git-slop 0.16.0

A deterministic repository token-defragmenter for humans and AI agents.
Documentation
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
use super::*;

fn plan_candidates(report: &Value, context: &Value) -> Vec<Value> {
    let mut slices = vec![anchor_plan_slice(report, context)];
    let selector_kind = string(value_at(context, &["selector", "kind"]));
    let record_type = string(value_at(context, &["target", "record_type"]));
    match selector_kind.as_str() {
        "path" => {
            let relationship_limit = if record_type == "folder" {
                usize::MAX
            } else {
                3
            };
            for relationship in array_at(context, &["supporting_relationships"])
                .iter()
                .take(relationship_limit)
            {
                if let Some(slice) = relationship_plan_slice(report, context, relationship) {
                    slices.push(slice);
                }
            }
            let cluster_limit = if record_type == "folder" {
                usize::MAX
            } else {
                2
            };
            let mut emitted = 0;
            for cluster in array_at(context, &["supporting_clusters"]) {
                if let Some(slice) = cluster_plan_slice(report, context, cluster) {
                    slices.push(slice);
                    emitted += 1;
                    if emitted >= cluster_limit {
                        break;
                    }
                }
            }
        }
        "cluster" => {
            let mut emitted = 0;
            for relationship in array_at(context, &["supporting_relationships"]) {
                if let Some(slice) = relationship_plan_slice(report, context, relationship) {
                    slices.push(slice);
                    emitted += 1;
                    if emitted >= 2 {
                        break;
                    }
                }
            }
        }
        _ => {
            let mut emitted = 0;
            for cluster in array_at(context, &["supporting_clusters"]) {
                if let Some(slice) = cluster_plan_slice(report, context, cluster) {
                    slices.push(slice);
                    emitted += 1;
                    if emitted >= 2 {
                        break;
                    }
                }
            }
        }
    }
    slices
}

fn merge_plan_slices(slices: Vec<Value>) -> Vec<Value> {
    let mut merged: Vec<Value> = Vec::new();
    for mut slice in slices {
        let scope = string_array(slice.get("scope_paths"));
        if let Some(existing) = merged
            .iter_mut()
            .find(|existing| string_array(existing.get("scope_paths")) == scope)
        {
            for key in [
                "out_of_scope_paths",
                "supporting_relationship_ids",
                "supporting_cluster_ids",
            ] {
                let values = unique_strings(
                    string_array(existing.get(key))
                        .into_iter()
                        .chain(string_array(slice.get(key))),
                );
                existing
                    .as_object_mut()
                    .expect("slice object")
                    .insert(key.to_string(), json!(values));
            }
            if usize_value(slice.get("_selector_class"))
                < usize_value(existing.get("_selector_class"))
            {
                for key in [
                    "_selector_class",
                    "id",
                    "title",
                    "why_this_slice",
                    "ranking_reason",
                ] {
                    existing.as_object_mut().expect("slice object").insert(
                        key.to_string(),
                        slice
                            .as_object_mut()
                            .expect("slice object")
                            .remove(key)
                            .unwrap_or(Value::Null),
                    );
                }
            }
        } else {
            merged.push(slice);
        }
    }
    merged
}

fn plan_top_score_sum(report: &Value, slice: &Value) -> f64 {
    let mut scores: Vec<f64> = string_array(slice.get("scope_paths"))
        .iter()
        .map(|path| record_slop_score(report, path))
        .collect();
    scores.sort_by(|left, right| cmp_f64_desc(*left, *right));
    scores.into_iter().take(3).sum()
}

fn rank_plan_slices(report: &Value, context: &Value, mut slices: Vec<Value>) -> Vec<Value> {
    let path_selector = string(value_at(context, &["selector", "kind"])) == "path";
    slices.sort_by(|left, right| {
        if path_selector {
            let left_anchor = usize_value(left.get("_selector_class")) != 0;
            let right_anchor = usize_value(right.get("_selector_class")) != 0;
            left_anchor
                .cmp(&right_anchor)
                .then_with(|| {
                    cmp_f64_desc(
                        plan_top_score_sum(report, left),
                        plan_top_score_sum(report, right),
                    )
                })
                .then_with(|| {
                    string_array(left.get("out_of_scope_paths"))
                        .len()
                        .cmp(&string_array(right.get("out_of_scope_paths")).len())
                })
                .then_with(|| {
                    string_array(left.get("scope_paths"))
                        .cmp(&string_array(right.get("scope_paths")))
                })
        } else {
            usize_value(left.get("_selector_class"))
                .cmp(&usize_value(right.get("_selector_class")))
                .then_with(|| {
                    string_array(right.get("supporting_relationship_ids"))
                        .len()
                        .cmp(&string_array(left.get("supporting_relationship_ids")).len())
                })
                .then_with(|| {
                    string_array(right.get("supporting_cluster_ids"))
                        .len()
                        .cmp(&string_array(left.get("supporting_cluster_ids")).len())
                })
                .then_with(|| {
                    string_array(left.get("out_of_scope_paths"))
                        .len()
                        .cmp(&string_array(right.get("out_of_scope_paths")).len())
                })
                .then_with(|| {
                    cmp_f64_desc(
                        plan_top_score_sum(report, left),
                        plan_top_score_sum(report, right),
                    )
                })
                .then_with(|| {
                    string_array(left.get("scope_paths"))
                        .cmp(&string_array(right.get("scope_paths")))
                })
        }
    });
    let mut kept: Vec<Value> = Vec::new();
    for slice in slices {
        let scope: BTreeSet<String> = string_array(slice.get("scope_paths")).into_iter().collect();
        let relationships: BTreeSet<String> =
            string_array(slice.get("supporting_relationship_ids"))
                .into_iter()
                .collect();
        let clusters: BTreeSet<String> = string_array(slice.get("supporting_cluster_ids"))
            .into_iter()
            .collect();
        let suppress = kept.iter().any(|existing| {
            let existing_scope: BTreeSet<String> = string_array(existing.get("scope_paths"))
                .into_iter()
                .collect();
            scope.is_subset(&existing_scope)
                && scope != existing_scope
                && relationships.is_subset(
                    &string_array(existing.get("supporting_relationship_ids"))
                        .into_iter()
                        .collect(),
                )
                && clusters.is_subset(
                    &string_array(existing.get("supporting_cluster_ids"))
                        .into_iter()
                        .collect(),
                )
        });
        if !suppress {
            kept.push(slice);
        }
    }
    kept
}

fn plan_evidence_summary(slice: &Value) -> String {
    let relationships = string_array(slice.get("supporting_relationship_ids"));
    let clusters = string_array(slice.get("supporting_cluster_ids"));
    let mut parts = Vec::new();
    if !relationships.is_empty() {
        parts.push(format!("{} relationship(s)", relationships.len()));
    }
    if !clusters.is_empty() {
        parts.push(format!("{} cluster(s)", clusters.len()));
    }
    if parts.is_empty() {
        parts.push("anchor detector evidence".to_string());
    }
    format!(
        "{} Evidence: {}. Scope: {}.",
        string(slice.get("why_this_slice")),
        parts.join(", "),
        {
            let scope = string_array(slice.get("scope_paths"));
            if scope.is_empty() {
                "none".to_string()
            } else {
                scope.join(", ")
            }
        },
    )
}

fn enrich_plan_slice(report: &Value, context: &Value, mut slice: Value) -> Value {
    slice
        .as_object_mut()
        .expect("slice object")
        .remove("_selector_class");
    let evidence_summary = plan_evidence_summary(&slice);
    let rationale = string(slice.get("why_this_slice"));
    let scope_paths = string_array(slice.get("scope_paths"));
    let scope_path_count = scope_paths.len();
    let out_of_scope_paths = string_array(slice.get("out_of_scope_paths"));
    let relationship_ids = string_array(slice.get("supporting_relationship_ids"));
    let cluster_ids = string_array(slice.get("supporting_cluster_ids"));
    let top_score = string_array(slice.get("scope_paths"))
        .iter()
        .map(|path| record_slop_score(report, path))
        .fold(0.0, f64::max);
    let priority = if top_score >= 75.0 {
        "Now"
    } else if top_score >= 40.0 {
        "Next"
    } else {
        "Later"
    };
    let round3 = |value: f64| (value * 1_000.0).round() / 1_000.0;
    let top_score = round3(top_score);
    let target_classification = string(value_at(context, &["target", "classification"]));
    let target_non_actionable = matches!(
        target_classification.as_str(),
        "generated" | "vendored" | "snapshot" | "fixture" | "migration_fixture"
    );
    let target_score: Option<f64> = None;
    let target_band = if top_score >= 75.0 {
        Some("moderate_or_lower")
    } else if top_score >= 40.0 {
        Some("low")
    } else {
        None
    };
    let non_actionable_scope = target_non_actionable
        || scope_paths.iter().any(|path| {
            resolved_record(report, path).is_some_and(|record| {
                matches!(
                    string(record.get("classification")).as_str(),
                    "generated" | "vendored" | "snapshot" | "fixture" | "migration_fixture"
                )
            })
        });
    let supported_relationship_ids = relationship_ids
        .iter()
        .filter(|id| {
            relationship_by_id(report, id)
                .is_some_and(|relationship| string(relationship.get("confidence")) == "supported")
        })
        .cloned()
        .collect::<Vec<_>>();
    let contextual_relationship_ids = relationship_ids
        .iter()
        .filter(|id| !supported_relationship_ids.contains(id))
        .cloned()
        .collect::<Vec<_>>();
    let anchor_reason_codes = scope_paths
        .iter()
        .flat_map(|path| {
            resolved_record(report, path)
                .map(|record| string_array(record.get("reason_codes")))
                .unwrap_or_default()
        })
        .collect::<BTreeSet<_>>();
    let anchor_intervention_evidence = top_score >= 40.0 || !anchor_reason_codes.is_empty();
    let no_intervention_evidence =
        !anchor_intervention_evidence && supported_relationship_ids.is_empty();
    let plan_type = if !non_actionable_scope
        && (anchor_intervention_evidence || !supported_relationship_ids.is_empty())
    {
        "intervention"
    } else {
        "investigation"
    };
    let relationship_labels = relationship_ids
        .iter()
        .filter_map(|id| relationship_by_id(report, id))
        .map(|relationship| {
            json!({
                "id": relationship.get("id").cloned().unwrap_or(Value::Null),
                "kind": relationship.get("kind").cloned().unwrap_or(Value::Null),
                "paths": [
                    relationship.get("source_path").cloned().unwrap_or(Value::Null),
                    relationship.get("target_path").cloned().unwrap_or(Value::Null),
                ],
                "confidence": relationship.get("confidence").cloned().unwrap_or_else(|| json!("unknown")),
                "evidence_lower_bound": relationship.get("evidence_lower_bound").or_else(|| relationship.get("confidence_lower_bound")).cloned().unwrap_or(Value::Null),
                "support_count": relationship.get("support_count").cloned().unwrap_or_else(|| json!(0)),
                "evidence_score": relationship.get("evidence_score").cloned().unwrap_or_else(|| json!(0.0)),
            })
        })
        .collect::<Vec<_>>();
    let repository_paths = array_at(report, &["files"])
        .iter()
        .filter_map(|record| record.get("path").and_then(Value::as_str))
        .map(str::to_owned)
        .collect::<BTreeSet<_>>();
    let configured_commands = string_array(report.pointer("/config/verification/commands"));
    let verification_commands = super::super::verification::from_report_paths(
        report,
        &repository_paths,
        &scope_paths,
        &configured_commands,
    );
    let verification_classes = scope_paths
        .iter()
        .filter_map(|path| {
            array_at(report, &["files"])
                .iter()
                .find(|record| record.get("path").and_then(Value::as_str) == Some(path))
        })
        .filter_map(|record| record.get("classification").and_then(Value::as_str))
        .map(|classification| match classification {
            "docs" => "documentation",
            "config" => "configuration",
            "workflow" => "workflow",
            "tool" => "workflow_or_tooling",
            "test" => "test",
            _ => "source",
        })
        .collect::<BTreeSet<_>>();
    let acceptance_criteria = if non_actionable_scope {
        json!([
            format!(
                "Change no more than {scope_path_count} existing scoped paths unless the plan is regenerated."
            ),
            "Identify and verify the generator, upstream dependency, or fixture/test strategy without requiring a score reduction in derived content.",
            "Produce zero native compare regressions and pass every discovered verification command."
        ])
    } else if no_intervention_evidence {
        json!([
            format!(
                "Change no more than {scope_path_count} existing scoped paths unless the plan is regenerated."
            ),
            "No intervention evidence is present; gather a supported reason code, band breach, or relationship before proposing repository mutation.",
            "If evidence remains absent, close the investigation without changing source files."
        ])
    } else {
        json!([
            format!(
                "Change no more than {scope_path_count} existing scoped paths unless the plan is regenerated."
            ),
            "Remove or materially reduce at least one cited source reason code or exit the cited maintenance band while preserving raw-content identity evidence.",
            "Produce zero native compare regressions and pass every discovered verification command."
        ])
    };
    let backlog = json!({
        "mutation_policy": "preview_only",
        "proposed_issue_title": format!("Maintenance: {}", string(slice.get("title"))),
        "issue_type": "maintenance",
        "suggested_labels": ["maintenance"],
        "priority_hint": priority,
        "evidence_summary": evidence_summary,
        "acceptance_criteria": acceptance_criteria,
        "source": {
            "command": "git slop plan",
            "selector": context.get("selector").cloned().unwrap_or(Value::Null),
            "report_schema_version": report.get("schema_version").cloned().unwrap_or(Value::Null),
        },
    });
    let object = slice.as_object_mut().expect("slice object");
    object.remove("why_this_slice");
    object.insert(
        "objective".to_string(),
        if non_actionable_scope {
            json!(format!(
                "Investigate the generator, upstream source, or fixture/test strategy associated with {}; do not require a direct score reduction in derived content, and pass every discovered verification command without unreviewed scope expansion.",
                render_limited(&scope_paths, 5)
            ))
        } else if no_intervention_evidence {
            json!(format!(
                "Investigate {}; no intervention evidence is currently present, so do not mutate source unless a supported reason code, band breach, or relationship is established.",
                render_limited(&scope_paths, 5)
            ))
        } else {
            json!(format!(
                "Resolve the cited detector reason codes across {}, improve at least one source-derived metric without worsening supported relationship evidence, introduce zero native compare regressions, and pass every discovered verification command without unreviewed scope expansion.",
                render_limited(&scope_paths, 5)
            ))
        },
    );
    object.insert("plan_type".to_string(), json!(plan_type));
    object.insert("rationale".to_string(), json!(rationale));
    object.insert(
        "evidence".to_string(),
        json!({
            "summary": evidence_summary,
            "anchor": {
                "intervention_supported": anchor_intervention_evidence,
                "reason_codes": anchor_reason_codes,
                "top_slop_score": top_score
            },
            "relationship_support": {
                "supported_ids": supported_relationship_ids,
                "context_only_ids": contextual_relationship_ids
            },
            "relationship_ids": relationship_ids,
            "relationships": relationship_labels,
            "cluster_ids": cluster_ids,
        }),
    );
    object.insert(
        "assumptions".to_string(),
        json!([
            "The cited detector report is the source of truth for scope and ranking.",
            "A human reviews the proposed slice before any repository mutation.",
            if verification_commands.is_empty() { "No repository-native verification command was discoverable from tracked manifest paths." } else { "Discovered verification commands are inferred from tracked manifest paths and must be reviewed before execution." },
        ]),
    );
    object.insert(
        "boundaries".to_string(),
        json!({
            "in_scope": scope_paths,
            "out_of_scope": out_of_scope_paths,
            "existing_path_cap": {
                "maximum": scope_path_count,
                "constraint": "Only the named in-scope existing paths may change; regenerate the plan to expand this set."
            },
            "new_path_cap": {
                "maximum": 2,
                "constraint": "Only focused tests or one extracted module directly attributable to an in-scope path; regenerate the plan for any other new file."
            }
        }),
    );
    object.insert(
        "verification".to_string(),
        json!({
            "classes": verification_classes,
            "discovered_commands": verification_commands,
            "required_checks": [
                "Run focused tests for every changed path.",
                "Rerun git-slop and compare the new report with the saved baseline.",
                "Confirm no unrelated finding or public contract regressed.",
            ],
            "concrete_targets": scope_paths.iter().map(|path| {
                let record = resolved_record(report, path).unwrap_or(Value::Null);
                json!({
                    "path": path,
                    "symbols_or_terms": string_array(record.get("top_structural_terms")).into_iter().take(5).collect::<Vec<_>>(),
                    "nearby_tests": record.pointer("/overlays/verification/nearby_test_paths").cloned().unwrap_or_else(|| json!([])),
                    "nearby_verification": record.pointer("/overlays/verification/nearby_verification_paths").cloned().unwrap_or_else(|| json!([]))
                })
            }).collect::<Vec<_>>()
        }),
    );
    object.insert(
        "expected_outcome".to_string(),
        json!({
            "maximum_scope_paths": scope_path_count,
            "baseline_top_slop_score": top_score,
            "target_top_slop_score": target_score,
            "target_slop_band": target_band,
            "required": if non_actionable_scope {
                json!([
                    "No new native compare regression.",
                    "The generator, upstream source, or fixture/test strategy is identified and verified; derived-content score reduction is not required.",
                    "All reviewed verification commands pass."
                ])
            } else if no_intervention_evidence {
                json!([
                    "No repository mutation without newly established intervention evidence.",
                    "The investigation records whether a reason-code, band, or supported relationship signal exists.",
                    "All reviewed verification commands pass if any diagnostic-only change is made."
                ])
            } else {
                json!([
                    "No new native compare regression.",
                    "At least one cited source-derived reason code is removed, or the scoped maintenance band improves.",
                    "Supported relationship evidence remains explainable; limited and low-support edges are investigation context only.",
                    "All reviewed verification commands pass."
                ])
            }
        }),
    );
    object.insert(
        "abandonment_condition".to_string(),
        json!("Stop and abandon or re-scope this slice if preserving behavior requires an out-of-scope change, verification cannot be identified, or the native comparison reports a regression."),
    );
    object.insert(
        "rollback".to_string(),
        json!("Revert only the explicitly reviewed code changes; report and prompt artifacts are advisory and can be regenerated."),
    );
    object.insert("backlog_handoff".to_string(), backlog);
    slice
}

pub fn plan_payload(report: &Value, selector: PlanSelector, max_slices: usize) -> Result<Value> {
    require_report_schema(report, "plan")?;
    if max_slices == 0 {
        bail!("--max-slices must be greater than zero.");
    }
    let context = match selector {
        PlanSelector::Path(path) => plan_context_for_path(report, &path)?,
        PlanSelector::Cluster(id) => plan_context_for_cluster(report, &id)?,
        PlanSelector::Relationship(id) => plan_context_for_relationship(report, &id)?,
    };
    let candidates = plan_candidates(report, &context);
    let merged = merge_plan_slices(candidates);
    let ranked = rank_plan_slices(report, &context, merged);
    let slices: Vec<Value> = ranked
        .into_iter()
        .take(max_slices)
        .map(|slice| enrich_plan_slice(report, &context, slice))
        .collect();
    let selector_kind = string(value_at(&context, &["selector", "kind"]));
    Ok(json!({
        "schema_version": PLAN_SCHEMA_VERSION,
        "report_schema_version": report.get("schema_version").cloned().unwrap_or(Value::Null),
        "command": "plan",
        "selector": context.get("selector").cloned().unwrap_or(Value::Null),
        "target": context.get("target").cloned().unwrap_or(Value::Null),
        "proposed_slices": slices,
        "ranking_basis": {
            "anchor_first": true,
            "relationship_slices_before_cluster_slices": selector_kind != "path",
            "max_slice_files": MAX_SLICE_FILES,
            "secondary_sort": if selector_kind == "path" {
                "top-three-slop-score-sum, out-of-scope-count, path"
            } else {
                "relationship-count, cluster-count, out-of-scope-count, top-three-slop-score-sum, path"
            },
        },
        "backlog_handoff": {
            "mutation_policy": "preview_only",
            "candidate_count": slices.len(),
            "source_selector": context.get("selector").cloned().unwrap_or(Value::Null),
            "canonical_format": "provider_neutral_maintenance_plan",
            "optional_adapters": ["github_issues", "linear", "project_management_plugin"],
        },
        "boundary_note": PLAN_BOUNDARY_NOTE,
    }))
}

fn render_limited(values: &[String], limit: usize) -> String {
    if values.is_empty() {
        return "none".to_string();
    }
    let preview = values.iter().take(limit).cloned().collect::<Vec<_>>();
    let rendered = preview.join(", ");
    if values.len() > preview.len() {
        format!("{rendered} (+{} more)", values.len() - preview.len())
    } else {
        rendered
    }
}

pub fn render_plan_text(payload: &Value) -> String {
    let safe = |value: Option<&Value>| crate::text::visible_controls(&string(value));
    let safe_array = |value: Option<&Value>| {
        string_array(value)
            .into_iter()
            .map(|value| crate::text::visible_controls(&value))
            .collect::<Vec<_>>()
    };
    let target = payload.get("target").unwrap_or(&Value::Null);
    let header = match string(target.get("kind")).as_str() {
        "path" => format!(
            "Plan: path {} [{}]",
            safe(target.get("path")),
            safe(target.get("record_type"))
        ),
        "cluster" => format!(
            "Plan: cluster {} [{}]",
            safe(target.get("id")),
            safe(target.get("cluster_kind"))
        ),
        _ => format!(
            "Plan: relationship {} [{}]",
            safe(target.get("id")),
            safe(target.get("relationship_kind"))
        ),
    };
    let slices = array_at(payload, &["proposed_slices"]);
    let mut lines = vec![header];
    if let Some(first) = slices.first() {
        lines.extend([
            String::new(),
            "Baseline workflow (shared by every slice):".to_string(),
            format!("  create: {}", safe(first.get("baseline_command"))),
            format!("  verify: {}", safe(first.get("rerun_command"))),
            format!(
                "  accept intentional movement: {}",
                safe(first.get("baseline_update_command"))
            ),
        ]);
    }
    for (index, slice) in slices.iter().enumerate() {
        lines.extend([
            String::new(),
            format!(
                "{}. {} [{}; priority={}]",
                index + 1,
                safe(slice.get("title")),
                safe(slice.get("plan_type")),
                safe(value_at(slice, &["backlog_handoff", "priority_hint"])),
            ),
            format!(
                "   scope: {}",
                render_limited(&safe_array(slice.get("scope_paths")), usize::MAX)
            ),
            format!("   objective: {}", safe(slice.get("objective"))),
            format!(
                "   evidence: {}",
                safe(value_at(slice, &["evidence", "summary"]))
            ),
        ]);
        let outcomes = safe_array(value_at(slice, &["expected_outcome", "required"]));
        if !outcomes.is_empty() {
            lines.push("   success:".to_string());
            lines.extend(
                outcomes
                    .into_iter()
                    .map(|outcome| format!("      - {outcome}")),
            );
        }
        let commands = safe_array(value_at(slice, &["verification", "discovered_commands"]));
        lines.push("   verification:".to_string());
        if commands.is_empty() {
            lines.push("      - none discovered; identify a focused repository-native check before editing".to_string());
        } else {
            lines.extend(
                commands
                    .into_iter()
                    .map(|command| format!("      - {command}")),
            );
        }
        let out_of_scope = safe_array(slice.get("out_of_scope_paths"));
        if !out_of_scope.is_empty() {
            lines.push(format!(
                "   explicitly out of scope: {}",
                render_limited(&out_of_scope, usize::MAX)
            ));
        }
        lines.extend([
            format!("   stop if: {}", safe(slice.get("abandonment_condition"))),
            format!(
                "   backlog preview: {}",
                safe(value_at(
                    slice,
                    &["backlog_handoff", "proposed_issue_title"]
                ))
            ),
        ]);
    }
    lines.extend([String::new(), safe(payload.get("boundary_note"))]);
    lines.join("\n")
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn generated_plan_preserves_known_nearby_tests() {
        let legacy: Value = serde_json::from_str(include_str!(
            "../../../tests/fixtures/reports/relationship_focused_report.json"
        ))
        .expect("fixture report");
        let mut report = crate::report::migrate_legacy_report(legacy).expect("migrated report");
        let path = report
            .pointer("/files/0/path")
            .and_then(Value::as_str)
            .expect("fixture path")
            .to_string();
        let file = report["files"]
            .as_array_mut()
            .expect("files")
            .iter_mut()
            .find(|file| file.get("path").and_then(Value::as_str) == Some(path.as_str()))
            .expect("selected file");
        file["overlays"]["verification"]["nearby_test_paths"] =
            json!(["tests/report_planning_contracts.rs"]);

        let payload = plan_payload(&report, PlanSelector::Path(path), 1).expect("plan");
        assert_eq!(
            payload.pointer("/proposed_slices/0/plan_type"),
            Some(&json!("intervention"))
        );
        assert_eq!(
            payload.pointer("/proposed_slices/0/verification/concrete_targets/0/nearby_tests"),
            Some(&json!(["tests/report_planning_contracts.rs"]))
        );
    }

    #[test]
    fn generated_targets_redirect_to_the_generator_without_score_reduction() {
        let legacy: Value = serde_json::from_str(include_str!(
            "../../../tests/fixtures/reports/relationship_focused_report.json"
        ))
        .expect("fixture report");
        let mut report = crate::report::migrate_legacy_report(legacy).expect("migrated report");
        let generated_path = report["files"][0]["path"]
            .as_str()
            .expect("generated path")
            .to_string();
        let generator_path = report["files"][1]["path"]
            .as_str()
            .expect("generator path")
            .to_string();
        report["files"][0]["classification"] = json!("generated");
        report["files"][0]["generated_from"] = json!([generator_path]);

        let payload = plan_payload(&report, PlanSelector::Path(generated_path), 1).expect("plan");
        let slice = &payload["proposed_slices"][0];
        assert_eq!(slice["plan_type"], "investigation");
        assert_eq!(slice["scope_paths"], report["files"][0]["generated_from"]);
        assert_eq!(
            slice["expected_outcome"]["target_top_slop_score"],
            Value::Null
        );
        assert!(
            slice["objective"]
                .as_str()
                .is_some_and(|value| value.contains("do not require a direct score reduction"))
        );
    }
}