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Complete bounded recovery checks and reconcile blocked workplans

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Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a0e738-9e15-7600-87e6-90dec3a7beef
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research/evolution/EvolutionReport.md
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@ -1,6 +1,6 @@
# Language evolution report
Generated by `make evolution-report`; curated assessment date: 2026-09-27.
Generated by `make evolution-report`; curated assessment date: 2026-09-28.
This is an evidence profile, not a completion percentage. Evidence presence does not establish full-contract recurrence or production fitness.
@ -14,7 +14,7 @@ The baseline profiles are author-model assessments by Codex; they do not confer
| --- | ---: |
| documentary | 18 |
| static-code | 7 |
| runtime | 8 |
| runtime | 10 |
Categories overlap. Runtime includes authored fixtures and negative controls. Family labels group related evidence; they are not counts of independent applications.
@ -51,13 +51,13 @@ Ten selected retrospective outcomes (not a historical census), followed by prosp
| Outcome | Entries (not independent discoveries) |
| --- | ---: |
| corroboration | 4 |
| corroboration | 5 |
| inconclusive | 0 |
| merge | 0 |
| rejection | 0 |
| revision | 13 |
Cycles with recorded research effort: 6/17. Unknown effort is neither zero nor estimated from commits, tokens or assertion counts.
Cycles with recorded research effort: 7/18. Unknown effort is neither zero nor estimated from commits, tokens or assertion counts.
### Stream B / B-independent-navigation-source-v1
@ -76,6 +76,14 @@ One bounded question counts at most one consequential outcome. Corroboration and
One bounded question counts at most one consequential outcome. Corroboration and inconclusive work remain visible separately. Fewer than three comparable cycles: no trend assessment.
### Stream D / D-sqlite-git-recovery-v1
| Cycle | Outcome | Research minutes | Consequential outcome/hour |
| --- | --- | ---: | ---: |
| LEARN-0018 | corroboration | 4.123 | 0.00 |
One bounded question counts at most one consequential outcome. Corroboration and inconclusive work remain visible separately. Fewer than three comparable cycles: no trend assessment.
### Stream F / F-navigation-focus-v1
| Cycle | Outcome | Research minutes | Consequential outcome/hour |
@ -145,8 +153,9 @@ Define when a local change is durably accepted.
| --- | --- | --- | --- |
| documentary | Ink & Switch | Local-first motivation. | [LocalFirstEvidenceExpansion](../../research/reviews/LocalFirstEvidenceExpansion.md) |
| documentary | Joplin | Local storage and synchronization architecture. | [LocalFirstEvidenceExpansion](../../research/reviews/LocalFirstEvidenceExpansion.md) |
| runtime | authored SQLite / Git recovery fixture | SQLite WAL/FULL: pre-commit process kill rolls back; post-commit kill preserves document and outbox. No power-loss/backup proof. | [StorageReceiverRecovery](../../research/reviews/StorageReceiverRecovery.md) |
Open limits: No executed storage crash or backup test. Local acceptance is not off-device recovery.
Open limits: Process-kill recovery observed in SQLite fixture; power-loss, device-loss backup and full frontend contract remain unverified. Local acceptance is not off-device recovery.
Superseded by: none recorded.
@ -159,8 +168,9 @@ Keep accepted local intent visible until synchronization resolves.
| Evidence | Family | Scope | Review |
| --- | --- | --- | --- |
| documentary | Joplin | Per-item synchronization metadata. | [LocalFirstEvidenceExpansion](../../research/reviews/LocalFirstEvidenceExpansion.md) |
| runtime | authored SQLite / Git recovery fixture | SQLite atomic supersession/restart plus Git identity replay after lost local acknowledgement; one authored integration, no frontend recurrence. | [StorageReceiverRecovery](../../research/reviews/StorageReceiverRecovery.md) |
Open limits: Atomic supersession and retry contract proposed, not storage-tested.
Open limits: Atomic supersession observed in SQLite fixture; concurrent in-flight supersession, UI states and general receiver retention remain unverified.
Superseded by: none recorded.
@ -207,6 +217,7 @@ Reject an operation whose observed base is stale.
| documentary | Kubernetes | Conditional PUT; precise version mechanism. | [TransactionalEvidenceExpansion](../../research/reviews/TransactionalEvidenceExpansion.md) |
| documentary | GitLab | Optional last_commit_id; different failure surface. | [TransactionalEvidenceExpansion](../../research/reviews/TransactionalEvidenceExpansion.md) |
| runtime | authored release fixture | Related conditional activation-map mechanism in one process, not the full frontend pattern. | [ActivationConflictsAndReload](../../research/reviews/ActivationConflictsAndReload.md) |
| runtime | authored SQLite / Git recovery fixture | Actual Git receive-pack rejects a forced divergent branch update; related ancestry mechanism, not exact-version frontend semantics. | [StorageReceiverRecovery](../../research/reviews/StorageReceiverRecovery.md) |
Open limits: Distributed atomicity and complete frontend recurrence remain unverified. Refetch does not authorize overwriting conflicting intent.
@ -225,6 +236,7 @@ Retain operation identity when transport outcome is uncertain.
| static-code | Zulip | Pinned send/recovery state. | [FrontendRecoveryImplementations](../../research/reviews/FrontendRecoveryImplementations.md) |
| static-code | Element / Matrix | Pinned client and SDK transaction/echo paths. | [FrontendRecoveryImplementations](../../research/reviews/FrontendRecoveryImplementations.md) |
| runtime | Element / Matrix | Real SDK with synthetic transport: lost acknowledgement, identity reuse and authoritative echo. | [MatrixRecoveryExperiment](../../research/reviews/MatrixRecoveryExperiment.md) |
| runtime | authored SQLite / Git recovery fixture | Actual Git same-commit replay is a no-op, reachable identity survives GC, fresh identity repeats intent; no arbitrary operation ledger. | [StorageReceiverRecovery](../../research/reviews/StorageReceiverRecovery.md) |
Open limits: No production server deduplication or complete retention-window guarantee. Cancelling local UI is not remote compensation.
@ -645,3 +657,17 @@ Evidence: [ZulipTargetLookupCallPath](../../research/reviews/ZulipTargetLookupCa
Remaining uncertainty: Static source trace only; no application, database or upstream test executed, and no race actually reproduced. show() performs its own state reset on entry, so a stale re-entry's externally observable effect is unverified without execution. Second cycle in comparison group B-independent-navigation-source-v1; still short of three comparable cycles, and the workplan's rule against manufacturing cycles to reach that count still applies.
Supersedes: none recorded.
### LEARN-0018 — Which process-recovery obligations can SQLite plus actual Git receive-pack satisfy, and where does object identity fail to supply an operation receipt?
2026-09-28 · stream D · prospective · corroboration
Before: Atomic local intent/outbox updates and stable receiver identity support recovery within explicit transaction, ancestry and retention boundaries.
Conclusion: Nine checks corroborate atomic SQLite process recovery, Git replay and server ancestry refusal; split-transaction and fresh-identity negative controls retain the limits. One authored integration, not a full frontend use.
Evidence: [StorageReceiverRecovery](../../research/reviews/StorageReceiverRecovery.md), [result](../../research/experiments/storage-receiver/result.json), [2026-09-28-storage-receiver-effort](../../research/evolution/cycles/2026-09-28-storage-receiver-effort.json).
Remaining uncertainty: Power-loss, device-loss backup, remote durability and arbitrary operation-ID retention remain unverified. No full frontend contract, independent human validation or M1/M2/M3 acceptance. New runtime group is not comparable with static studies; no learning trend.
Supersedes: none recorded.