eidetic-engine 0.17.0

Durable, local-first, explainable memory for coding agents.
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
//! Schema-driven admission and publication fence for portable backup recovery.
//!
//! The authenticated archive describes the expected state; it cannot decide
//! which durable tables the current binary is allowed to omit. Count actual
//! rows in the unpublished database, not vectors passed to individual writers.

use std::collections::{BTreeMap, BTreeSet};
use std::path::Path;

use serde_json::Value;

use crate::db::{DatabaseConfig, DbConnection};
use crate::models::DomainError;

use super::BackupTablePolicy;

#[path = "backup_history_recovery.rs"]
mod history;
pub(super) use history::HistoryExpectation;

#[path = "backup_scope.rs"]
mod scope;
pub(super) use scope::{count_rows, reconcile_primary};

#[cfg(test)]
#[path = "backup_typed_memory_recovery_tests.rs"]
mod typed_memory_tests;

// One registry owns both capture policy and restore obligations. Rebuildable
// indexes, host credentials, locks and migration metadata deliberately do not
// appear here. Empty durable tables still need an explicit inventory entry.
const REQUIRED_TABLES: &[(&str, &str, &str)] = &[
    ("workspaces", "maintain", "authenticated_manifest"),
    ("memories", "retrieve", "records_jsonl"),
    ("memory_tags", "retrieve", "records_jsonl"),
    ("memory_links", "retrieve", "records_jsonl"),
    ("attempt_families", "learn", "records_jsonl"),
    ("attempt_family_members", "learn", "records_jsonl"),
    ("audit_log", "maintain", "derived_artifact_restore"),
    ("task_episodes", "learn", "derived_artifact_restore"),
    ("journal_entries", "maintain", "derived_artifact_restore"),
    ("search_index_jobs", "maintain", "derived_artifact_restore"),
    ("recorder_runs", "maintain", "derived_artifact_restore"),
    ("recorder_events", "maintain", "derived_artifact_restore"),
    ("rch_verify_runs", "maintain", "derived_artifact_restore"),
    ("error_fingerprints", "maintain", "derived_artifact_restore"),
    ("error_repair_links", "maintain", "derived_artifact_restore"),
    ("artifacts", "maintain", "derived_artifact_restore"),
    ("artifact_links", "maintain", "derived_artifact_restore"),
    ("rationale_traces", "maintain", "derived_artifact_restore"),
    (
        "rationale_trace_links",
        "maintain",
        "derived_artifact_restore",
    ),
    ("causal_evidence", "maintain", "derived_artifact_restore"),
    ("agents", "maintain", "derived_artifact_restore"),
    ("certificates", "maintain", "derived_artifact_restore"),
    ("memory_seals", "maintain", "derived_artifact_restore"),
    ("trust_quarantine", "maintain", "derived_artifact_restore"),
    ("procedural_rules", "learn", "derived_artifact_restore"),
    ("rule_source_memories", "learn", "derived_artifact_restore"),
    ("rule_tags", "learn", "derived_artifact_restore"),
    ("feedback_events", "learn", "derived_artifact_restore"),
    (
        "agent_context_profiles",
        "learn",
        "derived_artifact_restore",
    ),
    ("debt_snapshots", "maintain", "derived_artifact_restore"),
    (
        "memory_sentinel_specs",
        "maintain",
        "derived_artifact_restore",
    ),
    (
        "reflection_request_ledger",
        "maintain",
        "derived_artifact_restore",
    ),
    ("situation_records", "maintain", "derived_artifact_restore"),
    (
        "tripwire_check_events",
        "maintain",
        "derived_artifact_restore",
    ),
    ("tripwires", "maintain", "derived_artifact_restore"),
    ("evidence_spans", "ingest", "derived_artifact_restore"),
    ("sessions", "ingest", "derived_artifact_restore"),
    ("import_ledger", "ingest", "derived_artifact_restore"),
    ("pack_baselines", "pack", "derived_artifact_restore"),
    (
        "pack_candidate_impressions",
        "pack",
        "derived_artifact_restore",
    ),
    ("pack_evidence_items", "pack", "derived_artifact_restore"),
    ("pack_items", "pack", "derived_artifact_restore"),
    ("pack_omissions", "pack", "derived_artifact_restore"),
    ("pack_records", "pack", "derived_artifact_restore"),
    ("curation_candidates", "learn", "derived_artifact_restore"),
    ("curation_ttl_policies", "learn", "derived_artifact_restore"),
    ("procedures", "learn", "derived_artifact_restore"),
    ("procedure_events", "learn", "derived_artifact_restore"),
    ("feedback_quarantine", "learn", "derived_artifact_restore"),
    ("learning_observations", "learn", "derived_artifact_restore"),
    ("outcome_evidence_rows", "learn", "derived_artifact_restore"),
    ("plan_recipes", "learn", "derived_artifact_restore"),
];

pub(super) fn required_table_policy(table: &str) -> Option<BackupTablePolicy> {
    REQUIRED_TABLES
        .iter()
        .find(|(name, _, _)| *name == table)
        .map(|(_, owner, coverage)| {
            BackupTablePolicy::new(owner, "export_restore_required", coverage)
        })
}

fn recovery_error(message: impl Into<String>) -> DomainError {
    DomainError::Import {
        message: message.into(),
        repair: Some(
            "Keep the backup and any staged files; inspect ee backup inspect <id-or-path> --json before retrying with a complete recovery point. The live store was not replaced."
                .to_owned(),
        ),
    }
}

fn storage_error(_: impl std::fmt::Display) -> DomainError {
    // SQL and filesystem errors may contain private data or host paths.
    recovery_error("Could not reconcile the unpublished restore with its durable inventory")
}

/// Source row counts accepted only after the caller authenticates the manifest.
/// A missing or explicitly partial inventory is not a complete recovery point.
pub(super) struct RestoreInventory {
    expected: BTreeMap<&'static str, u64>,
    source_audit_rows: u64,
}

impl RestoreInventory {
    pub(super) fn from_manifest(manifest: &Value) -> Result<Self, DomainError> {
        let inventory = manifest
            .get("recoveryInventory")
            .filter(|value| value.is_object())
            .ok_or_else(|| recovery_error("Backup is missing its durable recovery inventory"))?;
        if inventory.get("schema").and_then(Value::as_str)
            != Some("ee.backup.recovery_inventory.v1")
            || inventory
                .get("schemaCoverageComplete")
                .and_then(Value::as_bool)
                != Some(true)
            || inventory
                .get("snapshotCoverageComplete")
                .and_then(Value::as_bool)
                != Some(true)
            || [
                "uncoveredRequiredTableCount",
                "uncoveredRequiredRowCount",
                "unclassifiedTableCount",
            ]
            .iter()
            .any(|field| inventory.get(*field).and_then(Value::as_u64) != Some(0))
        {
            return Err(recovery_error(
                "Backup does not declare a complete, supported durable recovery inventory",
            ));
        }
        let rows = inventory
            .get("tables")
            .and_then(Value::as_array)
            .ok_or_else(|| recovery_error("Backup recovery inventory has no table array"))?;
        let mut by_table = BTreeMap::new();
        for row in rows {
            let name = row
                .get("table")
                .and_then(Value::as_str)
                .filter(|name| !name.is_empty())
                .ok_or_else(|| recovery_error("Backup recovery inventory has an invalid table"))?;
            if by_table.insert(name, row).is_some() {
                return Err(recovery_error("Backup recovery inventory repeats a table"));
            }
            let policy = super::backup_table_policy(name);
            if !policy.schema_covered()
                || row.get("disposition").and_then(Value::as_str) != Some(policy.disposition)
                || row.get("coverage").and_then(Value::as_str) != Some(policy.coverage)
            {
                // Do not echo an untrusted table name or let archive labels
                // turn a required table into a cache or rekeyed credential.
                return Err(recovery_error(
                    "Backup recovery inventory disagrees with the binary's table policy",
                ));
            }
        }

        let mut expected = BTreeMap::new();
        for &(name, _, _) in REQUIRED_TABLES {
            let row = by_table.get(name).ok_or_else(|| {
                recovery_error(format!(
                    "Backup recovery inventory is missing required table {name}"
                ))
            })?;
            let count = row.get("rowCount").and_then(Value::as_u64).ok_or_else(|| {
                recovery_error(format!("Backup recovery count is invalid for {name}"))
            })?;
            if count > i64::MAX as u64
                || row.get("schemaCovered").and_then(Value::as_bool) != Some(true)
                || row.get("snapshotCovered").and_then(Value::as_bool) != Some(true)
            {
                return Err(recovery_error(format!(
                    "Backup does not contain complete recoverable rows for {name}"
                )));
            }
            expected.insert(name, count);
        }
        if expected.get("workspaces") != Some(&1) {
            return Err(recovery_error(
                "Side-path recovery requires exactly one captured workspace",
            ));
        }
        let source_audit_rows = expected.remove("audit_log").ok_or_else(|| {
            recovery_error("Backup recovery inventory has no audit-history obligation")
        })?;
        Ok(Self {
            expected,
            source_audit_rows,
        })
    }

    pub(super) fn expected_audit_rows(&self) -> u64 {
        self.source_audit_rows
    }

    /// Run after every durable family is restored and before index rebuilding
    /// or publication. Rebuilding is allowed to change derived generations/job
    /// state; it must not hide an omitted recovery writer or missing chunk.
    pub(super) fn verify_database(
        &self,
        path: &Path,
        history: &HistoryExpectation,
    ) -> Result<(), DomainError> {
        let connection = DbConnection::open(DatabaseConfig::read_only_file(path.to_path_buf()))
            .map_err(storage_error)?;
        let verified = (|| {
            let snapshot = RecoveryReadSnapshot::begin(&connection)?;
            self.verify_rows(&connection)?;
            history.verify_connection(&connection)?;
            snapshot.finish()
        })();
        let closed = connection.close().map(|_| ()).map_err(storage_error);
        verified.and(closed)
    }

    #[cfg(test)]
    fn verify_connection(&self, connection: &DbConnection) -> Result<(), DomainError> {
        let snapshot = RecoveryReadSnapshot::begin(connection)?;
        self.verify_rows(connection)?;
        snapshot.finish()
    }

    fn verify_rows(&self, connection: &DbConnection) -> Result<(), DomainError> {
        let tables: BTreeSet<_> = connection
            .list_user_tables()
            .map_err(storage_error)?
            .into_iter()
            .collect();
        for (&table, &expected) in &self.expected {
            Self::check_table(connection, &tables, table, expected, false)?;
        }
        // restore_audit_history independently checks and restores the exact
        // captured audit rows. Import and recovery append new audit entries;
        // demanding equality would reject every otherwise correct restore.
        Self::check_table(
            connection,
            &tables,
            "audit_log",
            self.source_audit_rows,
            true,
        )?;
        Ok(())
    }

    fn check_table(
        connection: &DbConnection,
        tables: &BTreeSet<String>,
        table: &'static str,
        expected: u64,
        allow_additions: bool,
    ) -> Result<(), DomainError> {
        if !tables.contains(table) {
            return Err(recovery_error(format!(
                "Restored database is missing durable table {table}"
            )));
        }
        let actual = connection.count_table_rows(table).map_err(storage_error)?;
        let actual = u64::try_from(actual).map_err(storage_error)?;
        if actual != expected && !(allow_additions && actual > expected) {
            return Err(recovery_error(format!(
                "Restored durable row count differs for {table}: expected {expected}, found {actual}; the restored store was not published"
            )));
        }
        Ok(())
    }
}

/// Only release a snapshot that this check successfully acquired. This also
/// releases it on an early mismatch, a query failure, or unwinding.
struct RecoveryReadSnapshot<'a> {
    connection: &'a DbConnection,
    active: bool,
}

impl<'a> RecoveryReadSnapshot<'a> {
    fn begin(connection: &'a DbConnection) -> Result<Self, DomainError> {
        connection.begin_read_snapshot().map_err(storage_error)?;
        Ok(Self {
            connection,
            active: true,
        })
    }

    fn finish(mut self) -> Result<(), DomainError> {
        self.connection
            .commit_read_snapshot()
            .map_err(storage_error)?;
        self.active = false;
        Ok(())
    }
}

impl Drop for RecoveryReadSnapshot<'_> {
    fn drop(&mut self) {
        if self.active && self.connection.rollback_read_snapshot().is_err() {
            tracing::error!(
                target: "ee::backup::recovery",
                "failed to release durable recovery verification snapshot"
            );
        }
    }
}

#[cfg(test)]
mod tests {
    #![allow(clippy::expect_used, clippy::unwrap_used)]

    use super::*;
    use crate::db::{CreateAuditInput, CreateMemoryInput, CreateWorkspaceInput};
    use crate::models::{MemoryId, WorkspaceId};
    use serde_json::json;

    fn manifest() -> Value {
        let tables: Vec<_> = REQUIRED_TABLES
            .iter()
            .map(|&(table, owner, coverage)| {
                json!({
                    "table": table,
                    "owner": owner,
                    "disposition": "export_restore_required",
                    "coverage": coverage,
                    "rowCount": u64::from(table == "workspaces"),
                    "schemaCovered": true,
                    "snapshotCovered": true,
                })
            })
            .collect();
        json!({"recoveryInventory": {
            "schema": "ee.backup.recovery_inventory.v1",
            "schemaCoverageComplete": true,
            "snapshotCoverageComplete": true,
            "uncoveredRequiredTableCount": 0,
            "uncoveredRequiredRowCount": 0,
            "unclassifiedTableCount": 0,
            "tables": tables,
        }})
    }

    fn row_mut<'a>(manifest: &'a mut Value, table: &str) -> &'a mut Value {
        manifest["recoveryInventory"]["tables"]
            .as_array_mut()
            .unwrap()
            .iter_mut()
            .find(|row| row["table"] == table)
            .unwrap()
    }

    fn fixture() -> (tempfile::TempDir, DbConnection, std::path::PathBuf, String) {
        let root = tempfile::tempdir().unwrap();
        let path = root.path().join("restore.db");
        let db = DbConnection::open_file(&path).unwrap();
        db.migrate().unwrap();
        let workspace = WorkspaceId::from_uuid(uuid::Uuid::from_u128(17)).to_string();
        db.insert_workspace(
            &workspace,
            &CreateWorkspaceInput {
                path: root.path().to_string_lossy().into_owned(),
                name: None,
            },
        )
        .unwrap();
        (root, db, path, workspace)
    }

    fn seed_memory(db: &DbConnection, workspace: &str, number: u128) {
        db.insert_memory(
            &MemoryId::from_uuid(uuid::Uuid::from_u128(number)).to_string(),
            &CreateMemoryInput {
                workspace_id: workspace.to_owned(),
                content: "Run cargo fmt before release.".to_owned(),
                level: "procedural".to_owned(),
                kind: "rule".to_owned(),
                workflow_id: None,
                confidence: 0.9,
                utility: 0.5,
                importance: 0.5,
                trust_class: "human_explicit".to_owned(),
                trust_subclass: None,
                provenance_uri: Some("manual://recovery".to_owned()),
                tags: vec!["release".to_owned()],
                valid_from: None,
                valid_to: None,
            },
        )
        .unwrap();
    }

    fn manifest_for_database(db: &DbConnection) -> Value {
        let mut value = manifest();
        for &(table, _, _) in REQUIRED_TABLES {
            row_mut(&mut value, table)["rowCount"] = json!(db.count_table_rows(table).unwrap());
        }
        value
    }

    #[test]
    fn all_required_tables_have_one_capture_and_restore_policy() {
        let names: BTreeSet<_> = REQUIRED_TABLES.iter().map(|(name, _, _)| name).collect();
        assert_eq!(names.len(), REQUIRED_TABLES.len());
        for &(name, owner, coverage) in REQUIRED_TABLES {
            let policy = super::super::backup_table_policy(name);
            assert_eq!(policy.owner, owner);
            assert_eq!(policy.disposition, "export_restore_required");
            assert_eq!(policy.coverage, coverage);
        }
        assert!(RestoreInventory::from_manifest(&manifest()).is_ok());
    }

    #[test]
    fn missing_zero_row_tables_are_not_silently_treated_as_empty() {
        for &(table, _, _) in REQUIRED_TABLES {
            let mut value = manifest();
            value["recoveryInventory"]["tables"]
                .as_array_mut()
                .unwrap()
                .retain(|row| row["table"] != table);
            assert!(RestoreInventory::from_manifest(&value).is_err(), "{table}");
        }
    }

    #[test]
    fn summary_flags_do_not_override_a_missing_or_partial_family() {
        for field in ["schemaCovered", "snapshotCovered"] {
            let mut value = manifest();
            row_mut(&mut value, "procedural_rules")[field] = json!(false);
            assert!(RestoreInventory::from_manifest(&value).is_err());
        }
        for field in ["schemaCoverageComplete", "snapshotCoverageComplete"] {
            let mut value = manifest();
            value["recoveryInventory"][field] = json!(false);
            assert!(RestoreInventory::from_manifest(&value).is_err());
        }
        for field in [
            "uncoveredRequiredTableCount",
            "uncoveredRequiredRowCount",
            "unclassifiedTableCount",
        ] {
            let mut value = manifest();
            value["recoveryInventory"][field] = json!(1);
            assert!(RestoreInventory::from_manifest(&value).is_err());
        }
    }

    #[test]
    fn archive_labels_cannot_exempt_durable_rows() {
        for (field, replacement) in [
            ("disposition", "derived_rebuildable"),
            ("disposition", "secret_rekeyed"),
            ("coverage", "rebuild_on_restore"),
        ] {
            let mut value = manifest();
            row_mut(&mut value, "pack_items")[field] = json!(replacement);
            assert!(RestoreInventory::from_manifest(&value).is_err());
        }
    }

    #[test]
    fn duplicate_tables_and_malformed_counts_are_rejected() {
        let mut duplicate = manifest();
        let row = row_mut(&mut duplicate, "sessions").clone();
        duplicate["recoveryInventory"]["tables"]
            .as_array_mut()
            .unwrap()
            .push(row);
        assert!(RestoreInventory::from_manifest(&duplicate).is_err());
        for count in [
            json!(null),
            json!(-1),
            json!(1.5),
            json!("1"),
            json!(u64::MAX),
        ] {
            let mut value = manifest();
            row_mut(&mut value, "evidence_spans")["rowCount"] = count;
            assert!(RestoreInventory::from_manifest(&value).is_err());
        }
    }

    #[test]
    fn missing_schema_and_multi_workspace_archives_are_not_complete_side_path_restores() {
        assert!(RestoreInventory::from_manifest(&json!({})).is_err());
        let mut value = manifest();
        value["recoveryInventory"]["schema"] = json!("unknown");
        assert!(RestoreInventory::from_manifest(&value).is_err());
        for count in [0, 2] {
            let mut value = manifest();
            row_mut(&mut value, "workspaces")["rowCount"] = json!(count);
            assert!(RestoreInventory::from_manifest(&value).is_err());
        }
    }

    #[test]
    fn intentionally_rekeyed_or_rebuilt_state_is_not_required_to_round_trip() {
        let mut value = manifest();
        for table in ["mesh_peers", "graph_snapshots", "workspace_generations"] {
            let policy = super::super::backup_table_policy(table);
            value["recoveryInventory"]["tables"]
                .as_array_mut()
                .unwrap()
                .push(json!({
                    "table": table,
                    "owner": policy.owner,
                    "disposition": policy.disposition,
                    "coverage": policy.coverage,
                    "rowCount": 25,
                    "schemaCovered": true,
                    "snapshotCovered": true,
                }));
        }
        let plan = RestoreInventory::from_manifest(&value).unwrap();
        assert!(!plan.expected.contains_key("mesh_peers"));
        assert!(!plan.expected.contains_key("graph_snapshots"));
        assert!(!plan.expected.contains_key("workspace_generations"));
    }

    #[test]
    fn diagnostics_do_not_echo_untrusted_inventory_names() {
        let mut value = manifest();
        row_mut(&mut value, "memories")["table"] = json!("/home/private/recovery-canary");
        let error = RestoreInventory::from_manifest(&value).err().unwrap();
        assert!(!error.message().contains("recovery-canary"));
        assert!(!error.message().contains("/home/private"));
    }

    #[test]
    fn real_migrated_store_contains_every_required_table() {
        let (_root, db, _path, _workspace) = fixture();
        let tables: BTreeSet<_> = db.list_user_tables().unwrap().into_iter().collect();
        for &(table, _, _) in REQUIRED_TABLES {
            assert!(tables.contains(table), "{table}");
        }
        let plan = RestoreInventory::from_manifest(&manifest_for_database(&db)).unwrap();
        plan.verify_connection(&db).unwrap();
    }

    #[test]
    fn real_store_omission_and_surplus_fail_but_exact_memory_and_tag_counts_pass() {
        let (_source_root, source, _source_path, source_workspace) = fixture();
        seed_memory(&source, &source_workspace, 1);
        let plan = RestoreInventory::from_manifest(&manifest_for_database(&source)).unwrap();
        let (_target_root, target, _target_path, target_workspace) = fixture();
        assert!(plan.verify_connection(&target).is_err());
        seed_memory(&target, &target_workspace, 1);
        plan.verify_connection(&target).unwrap();
        seed_memory(&target, &target_workspace, 2);
        assert!(plan.verify_connection(&target).is_err());
        // An early mismatch must not leave the connection pinned.
        target.begin_read_snapshot().unwrap();
        target.rollback_read_snapshot().unwrap();
    }

    #[test]
    fn missing_rule_family_is_detected_even_when_memory_recovery_succeeded() {
        let (_root, db, _path, workspace) = fixture();
        seed_memory(&db, &workspace, 1);
        let mut value = manifest_for_database(&db);
        row_mut(&mut value, "procedural_rules")["rowCount"] = json!(1);
        let plan = RestoreInventory::from_manifest(&value).unwrap();
        let error = plan.verify_connection(&db).err().unwrap();
        assert!(error.message().contains("procedural_rules"));
        assert!(error.message().contains("expected 1, found 0"));
    }

    #[test]
    fn restore_audit_additions_are_allowed_but_missing_source_audits_are_not() {
        let (_root, db, _path, workspace) = fixture();
        let empty = RestoreInventory::from_manifest(&manifest_for_database(&db)).unwrap();
        db.insert_audit(
            &crate::db::generate_audit_id(),
            &CreateAuditInput {
                workspace_id: Some(workspace),
                actor: Some("ee backup restore".to_owned()),
                action: "backup.restore".to_owned(),
                target_type: None,
                target_id: None,
                details: None,
            },
        )
        .unwrap();
        empty.verify_connection(&db).unwrap();
        let mut missing = manifest_for_database(&db);
        let actual = db.count_table_rows("audit_log").unwrap();
        row_mut(&mut missing, "audit_log")["rowCount"] = json!(actual + 1);
        assert!(
            RestoreInventory::from_manifest(&missing)
                .unwrap()
                .verify_connection(&db)
                .is_err()
        );
    }

    #[test]
    fn caller_owned_snapshot_is_not_rolled_back_on_nested_begin_failure() {
        let (_root, db, _path, _workspace) = fixture();
        let plan = RestoreInventory::from_manifest(&manifest_for_database(&db)).unwrap();
        db.begin_read_snapshot().unwrap();
        assert!(plan.verify_connection(&db).is_err());
        db.commit_read_snapshot().unwrap();
    }

    #[test]
    fn file_verification_reopens_read_only_and_does_not_change_memories() {
        let (root, db, path, workspace) = fixture();
        seed_memory(&db, &workspace, 1);
        let before = db.list_memories(&workspace, None, true).unwrap();
        let plan = RestoreInventory::from_manifest(&manifest_for_database(&db)).unwrap();
        // This unit test starts after archive authentication. Even an otherwise
        // empty database has durable migration-seeded TTL policies, so capture
        // them explicitly rather than letting destination defaults stand in for
        // archived state. Real authenticated restores are exercised separately.
        let chunk = crate::core::backup::BackupCurationHistory {
            schema: crate::core::backup::CURATION_HISTORY_SCHEMA.to_owned(),
            backup_id: "backup-empty".to_owned(),
            workspace_id: workspace.clone(),
            chunk_index: 0,
            chunk_count: 1,
            candidates: Vec::new(),
            policies: db.list_curation_ttl_policies().unwrap(),
            authentication: None,
        };
        assert!(!chunk.policies.is_empty());
        let captured = root.path().join("curation-history.json");
        std::fs::write(&captured, serde_json::to_vec(&chunk).unwrap()).unwrap();
        let asset = crate::core::backup::BackupRestoredDerivedAssetReport {
            path: "curation-history.json".to_owned(),
            kind: "curation_history".to_owned(),
            restore_path: captured.to_string_lossy().into_owned(),
            lab_episode_path: None,
        };
        let history = HistoryExpectation::from_assets(
            &[asset],
            "backup-empty",
            &db.get_workspace(&workspace).unwrap().unwrap(),
        )
        .unwrap();
        db.close().unwrap();
        plan.verify_database(&path, &history).unwrap();
        let reopened = DbConnection::open_file(&path).unwrap();
        assert_eq!(
            before,
            reopened.list_memories(&workspace, None, true).unwrap()
        );
    }

    #[test]
    fn migration_defaults_cannot_substitute_for_missing_captured_policy_history() {
        let (_root, db, path, workspace) = fixture();
        let before = db.list_curation_ttl_policies().unwrap();
        assert!(!before.is_empty());
        let plan = RestoreInventory::from_manifest(&manifest_for_database(&db)).unwrap();
        let history = HistoryExpectation::from_assets(
            &[],
            "backup-empty",
            &db.get_workspace(&workspace).unwrap().unwrap(),
        )
        .unwrap();
        db.close().unwrap();
        let error = plan.verify_database(&path, &history).unwrap_err();
        assert!(error.message().contains("curation_ttl_policies"));
        let reopened = DbConnection::open_file(&path).unwrap();
        assert_eq!(before, reopened.list_curation_ttl_policies().unwrap());
    }
}