        String::new()
    };
    format!(
        "candidate create: 3-way merge of {source_ref} onto {base} conflicts — \
         pass --worktree to park the candidate branch at the base for \
         manual resolve+commit, or abort (no row/ref/worktree written){hint}"
    )
}

/// Core `candidate create` (design §5.3, EX-1..5). Happy path only — a content
/// conflict aborts cleanly with NO row/ref/worktree written (the conflicted +
/// `--worktree` lifecycle is PHASE-03). Sequencing: provenance gate → compute the
/// no-ff 3-way merge object → zero-oid CAS the candidate branch → record the row.
/// The CAS precedes the row write, so a refused branch creation leaves no partial
/// durable state.
fn candidate_create(root: &Path, req: &CreateRequest) -> anyhow::Result<()> {
    let slice3 = format!("{:03}", req.slice);
    let coord_ref = format!("refs/heads/dispatch/{slice3}");
    let target_ref = format!("refs/heads/candidate/{slice3}/{}", req.label);
    let id = format!("cand-{slice3}-{}", req.label);

    // --- EX-2: raw-evidence-ref write guard FIRST (invariant I9) — refuse a
    //     create driven from a worktree checked out on a `review/*` / `phase/*`
    //     evidence ref, before ANY durable write. The candidate workflow never
    //     edits the raw evidence refs in place (design §5.3). Pure string check
    //     on the branch the shell resolved. --------------------------------------
    if let Some(branch) = current_branch(root)?
        && is_raw_evidence_ref(&branch)
    {
        bail!(
            "candidate create: the current worktree is checked out on raw evidence ref {branch:?} \
             (review/* and phase/* are immutable, invariant I9) — never edit it in place; \
             run `dispatch candidate create` from a safe branch (e.g. the coordination tree) \
             to publish a candidate instead"
        );
    }

    // --- EX-1: review_surface requires an explicit --worktree in v1. Refuse
    //     before any write so a missing flag leaves no partial state. -----------
    if req.role == CandidateRole::ReviewSurface && !req.worktree {
        bail!(
            "candidate create: a review_surface candidate requires an explicit --worktree \
             (v1: the review surface is always materialised for the reviewer to read)"
        );
    }

    // --- EX-1: verified-source provenance gate FIRST (before any ref resolve
    //     or write) — refuse before verified evidence exists, by ref NAME -------
    let source_ref = resolve_source_ref(req, &slice3)?;
    let journal = read_ledger::<Journal>(root, &coord_ref, &slice3, "journal.toml")?;
    let mut ledger = read_candidates(root, req.slice)?;
    let matched_row = check_provenance(&journal, &ledger, &slice3, req.role, &source_ref)?;

    // --- resolve source + base oids (the journal proved the source verified) -
    let source_oid = resolve_commit(root, &source_ref)?
        .with_context(|| format!("candidate create: source {source_ref} does not resolve"))?;
    let base_oid = resolve_commit(root, &req.base)?
        .with_context(|| format!("candidate create: base {} does not resolve", req.base))?;

    // --- INV-6 lineage binding (RV-175 F-1): for a candidate source, the
    //     live source_oid MUST descend from the recorded merge_oid — binding
    //     resolved CONTENT (not just the ref name) to the verified-traced
    //     provenance. Source-side analog of admit's I3. -------------------------
    if let Some(row) = matched_row {
        anyhow::ensure!(
            !row.merge_oid.is_empty(),
            "candidate create: source candidate {source_ref} has an empty merge_oid — cannot verify lineage"
        );
        anyhow::ensure!(
            git::is_ancestor(root, &row.merge_oid, &source_oid)?,
            "candidate create: source candidate {} tip {} does not descend from its recorded \
             merge {} — the ref moved off its provenance lineage",
            source_ref,
            source_oid,
            row.merge_oid
        );
    }

    // --- EX-2 supersession: a fresh row links to a prior candidate id --------
    let supersedes = match &req.supersedes {
        Some(prior) => {
            anyhow::ensure!(
                ledger.rows.iter().any(|r| r.id == *prior),
                "candidate create: --supersedes {prior} names no recorded candidate"
            );
            prior.clone()
        }
        None => String::new(),
    };

    // --- EX-3: explicit no-ff 3-way merge (object db only) -------------------
    let merge_base = git::merge_base(root, &base_oid, &source_oid)?.with_context(|| {
        format!(
            "candidate create: base {base_oid} and source {source_oid} share no common ancestor"
        )
    })?;

    // The merge outcome decides the lifecycle (EX-1): a clean union commits at
    // the merge tree (status created); a conflict either ABORTS with no durable
    // state (no --worktree) or parks the branch at the base for the user to
    // resolve+commit, recording a conflicted row (--worktree).
    let (branch_oid, merge_oid, status) =
        match git::merge_tree(root, &merge_base, &base_oid, &source_oid)? {
            MergeTree::Clean { tree } => {
                let merge_oid = git::commit_tree_merge(
                    root,
                    &tree,
                    &base_oid,
                    &source_oid,
                    &format!("candidate({slice3}/{}): merge {source_ref}", req.label),
                )?;
                // Clean: the branch points at the merge commit.
                (merge_oid.clone(), merge_oid, CandidateStatus::Created)
            }
            MergeTree::Conflict if !req.worktree => {
                // SL-127 EX-1 (§3.3): diagnostic-only base-divergence hint. The
                // drift count is resolved here in the shell; the (pure) message
                // builder appends a non-asserting hint when trunk has advanced past
                // the source, and renders BYTE-IDENTICAL legacy text when it has not.
                let ahead = trunk_drift(root, &source_oid)?.map_or(0, |d| d.ahead);
                bail!(candidate_conflict_message(&source_ref, &req.base, ahead))
            }
            // Conflicted + --worktree: park the branch at the base so the user
            // resolves+commits in the worktree. No merge commit exists yet.
            MergeTree::Conflict => (base_oid.clone(), String::new(), CandidateStatus::Conflicted),
        };

    // --- EX-3: create the branch under zero-oid CAS (refuses an existing ref).
    //     Precedes the row write so a refused creation leaves no partial state.
    match git::update_ref_cas(root, &target_ref, &branch_oid, ZERO_OID)? {
        RefCas::Updated => {}
        RefCas::Moved { actual } => bail!(
            "candidate create: {target_ref} already exists (at {}) — \
             supersede creates a fresh label, never rewrites a branch",
            actual.as_deref().unwrap_or("?")
        ),
    }

    // --- EX-3: materialise the worktree BEFORE the row write so a worktree
    //     failure rolls the ref back, leaving no orphan branch the ledger does
    //     not know about. The conflicted lifecycle ALWAYS materialises (so the
    //     user can resolve); a clean create only on the opt-in --worktree. -----
    let worktree_path = if req.worktree {
        match add_candidate_worktree(root, &id, &target_ref) {
            Ok(path) => Some(path),
            Err(e) => {
                // Roll back the branch we just created — no partial durable state.
                rollback_ref(root, &target_ref, &branch_oid);
                return Err(e);
            }
        }
    } else {
        None
    };

    // --- EX-3: record the candidate row (status created | conflicted) --------
    let row = CandidateRow {
        id: id.clone(),
        label: req.label.clone(),
        kind: req.kind,
        role: req.role,
        payload: req.payload,
        target_ref: target_ref.clone(),
        source_ref,
        source_oid,
        base_ref: req.base.clone(),
        base_oid,
        merge_oid: merge_oid.clone(),
        status,
        supersedes,
        reason: String::new(),
        created_by: "dispatch candidate create".to_owned(),
        created_at: req.created_at.clone(),
    };
    ledger.rows.push(row);
    crate::ledger::write_candidates(root, req.slice, &ledger)?;

    writeln!(io::stdout(), "{target_ref}")?;
    if let Some(path) = &worktree_path {
        writeln!(io::stdout(), "{}", path.display())?;
    }
    match status {
        CandidateStatus::Conflicted => writeln!(
            io::stderr(),
            "candidate create: {id} conflicted — branch parked at base {branch_oid}; \
             resolve+commit in {}",
            worktree_path
                .as_ref()
                .map_or_else(|| "(worktree)".to_owned(), |p| p.display().to_string())
        )?,
        _ => writeln!(
            io::stderr(),
            "candidate create: {id} created at {merge_oid}"
        )?,
    }
    Ok(())
}

/// Add a linked worktree for candidate `id` at `target_ref` under
/// `.doctrine/state/dispatch/candidate/<id>` (the gitignored runtime tier).
/// Returns the worktree path on success. Impure shell.
fn add_candidate_worktree(root: &Path, id: &str, target_ref: &str) -> anyhow::Result<PathBuf> {
    let wt_path = root.join(".doctrine/state/dispatch/candidate").join(id);
    if let Some(parent) = wt_path.parent() {
        std::fs::create_dir_all(parent)?;
    }
    let wt_str = wt_path
        .to_str()
        .context("candidate create: worktree path is not valid UTF-8")?;
    git::git_text(root, &["worktree", "add", "--quiet", wt_str, target_ref])?;
    Ok(wt_path)
}

/// Best-effort CAS rollback of a ref this create just created — used when a later
/// step fails after the branch was written (EX-3: no partial durable state). A
/// failed delete is swallowed: the caller is already returning the primary error.
fn rollback_ref(root: &Path, target_ref: &str, expected: &str) {
    let _ignored = git::git_opt(root, &["update-ref", "-d", target_ref, expected]);
}

/// The branch the worktree at `root` is checked out on, short form (e.g.
/// `review/064`), or `None` for a detached HEAD. The raw-evidence-ref guard
/// (EX-2) keys on this. Impure shell.
fn current_branch(root: &Path) -> anyhow::Result<Option<String>> {
    Ok(git::git_opt(
        root,
        &["symbolic-ref", "--quiet", "--short", "HEAD"],
    )?)
}

/// Whether `branch` is a raw evidence ref the candidate workflow must never edit
/// in place (invariant I9): the `review/<slice>` impl bundle or a
/// `phase/<slice>-NN` per-phase cut. Pure.
fn is_raw_evidence_ref(branch: &str) -> bool {
    branch.starts_with("review/") || branch.starts_with("phase/")
}

// --- SL-068 PHASE-05: `dispatch candidate admit` (design §5.2/§5.5) -----------

/// The resolved admit request — pin a recorded candidate's tip as the immutable
/// OID a downstream verb (close/review) targets. The clock (`admitted_at`) is read
/// in the shell and passed in (pure/imperative split, like [`CreateRequest`]).
pub(crate) struct AdmitRequest {
    pub slice: u32,
    pub role: CandidateRole,
    pub candidate: String,
    pub review: Option<String>,
    pub admitted_at: String,
}

/// CLI entry — resolve the root and admit the candidate for `req`.
pub(crate) fn run_candidate_admit(path: Option<PathBuf>, req: &AdmitRequest) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    candidate_admit(&root, req)
}

/// Core `candidate admit` (design §5.2 + §5.5 invariants). Pins a recorded
/// candidate's committed tip as the immutable `admitted_oid` a downstream verb
/// targets, after validating provenance (I3, R7): the recorded `merge_oid` is the
/// Doctrine-created candidate merge (its parents are exactly base+source) AND an
/// ancestor of the admitted tip. Re-reads the candidate ref before recording so a
/// ref moved mid-admission is refused (EX-1). Writes ONLY `candidates.toml` — never
/// trunk/edge/`review/*`/`phase/*`/the candidate ref (EX-4). Exactly one current
/// admission per role afterward (the role slot is overwritten; supersession is
/// explicit history via `supersedes`).
fn candidate_admit(root: &Path, req: &AdmitRequest) -> anyhow::Result<()> {
    // --- I9 raw-evidence-ref write guard FIRST (before any read/write) — refuse
    //     an admit driven from a worktree checked out on a `review/*` / `phase/*`
    //     evidence ref. Mirrors create's guard. -----------------------------------
    if let Some(branch) = current_branch(root)?
        && is_raw_evidence_ref(&branch)
    {
        bail!(
            "candidate admit: the current worktree is checked out on raw evidence ref {branch:?} \
             (review/* and phase/* are immutable, invariant I9) — never edit it in place; \
             run `dispatch candidate admit` from a safe branch (e.g. the coordination tree)"
        );
    }

    // scratch is not an admissible role — refuse before any read.
    if req.role == CandidateRole::Scratch {
        bail!("candidate admit: a scratch candidate is not admissible (no review/close target)");
    }

    // --- resolve the candidate tip (must be a committed clean tip) -------------
    let admitted_1 = resolve_commit(root, &req.candidate)?.with_context(|| {
        format!(
            "candidate admit: candidate {} does not resolve to a committed tip",
            req.candidate
        )
    })?;

    // --- find the recorded row pinned by the candidate ref ---------------------
    let mut ledger = read_candidates(root, req.slice)?;
    let row = ledger
        .rows
        .iter()
        .find(|r| r.target_ref == req.candidate)
        .with_context(|| {
            format!(
                "candidate admit: no recorded candidate at {} — admit pins a recorded candidate",
                req.candidate
            )
        })?
        .clone();

    // --- role must match (no mis-slotting) -------------------------------------
    anyhow::ensure!(
        row.role == req.role,
        "candidate admit: candidate {} is role {}, cannot admit as {}",
        row.id,
        role_token(row.role),
        role_token(req.role)
    );

    // --- a conflicted/unresolved row has no Doctrine merge to validate ---------
    anyhow::ensure!(
        !row.merge_oid.is_empty(),
        "candidate admit: candidate {} has no Doctrine merge to validate \
         (conflicted/unresolved) — resolve and re-create before admitting",
        row.id
    );

    // --- provenance (EX-2, I3, R7): merge_oid is the Doctrine candidate merge --
    let merge_parents: std::collections::BTreeSet<String> =
        git::parents(root, &row.merge_oid)?.into_iter().collect();
    let expected_parents: std::collections::BTreeSet<String> =
        [row.base_oid.clone(), row.source_oid.clone()]
            .into_iter()
            .collect();
    anyhow::ensure!(
        merge_parents == expected_parents,
        "candidate admit: merge_oid {} is not the Doctrine candidate merge \
         (parents != base+source)",
        row.merge_oid
    );
    anyhow::ensure!(
        git::is_ancestor(root, &row.merge_oid, &admitted_1)?,
        "candidate admit: admitted tip {admitted_1} does not descend from candidate merge {} (I3)",
        row.merge_oid
    );

    // --- EX-1: re-read the candidate ref before recording — a tip moved between
    //     the first resolve and now is refused (record only the proven oid) -----
    let admitted_2 = resolve_commit(root, &req.candidate)?;
    anyhow::ensure!(
        admitted_2.as_deref() == Some(admitted_1.as_str()),
        "candidate admit: candidate {} moved during admission (was {admitted_1}, now {}) — \
         re-run admit",
        req.candidate,
        admitted_2.as_deref().unwrap_or("absent")
    );

    // --- EX-3, I5: record the admission, overwriting the role slot (exactly one
    //     current admission per role; supersession is explicit history) ---------
    let supersedes = prior_admission(&ledger, req.role)
        .map(|a| a.candidate_id.clone())
        .unwrap_or_default();
    let admission = Admission {
        candidate_id: row.id.clone(),
        candidate_ref: req.candidate.clone(),
        expected_ref_oid: admitted_1.clone(),
        admitted_oid: admitted_1.clone(),
        review: req.review.clone().unwrap_or_default(),
        supersedes,
        admitted_at: req.admitted_at.clone(),
    };
    // scratch was refused above; admit only ever reaches a review/close slot.
    let slot = match req.role {
        CandidateRole::ReviewSurface => &mut ledger.current_admission.review_surface,
        CandidateRole::CloseTarget | CandidateRole::Scratch => {
            &mut ledger.current_admission.close_target
        }
    };
    *slot = Some(admission);
    crate::ledger::write_candidates(root, req.slice, &ledger)?;

    writeln!(io::stdout(), "{admitted_1}")?;
    writeln!(
        io::stderr(),
        "candidate admit: {} admitted at {admitted_1} ({})",
        row.id,
        role_token(req.role)
    )?;
    Ok(())
}

/// The role's current admission, if any — the record a fresh admit supersedes.
fn prior_admission(ledger: &Candidates, role: CandidateRole) -> Option<&Admission> {
    match role {
        CandidateRole::CloseTarget => ledger.current_admission.close_target.as_ref(),
        CandidateRole::ReviewSurface => ledger.current_admission.review_surface.as_ref(),
        CandidateRole::Scratch => None,
    }
}

// --- SL-068 PHASE-04: `dispatch candidate status` (design §5.3, EX-1..3) ------

/// CLI entry — resolve the root and render the candidate status surface for
/// `slice`. Read-only: never mutates a ref or the ledger (EX-3).
pub(crate) fn run_candidate_status(path: Option<PathBuf>, slice: u32) -> anyhow::Result<()> {
    let root = root::find(path, &root::default_markers())?;
    candidate_status(&root, slice)
}

/// Abbreviate an oid to its leading 12 chars for the human surface; empty stays
/// empty (a conflicted row has no merge oid), `—` is the absent-ref sentinel
/// (kept verbatim). Pure.
fn short_oid(oid: &str) -> String {
    if oid.is_empty() || oid == "" {
        return oid.to_owned();
    }
    oid.chars().take(12).collect()
}

/// One evidence-ref status row (the EX-1 evidence group): the ref name, its
/// human group label, and its live tip (`—` when the ref is absent). Pure data —
/// the impure shell resolves the tips and builds the rows.
struct EvidenceRow {
    refname: String,
    group: &'static str,
    tip: String,
}

/// Render the candidate status surface (design §5.3, EX-1..3): the evidence-ref
/// group, the candidate-ref group with per-candidate base/source/tip/status/
/// admission + drift, and the safe next command(s). READ-ONLY — it resolves live
/// ref tips and reads `candidates.toml`, never writing a ref or the ledger (EX-3).
/// From a worktree on a raw evidence ref it WARNS (unlike create's refusal, EX-3).
fn candidate_status(root: &Path, slice: u32) -> anyhow::Result<()> {
    let slice3 = format!("{slice:03}");

    // EX-3: read-only — a raw-evidence-ref worktree only WARNS (never refuses,
    // unlike create's I9 guard) since status mutates nothing.
    if let Some(branch) = current_branch(root)?
        && is_raw_evidence_ref(&branch)
    {
        writeln!(
            io::stderr(),
            "candidate status: the current worktree is checked out on raw evidence ref `{branch}` \
             (review/* and phase/* are immutable) — status is read-only and changes nothing, but \
             never edit an evidence ref in place; publish via `dispatch candidate create`"
        )?;
    }

    let ledger = read_candidates(root, slice)?;

    // --- EX-1: the evidence-ref group, kept VISIBLY SEPARATE from candidates --
    let evidence = collect_evidence(root, &slice3)?;
    let mut grid: Vec<Vec<String>> = vec![cells(&["ref", "group", "tip"])];
    for row in &evidence {
        grid.push(cells(&[&row.refname, row.group, &short_oid(&row.tip)]));
    }
    writeln!(io::stdout(), "evidence refs:")?;
    write!(io::stdout(), "{}", render_table(&grid, None))?;

    // --- EX-2: the candidate-ref group with per-candidate report + drift ------
    writeln!(io::stdout(), "\ncandidates (interaction branches):")?;
    let mut cgrid: Vec<Vec<String>> = vec![cells(&[
        "id",
        "branch",
        "status",
        "base",
        "source",
        "tip",
        "admission",
        "drift",
    ])];
    let mut any_drift = false;
    for row in &ledger.rows {
        let report = candidate_report(root, &ledger, row)?;
        any_drift |= report.drift;
        cgrid.push(cells(&[
            &row.id,
            &row.target_ref,
            status_token(row.status),
            &short_oid(&row.base_oid),
            &short_oid(&row.source_oid),
            &short_oid(&report.tip),
            &report.admission,
            if report.drift { "DRIFT" } else { "ok" },
        ]));
    }
    if ledger.rows.is_empty() {
        writeln!(io::stdout(), "(none recorded)")?;
    } else {
        write!(io::stdout(), "{}", render_table(&cgrid, None))?;
    }

    // --- EX-3: print the safe NEXT command(s), not "inspect raw refs" ---------
    write_next_commands(&slice3, &ledger, any_drift)?;
    Ok(())
}

/// The per-candidate live report (EX-2): the candidate ref's live tip, a human
/// admission summary, and whether the live tip has DRIFTED from the
/// recorded/admitted OID (invariant I4 — reported, never hidden).
struct CandidateReport {
    tip: String,
    admission: String,
    drift: bool,
}

/// Build a candidate's live report (EX-2). The live tip is resolved from the
/// candidate's `target_ref` (`—` when absent); the admission summary names the
/// admitting review when this candidate is the role's admitted one. Drift = the
/// live tip differs from the OID the row pins: the admitted oid when admitted,
/// else the recorded `merge_oid` (skipped for a conflicted row, whose branch is
/// intentionally parked at base with no merge commit).
fn candidate_report(
    root: &Path,
    ledger: &Candidates,
    row: &CandidateRow,
) -> anyhow::Result<CandidateReport> {
    let tip = resolve_commit(root, &row.target_ref)?.unwrap_or_else(|| "".to_owned());
    let admitted = admission_for(ledger, &row.id);
    let admission = match admitted {
        Some(a) => format!("admitted ({})", a.review),
        None => "".to_owned(),
    };
    // The OID the row pins: the admitted oid when admitted, else the recorded
    // merge oid. A conflicted row (empty merge_oid, branch parked at base) is not
    // drift-checked — it has no recorded merge tip to compare against.
    let pinned = match admitted {
        Some(a) => Some(a.admitted_oid.as_str()),
        None if row.status == CandidateStatus::Conflicted => None,
        None if row.merge_oid.is_empty() => None,
        None => Some(row.merge_oid.as_str()),
    };
    let drift = match (pinned, tip.as_str()) {
        (Some(pin), live) => live != "" && live != pin,
        (None, _) => false,
    };
    Ok(CandidateReport {
        tip,
        admission,
        drift,
    })
}

/// The admission record (either role) whose `candidate_id` matches `id`, if this
/// candidate is the currently-admitted one for its role. Pure lookup.
fn admission_for<'a>(ledger: &'a Candidates, id: &str) -> Option<&'a Admission> {
    [
        ledger.current_admission.close_target.as_ref(),
        ledger.current_admission.review_surface.as_ref(),
    ]
    .into_iter()
    .flatten()
    .find(|a| a.candidate_id == id)
}

/// Resolve the evidence-ref group (EX-1): the coordination branch, the impl
/// bundle, and every `phase/<slice>-NN` cut — NEVER conflated with a
/// `candidate/<slice>/*` interaction branch. Impure shell (resolves live tips).
fn collect_evidence(root: &Path, slice3: &str) -> anyhow::Result<Vec<EvidenceRow>> {
    let mut rows: Vec<EvidenceRow> = Vec::new();
    for (refname, group) in [
        (format!("refs/heads/dispatch/{slice3}"), "coordination"),
        (format!("refs/heads/review/{slice3}"), "impl-bundle"),
    ] {
        let tip = resolve_commit(root, &refname)?.unwrap_or_else(|| "".to_owned());
        rows.push(EvidenceRow {
            refname,
            group,
            tip,
        });
    }
    for refname in for_each_ref(root, &format!("refs/heads/phase/{slice3}-*"))? {
        let tip = resolve_commit(root, &refname)?.unwrap_or_else(|| "".to_owned());
        rows.push(EvidenceRow {
            refname,
            group: "phase-cut",
            tip,
        });
    }
    Ok(rows)
}

/// Enumerate the full ref names matching `pattern` (a `for-each-ref` glob, e.g.
/// `refs/heads/phase/068-*`), sorted by git's default (lexical). Empty when none
/// match. Impure shell.
fn for_each_ref(root: &Path, pattern: &str) -> anyhow::Result<Vec<String>> {
    let out = git::git_text(root, &["for-each-ref", "--format=%(refname)", pattern])?;
    Ok(out.lines().map(str::to_owned).collect())
}

/// The persisted status token for a candidate row (read view only).
fn status_token(status: CandidateStatus) -> &'static str {
    match status {
        CandidateStatus::Created => "created",
        CandidateStatus::Conflicted => "conflicted",
        CandidateStatus::Abandoned => "abandoned",
        CandidateStatus::Superseded => "superseded",
    }
}

/// Build one cell-row of owned strings from string slices.
fn cells(values: &[&str]) -> Vec<String> {
    values.iter().map(|s| (*s).to_string()).collect()
}

/// EX-3: print the safe NEXT command(s) — concrete verbs the user runs, not
/// "inspect the raw refs". Guidance branches on ledger state: no candidates ⇒
/// create; candidates present ⇒ admit/close guidance; any drift ⇒ a re-admit
/// note (the admitted oid is immutable; a moved tip needs a fresh candidate).
fn write_next_commands(slice3: &str, ledger: &Candidates, any_drift: bool) -> anyhow::Result<()> {
    let slice = slice3.trim_start_matches('0');
    let slice = if slice.is_empty() { "0" } else { slice };
    writeln!(io::stdout(), "\nnext:")?;
    if ledger.rows.is_empty() {
        writeln!(
            io::stdout(),
            "  dispatch candidate create --slice {slice} --role review_surface \
             --payload impl_bundle --base refs/heads/main --label review-001 --worktree"
        )?;
        return Ok(());
    }
    writeln!(
        io::stdout(),
        "  dispatch candidate create --slice {slice} ...   # publish a fresh candidate"
    )?;
    writeln!(
        io::stdout(),
        "  dispatch candidate admit --slice {slice} --id <candidate-id> --review RV-NNN   \
         # pin a candidate for review/close"
    )?;
    if any_drift {
        writeln!(
            io::stdout(),
            "  note: a DRIFTED candidate's live tip moved off its recorded/admitted oid \
             (immutable) — supersede with a fresh candidate rather than editing in place"
        )?;
    }
    Ok(())
}

/// Resolve a commit-ish ref to its commit oid, or `None` when it does not exist.
fn resolve_commit(root: &Path, refish: &str) -> anyhow::Result<Option<String>> {
    Ok(git::git_opt(
        root,
        &[
            "rev-parse",
            "--verify",
            "--quiet",
            &format!("{refish}^{{commit}}"),
        ],
    )?)
}

/// The tree oid of a commit.
fn tree_of(root: &Path, commit: &str) -> anyhow::Result<String> {
    Ok(git::git_text(
        root,
        &["rev-parse", &format!("{commit}^{{tree}}")],
    )?)
}

/// PHASE-05 (ISS-052) projection-source guard predicate (design §5.2 / D11).
///
/// The committed boundaries ledger holds **only funnel phases**; `plan_phases`
/// projects a per-phase cut for each. A funnel phase whose committed-ledger row
/// was lost (coord worktree removed before prepare-review, a partial working
/// ledger) under-projects *silently* — yet the funnel double-write already wrote
/// its **registry** row, so `registry_completeness` still passes. Provenance is
/// the discriminator: every registry row that is **not** positively solo/manual
/// (`Funnel`, or legacy `Unknown` we cannot clear) must have a committed-ledger
/// row. `Solo` (the binding) and `Manual` (the record-delta escape hatch, which
/// never asserts a ledger row exists) are excluded. Pure: a phase-id set compare,
/// never a code-delta diff (the pass-5 reshape deleted that path).
fn missing_committed_funnel_phases<'a>(
    registry: &'a [BoundaryRow],
    committed: &BTreeSet<&str>,
) -> Vec<&'a str> {
    registry
        .iter()
        .filter(|r| matches!(r.provenance, Provenance::Funnel | Provenance::Unknown))
        .map(|r| r.phase.as_str())
        .filter(|p| !committed.contains(p))
        .collect()
}

/// Stage-1 prepare-review (design §4.2 B + §4.3 C).
fn prepare_review(root: &Path, slice: u32) -> anyhow::Result<()> {
    let slice3 = format!("{slice:03}");
    let coord_ref = format!("refs/heads/dispatch/{slice3}");
    let journal_path = format!(".doctrine/dispatch/{slice3}/journal.toml");

    let tip0 = resolve_commit(root, &coord_ref)?
        .with_context(|| format!("prepare-review: dispatch/{slice3} does not exist"))?;
    // (ISS-039, design §5.2 step 1) Splice the live coord worktree's UNCOMMITTED
    // boundaries ledger onto the tip BEFORE any read, mirroring `commit_journal`,
    // so `read_ledger`/`plan_phases` (and the PHASE-05 derive) read one committed,
    // checkout-independent source (SPEC-022-legal, D7/D10). No-op when there is no
    // live coord worktree or no working file (D9 liveness wrapper); content-
    // idempotent, so a re-run with identical content does not advance the ref.
    let tip = match git::live_worktree_for_ref(root, &coord_ref)? {
        Some(coord) => commit_boundaries(root, &tip0, &coord_ref, &coord, slice)?,
        None => tip0,
    };
    let tip_tree = tree_of(root, &tip)?;
    // Project off the PINNED FORK-POINT — merge-base(dispatch/<slice>, trunk) —
    // not the live trunk tip (RV-030 F-1, design §4.2/§4.3 trunk_base_B). The
    // coordination worktree isolates the working tree, NOT the trunk ref: a
    // foreign commit landing on trunk between `coordinate` and `sync` must not
    // reparent the per-phase cuts, else their diffs stop being exact and the
    // §3/IMP-043 "integrate refuses non-ff" net is silently bypassed. The live
    // tip resurfaces only at integrate's actual trunk push, under CAS.
    let trunk_tip = git::trunk_commit(root)?
        .context("prepare-review: no trunk ref resolves — a trunk base is required")?;
    let trunk_base = git::merge_base(root, &tip, &trunk_tip)?.with_context(|| {
        format!(
            "prepare-review: dispatch/{slice3} and trunk ({trunk_tip}) share no common ancestor"
        )
    })?;

    // --- source the run ledger from the dispatch tip (object db, not the
    //     working tree — works stage-1 and stage-2; design §4.1) --------------
    let orthogonal = read_ledger::<Orthogonal>(root, &coord_ref, &slice3, "orthogonal.toml")?;
    let boundaries = read_ledger::<Boundaries>(root, &coord_ref, &slice3, "boundaries.toml")?;

    // --- PHASE-05 (ISS-052): guard → derive → gate, ALL before the ref
    //     projection (the ordering is load-bearing — a halt creates no refs, so
    //     the operator's record-delta → re-run collides with nothing; design
    //     §5.2 steps 3–5 / D11 / F1). All three root on the PRIMARY tree so a
    //     coordination-worktree cwd still reads/writes the registry the
    //     integrator consumes. ----------------------------------------------------
    let primary = git::primary_worktree(root)?;

    // (3) projection-source guard (D11) — read the primary registry PRE-DERIVE:
    //     a funnel/legacy row with no committed-ledger counterpart would
    //     under-project silently (plan_phases emits no cut for it).
    let registry = crate::state::read_source_deltas(&primary, slice)?;
    let committed: BTreeSet<&str> = boundaries.rows.iter().map(|r| r.phase.as_str()).collect();
    let missing = missing_committed_funnel_phases(&registry, &committed);
    if !missing.is_empty() {
        bail!(
            "prepare-review: committed boundaries ledger is missing phase(s) {missing:?} on \
             dispatch/{slice3} that the registry records as funnel-owned (or legacy/unclassified). \
             The registry has them but the dispatch ref does not — the coordination worktree was \
             likely removed before prepare-review, or these are pre-provenance rows. Re-run with \
             the coord worktree present (it persists until integrate), or record-delta + COMMIT \
             the ledger for the named phase(s)."
        );
    }

    // (4) derive: upsert each committed-ledger row (Funnel) into the primary
    //     registry — fills a missing row, overwrites a binding mis-capture.
    for row in &boundaries.rows {
        crate::state::record_source_delta(&primary, slice, row.clone())?;
    }

    // (5) gate: primary-rooted completeness (both the completed-set and the
    //     registry resolve against `primary`) — bail BEFORE projection on any gap.
    if let crate::state::Completeness::Incomplete { gaps } =
        crate::state::registry_completeness(&primary, &primary, slice)?
    {
        let detail = gaps
            .iter()
            .map(crate::state::CompletenessGap::describe)
            .collect::<Vec<_>>()
            .join("; ");
        bail!(
            "prepare-review: conformance registry incomplete: {detail}; \
             record-delta the missing phase(s) before audit"
        );
    }

    // --- compute projections (objects only; no ref mutation yet) ------------
    let mut planned: Vec<Planned> = Vec::new();
    plan_review(
        root,
        &slice3,
        &tip,
        &tip_tree,
        &trunk_base,
        &orthogonal,
        &mut planned,
    )?;
    plan_phases(root, &slice3, &trunk_base, &boundaries, &mut planned)?;

    // --- EX-2: journal intent committed onto the branch BEFORE any external
    //     ref mutation; apply the external ref creations under zero-oid CAS
    //     (EX-5); record applied status back (recoverability) -------------------
    let mut journal = pending_journal(&planned);
    let outcomes = with_journaled_projection(
        root,
        &tip,
        &tip_tree,
        &journal_path,
        &coord_ref,
        &mut journal,
        "journal: prepare-review",
        |root, row| match git::update_ref_cas(
            root,
            &row.target_ref,
            &row.planned_new_oid,
            ZERO_OID,
        )? {
            RefCas::Updated => {
                row.status = LedgerStatus::Verified;
                row.applied_new_oid = row.planned_new_oid.clone();
                writeln!(io::stdout(), "{}", row.target_ref)?;
                Ok(RowOutcome::Done {
                    disposition: Disposition::Created,
                })
            }
            RefCas::Moved { actual } => {
                row.status = LedgerStatus::Failed;
                Ok(RowOutcome::Refused {
                    token: format!(
                        "{} (exists at {})",
                        row.target_ref,
                        actual.as_deref().unwrap_or("?")
                    ),
                })
            }
        },
    )?;

    let stale: Vec<String> = outcomes
        .into_iter()
        .filter_map(|o| match o {
            RowOutcome::Refused { token } => Some(token),
            RowOutcome::Done { .. } => None,
        })
        .collect();
    if stale.is_empty() {
        writeln!(
            io::stderr(),
            "prepare-review: {} ref(s) created",
            journal.rows.len()
        )?;
        Ok(())
    } else {
        bail!(
            "prepare-review: {} stale ref(s) reported, not clobbered: {}",
            stale.len(),
            stale.join(", ")
        )
    }
}

/// Stage-2 integrate (design §4 / §4.3). Sources the prepared journal from the
/// `dispatch/<slice>` tip tree (object db — works after the coordination worktree
/// is removed, EX-1), then **replays every row idempotently** under the 3-way CAS
/// ([`git::replay_ref`]): an intact prepared ref is a verified no-op, a clobbered
/// one is refused. When opted in, it appends and replays projection rows that
/// advance the audited code units onto `trunk` (ff-only, EX-3) and an aggregate
/// `edge` ref (EX-4). Plumbing-only — no checkout; the journal intent commits onto
/// the branch BEFORE any external ref mutation and the applied status commits back
/// after (EX-5). A moved target is reported, never clobbered (no auto-resolve).
fn integrate(
    root: &Path,
    slice: u32,
    trunk: Option<&str>,
    edge: Option<&str>,
    allow: &BTreeSet<String>,
) -> anyhow::Result<()> {
    let slice3 = format!("{slice:03}");
    let coord_ref = format!("refs/heads/dispatch/{slice3}");
    let journal_path = format!(".doctrine/dispatch/{slice3}/journal.toml");

    let tip = resolve_commit(root, &coord_ref)?
        .with_context(|| format!("integrate: dispatch/{slice3} does not exist"))?;
    let tip_tree = tree_of(root, &tip)?;

    // Stage-1 must have prepared the journal (tree-read, never the filesystem —
    // it would silently empty from the parent/root, see the sync-tree-reads-ledger
    // memory). An empty journal ⇒ prepare-review never ran.
    let mut journal = read_ledger::<Journal>(root, &coord_ref, &slice3, "journal.toml")?;
    if journal.rows.is_empty() {
        bail!("integrate: no prepared journal on dispatch/{slice3} — run prepare-review first");
    }

    // --- SL-068 PHASE-06: a candidate workflow is "active for the slice" ⇔ the
    //     ledger carries ≥1 recorded candidate row. When active, --trunk/--edge
    //     source the ADMITTED oid (close_target / review_surface) and REFUSE
    //     rather than fall back to a raw phase/review ref (I6, I4, R4). When NOT
    //     active the legacy paths are preserved UNCHANGED (this is what keeps
    //     e2e_dispatch_sync.rs — which records no candidate — green). -----------
    let candidates = read_candidates(root, slice)?;
    let candidate_active = !candidates.rows.is_empty();

    // --- plan opt-in projection rows (idempotent: skip a target already
    //     journaled by a prior/crashed run — its recorded intent is replayed) ---
    let fresh = |j: &Journal, target: &str| !j.rows.iter().any(|r| r.target_ref == target);
    if let Some(trunk_ref) = trunk.filter(|t| fresh(&journal, t)) {
        let row = if candidate_active {
            plan_candidate_trunk_row(root, &candidates, trunk_ref)?
        } else {
            plan_trunk_row(root, &slice3, &journal, trunk_ref)?
        };
        journal.rows.push(row);
    }
    if let Some(edge_ref) = edge.filter(|e| fresh(&journal, e)) {
        let row = if candidate_active {
            plan_candidate_edge_row(root, &candidates, edge_ref)?
        } else {
            plan_edge_row(root, &slice3, edge_ref)?
        };
        journal.rows.push(row);
    }

    // --- §2.3/M4 dirty pre-gate: BEFORE the first commit_journal (which the
    //     bracket owns and which advances dispatch/<slice>). Any checked-out target
    //     with a DIRTY tracked tree refuses the WHOLE integrate with zero refs
    //     moved — incl. dispatch/<slice> (EX-1). Pre-existing dirt only; concurrent
    //     dirt is a raced-failure-after-advance (§7). Err early-return is correct:
    //     nothing is journaled yet. -----------------------------------------------
    for row in &journal.rows {
        if let Some(wt) = git::worktree_for_ref(root, &row.target_ref)?
            && !git::tree_clean(&wt)?
        {
            bail!("integrate-dirty-worktree ({})", row.target_ref);
        }
    }

    // --- record the operator g3 corpus-clobber allowlist on the committed journal
    //     (SL-166 EX-4): call-global across both legs (§10), an audit trail of
    //     what the orchestrator waved through. Empty by default ⇒ g3 fail-closed.
    journal.allowed_clobbers = allow.iter().cloned().collect();

    // --- journal the (possibly extended) intent onto the branch BEFORE any
    //     external ref mutation (EX-5, ADR-012 D4); advance every row idempotently
    //     — exact-CAS classification, worktree-aware mechanism (§2.2, EX-2..EX-5);
    //     g3 (always-on) refuses a corpus-clobbering advance before the mutation;
    //     record applied status back. ---------------------------------------------
    let outcomes = with_journaled_projection(
        root,
        &tip,
        &tip_tree,
        &journal_path,
        &coord_ref,
        &mut journal,
        "journal: integrate",
        |root, row| advance_row(root, row, allow),
    )?;

    report_integrate(&journal, &outcomes)
}

/// Advance one journal row to its planned oid — integrate's worktree-aware apply
/// closure (design §2.2, EX-2..EX-5). Classification is the EXACT `replay_ref`
/// predicate (`current == planned` → no-op; `current != expected_old` → moved;
/// else advance); only the *mechanism* of the advance branches on the target's
/// checkout state. A semantic refusal sets `row.status = Failed` and returns
/// `Ok(RowOutcome::Refused)` (the post-loop recovery commit makes it durable, B3);
/// `Err` is reserved for genuine plumbing failure.
fn advance_row(
    root: &Path,
    row: &mut JournalRow,
    allow: &BTreeSet<String>,
) -> anyhow::Result<RowOutcome> {
    let actual = resolve_commit(root, &row.target_ref)?;
    let current = actual.as_deref().unwrap_or(ZERO_OID);
    let planned = row.planned_new_oid.clone();
    let expected_old = row.expected_old_oid.clone();

    if current == planned {
        row.status = LedgerStatus::Verified;
        row.applied_new_oid = planned;
        return Ok(RowOutcome::Done {
            disposition: Disposition::NoOp,
        });
    }
    if current != expected_old {
        row.status = LedgerStatus::Failed;
        return Ok(RowOutcome::Refused {
            token: format!(
                "{} (target at {})",
                row.target_ref,
                actual.as_deref().unwrap_or("?")
            ),
        });
    }

    // g3 — the always-on 3-way corpus-clobber gate (SL-166 design §5.2/§5.5).
    // Before the mutation, refuse an advance that would delete or revert authored
    // `.doctrine/**` paths the live target holds. Inert when the target is absent
    // (a creation holds nothing to clobber) and on a true fast-forward (planned
    // descends current ⇒ base == current ⇒ empty changed-set). Load-bearing now on
    // the un-gated `--edge` leg (RV-176 F-2); forward-insurance for RFC-006.
    if current != ZERO_OID
        && let Some(token) = corpus_clobber_refusal(root, &planned, current, allow)?
    {
        row.status = LedgerStatus::Failed;
        return Ok(RowOutcome::Refused { token });
    }

    // current == expected_old → a real advance. The ONLY place the mechanism
    // branches on checkout state.
    match git::worktree_for_ref(root, &row.target_ref)? {
        None => advance_pure_ref(root, row, &planned, &expected_old),
        Some(wt) => advance_checked_out(root, row, &wt, &planned, &expected_old),
    }
}

/// g3 shell (SL-166 design §5.2): read the three trees and run the pure
/// [`corpus_guard::corpus_clobber_check`] predicate. Returns the refusal token (a
/// capped path list) when advancing the target from `cur` to `new` would clobber
/// an unallowed authored `.doctrine` path, else `None`. `base = merge-base(new,
/// cur)`, falling back to the empty tree when their histories are unrelated. All
/// git I/O lives here (the impure shell); the predicate stays a pure leaf.
fn corpus_clobber_refusal(
    root: &Path,
    new: &str,
    cur: &str,
    allow: &BTreeSet<String>,
) -> anyhow::Result<Option<String>> {
    let base = git::merge_base(root, new, cur)?.unwrap_or_else(|| git::EMPTY_TREE_OID.to_owned());
    let changed = git::diff_doctrine_paths(root, &base, cur, corpus_guard::DOCTRINE_PATHSPEC)?;
    if changed.is_empty() {
        return Ok(None);
    }
    let readings = changed
        .into_iter()
        .map(|path| -> anyhow::Result<corpus_guard::ClobberReading> {
            let base_oid = git::blob_oid_at(root, &base, &path)?;
            let new_oid = git::blob_oid_at(root, new, &path)?;
            Ok(corpus_guard::ClobberReading {
                path,
                base_oid,
                new_oid,
            })
        })
        .collect::<anyhow::Result<Vec<_>>>()?;
    let clobbers = corpus_guard::corpus_clobber_check(&readings, allow);
    if clobbers.is_empty() {
        Ok(None)
    } else {
        Ok(Some(format!(
            "{} ({})",
            corpus_guard::CORPUS_CLOBBER,
            corpus_guard::render_clobbers(&clobbers, corpus_guard::CLOBBER_RENDER_CAP),
        )))
    }
}

/// The not-checked-out leg: pure `update_ref_cas`, CAS-and-done. Under Doctrine's
/// dispatch posture the delivery ref is never checked out, so a successful CAS
/// needs no worktree resync (SL-157, superseding SL-121 §2.2).
fn advance_pure_ref(
    root: &Path,
    row: &mut JournalRow,
    planned: &str,
    expected_old: &str,
) -> anyhow::Result<RowOutcome> {
    match git::update_ref_cas(root, &row.target_ref, planned, expected_old)? {
        RefCas::Moved { actual } => {
            row.status = LedgerStatus::Failed;
            Ok(RowOutcome::Refused {
                token: format!(
                    "{} (target at {})",
                    row.target_ref,
                    actual.as_deref().unwrap_or("?")
                ),
            })
        }
        RefCas::Updated => {
            // Not-checked-out advances are pure ref CAS only. Do NOT re-probe and
            // resync a worktree after CAS: under Doctrine's dispatch posture the
            // delivery ref is never checked out, and the post-CAS resync was the
            // RacedDesync / IMP-122 hazard (SL-157).
            row.status = LedgerStatus::Verified;
            planned.clone_into(&mut row.applied_new_oid);
            Ok(RowOutcome::Done {
                disposition: Disposition::AdvancedPureRef,
            })
        }
    }
}

/// The checked-out leg: a fast-forward advance (`expected_old` is an ancestor of
/// `planned`) syncs ref+index+worktree together via `merge --ff-only` under the
/// §2.5 race guard; a non-ff advance on a live ref REFUSES `integrate-nonff-checkout`
/// rather than `reset --hard` a checked-out ref (data loss, B2).
fn advance_checked_out(
    root: &Path,
    row: &mut JournalRow,
    wt: &Path,
    planned: &str,
    expected_old: &str,
) -> anyhow::Result<RowOutcome> {
    if git::is_ancestor(root, expected_old, planned)? {
        match git::ff_advance_in_worktree(wt, &row.target_ref, planned)? {
            git::FfAdvance::Advanced => {
                row.status = LedgerStatus::Verified;
                planned.clone_into(&mut row.applied_new_oid);
                Ok(RowOutcome::Done {
                    disposition: Disposition::AdvancedResynced,
                })
            }
            git::FfAdvance::Raced { token } => {
                row.status = LedgerStatus::Failed;
                Ok(RowOutcome::Refused {
                    token: format!("{} ({token})", row.target_ref),
                })
            }
        }
    } else {
        row.status = LedgerStatus::Failed;
        Ok(RowOutcome::Refused {
            token: format!("integrate-nonff-checkout ({})", row.target_ref),
        })
    }
}

/// Render the integrate outcome (design §4 / IMP-078): the existing machine-readable
/// stdout ref-list (every applied row, byte-for-byte as before) PLUS a per-row
/// stderr disposition line. A refusal bails (moved/raced targets reported, never
/// clobbered). Reads `(row, outcome)` pairs in row order.
fn report_integrate(journal: &Journal, outcomes: &[RowOutcome]) -> anyhow::Result<()> {
    let mut applied_refs: Vec<String> = Vec::new();
    let mut detail: Vec<String> = Vec::new();
    let mut refusals: Vec<String> = Vec::new();

    for (row, outcome) in journal.rows.iter().zip(outcomes) {
        match outcome {
            RowOutcome::Done { disposition } => match disposition {
                Disposition::NoOp => {
                    detail.push(format!("integrate: {} (no-op)", row.target_ref));
                }
                disp => {
                    applied_refs.push(row.target_ref.clone());
                    detail.push(format!(
                        "integrate: {} {}..{} ({})",
                        row.target_ref,
                        short_oid(&row.expected_old_oid),
                        short_oid(&row.applied_new_oid),
                        disp.label(),
                    ));
                }
            },
            RowOutcome::Refused { token } => refusals.push(token.clone()),
        }
    }

    // stdout: the changed-ref list contract (scripts consume it) — unchanged shape.
    for refname in &applied_refs {
        writeln!(io::stdout(), "{refname}")?;
    }
    // stderr: additive per-row human detail.
    for line in &detail {
        writeln!(io::stderr(), "{line}")?;
    }

    if refusals.is_empty() {
        writeln!(
            io::stderr(),
            "integrate: {} ref(s) replayed",
            journal.rows.len()
        )?;
        Ok(())
    } else {
        bail!(
            "integrate: {} moved target(s), not clobbered: {}",
            refusals.len(),
            refusals.join(", ")
        )
    }
}

/// The highest-numbered `refs/heads/phase/<slice>-NN` target in the journal — the
/// cumulative code tip (phase branches are chained off the trunk base, so the max
/// NN holds all prior phases' code). Only **verified** rows count: a failed phase
/// projection must not be mistaken for the chain tip (RV-030 F-8), else integrate
/// would parent the trunk advance on an unresolved ref. `None` when no verified
/// phase row was projected.
fn phase_chain_tip(journal: &Journal, slice3: &str) -> Option<String> {
    let prefix = format!("refs/heads/phase/{slice3}-");
    journal
        .rows
        .iter()
        .filter(|r| r.status == LedgerStatus::Verified)
        .filter_map(|r| {
            r.target_ref
                .strip_prefix(&prefix)
                .and_then(|nn| nn.parse::<u32>().ok())
                .map(|n| (n, r.target_ref.clone()))
        })
        .max_by_key(|(n, _)| *n)
        .map(|(_, refname)| refname)
}

/// Plan the trunk projection row (EX-3): the cumulative code tip advances
/// `trunk_ref` **fast-forward-only**. `expected_old` is the trunk tip (zero if the
/// ref is absent); a planned commit that does not descend from it ⇒ the trunk
/// moved ⇒ refuse (re-anchor is reported, never auto-resolved).
fn plan_trunk_row(
    root: &Path,
    slice3: &str,
    journal: &Journal,
    trunk_ref: &str,
) -> anyhow::Result<JournalRow> {
    let phase_ref = phase_chain_tip(journal, slice3).with_context(|| {
        format!("integrate --trunk: no phase/{slice3}-NN code units to integrate")
    })?;
    let planned = resolve_commit(root, &phase_ref)?
        .with_context(|| format!("integrate --trunk: {phase_ref} does not resolve"))?;
    let expected_old = resolve_commit(root, trunk_ref)?;
    if let Some(tip) = &expected_old {
        anyhow::ensure!(
            git::is_ancestor(root, tip, &planned)?,
            "integrate --trunk: {planned} does not fast-forward {trunk_ref} (at {tip}) — \
             trunk moved; re-anchor required, not auto-resolved"
        );
    }
    Ok(projection_row(trunk_ref, planned, expected_old))
}

/// Plan the edge aggregate row (EX-4): the `review/<slice>` impl bundle advances
/// the standing `edge_ref`. Not ff-gated (a standing aggregate of local work); the
/// CAS still refuses a concurrently-moved edge — isolated to this sync point.
fn plan_edge_row(root: &Path, slice3: &str, edge_ref: &str) -> anyhow::Result<JournalRow> {
    let review_ref = format!("refs/heads/review/{slice3}");
    let planned = resolve_commit(root, &review_ref)?
        .with_context(|| format!("integrate --edge: {review_ref} does not resolve"))?;
    let expected_old = resolve_commit(root, edge_ref)?;
    Ok(projection_row(edge_ref, planned, expected_old))
}

/// SL-068 PHASE-06 — plan the trunk row when a candidate workflow is active: the
/// admitted **`close_target`** OID advances `trunk_ref` fast-forward-only, sourced
/// from the ledger (never a close-time merge, I6). Targeting is by `admitted_oid`
/// only — moving the candidate ref after admission cannot change the target (I4).
/// REFUSES (no fallback to the phase-chain tip) when no `close_target` admission
/// exists; on a non-ff trunk it refuses and instructs the user to create a
/// superseding close-target candidate on the new base (EX-2, R4 — no auto-reanchor).
fn plan_candidate_trunk_row(
    root: &Path,
    candidates: &Candidates,
    trunk_ref: &str,
) -> anyhow::Result<JournalRow> {
    let admission = candidates.current_admission.close_target.as_ref().context(
        "integrate --trunk: a candidate workflow is active but no close_target admission \
             exists — run `dispatch candidate admit --role close_target` first; integrate will \
             not fall back to a raw phase ref",
    )?;
    let planned = admission.admitted_oid.clone();
    let expected_old = resolve_commit(root, trunk_ref)?;
    if let Some(tip) = &expected_old {
        anyhow::ensure!(
            git::is_ancestor(root, tip, &planned)?,
            "integrate --trunk: admitted close_target {planned} does not fast-forward {trunk_ref} \
             (at {tip}) — trunk moved; create a superseding close-target candidate on the new \
             base and re-admit (not auto-resolved)"
        );
    }
    Ok(projection_row(trunk_ref, planned, expected_old))
}

/// SL-068 PHASE-06 — plan the edge row when a candidate workflow is active: the
/// admitted **`review_surface`** OID advances `edge_ref`, sourced from the ledger.
/// Same posture as the legacy edge (not ff-gated; the CAS still guards). REFUSES
/// (no silent raw `review/<slice>` fallback) when no `review_surface` admission
/// exists. Targeting is by `admitted_oid` only (I4).
fn plan_candidate_edge_row(
    root: &Path,
    candidates: &Candidates,
    edge_ref: &str,
) -> anyhow::Result<JournalRow> {
    let admission = candidates
        .current_admission
        .review_surface
        .as_ref()
        .context(
            "integrate --edge: a candidate workflow is active but no review_surface admission \
             exists — run `dispatch candidate admit --role review_surface` first; integrate will \
             not fall back to the raw review ref",
        )?;
    let planned = admission.admitted_oid.clone();
    let expected_old = resolve_commit(root, edge_ref)?;
    Ok(projection_row(edge_ref, planned, expected_old))
}

/// A pending CAS journal row advancing `target_ref` to `planned` from its current
/// tip (`expected_old`, zero-oid for a ref creation). `source_oid == planned_new_oid`
/// is **intentional** for these direct-projection (trunk/edge) rows — the source
/// IS the planned ref, so replay recomputes identity and converges to a no-op
/// (RV-030 F-10); unlike prepare-review rows where source (dispatch tip) and the
/// synthesised commit differ.
fn projection_row(target_ref: &str, planned: String, expected_old: Option<String>) -> JournalRow {
    JournalRow {
        source_oid: planned.clone(),
        target_ref: target_ref.to_owned(),
        expected_old_oid: expected_old.unwrap_or_else(|| ZERO_OID.to_owned()),
        planned_new_oid: planned,
        applied_new_oid: String::new(),
        status: LedgerStatus::Pending,
    }
}

/// Read a run-ledger manifest from the `dispatch/<slice>` tip tree (object db,
/// not the working filesystem). Absent ⇒ the type's empty default.
fn read_ledger<T: serde::de::DeserializeOwned + Default>(
    root: &Path,
    coord_ref: &str,
    slice3: &str,
    file: &str,
) -> anyhow::Result<T> {
    let path = format!(".doctrine/dispatch/{slice3}/{file}");
    match git::read_path_at(root, coord_ref, &path)? {
        Some(text) => Ok(toml::from_str(&text)?),
        None => Ok(T::default()),
    }
}

/// B — plan `review/<slice>`: filter the tip tree (drop the run-ledger dir and
/// every journal-verified orthogonal path) and commit it against the trunk base.
fn plan_review(
    root: &Path,
    slice3: &str,
    tip: &str,
    tip_tree: &str,
    trunk_base: &str,
    orthogonal: &Orthogonal,
    planned: &mut Vec<Planned>,
) -> anyhow::Result<()> {
    let mut exclude: Vec<String> = vec![format!(".doctrine/dispatch/{slice3}")];
    for mark in &orthogonal.rows {
        if mark.status == LedgerStatus::Verified {
            exclude.push(mark.path.clone());
        }
    }
    let exclude_refs: Vec<&str> = exclude.iter().map(String::as_str).collect();
    let review_tree = git::filter_tree(root, tip_tree, &exclude_refs)?;
    let review_commit = git::commit_tree(
        root,
        &review_tree,
        trunk_base,
        &format!("review({slice3}): impl bundle"),
    )?;
    planned.push(Planned {
        target_ref: format!("refs/heads/review/{slice3}"),
        source_oid: tip.to_owned(),
        commit_oid: review_commit,
    });
    Ok(())
}

/// C — plan `phase/<slice>-NN` from `boundaries.toml`: each emitted phase is the
/// code-only (`.doctrine/` stripped) cut of its cumulative `code_end_oid` tree,
/// chained off the previous phase (trunk base for the first). Empty-code phases
/// (`code_start_oid == code_end_oid`) emit no ref.
fn plan_phases(
    root: &Path,
    slice3: &str,
    trunk_base: &str,
    boundaries: &Boundaries,
    planned: &mut Vec<Planned>,
) -> anyhow::Result<()> {
    let mut parent = trunk_base.to_owned();
    for boundary in &boundaries.rows {
        if boundary.code_start_oid == boundary.code_end_oid {
            continue; // empty-code phase — no branch cut (design §4.3)
        }
        let nn = boundary
            .phase
            .strip_prefix("PHASE-")
            .unwrap_or(&boundary.phase);
        let code_tree = tree_of(root, &boundary.code_end_oid)?;
        let phase_tree =
            git::filter_tree(root, &code_tree, &[crate::corpus_guard::DOCTRINE_PATHSPEC])?;
        let phase_commit =
            git::commit_tree(root, &phase_tree, &parent, &format!("phase({slice3}-{nn})"))?;
        planned.push(Planned {
            target_ref: format!("refs/heads/phase/{slice3}-{nn}"),
            source_oid: boundary.code_end_oid.clone(),
            commit_oid: phase_commit.clone(),
        });
        parent = phase_commit;
    }
    Ok(())
}

/// Build the pending-intent journal (one row per planned ref, all CAS creations).
fn pending_journal(planned: &[Planned]) -> Journal {
    Journal {
        rows: planned
            .iter()
            .map(|p| JournalRow {
                source_oid: p.source_oid.clone(),
                target_ref: p.target_ref.clone(),
                expected_old_oid: ZERO_OID.to_owned(),
                planned_new_oid: p.commit_oid.clone(),
                applied_new_oid: String::new(),
                status: LedgerStatus::Pending,
            })
            .collect(),
        allowed_clobbers: Vec::new(),
    }
}

/// Commit `journal` onto `dispatch/<slice>` by splicing `journal.toml` into the
/// tip tree and advancing the branch under CAS (no checkout). `base_tree` is the
/// impl tip tree; `parent` is the branch's current tip — by construction both the
/// new commit's parent AND the CAS expected-old (always identical). `msg` is the
/// stage-distinct commit message (`journal: prepare-review` / `journal: integrate`,
/// RV-030 F-4). Returns the new branch commit oid.
fn commit_journal(
    root: &Path,
    base_tree: &str,
    parent: &str,
    journal_path: &str,
    coord_ref: &str,
    journal: &Journal,
    msg: &str,
) -> anyhow::Result<String> {
    let body = journal.to_toml()?;
    let tree = git::tree_with_file(root, base_tree, journal_path, &body)?;
    let commit = git::commit_tree(root, &tree, parent, msg)?;
    match git::update_ref_cas(root, coord_ref, &commit, parent)? {
        RefCas::Updated => Ok(commit),
        RefCas::Moved { actual } => bail!(
            "journal-commit: dispatch branch moved under us (expected {parent}, found {})",
            actual.as_deref().unwrap_or("?")
        ),
    }
}

/// Splice the **uncommitted** working boundaries ledger from the live coordination
/// worktree onto `dispatch/<slice>` (design §5.2 step 1, ISS-039) — the boundaries
/// twin of [`commit_journal`], with two hardenings over a naive byte splice:
///
/// 1. **Validate before commit (F3).** The working file is parsed to [`Boundaries`];
///    a malformed ledger is a clean `Err` and the tip is left untouched — never
///    commit garbage, unlike a verbatim-byte splice.
/// 2. **Content-idempotent via TREE-oid compare (F1).** The parsed ledger is
///    re-serialized to canonical TOML and spliced into the tip tree; if the
///    candidate tree equals the current tip tree the ref is **not** advanced
///    (returns `parent`). git dedups identical content to the same blob — hence
///    the same tree — so a TREE compare is formatting-immune where a raw-blob
///    compare would falsely diff.
///
/// `parent` is the branch's current tip (both the new commit's parent and the CAS
/// expected-old). Absent working file ⇒ no-op (`parent`), so a re-run after the
/// coord worktree's removal is safe. A moved ref bails like `commit_journal` (R6).
fn commit_boundaries(
    root: &Path,
    parent: &str,
    coord_ref: &str,
    coord: &git::WorktreeEntry,
    slice: u32,
) -> anyhow::Result<String> {
    let Some(raw) = crate::ledger::read_boundaries_file(&coord.path, slice)? else {
        return Ok(parent.to_owned()); // no working ledger to splice
    };
    let boundaries = Boundaries::parse(&raw).with_context(|| {
        format!("commit_boundaries: working boundaries.toml for dispatch/{slice:03} is malformed")
    })?;
    let canonical = boundaries.to_toml()?;
    let path = format!(".doctrine/dispatch/{slice:03}/boundaries.toml");
    let tip_tree = tree_of(root, parent)?;
    let candidate = git::tree_with_file(root, &tip_tree, &path, &canonical)?;
    if candidate == tip_tree {
        return Ok(parent.to_owned()); // identical content — no ref advance (F1)
    }
    let commit = git::commit_tree(root, &candidate, parent, "ledger: boundaries")?;
    match git::update_ref_cas(root, coord_ref, &commit, parent)? {
        RefCas::Updated => Ok(commit),
        RefCas::Moved { actual } => bail!(
            "commit_boundaries: dispatch branch moved under us (expected {parent}, found {})",
            actual.as_deref().unwrap_or("?")
        ),
    }
}

/// The per-row disposition of a successful apply. Transient REPORT data — NOT a
/// [`JournalRow`] field: the row schema carries only oids + status, and every
/// success persists as [`LedgerStatus::Verified`], so the disposition cannot be
/// recovered from the row after the fact. The caller renders output from these
/// (SL-121 §4 / IMP-078).
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum Disposition {
    /// A zero-oid creation succeeded (prepare-review).
    Created,
    /// A replay found the target already at the planned oid (integrate).
    NoOp,
    /// A checked-out target fast-forwarded in its live worktree via
    /// `merge --ff-only` — ref + index + worktree all at the planned oid
    /// (integrate, §2.2 checked-out leg).
    AdvancedResynced,
    /// A not-checked-out target advanced by pure `update_ref_cas`; no worktree to
    /// sync (integrate, §2.2 None leg).
    AdvancedPureRef,
}

impl Disposition {
    /// The exact report token (SL-121 §4). Tests assert these literally — do NOT
    /// paraphrase.
    fn label(self) -> &'static str {
        match self {
            Self::Created => "created",
            Self::NoOp => "no-op",
            Self::AdvancedResynced => "advanced+resynced",
            Self::AdvancedPureRef => "advanced+pure-ref",
        }
    }
}

/// Per-row outcome the apply closure hands back. The bracket collects these and
/// returns them; the CALLER renders output and bails from the vec.
#[derive(Debug, Clone, PartialEq, Eq)]
enum RowOutcome {
    /// The row applied successfully with the given disposition.
    Done { disposition: Disposition },
    /// A semantic refusal (moved/stale target) — the row was journaled
    /// [`LedgerStatus::Failed`] inside the closure; `token` is the caller's
    /// report fragment.
    Refused { token: String },
}

/// Journal the planned intent onto `coord_ref` BEFORE any external ref mutation,
/// apply each row via `apply`, then re-journal the applied status so a crashed
/// run is recoverable. The bracket owns ONLY the two [`commit_journal`] calls and
/// the per-row loop; construction stays caller-side before, report-or-bail
/// caller-side after.
///
/// The recovery [`commit_journal`] runs STRICTLY AFTER the loop, so a `?`-`Err`
/// out of `apply` aborts BEFORE applied status is recorded. `apply` must
/// therefore return `Err` ONLY for fatal operational failure; every semantic
/// per-row refusal sets `row.status = Failed` inside the closure and returns
/// `Ok(RowOutcome::Refused { .. })` so the post-loop commit durably records it.
#[expect(
    clippy::too_many_arguments,
    reason = "thin journal-cycle bracket threads the commit_journal arg set plus the apply closure"
)]
fn with_journaled_projection(
    root: &Path,
    tip: &str,
    tip_tree: &str,
    journal_path: &str,
    coord_ref: &str,
    journal: &mut Journal,
    message: &str,
    mut apply: impl FnMut(&Path, &mut JournalRow) -> anyhow::Result<RowOutcome>,
) -> anyhow::Result<Vec<RowOutcome>> {
    let journal_commit = commit_journal(
        root,
        tip_tree,
        tip,
        journal_path,
        coord_ref,
        journal,
        message,
    )?;
    let mut outcomes = Vec::with_capacity(journal.rows.len());
    for row in &mut journal.rows {
        outcomes.push(apply(root, row)?);
    }
    commit_journal(
        root,
        tip_tree,
        &journal_commit,
        journal_path,
        coord_ref,
        journal,
        message,
    )?;
    Ok(outcomes)
}

/// Render an ordered phase-status table. Pure formatting — caller owns data.
/// Designed for reuse by `plan-next` and `status` (PHASE-03).
pub(crate) fn render_phase_table(rows: &[(String, String, String)]) -> String {
    use comfy_table::Table;
    let mut table = Table::new();
    table
        .load_preset(comfy_table::presets::NOTHING)
        .set_header(vec!["  ID", "  Status", "  Name"])
        .force_no_tty();
    for (id, status, name) in rows {
        table.add_row(vec![
            format!("  {id}"),
            format!("  {status}"),
            format!("  {name}"),
        ]);
    }
    // Trim trailing whitespace (comfy-table last-column cell-fill edge case)
    let out = table.to_string();
    out.lines()
        .map(|l| l.trim_end().to_string())
        .collect::<Vec<_>>()
        .join("\n")
}

/// `doctrine dispatch plan-next` — read the plan and runtime phase sheets;
/// print an ordered phase rollup and identify the next actionable phase(s).
/// Read-only — callable from anywhere.
pub(crate) fn run_plan_next(path: Option<PathBuf>, slice: u32, json: bool) -> anyhow::Result<()> {
    let root = crate::root::find(path, &crate::root::default_markers())?;

    // 1. Read plan.toml
    let plan = crate::slice::read_plan(&root.join(".doctrine/slice"), slice)?;

    // 2. Read phase statuses from runtime state
    let state_dir = crate::state::phases_dir(&root, slice);

    // Build ordered phase+status list
    let mut rows: Vec<(String, String, String)> = Vec::new();
    for ph in &plan.phases {
        let stem = ph.id.to_lowercase();
        let status = match crate::state::read_phase_status(&state_dir, &stem) {
            Ok(Some(s)) => s,
            Ok(None) => "pending".to_string(), // absent tracking file → pending
            Err(_) => "unknown".to_string(),
        };
        rows.push((ph.id.clone(), status, ph.name.clone()));
    }

    // 3. Compute `next`
    // Scan in plan order, skip completed/blocked.
    // First actionable in_progress → only that phase.
    // First actionable pending → that phase + consecutive pending.
    let mut next: Vec<String> = Vec::new();
    let mut found_actionable = false;
    let mut saw_blocked = false;

    for (id, status, _) in &rows {
        match status.as_str() {
            "completed" => {}
            "blocked" => {
                saw_blocked = true;
                if found_actionable {
                    break; // stop at blocked after we started collecting
                }
            }
            "in_progress" => {
                if !found_actionable {
                    next.push(id.clone());
                    break; // in_progress gates subsequent pending
                }
            }
            _ => {
                // pending or unknown
                if !found_actionable {
                    next.push(id.clone());
                    found_actionable = true;
                    // continue for consecutive pending
                } else if status.as_str() == "pending" {
                    next.push(id.clone());
                } else {
                    break; // non-pending stops the run
                }
            }
        }
    }

    // 4. Render output
    if json {
        #[derive(serde::Serialize)]
        struct PhaseRow {
            id: String,
            name: String,
            status: String,
        }
        #[derive(serde::Serialize)]
        struct Output {
            phases: Vec<PhaseRow>,
            next: Vec<String>,
            batching_requires_phase_plan: bool,
        }
        let output = Output {
            phases: rows
                .iter()
                .map(|(id, status, name)| PhaseRow {
                    id: id.clone(),
                    name: name.clone(),
                    status: status.clone(),
                })
                .collect(),
            next,
            batching_requires_phase_plan: true,
        };
        writeln!(io::stdout(), "{}", serde_json::to_string_pretty(&output)?)?;
    } else {
        // Human output
        let table = render_phase_table(&rows);
        writeln!(io::stdout(), "{table}")?;
        if next.is_empty() {
            if saw_blocked {
                writeln!(
                    io::stdout(),
                    "\nnext: (none — all remaining phases are blocked)"
                )?;
            }
        } else {
            let ids = next.join(", ");
            writeln!(io::stdout(), "\nnext: {ids}")?;
            writeln!(
                io::stdout(),
                "  ⚠ run /phase-plan before parallel spawn; do not assume file-disjointness"
            )?;
        }
    }

    Ok(())
}

/// Drift of a tip against current trunk (SL-127 §3.1).
struct Drift {
    /// The resolved trunk tip the drift was measured against (carried so callers
    /// that already resolved drift need not re-walk the trunk ladder).
    trunk_tip: String,
    fork_point: String,
    ahead: u32,
}

/// Drift of `tip` against current trunk: `fork_point` = `merge_base(tip, trunk)`,
/// `ahead` = `count(fork_point..trunk)`. Resolves the trunk tip itself via the
/// peeled ladder (a None trunk is a hard "trunk ref not found" error, preserving
/// `run_status`' observable behaviour). `Ok(None)` ⇒ tip and trunk share no
/// common ancestor (unrelated histories), which callers surface with their own
/// context. Parameterized on `tip` (F4) so the PHASE-04 classifier can measure the
/// bundle/source, not only the dispatch branch.
fn trunk_drift(root: &Path, tip: &str) -> anyhow::Result<Option<Drift>> {
    let trunk_tip = git::trunk_commit(root)?.with_context(|| "trunk ref not found")?;
    let Some(fork_point) = git::merge_base(root, tip, &trunk_tip)? else {
        return Ok(None);
    };
    let ahead_cnt = git::git_text(
        root,
        &["rev-list", "--count", &format!("{fork_point}..{trunk_tip}")],
    )?;
    let ahead: u32 = ahead_cnt.trim().parse().unwrap_or(0);
    Ok(Some(Drift {
        trunk_tip,
        fork_point,
        ahead,
    }))
}

/// `doctrine dispatch status` — read-only full dispatch rollup: coordination
/// state, phase table, trunk drift, sync state, candidate summary, next-step
/// guidance. Read-only — callable from anywhere.
pub(crate) fn run_status(path: Option<PathBuf>, slice: u32, json: bool) -> anyhow::Result<()> {
    let root = crate::root::find(path, &crate::root::default_markers())?;
    let slice3 = format!("{slice:03}");
    let dispatch_ref = format!("refs/heads/dispatch/{slice3}");

    // --- Coordination state ---------------------------------------------------
    let dispatch_tip = resolve_commit(&root, &dispatch_ref)?.with_context(|| {
        format!("dispatch branch not found; run 'dispatch setup --slice {slice}' first")
    })?;
    let dispatch_short = git::git_text(&root, &["rev-parse", "--short=7", &dispatch_tip])?;

    // Find live worktree via git worktree list --porcelain
    let coord_state = find_coordination_worktree(&root, &slice3);

    // --- Trunk drift -----------------------------------------------------------
    let Drift {
        trunk_tip,
        fork_point,
        ahead,
    } = trunk_drift(&root, &dispatch_tip)?
        .with_context(|| format!("dispatch/{slice3} and trunk share no common ancestor"))?;
    let trunk_state = if ahead == 0 { "stable" } else { "moved" };

    // --- Phase table -----------------------------------------------------------
    let plan = crate::slice::read_plan(&root.join(".doctrine/slice"), slice)?;
    let state_dir = crate::state::phases_dir(&root, slice);
    let mut phase_rows: Vec<(String, String, String)> = Vec::new();
    for ph in &plan.phases {
        let stem = ph.id.to_lowercase();
        let status = match crate::state::read_phase_status(&state_dir, &stem) {
            Ok(Some(s)) => s,
            Ok(None) => "pending".to_string(),
            Err(_) => "unknown".to_string(),
        };
        phase_rows.push((ph.id.clone(), status, ph.name.clone()));
    }

    // --- Sync state ------------------------------------------------------------
    let review_ref = format!("refs/heads/review/{slice3}");
    let review_exists = resolve_commit(&root, &review_ref)?.is_some();
    let phase_ref_count = count_phase_refs(&root, &slice3);

    // --- Candidate summary -----------------------------------------------------
    let candidates = read_candidates(&root, slice)?;
    let candidate_total = candidates.rows.len();
    let candidate_admitted = [
        candidates.current_admission.close_target.is_some(),
        candidates.current_admission.review_surface.is_some(),
    ]
    .into_iter()
    .filter(|&x| x)
    .count();

    // --- Next-step guidance ----------------------------------------------------
    let all_completed = phase_rows
        .iter()
        .all(|(_, status, _)| status == "completed");
    let coord_live = !matches!(coord_state.as_str(), "(removed)");
    let admitted_ct = candidates.current_admission.close_target.as_ref();

    // SL-127 EX-2 (§3.4): when all phases are complete, the prepared bundle's tip
    // is the `review/<NNN>` ref if it exists, else the pre-prepare dispatch tip.
    // If trunk has advanced past that tip (a computed fact — codex C6, not a flag),
    // the base is stale and refresh-base must run before prepare-review/audit.
    let review_tip = if review_exists {
        resolve_commit(&root, &review_ref)?.unwrap_or(dispatch_tip)
    } else {
        dispatch_tip
    };
    let bundle_stale = all_completed && trunk_drift(&root, &review_tip)?.map_or(0, |d| d.ahead) > 0;
    // The only git-touching leg (condition 5/6) is resolved here in the shell so
    // the decision itself stays pure + table-testable.
    let admitted_is_ancestor = match admitted_ct {
        Some(ct) if !coord_live => is_ancestor_of_trunk(&root, &ct.admitted_oid, &trunk_tip)?,
        _ => false,
    };

    let next_guidance = select_guidance(GuidanceInputs {
        all_completed,
        bundle_stale,
        review_exists,
        coord_live,
        admitted: admitted_ct.is_some(),
        admitted_is_ancestor,
        next_phases: || compute_next_phases(&phase_rows),
    });

    // --- Output ----------------------------------------------------------------
    if json {
        let output = StatusOutput {
            dispatch: DispatchState {
                r#ref: dispatch_ref,
                tip: dispatch_short,
            },
            coord: CoordState {
                state: if coord_live {
                    "live".to_string()
                } else {
                    "removed".to_string()
                },
                path: if coord_live { Some(coord_state) } else { None },
            },
            trunk: TrunkState {
                state: trunk_state.to_string(),
                fork_point,
                ahead,
            },
            phases: phase_rows
                .iter()
                .map(|(id, status, name)| PhaseState {
                    id: id.clone(),
                    name: name.clone(),
                    status: status.clone(),
                })
                .collect(),
            sync: SyncState {
                state: if review_exists {
                    "prepared".to_string()
                } else {
                    "not_prepared".to_string()
                },
                review_ref: if review_exists {
                    Some(review_ref)
                } else {
                    None
                },
                phase_cuts: phase_ref_count,
            },
            candidates: CandidateSummary {
                total: candidate_total,
                admitted: candidate_admitted,
            },
            next: next_guidance.to_json(),
        };
        writeln!(io::stdout(), "{}", serde_json::to_string_pretty(&output)?)?;
    } else {
        // Human output
        writeln!(io::stdout(), "dispatch: {dispatch_ref}  ({dispatch_short})")?;
        writeln!(io::stdout(), "coord:    {coord_state}")?;
        if ahead > 0 {
            writeln!(
                io::stdout(),
                "trunk:    {trunk_state} ({ahead} commit(s) ahead of fork-point)"
            )?;
        } else {
            writeln!(io::stdout(), "trunk:    {trunk_state}")?;
        }
        writeln!(io::stdout())?;
        writeln!(io::stdout(), "phases:")?;
        write!(io::stdout(), "{}", render_phase_table(&phase_rows))?;
        writeln!(io::stdout())?;
        writeln!(io::stdout())?;
        if review_exists {
            writeln!(
                io::stdout(),
                "sync:     prepared — {review_ref} ({phase_ref_count} phase cut(s))"
            )?;
        } else {
            writeln!(io::stdout(), "sync:     not yet run")?;
        }
        writeln!(
            io::stdout(),
            "candidates: {candidate_total} ({candidate_admitted} admitted)"
        )?;
        match &next_guidance {
            NextGuidance::Phases { phases } => {
                let ids = phases.join(", ");
                writeln!(io::stdout(), "next:     {ids}")?;
            }
            NextGuidance::RefreshBase => {
                writeln!(
                    io::stdout(),
                    "next:     trunk advanced past the prepared base — run 'dispatch refresh-base --slice {slice}' then re-prepare"
                )?;
            }
            NextGuidance::PrepareReview => {
                writeln!(
                    io::stdout(),
                    "next:     all phases completed — run 'dispatch sync --prepare-review'"
                )?;
            }
            NextGuidance::AuditThenIntegrate => {
                writeln!(
                    io::stdout(),
                    "next:     all phases completed — admitted candidate exists; run audit then 'dispatch sync --integrate'"
                )?;
            }
            NextGuidance::AuditOrCandidateStatus => {
                writeln!(
                    io::stdout(),
                    "next:     all phases completed — review ref prepared; run audit or 'dispatch candidate status'"
                )?;
            }
            NextGuidance::Complete => {
                writeln!(
                    io::stdout(),
                    "next:     complete — coordination worktree removed; slice is integrated"
                )?;
            }
            NextGuidance::AwaitingIntegration => {
                writeln!(
                    io::stdout(),
                    "next:     awaiting integration — run 'dispatch sync --integrate' after audit"
                )?;
            }
        }
    }

    Ok(())
}

/// The coordination worktree checked out on `dispatch/<slice3>`, or the
/// `"(removed)"` sentinel. Delegates to the shared [`git::worktree_for_ref`] probe
/// (SL-121 PHASE-01). The pre-extraction parser folded BOTH a git-command failure
/// AND an absent ref into `"(removed)"`; the probe splits those (`Err` vs
/// `Ok(None)`), so this wrapper folds both legs back to the sentinel to preserve
/// behaviour (F4).
fn find_coordination_worktree(root: &Path, slice3: &str) -> String {
    let target_branch = format!("refs/heads/dispatch/{slice3}");
    match git::worktree_for_ref(root, &target_branch) {
        Ok(Some(path)) => path.to_string_lossy().into_owned(),
        Ok(None) | Err(_) => "(removed)".to_string(),
    }
}

/// Count `refs/heads/phase/{slice3}-*` refs via `git for-each-ref`.
fn count_phase_refs(root: &Path, slice3: &str) -> usize {
    let pattern = format!("refs/heads/phase/{slice3}-*");
    let Ok(out) = git::git_text(root, &["for-each-ref", "--format=%(refname)", &pattern]) else {
        return 0;
    };
    if out.trim().is_empty() {
        0
    } else {
        out.lines().count()
    }
}

/// Compute next phases using same logic as plan-next.
fn compute_next_phases(rows: &[(String, String, String)]) -> Vec<String> {
    let mut next: Vec<String> = Vec::new();
    let mut found_actionable = false;
    for (id, status, _) in rows {
        match status.as_str() {
            "completed" => {}
            "blocked" => {
                if found_actionable {
                    break;
                }
            }
            "in_progress" => {
                if !found_actionable {
                    next.push(id.clone());
                    break;
                }
            }
            _ => {
                if !found_actionable {
                    next.push(id.clone());
                    found_actionable = true;
                } else if status.as_str() == "pending" {
                    next.push(id.clone());
                } else {
                    break;
                }
            }
        }
    }
    next
}

/// Check if `oid` is an ancestor of `trunk_tip` (or equal).
fn is_ancestor_of_trunk(root: &Path, oid: &str, trunk_tip: &str) -> anyhow::Result<bool> {
    if oid == trunk_tip {
        return Ok(true);
    }
    let mb = git::merge_base(root, oid, trunk_tip)?;
    Ok(mb.as_deref() == Some(oid))
}

// --- JSON output types -------------------------------------------------------

#[derive(serde::Serialize)]
struct StatusOutput {
    dispatch: DispatchState,
    coord: CoordState,
    trunk: TrunkState,
    phases: Vec<PhaseState>,
    sync: SyncState,
    candidates: CandidateSummary,
    next: NextJson,
}

#[derive(serde::Serialize)]
struct DispatchState {
    #[serde(rename = "ref")]
    r#ref: String,
    tip: String,
}

#[derive(serde::Serialize)]
struct CoordState {
    state: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    path: Option<String>,
}

#[derive(serde::Serialize)]
struct TrunkState {
    state: String,
    fork_point: String,
    ahead: u32,
}

#[derive(serde::Serialize)]
struct PhaseState {
    id: String,
    name: String,
    status: String,
}

#[derive(serde::Serialize)]
struct SyncState {
    state: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    review_ref: Option<String>,
    phase_cuts: usize,
}

#[derive(serde::Serialize)]
struct CandidateSummary {
    total: usize,
    admitted: usize,
}

#[derive(serde::Serialize)]
struct NextJson {
    kind: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    phases: Option<Vec<String>>,
}

/// Precomputed facts the next-step decision reads (all git/disk resolved in the
/// `run_status` shell). `next_phases` is a thunk so the (only) allocating leg runs
/// solely when phases remain.
struct GuidanceInputs<F: FnOnce() -> Vec<String>> {
    all_completed: bool,
    bundle_stale: bool,
    review_exists: bool,
    coord_live: bool,
    admitted: bool,
    admitted_is_ancestor: bool,
    next_phases: F,
}

/// The deterministic next-step state machine (design §3.4). Pure: every input is
/// precomputed. The `bundle_stale` (SL-127 EX-2) leg fires BEFORE `PrepareReview`
/// so a trunk that advanced past the prepared bundle routes to refresh-base, never
/// to prepare-review/audit on a stale base.
fn select_guidance<F: FnOnce() -> Vec<String>>(inputs: GuidanceInputs<F>) -> NextGuidance {
    let GuidanceInputs {
        all_completed,
        bundle_stale,
        review_exists,
        coord_live,
        admitted,
        admitted_is_ancestor,
        next_phases,
    } = inputs;
    if !all_completed {
        NextGuidance::Phases {
            phases: next_phases(),
        }
    } else if bundle_stale {
        NextGuidance::RefreshBase
    } else if !review_exists {
        NextGuidance::PrepareReview
    } else if coord_live && admitted {
        NextGuidance::AuditThenIntegrate
    } else if coord_live {
        NextGuidance::AuditOrCandidateStatus
    } else if admitted {
        if admitted_is_ancestor {
            NextGuidance::Complete
        } else {
            NextGuidance::AwaitingIntegration
        }
    } else {
        // Fallback (coord removed, nothing admitted — shouldn't normally reach).
        NextGuidance::AuditOrCandidateStatus
    }
}

/// The next-step guidance resolved from the deterministic state machine.
enum NextGuidance {
    Phases {
        phases: Vec<String>,
    },
    /// SL-127 EX-2: trunk advanced past the prepared bundle — refresh the base
    /// before prepare-review/audit.
    RefreshBase,
    PrepareReview,
    AuditThenIntegrate,
    AuditOrCandidateStatus,
    Complete,
    AwaitingIntegration,
}

impl NextGuidance {
    fn to_json(&self) -> NextJson {
        match self {
            NextGuidance::Phases { phases } => NextJson {
                kind: "phases".to_string(),
                phases: Some(phases.clone()),
            },
            NextGuidance::RefreshBase => NextJson {
                kind: "refresh_base".to_string(),
                phases: None,
            },
            NextGuidance::PrepareReview => NextJson {
                kind: "blocked".to_string(),
                phases: None,
            },
            NextGuidance::AuditThenIntegrate | NextGuidance::AuditOrCandidateStatus => NextJson {
                kind: "audit".to_string(),
                phases: None,
            },
            NextGuidance::Complete => NextJson {
                kind: "completed".to_string(),
                phases: None,
            },
            NextGuidance::AwaitingIntegration => NextJson {
                kind: "awaiting_integration".to_string(),
                phases: None,
            },
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::test_support::SCHEMA_PLAN_OVERVIEW;
    use std::path::Path;

    fn git(dir: &Path, args: &[&str]) -> String {
        let out = std::process::Command::new("git")
            .arg("-C")
            .arg(dir)
            .args(args)
            .output()
            .expect("spawn git");
        assert!(
            out.status.success(),
            "git {args:?}: {}",
            String::from_utf8_lossy(&out.stderr)
        );
        String::from_utf8_lossy(&out.stdout).trim().to_string()
    }

    fn init_repo(dir: &Path) {
        std::fs::create_dir_all(dir).unwrap();
        git(dir, &["init", "-q", "-b", "main"]);
        git(dir, &["config", "user.email", "t@example.com"]);
        git(dir, &["config", "user.name", "Test"]);
        std::fs::create_dir_all(dir.join(".doctrine")).unwrap();
        std::fs::write(dir.join("a.txt"), "hello").unwrap();
        git(dir, &["add", "."]);
        git(dir, &["commit", "-q", "-m", "base"]);
    }

    fn seed_slice_dir(dir: &Path, slice: u32) {
        let rel = format!(".doctrine/slice/{slice:03}");
        let full = dir.join(&rel);
        std::fs::create_dir_all(&full).unwrap();
        std::fs::write(
            full.join("slice.toml"),
            format!("id = {slice}\ntitle = \"test\"\nkind = \"slice\"\nstatus = \"planned\"\n"),
        )
        .unwrap();
        git(dir, &["add", "-A"]);
        git(dir, &["commit", "-q", "-m", "seed slice dir"]);
    }

    fn seed_plan(dir: &Path, slice: u32, phases: &str) {
        let rel = format!(".doctrine/slice/{slice:03}/plan.toml");
        let full = dir.join(&rel);
        std::fs::create_dir_all(full.parent().unwrap()).unwrap();
        std::fs::write(&full, phases).unwrap();
        git(dir, &["add", "-A"]);
        git(dir, &["commit", "-q", "-m", "seed plan"]);
    }

    #[test]
    fn dispatch_setup_gates_on_no_plan() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        // No plan.toml — the gate should fail before touching git.
        let holder = tempfile::tempdir().unwrap();
        let coord = holder.path().join("coord");
        let result = run_setup(Some(src.path().to_path_buf()), 85, &coord, false);
        assert!(result.is_err());
        let err = format!("{}", result.unwrap_err());
        assert!(
            err.contains("no plan"),
            "error should mention 'no plan'; got: {err}"
        );
    }

    #[test]
    fn dispatch_setup_gates_on_empty_plan() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &format!("schema = \"{SCHEMA_PLAN_OVERVIEW}\"\nversion = 1\nslice = \"SL-085\"\n"),
        );
        // Plan has zero phases.
        let holder = tempfile::tempdir().unwrap();
        let coord = holder.path().join("coord");
        let result = run_setup(Some(src.path().to_path_buf()), 85, &coord, false);
        assert!(result.is_err());
        let err = format!("{}", result.unwrap_err());
        assert!(
            err.contains("no phases"),
            "error should mention 'no phases'; got: {err}"
        );
    }

    #[test]
    fn dispatch_setup_creates_coordination() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &format!(
                "schema = \"{SCHEMA_PLAN_OVERVIEW}\"\nversion = 1\nslice = \"SL-085\"\n\n[[phase]]\nid = \"PHASE-01\"\nname = \"fixture\"\nobjective = \"fixture\"\n"
            ),
        );
        // Non-Claude arm with an outside-root coord dir: outside isolation is
        // legitimate (ADR-008), so the placement guard must NOT fire.
        let holder = tempfile::tempdir().unwrap();
        let coord = holder.path().join("coord");
        let result = run_setup(Some(src.path().to_path_buf()), 85, &coord, false);
        assert!(result.is_ok(), "setup must succeed; err: {result:?}");

        // Verify worktree exists.
        assert!(coord.exists(), "coordination dir exists");
        assert!(coord.join("a.txt").exists(), "checkout exists");

        // Verify env contract keys on stdout (print! from run_setup).
        // Since run_setup uses println!, we test via the returned Ok(()).
        // The actual stdout capture is an integration-test concern; here we
        // verify the function doesn't panic and the worktree is real.
        assert!(coord.join(".doctrine").exists(), "provisioned");
    }

    // --- ISS-031: placement guard — outside-root coord under the Claude arm ---

    #[test]
    fn classify_coord_placement_truth_table() {
        // Only the outside-root × Claude-harness corner fails closed.
        assert!(classify_coord_placement(true, true).is_ok());
        assert!(classify_coord_placement(true, false).is_ok());
        assert!(classify_coord_placement(false, false).is_ok());
        assert_eq!(
            classify_coord_placement(false, true),
            Err("coord-outside-root-under-claude")
        );
    }

    #[test]
    fn dispatch_setup_refuses_outside_root_under_claude() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &format!(
                "schema = \"{SCHEMA_PLAN_OVERVIEW}\"\nversion = 1\nslice = \"SL-085\"\n\n[[phase]]\nid = \"PHASE-01\"\nname = \"fixture\"\nobjective = \"fixture\"\n"
            ),
        );
        // Outside-root coord dir + Claude harness → fail closed before any work.
        let holder = tempfile::tempdir().unwrap();
        let coord = holder.path().join("coord");
        let result = run_setup(Some(src.path().to_path_buf()), 85, &coord, true);
        assert!(
            result.is_err(),
            "must refuse outside-root coord under Claude"
        );
        let err = format!("{}", result.unwrap_err());
        assert!(
            err.contains("coord-outside-root-under-claude"),
            "error names the placement token; got: {err}"
        );
        assert!(
            !coord.exists(),
            "no coordination worktree created on refusal"
        );
    }

    #[test]
    fn dispatch_setup_allows_inside_root_under_claude() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &format!(
                "schema = \"{SCHEMA_PLAN_OVERVIEW}\"\nversion = 1\nslice = \"SL-085\"\n\n[[phase]]\nid = \"PHASE-01\"\nname = \"fixture\"\nobjective = \"fixture\"\n"
            ),
        );
        // Inside-root coord dir is the safe convention; the guard must pass even
        // under the Claude harness.
        let coord = src.path().join(".dispatch/SL-085");
        let result = run_setup(Some(src.path().to_path_buf()), 85, &coord, true);
        assert!(
            result.is_ok(),
            "inside-root coord must pass; err: {result:?}"
        );
        assert!(coord.join(".doctrine").exists(), "provisioned inside root");
    }

    // --- plan-next helpers ---

    /// Write a `phase-NN.toml` tracking file under
    /// `.doctrine/state/slice/{slice:03}/phases/`.
    fn seed_phase_tracking(dir: &Path, slice: u32, phase_num: u32, status: &str) {
        let state_dir = dir
            .join(".doctrine/state/slice")
            .join(format!("{slice:03}"))
            .join("phases");
        std::fs::create_dir_all(&state_dir).unwrap();
        std::fs::write(
            state_dir.join(format!("phase-{phase_num:02}.toml")),
            format!("status = \"{status}\"\n"),
        )
        .unwrap();
    }

    /// Build a multi-phase plan.toml body from phase ids + names. Each entry is
    /// `(id, name)`; the fixture automatically wraps in a `[[phase]]` array.
    fn plan_body(phases: &[(&str, &str)]) -> String {
        let mut body =
            format!("schema = \"{SCHEMA_PLAN_OVERVIEW}\"\nversion = 1\nslice = \"SL-085\"\n");
        for (id, name) in phases {
            body.push_str(&format!(
                "\n[[phase]]\nid = \"{id}\"\nname = \"{name}\"\nobjective = \"fixture\"\n"
            ));
        }
        body
    }

    // --- plan-next tests ---

    #[test]
    fn dispatch_plan_next_orders_phases() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &plan_body(&[
                ("PHASE-01", "setup"),
                ("PHASE-02", "build"),
                ("PHASE-03", "blocked-one"),
                ("PHASE-04", "final"),
            ]),
        );
        seed_phase_tracking(src.path(), 85, 1, "completed");
        seed_phase_tracking(src.path(), 85, 2, "completed");
        seed_phase_tracking(src.path(), 85, 3, "blocked");
        // PHASE-04 has no tracking → pending

        // run_plan_next prints to stdout; we verify it doesn't panic and
        // check that the return is Ok.
        let result = run_plan_next(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "plan-next should succeed; err: {result:?}");
    }

    #[test]
    fn dispatch_plan_next_all_blocked() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &plan_body(&[
                ("PHASE-01", "setup"),
                ("PHASE-02", "blocked-one"),
                ("PHASE-03", "blocked-two"),
            ]),
        );
        seed_phase_tracking(src.path(), 85, 1, "completed");
        seed_phase_tracking(src.path(), 85, 2, "blocked");
        seed_phase_tracking(src.path(), 85, 3, "blocked");

        let result = run_plan_next(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "plan-next should succeed; err: {result:?}");
    }

    #[test]
    fn dispatch_plan_next_stops_at_blocked_mid() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &plan_body(&[
                ("PHASE-01", "setup"),
                ("PHASE-02", "first-pending"),
                ("PHASE-03", "second-pending"),
                ("PHASE-04", "blocked"),
                ("PHASE-05", "after-blocked"),
            ]),
        );
        seed_phase_tracking(src.path(), 85, 1, "completed");
        // PHASE-02, PHASE-03: no tracking → pending
        seed_phase_tracking(src.path(), 85, 4, "blocked");
        // PHASE-05: no tracking → pending

        let result = run_plan_next(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "plan-next should succeed; err: {result:?}");
    }

    #[test]
    fn dispatch_plan_next_resume_in_progress() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &plan_body(&[
                ("PHASE-01", "setup"),
                ("PHASE-02", "in-progress"),
                ("PHASE-03", "next-one"),
                ("PHASE-04", "next-two"),
            ]),
        );
        seed_phase_tracking(src.path(), 85, 1, "completed");
        seed_phase_tracking(src.path(), 85, 2, "in_progress");
        // PHASE-03, PHASE-04: no tracking → pending

        let result = run_plan_next(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "plan-next should succeed; err: {result:?}");
    }

    #[test]
    fn dispatch_plan_next_json() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &plan_body(&[("PHASE-01", "setup"), ("PHASE-02", "active")]),
        );
        seed_phase_tracking(src.path(), 85, 1, "completed");
        // PHASE-02: no tracking → pending

        let result = run_plan_next(Some(src.path().to_path_buf()), 85, true);
        assert!(
            result.is_ok(),
            "plan-next --json should succeed; err: {result:?}"
        );
    }

    #[test]
    fn dispatch_plan_next_no_plan() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        // No plan.toml seeded.

        let result = run_plan_next(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_err(), "plan-next without plan should fail");
        let err = format!("{}", result.unwrap_err());
        assert!(
            err.contains("not found"),
            "error should mention 'not found'; got: {err}"
        );
    }

    // --- status helpers ---

    /// Create a `refs/heads/dispatch/{slice:03}` ref pointing at the current HEAD.
    fn create_dispatch_ref(dir: &Path, slice: u32) {
        let head = git(dir, &["rev-parse", "HEAD"]);
        git(
            dir,
            &[
                "update-ref",
                &format!("refs/heads/dispatch/{slice:03}"),
                &head,
            ],
        );
    }

    /// Create a `refs/heads/review/{slice:03}` ref pointing at the current HEAD.
    fn create_review_ref(dir: &Path, slice: u32) {
        let head = git(dir, &["rev-parse", "HEAD"]);
        git(
            dir,
            &[
                "update-ref",
                &format!("refs/heads/review/{slice:03}"),
                &head,
            ],
        );
    }

    /// Advance trunk by making a commit on main.
    fn advance_trunk(dir: &Path) -> String {
        std::fs::write(dir.join("b.txt"), "world").unwrap();
        git(dir, &["add", "b.txt"]);
        git(dir, &["commit", "-q", "-m", "advance trunk"]);
        git(dir, &["rev-parse", "HEAD"])
    }

    // --- status tests ---

    /// T3-1: Status fresh after setup → coord live, phases pending, sync not yet run.
    #[test]
    fn dispatch_status_fresh_after_setup() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &plan_body(&[("PHASE-01", "setup"), ("PHASE-02", "build")]),
        );
        create_dispatch_ref(src.path(), 85);

        let result = run_status(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "status should succeed; err: {result:?}");
    }

    /// T3-2: Status missing dispatch ref → non-zero exit (error).
    #[test]
    fn dispatch_status_missing_dispatch_ref() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(src.path(), 85, &plan_body(&[("PHASE-01", "setup")]));
        // No dispatch ref created.

        let result = run_status(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_err(), "status without dispatch ref should fail");
        let err = format!("{}", result.unwrap_err());
        assert!(
            err.contains("dispatch branch not found"),
            "error should mention 'dispatch branch not found'; got: {err}"
        );
    }

    /// T3-3: Status missing trunk ref → non-zero exit (error).
    #[test]
    fn dispatch_status_missing_trunk_ref() {
        // Create a repo that initialises with an orphaned initial commit on a
        // non-standard branch, so the trunk ladder (origin/HEAD, main, master)
        // finds nothing.
        let src = tempfile::tempdir().unwrap();
        std::fs::create_dir_all(src.path()).unwrap();
        git(src.path(), &["init", "-q", "-b", "other"]);
        git(src.path(), &["config", "user.email", "t@example.com"]);
        git(src.path(), &["config", "user.name", "Test"]);
        std::fs::create_dir_all(src.path().join(".doctrine")).unwrap();
        std::fs::write(src.path().join("a.txt"), "hello").unwrap();
        git(src.path(), &["add", "."]);
        git(src.path(), &["commit", "-q", "-m", "base"]);
        seed_slice_dir(src.path(), 85);
        seed_plan(src.path(), 85, &plan_body(&[("PHASE-01", "setup")]));
        create_dispatch_ref(src.path(), 85);
        // No main/master branch — trunk ladder returns None.

        let result = run_status(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_err(), "status without trunk ref should fail");
        let err = format!("{}", result.unwrap_err());
        assert!(
            err.contains("trunk ref not found"),
            "error should mention 'trunk ref not found'; got: {err}"
        );
    }

    /// T3-4: Status after sync → sync prepared, phase cuts count.
    #[test]
    fn dispatch_status_after_sync() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(src.path(), 85, &plan_body(&[("PHASE-01", "setup")]));
        create_dispatch_ref(src.path(), 85);
        create_review_ref(src.path(), 85);

        let result = run_status(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "status should succeed; err: {result:?}");
    }

    /// T3-5: Status moved trunk → trunk moved.
    #[test]
    fn dispatch_status_moved_trunk() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(src.path(), 85, &plan_body(&[("PHASE-01", "setup")]));
        // Create dispatch ref BEFORE trunk advances, so the fork point is older.
        create_dispatch_ref(src.path(), 85);
        advance_trunk(src.path());

        let result = run_status(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "status should succeed; err: {result:?}");
    }

    /// T3-6: Status all phases completed, no review ref → next guidance for prepare-review.
    #[test]
    fn dispatch_status_all_completed_no_review() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(src.path(), 85, &plan_body(&[("PHASE-01", "setup")]));
        create_dispatch_ref(src.path(), 85);
        seed_phase_tracking(src.path(), 85, 1, "completed");

        let result = run_status(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "status should succeed; err: {result:?}");
    }

    /// T3-7: Status all completed, review ref present → guidance references audit.
    #[test]
    fn dispatch_status_all_completed_review_present() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(src.path(), 85, &plan_body(&[("PHASE-01", "setup")]));
        create_dispatch_ref(src.path(), 85);
        create_review_ref(src.path(), 85);
        seed_phase_tracking(src.path(), 85, 1, "completed");

        let result = run_status(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "status should succeed; err: {result:?}");
    }

    /// T3-8: Status coord removed → coord (removed).
    #[test]
    fn dispatch_status_coord_removed() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(src.path(), 85, &plan_body(&[("PHASE-01", "setup")]));
        create_dispatch_ref(src.path(), 85);
        // No worktree exists — worktree list won't find it.

        let result = run_status(Some(src.path().to_path_buf()), 85, false);
        assert!(result.is_ok(), "status should succeed; err: {result:?}");
    }

    /// T3-9: Status JSON → all sections, next.kind structured.
    #[test]
    fn dispatch_status_json() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(
            src.path(),
            85,
            &plan_body(&[("PHASE-01", "setup"), ("PHASE-02", "build")]),
        );
        create_dispatch_ref(src.path(), 85);

        let result = run_status(Some(src.path().to_path_buf()), 85, true);
        assert!(
            result.is_ok(),
            "status --json should succeed; err: {result:?}"
        );
    }

    // --- SL-127 PHASE-03: trunk_drift + refresh-base ---------------------------

    /// Create `refs/heads/dispatch/{slice:03}` at the current HEAD and add a REAL
    /// linked worktree on it under `<dir>/coord`, returning the coord path. The
    /// coordination worktree is just `git worktree add <dir> dispatch/<NNN>`.
    fn add_dispatch_worktree(repo: &Path, slice: u32, holder: &Path) -> std::path::PathBuf {
        let branch = format!("dispatch/{slice:03}");
        let head = git(repo, &["rev-parse", "HEAD"]);
        git(repo, &["branch", &branch, &head]);
        let coord = holder.join("coord");
        git(
            repo,
            &[
                "worktree",
                "add",
                "--quiet",
                coord.to_str().unwrap(),
                &branch,
            ],
        );
        coord
    }

    /// Commit `content` to `file` in `wt`, returning the new HEAD oid.
    fn commit_file(wt: &Path, file: &str, content: &str, msg: &str) -> String {
        std::fs::write(wt.join(file), content).unwrap();
        git(wt, &["add", file]);
        git(wt, &["commit", "-q", "-m", msg]);
        git(wt, &["rev-parse", "HEAD"])
    }

    /// VT-1: `trunk_drift` — fork_point = merge_base(tip, trunk); ahead =
    /// count(fork_point..trunk); ahead == 0 when trunk is an ancestor of tip.
    #[test]
    fn trunk_drift_measures_against_trunk() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        let fork = git(src.path(), &["rev-parse", "HEAD"]);
        // A tip parked at the fork: trunk has not moved past it yet.
        let tip = fork.clone();
        let d0 = trunk_drift(src.path(), &tip)
            .unwrap()
            .expect("shared ancestor");
        assert_eq!(d0.fork_point, fork, "fork_point is the merge-base");
        assert_eq!(d0.ahead, 0, "trunk == fork ⇒ zero ahead");

        // Advance trunk twice (distinct content per commit); tip stays at fork.
        commit_file(src.path(), "b.txt", "trunk-1\n", "advance trunk 1");
        let trunk_tip = commit_file(src.path(), "b.txt", "trunk-2\n", "advance trunk 2");
        let d = trunk_drift(src.path(), &tip)
            .unwrap()
            .expect("shared ancestor");
        assert_eq!(d.trunk_tip, trunk_tip, "carries the resolved trunk tip");
        assert_eq!(d.fork_point, fork, "fork unchanged — tip did not move");
        assert_eq!(d.ahead, 2, "trunk is two commits ahead of the fork");

        // A tip that already contains trunk ⇒ ahead == 0 (trunk is its ancestor).
        let d_fresh = trunk_drift(src.path(), &trunk_tip)
            .unwrap()
            .expect("shared ancestor");
        assert_eq!(d_fresh.ahead, 0, "trunk ancestor of tip ⇒ zero ahead");
    }

    /// VT-2: refresh-base CLEAN (reproduces SL-122). Trunk advances past the fork
    /// with a non-overlapping change; the dispatch branch carries its own commit.
    /// `run_refresh_base` merges clean, the coord HEAD advances to a merge commit
    /// with parents [dispatch_tip, trunk_tip], and afterwards
    /// merge_base(dispatch, trunk) == trunk_tip (trunk fully contained).
    #[test]
    fn refresh_base_clean_advances_dispatch() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        let holder = tempfile::tempdir().unwrap();
        let coord = add_dispatch_worktree(src.path(), 85, holder.path());

        // Dispatch branch adds a NEW file in the coord worktree.
        let dispatch_tip = commit_file(&coord, "c.txt", "dispatch work\n", "dispatch commit");
        // Trunk advances on main with a same-block rewrite of a.txt that would
        // conflict at candidate-create 3-way time, but here is non-overlapping
        // with the dispatch delta (which touched only c.txt).
        let trunk_tip = commit_file(src.path(), "a.txt", "hello trunk-moved\n", "advance trunk");

        run_refresh_base(Some(src.path().to_path_buf()), 85).expect("clean refresh");

        let new_tip = git(&coord, &["rev-parse", "HEAD"]);
        assert_ne!(new_tip, dispatch_tip, "coord HEAD advanced");
        let parents = git(&coord, &["rev-list", "--parents", "-n", "1", &new_tip]);
        let p: Vec<&str> = parents.split_whitespace().skip(1).collect();
        assert_eq!(
            p,
            vec![dispatch_tip.as_str(), trunk_tip.as_str()],
            "merge parents"
        );

        // Trunk is now fully contained in the dispatch branch.
        let mb = git(&coord, &["merge-base", &new_tip, &trunk_tip]);
        assert_eq!(mb, trunk_tip, "merge_base(dispatch, trunk) == trunk_tip");
    }

    /// VT-3: refresh-base CONFLICT — a genuinely-conflicting trunk merge returns
    /// Err naming the conflicting path(s), leaves `MERGE_HEAD` in the coord
    /// worktree, and does NOT advance the dispatch ref past the pre-merge tip.
    #[test]
    fn refresh_base_conflict_reports_and_halts() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        let holder = tempfile::tempdir().unwrap();
        let coord = add_dispatch_worktree(src.path(), 85, holder.path());

        // Both sides rewrite the SAME line of a.txt ⇒ a real conflict.
        let dispatch_tip = commit_file(&coord, "a.txt", "DISPATCH\n", "dispatch edits a.txt");
        commit_file(src.path(), "a.txt", "TRUNK\n", "trunk edits a.txt");

        let result = run_refresh_base(Some(src.path().to_path_buf()), 85);
        let err = format!("{}", result.expect_err("conflict must Err"));
        assert!(
            err.contains("a.txt"),
            "names the conflicting path; got: {err}"
        );
        assert!(err.contains("conflicted"), "reports conflict; got: {err}");

        // MERGE_HEAD persists in the coord worktree (not aborted).
        let merge_head = coord.join(".git");
        // Worktree .git is a file pointing at the gitdir; resolve via rev-parse.
        let _ = merge_head;
        let mh = git(&coord, &["rev-parse", "--verify", "--quiet", "MERGE_HEAD"]);
        assert!(!mh.is_empty(), "MERGE_HEAD left in place");

        // The dispatch ref is unadvanced (the conflicted merge is uncommitted).
        let tip_now = git(&coord, &["rev-parse", "dispatch/085"]);
        assert_eq!(
            tip_now, dispatch_tip,
            "dispatch ref unadvanced past pre-merge tip"
        );
    }

    /// VT-4a: unrelated histories ⇒ refuse before merging.
    #[test]
    fn refresh_base_refuses_unrelated_histories() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        let holder = tempfile::tempdir().unwrap();
        let coord = add_dispatch_worktree(src.path(), 85, holder.path());
        // Re-root the dispatch branch onto an orphan with no shared ancestor.
        git(&coord, &["checkout", "-q", "--orphan", "orphan-tmp"]);
        std::fs::write(coord.join("orphan.txt"), "orphan\n").unwrap();
        git(&coord, &["add", "orphan.txt"]);
        git(&coord, &["commit", "-q", "-m", "orphan root"]);
        // Move dispatch/085 to the orphan, restore HEAD onto it cleanly.
        let orphan = git(&coord, &["rev-parse", "HEAD"]);
        git(&coord, &["branch", "-f", "dispatch/085", &orphan]);
        git(&coord, &["checkout", "-q", "dispatch/085"]);
        git(&coord, &["branch", "-D", "orphan-tmp"]);

        let result = run_refresh_base(Some(src.path().to_path_buf()), 85);
        let err = format!("{}", result.expect_err("unrelated histories must Err"));
        assert!(
            err.contains("unrelated histories"),
            "refuses unrelated histories; got: {err}"
        );
    }

    /// VT-4b: already-fresh (trunk is an ancestor of dispatch) ⇒ no-op Ok, no new
    /// commit written.
    #[test]
    fn refresh_base_noop_when_already_fresh() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        let holder = tempfile::tempdir().unwrap();
        let coord = add_dispatch_worktree(src.path(), 85, holder.path());
        // Dispatch branch is at trunk tip (no drift) and adds a commit on top, so
        // trunk is strictly an ancestor of dispatch.
        let before = commit_file(&coord, "c.txt", "ahead of trunk\n", "dispatch ahead");

        run_refresh_base(Some(src.path().to_path_buf()), 85).expect("already-fresh is Ok");

        let after = git(&coord, &["rev-parse", "HEAD"]);
        assert_eq!(after, before, "no new commit on a fresh dispatch branch");
    }

    /// VT-4c: dirty coord tree ⇒ refuse (don't merge over WIP).
    #[test]
    fn refresh_base_refuses_dirty_coord() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        let holder = tempfile::tempdir().unwrap();
        let coord = add_dispatch_worktree(src.path(), 85, holder.path());
        advance_trunk(src.path()); // make trunk move so a merge would be attempted
        // Leave uncommitted WIP in the coord tree.
        std::fs::write(coord.join("a.txt"), "uncommitted edit\n").unwrap();

        let result = run_refresh_base(Some(src.path().to_path_buf()), 85);
        let err = format!("{}", result.expect_err("dirty coord must Err"));
        assert!(
            err.contains("dirty coordination worktree"),
            "refuses a dirty coord tree; got: {err}"
        );
    }

    /// VT-4d: no coordination worktree ⇒ refuse with the setup/resume hint.
    #[test]
    fn refresh_base_refuses_without_coord_worktree() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        // Create the dispatch ref but NO live worktree on it.
        create_dispatch_ref(src.path(), 85);

        let result = run_refresh_base(Some(src.path().to_path_buf()), 85);
        let err = format!("{}", result.expect_err("missing coord worktree must Err"));
        assert!(
            err.contains("no live coordination worktree") && err.contains("setup"),
            "hints at setup/resume; got: {err}"
        );
    }

    // --- SL-127 PHASE-04: drift diagnostics ------------------------------------

    /// The pre-SL-127 content-conflict abort text, verbatim. VT-1b pins the
    /// `ahead == 0` rendering to these exact bytes — the no-verdict contract.
    const LEGACY_CONFLICT_TEXT: &str = "candidate create: 3-way merge of refs/heads/review/085 onto trunk conflicts — pass --worktree to park the candidate branch at the base for manual resolve+commit, or abort (no row/ref/worktree written)";

    /// VT-1a (EX-1): a content conflict where trunk has advanced past the source
    /// ⇒ the abort message APPENDS the refresh-base hint AND the drift count, while
    /// preserving the original text as a prefix (the hint is additive, never a
    /// replacement, and never asserts the cause).
    #[test]
    fn candidate_conflict_message_appends_drift_hint() {
        let msg = candidate_conflict_message("refs/heads/review/085", "trunk", 3);
        assert!(
            msg.starts_with(LEGACY_CONFLICT_TEXT),
            "legacy text is preserved as a prefix; got: {msg}"
        );
        assert!(
            msg.contains("trunk has advanced 3 commit(s) past this source"),
            "names the drift count; got: {msg}"
        );
        assert!(
            msg.contains("refresh-base") && msg.contains("re-prepare + re-create"),
            "hints the refresh-base remedy; got: {msg}"
        );
        assert!(
            msg.contains("may be base divergence"),
            "non-asserting ('may be'); got: {msg}"
        );
    }

    /// VT-1b (EX-1): a content conflict where trunk has NOT advanced (`ahead == 0`)
    /// ⇒ the abort message is BYTE-IDENTICAL to the pre-SL-127 text. Guards the
    /// no-verdict contract: a plain content conflict carries no drift diagnosis.
    #[test]
    fn candidate_conflict_message_byte_identical_when_not_behind_trunk() {
        let msg = candidate_conflict_message("refs/heads/review/085", "trunk", 0);
        assert_eq!(msg, LEGACY_CONFLICT_TEXT, "ahead==0 ⇒ verbatim legacy text");
    }

    /// A `select_guidance` row with no phases remaining, no admission, coord live —
    /// the common "all done" shape. Individual tests flip the fields under test.
    fn all_done_inputs() -> GuidanceInputs<fn() -> Vec<String>> {
        GuidanceInputs {
            all_completed: true,
            bundle_stale: false,
            review_exists: false,
            coord_live: true,
            admitted: false,
            admitted_is_ancestor: false,
            next_phases: Vec::new,
        }
    }

    /// VT-2a (EX-2): all phases complete AND the prepared bundle is stale past trunk
    /// ⇒ guidance is `RefreshBase`, and it fires BEFORE the prepare-review/audit
    /// legs (even with a review ref + admission present, RefreshBase wins). JSON
    /// kind is the structured `refresh_base`.
    #[test]
    fn select_guidance_refresh_base_precedes_prepare_review_and_audit() {
        // Bare stale bundle, no review yet ⇒ would route to PrepareReview without
        // the stale check; the stale leg must win.
        let g = select_guidance(GuidanceInputs {
            bundle_stale: true,
            ..all_done_inputs()
        });
        assert!(
            matches!(g, NextGuidance::RefreshBase),
            "stale ⇒ RefreshBase"
        );
        assert_eq!(g.to_json().kind, "refresh_base");

        // Even with a review ref AND an admitted close target (the audit legs), a
        // stale bundle still routes to RefreshBase — it precedes audit.
        let g2 = select_guidance(GuidanceInputs {
            bundle_stale: true,
            review_exists: true,
            admitted: true,
            ..all_done_inputs()
        });
        assert!(
            matches!(g2, NextGuidance::RefreshBase),
            "stale wins over the audit legs"
        );
    }

    /// VT-2b (EX-2): a fresh bundle (`bundle_stale == false`) leaves the prior
    /// machine untouched — no review ref ⇒ PrepareReview; review ref present ⇒ the
    /// audit leg. RefreshBase is ABSENT.
    #[test]
    fn select_guidance_fresh_bundle_keeps_existing_guidance() {
        let no_review = select_guidance(all_done_inputs());
        assert!(
            matches!(no_review, NextGuidance::PrepareReview),
            "fresh + no review ⇒ PrepareReview (unchanged)"
        );

        let with_review = select_guidance(GuidanceInputs {
            review_exists: true,
            ..all_done_inputs()
        });
        assert!(
            matches!(with_review, NextGuidance::AuditOrCandidateStatus),
            "fresh + review ⇒ audit leg (unchanged)"
        );
    }

    /// VT-2a (integration): `run_status` drives the stale bundle end-to-end — a
    /// dispatch ref parked at the fork, all phases completed, trunk advanced past
    /// it, no review ref ⇒ Ok (the RefreshBase leg is reached, not a stale-base
    /// prepare-review). Pairs with the table test above for the routing proof.
    #[test]
    fn dispatch_status_stale_bundle_routes_refresh_base() {
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        seed_slice_dir(src.path(), 85);
        seed_plan(src.path(), 85, &plan_body(&[("PHASE-01", "setup")]));
        // Dispatch ref pinned at the current HEAD (the fork), THEN trunk advances —
        // so trunk_drift(dispatch_tip).ahead > 0 (the bundle is stale).
        create_dispatch_ref(src.path(), 85);
        advance_trunk(src.path());
        seed_phase_tracking(src.path(), 85, 1, "completed");

        let result = run_status(Some(src.path().to_path_buf()), 85, true);
        assert!(result.is_ok(), "status should succeed; err: {result:?}");
    }

    // --- PHASE-05 (ISS-052) projection-source guard predicate (D11) ----------

    fn reg_row(phase: &str, provenance: Provenance) -> BoundaryRow {
        BoundaryRow {
            phase: phase.to_string(),
            code_start_oid: "s".to_string(),
            code_end_oid: "e".to_string(),
            provenance,
        }
    }

    fn committed_set<'a>(phases: &'a [&str]) -> BTreeSet<&'a str> {
        phases.iter().copied().collect()
    }

    // VT-1: total loss — every registry row is funnel-owned, the committed ledger
    // is empty → all phases are named missing.
    #[test]
    fn guard_total_loss_names_every_funnel_phase() {
        let registry = vec![
            reg_row("PHASE-01", Provenance::Funnel),
            reg_row("PHASE-02", Provenance::Funnel),
        ];
        let committed = committed_set(&[]);
        let missing = missing_committed_funnel_phases(&registry, &committed);
        assert_eq!(missing, vec!["PHASE-01", "PHASE-02"]);
    }

    // VT-2: partial loss — one funnel phase absent from the committed ledger →
    // only that one is named; a complete committed ledger → nothing missing.
    #[test]
    fn guard_partial_loss_names_only_the_uncommitted_phase() {
        let registry = vec![
            reg_row("PHASE-01", Provenance::Funnel),
            reg_row("PHASE-02", Provenance::Funnel),
        ];
        assert_eq!(
            missing_committed_funnel_phases(&registry, &committed_set(&["PHASE-01"])),
            vec!["PHASE-02"],
        );
        assert!(
            missing_committed_funnel_phases(&registry, &committed_set(&["PHASE-01", "PHASE-02"]))
                .is_empty(),
            "a complete committed ledger leaves nothing missing",
        );
    }

    // VT-4: set membership by provenance — Unknown (legacy/unclassified) missing
    // halts; Solo (binding) and a fresh Manual (record-delta) missing do NOT.
    #[test]
    fn guard_includes_unknown_excludes_solo_and_manual() {
        let registry = vec![
            reg_row("PHASE-01", Provenance::Unknown),
            reg_row("PHASE-02", Provenance::Solo),
            reg_row("PHASE-03", Provenance::Manual),
        ];
        // None present in the committed ledger; only the Unknown row is funnel-owned.
        let missing = missing_committed_funnel_phases(&registry, &committed_set(&[]));
        assert_eq!(
            missing,
            vec!["PHASE-01"],
            "Unknown halts; Solo/Manual excluded"
        );
    }

    // An empty registry can never produce a missing phase.
    #[test]
    fn guard_empty_registry_is_silent() {
        assert!(missing_committed_funnel_phases(&[], &committed_set(&["PHASE-01"])).is_empty(),);
    }

    // --- SL-165 PHASE-02: trace_candidate_provenance refuse matrix (INV-2..5) --
    //
    // The git-dependent INV-6 lineage binding (is_ancestor of the live tip onto
    // the recorded merge) is exercised end-to-end in
    // `tests/e2e_dispatch_candidate.rs::close_target_from_moved_candidate_ref_refuses`.
    // The structural refuse branches below are pure over (Candidates, Journal):
    // hand-crafting an ambiguous / cyclic / non-evidence ledger through the CLI
    // is impractical, so they are unit-covered against the design's bail classes.

    /// Build a candidate row with the fields the trace reads; the rest are inert.
    fn cand_row(
        target_ref: &str,
        source_ref: &str,
        role: CandidateRole,
        kind: CandidateKind,
        status: CandidateStatus,
    ) -> CandidateRow {
        CandidateRow {
            id: format!("cand-{target_ref}"),
            label: "l".into(),
            kind,
            role,
            payload: CandidatePayload::ImplBundle,
            target_ref: target_ref.into(),
            source_ref: source_ref.into(),
            source_oid: "0".repeat(40),
            base_ref: "refs/heads/main".into(),
            base_oid: "0".repeat(40),
            merge_oid: "0".repeat(40),
            status,
            supersedes: String::new(),
            reason: String::new(),
            created_by: "test".into(),
            created_at: "2026-01-01".into(),
        }
    }

    fn jrow(target_ref: &str, status: LedgerStatus) -> JournalRow {
        JournalRow {
            source_oid: "0".repeat(40),
            target_ref: target_ref.into(),
            expected_old_oid: "0".repeat(40),
            planned_new_oid: "0".repeat(40),
            applied_new_oid: String::new(),
            status,
        }
    }

    /// A clean review_surface candidate sourced from a Verified `review/200`.
    fn audit_surface_row() -> CandidateRow {
        cand_row(
            "refs/heads/candidate/200/review-001",
            "refs/heads/review/200",
            CandidateRole::ReviewSurface,
            CandidateKind::Audit,
            CandidateStatus::Created,
        )
    }

    fn verified_review_journal() -> Journal {
        Journal {
            rows: vec![jrow("refs/heads/review/200", LedgerStatus::Verified)],
            ..Default::default()
        }
    }

    fn trace_err(
        candidates: &Candidates,
        journal: &Journal,
        ref_name: &str,
        budget: u32,
    ) -> String {
        let err = trace_candidate_provenance(candidates, journal, "200", ref_name, budget)
            .expect_err("trace should refuse");
        format!("{err}")
    }

    // INV-1: a clean audit review_surface tracing to Verified journaled evidence
    // is accepted — the recursion's terminal base case.
    #[test]
    fn trace_accepts_audit_surface_to_verified_root() {
        let candidates = Candidates {
            rows: vec![audit_surface_row()],
            ..Default::default()
        };
        let row = trace_candidate_provenance(
            &candidates,
            &verified_review_journal(),
            "200",
            "refs/heads/candidate/200/review-001",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        )
        .expect("clean audit surface should trace to the verified root");
        assert_eq!(row.target_ref, "refs/heads/candidate/200/review-001");
    }

    // INV-4: an exhausted budget refuses (the over-deep / cyclic guard).
    #[test]
    fn trace_over_budget_refuses() {
        let candidates = Candidates {
            rows: vec![audit_surface_row()],
            ..Default::default()
        };
        let err = trace_err(
            &candidates,
            &verified_review_journal(),
            "refs/heads/candidate/200/review-001",
            0,
        );
        assert!(err.contains("too deep or cyclic"), "got: {err}");
    }

    // INV-4: a cyclic chain (A→B→A) exhausts the budget rather than looping.
    #[test]
    fn trace_cyclic_chain_refuses() {
        let a = cand_row(
            "refs/heads/candidate/200/a",
            "refs/heads/candidate/200/b",
            CandidateRole::CloseTarget,
            CandidateKind::Audit,
            CandidateStatus::Created,
        );
        let b = cand_row(
            "refs/heads/candidate/200/b",
            "refs/heads/candidate/200/a",
            CandidateRole::CloseTarget,
            CandidateKind::Audit,
            CandidateStatus::Created,
        );
        let candidates = Candidates {
            rows: vec![a, b],
            ..Default::default()
        };
        let err = trace_err(
            &candidates,
            &Journal::default(),
            "refs/heads/candidate/200/a",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        );
        assert!(err.contains("too deep or cyclic"), "got: {err}");
    }

    // INV-5: two rows sharing a target_ref are fail-closed, never first-match.
    #[test]
    fn trace_ambiguous_row_refuses() {
        let candidates = Candidates {
            rows: vec![audit_surface_row(), audit_surface_row()],
            ..Default::default()
        };
        let err = trace_err(
            &candidates,
            &verified_review_journal(),
            "refs/heads/candidate/200/review-001",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        );
        assert!(err.contains("ambiguous candidate row"), "got: {err}");
    }

    // A source ref naming no recorded row is refused.
    #[test]
    fn trace_missing_row_refuses() {
        let candidates = Candidates::default();
        let err = trace_err(
            &candidates,
            &Journal::default(),
            "refs/heads/candidate/200/ghost",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        );
        assert!(err.contains("no recorded candidate row"), "got: {err}");
    }

    // INV-3: only a `Created` source candidate qualifies — a `Conflicted`
    // (parked-at-base) candidate is refused as not clean.
    #[test]
    fn trace_conflicted_status_refuses() {
        let mut row = audit_surface_row();
        row.status = CandidateStatus::Conflicted;
        let candidates = Candidates {
            rows: vec![row],
            ..Default::default()
        };
        let err = trace_err(
            &candidates,
            &verified_review_journal(),
            "refs/heads/candidate/200/review-001",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        );
        assert!(err.contains("not clean"), "got: {err}");
    }

    // INV-2: an `experiment`-kind source is refused even when its role would
    // otherwise pass — only `audit` content may source a close_target.
    #[test]
    fn trace_experiment_kind_refuses() {
        let mut row = audit_surface_row();
        row.kind = CandidateKind::Experiment;
        let candidates = Candidates {
            rows: vec![row],
            ..Default::default()
        };
        let err = trace_err(
            &candidates,
            &verified_review_journal(),
            "refs/heads/candidate/200/review-001",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        );
        assert!(
            err.contains("kind=Experiment") || err.contains("only an audit review_surface"),
            "got: {err}"
        );
    }

    // INV-2: a `scratch`-role source is refused (mirrors the e2e scratch case at
    // the pure layer, asserting the bail class).
    #[test]
    fn trace_scratch_role_refuses() {
        let mut row = audit_surface_row();
        row.role = CandidateRole::Scratch;
        let candidates = Candidates {
            rows: vec![row],
            ..Default::default()
        };
        let err = trace_err(
            &candidates,
            &verified_review_journal(),
            "refs/heads/candidate/200/review-001",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        );
        assert!(
            err.contains("role=Scratch") || err.contains("only an audit review_surface"),
            "got: {err}"
        );
    }

    // The recorded chain must terminate at journaled evidence: a hop to a ref
    // that is neither a candidate nor journaled evidence is refused.
    #[test]
    fn trace_non_evidence_hop_refuses() {
        let row = cand_row(
            "refs/heads/candidate/200/review-001",
            "refs/heads/feature/random",
            CandidateRole::ReviewSurface,
            CandidateKind::Audit,
            CandidateStatus::Created,
        );
        let candidates = Candidates {
            rows: vec![row],
            ..Default::default()
        };
        let err = trace_err(
            &candidates,
            &Journal::default(),
            "refs/heads/candidate/200/review-001",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        );
        assert!(err.contains("non-evidence"), "got: {err}");
    }

    // F3: the journaled base case runs the FULL existing gate — an UNVERIFIED
    // journal row at the chain root is refused, not silently accepted.
    #[test]
    fn trace_unverified_journal_root_refuses() {
        let candidates = Candidates {
            rows: vec![audit_surface_row()],
            ..Default::default()
        };
        let journal = Journal {
            rows: vec![jrow("refs/heads/review/200", LedgerStatus::Pending)],
            ..Default::default()
        };
        let err = trace_err(
            &candidates,
            &journal,
            "refs/heads/candidate/200/review-001",
            CANDIDATE_PROVENANCE_DEPTH_BUDGET,
        );
        assert!(err.contains("not verified"), "got: {err}");
    }

    // The journaled/candidate classifiers are the single source of truth for the
    // base-case vs recursion-step split (design §5.2).
    #[test]
    fn ref_classifiers_agree() {
        assert!(is_journaled_evidence_ref("refs/heads/review/200", "200"));
        assert!(is_journaled_evidence_ref("refs/heads/phase/200-03", "200"));
        assert!(!is_journaled_evidence_ref("refs/heads/phase/200-xx", "200"));
        assert!(!is_journaled_evidence_ref(
            "refs/heads/candidate/200/x",
            "200"
        ));
        assert!(is_candidate_ref("refs/heads/candidate/200/review-001"));
        assert!(!is_candidate_ref("refs/heads/review/200"));
    }

    // --- g1: guard_not_on_integration_ref (PHASE-04) -----------------------

    /// Build a posture config with the given authoring branch (deliver_to keeps
    /// its `refs/heads/main` default — the buffer in these fixtures).
    fn posture_cfg(authoring: Option<&str>) -> crate::dispatch_config::DispatchConfig {
        crate::dispatch_config::DispatchConfig {
            authoring_branch: authoring.map(str::to_owned),
            ..Default::default()
        }
    }

    #[test]
    fn integrate_refused_when_head_on_buffer() {
        // VT-1: posture on (authoring=edge), HEAD on the buffer `main` ⇒ refuse,
        // naming the buffer ref and the fetch-not-checkout recovery.
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path()); // HEAD on `main` (== deliver_to short name)
        let cfg = posture_cfg(Some("refs/heads/edge"));
        let err = guard_not_on_integration_ref(src.path(), &cfg).unwrap_err();
        let msg = format!("{err}");
        assert!(
            msg.contains(corpus_guard::REFUSE_ON_TRUNK),
            "names the g1 token: {msg}"
        );
        assert!(
            msg.contains("refs/heads/main"),
            "names the buffer ref: {msg}"
        );
        assert!(
            msg.contains("git fetch . refs/heads/edge:main")
                && msg.contains("never `checkout main`"),
            "names the fetch-not-checkout recovery: {msg}"
        );
    }

    #[test]
    fn integrate_allowed_on_authoring_branch() {
        // VT-2: posture on, HEAD on the authoring branch `edge` ⇒ the safe leg, Ok.
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        git(src.path(), &["checkout", "-q", "-b", "edge"]);
        let cfg = posture_cfg(Some("refs/heads/edge"));
        assert!(guard_not_on_integration_ref(src.path(), &cfg).is_ok());
    }

    #[test]
    fn g1_inert_when_posture_unset() {
        // VT-2: single-branch parity (INV-2) — authoring-branch unset ⇒ inert even
        // with HEAD on the buffer `main`.
        let src = tempfile::tempdir().unwrap();
        init_repo(src.path());
        let cfg = posture_cfg(None);
        assert!(guard_not_on_integration_ref(src.path(), &cfg).is_ok());
    }

    #[test]
    fn g1_guards_only_the_integrate_verb_entry() {
        // VA-1 verb-set audit (design F-4 / OQ-3): g1 has exactly ONE call site,
        // at the `run_integrate` verb entry — the sole landing for the
        // `--trunk`/`--edge` and candidate-active legs that advance an integration
        // ref. `candidate create` / `candidate admit` advance no integration ref
        // and MUST stay unguarded. This pins the enumeration so no future edit can
        // silently widen or narrow it without tripping the test.
        // Scope to PRODUCTION source only — exclude this test module, which names
        // the symbol in its own assertions.
        let this = include_str!("dispatch.rs");
        let prod = this
            .split("#[cfg(test)]")
            .next()
            .expect("production source before the test module");
        let call_sites = prod
            .lines()
            .filter(|l| {
                l.contains("guard_not_on_integration_ref(")
                    && !l.contains("fn guard_not_on_integration_ref")
                    && !l.trim_start().starts_with("//")
                    && !l.trim_start().starts_with("///")
            })
            .count();
        assert_eq!(
            call_sites, 1,
            "exactly one g1 call site (the integrate verb)"
        );
        // The one call site is in run_integrate, right after the config load.
        assert!(
            prod.contains(
                "let cfg = crate::dtoml::load_doctrine_toml(&root)?.dispatch;\n    guard_not_on_integration_ref(&root, &cfg)?;"
            ),
            "the g1 call site is run_integrate's verb entry"
        );
        // And neither candidate path references it (create/admit are excluded).
        for fn_name in ["fn candidate_create", "fn run_candidate_admit"] {
            let body_start = prod.find(fn_name).expect("candidate fn present");
            let after = &prod[body_start..];
            // Scope to a generous window covering the fn body.
            let window = &after[..after.len().min(6000)];
            assert!(
                !window.contains("guard_not_on_integration_ref("),
                "{fn_name} must not call g1 (advances no integration ref)"
            );
        }
    }
}