docs: purge chain-of-thought leakage from prose
Delete design-session citations (decision/audit/plan ordinals, stack positions), change narration, review choreography, and reviewer-addressed justification from comments, JSDoc, docs, READMEs, Agent Notes, tests, and generator templates; restate every affected fact as current-state contract prose. Fix generated docs at their sources and regenerate the catalogs and cordis-surface regions; re-paste type-equiv blocks; update every bilingual counterpart and re-record the pairs. Record the citation rule in the committed-artifact-citations Agent Note.
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@@ -8,7 +8,7 @@ SQLite backend for the [storage hub](../storage/README.md): registers as backend
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Document-per-row: each unit table becomes a physical `"u_<unit>_<table>" (key TEXT PRIMARY KEY, value TEXT)` STRICT table whose `value` is the record's JSON text, so one key updates one row (the reason to route a high-churn domain here instead of the JSON backend). Unit identity lives in two metadata tables — `units` stamps each unit's format version at first open and rejects a differing descriptor with `version-mismatch`; `unit_globals` holds each unit's global singleton row. The physical layout version lives in `PRAGMA user_version`; any other stamped value rejects (unreleased format, no migrations). Unit and table names are validated against the hub's `UNIT_NAME_RE` before they reach DDL, so no external input is ever interpolated into SQL identifiers.
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Every write primitive is a single prepared statement — SQLite's per-statement atomicity satisfies the KV contract without explicit transactions, and write ordering stays the caller's responsibility (the domain layer's write chain). Missing directories and database files are created owner-only (`0o700`/`0o600`), matching the session-persistence SQLite backend, whose open sequence this package copies verbatim until the planned media-layer extraction.
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Every write primitive is a single prepared statement — SQLite's per-statement atomicity satisfies the KV contract without explicit transactions, and write ordering stays the caller's responsibility (the domain layer's write chain). Missing directories and database files are created owner-only (`0o700`/`0o600`), matching the session-persistence SQLite backend.
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## Configuration (schemastery)
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@@ -38,6 +38,6 @@ None — the backend never touches live request prefixes.
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## Known Limitations and Deferred Work
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- **`DatabaseSync` is synchronous** — each write blocks the event loop for its (single-statement) duration; acceptable at domain-data scale.
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- **No busy-wait or retry policy** — another connection holding a write transaction rejects the operation immediately; multi-process write protection is on the design's future-work list.
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- **No busy-wait or retry policy** — another connection holding a write transaction rejects the operation immediately; there is no multi-process write protection.
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- **Only the current `STORAGE_SQLITE_SCHEMA_VERSION` opens** — any other stamped version is rejected rather than migrated (pre-release stance).
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- **`openDatabase` duplicates the session-persistence SQLite open sequence** — extraction into a shared media layer is deferred to the planned session-backend migration (see the Agent Note's reuse audit).
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