Builds on merged PR-1..6. Operator runs this once at cutover to copy
agent_memories rows into the v2 plugin's storage.
Usage:
memory-backfill -dry-run # count + diff, no writes
memory-backfill -apply # actually copy
memory-backfill -apply -limit=10000 # cap rows per run
memory-backfill -apply -workspace=<uuid> # one workspace only
Required env: DATABASE_URL + MEMORY_PLUGIN_URL.
Translation matches the PR-6 legacy shim:
LOCAL → workspace:<workspace_id>
TEAM → team:<root_id> (resolved via the same namespace.Resolver
the runtime uses)
GLOBAL → org:<root_id>
Idempotent: each row is keyed by its UUID; re-running the backfill
does not duplicate writes (plugin handles deduplication).
What ships:
* cmd/memory-backfill/main.go: CLI entry, run() driver,
backfill() workhorse, mapScopeToNamespace + namespaceKindFromString
helpers
* main_test.go: 100% on the functional logic (mapScopeToNamespace,
namespaceKindFromString, backfill(), all CLI validation paths)
Coverage: 80.2% of statements. The 19.8% gap is main()'s body
(log.Fatalf — not unit-testable) and run()'s real-DB integration
(sql.Open + db.PingContext + new client/resolver — requires a live
postgres). Integration coverage for this path lives in PR-11
(E2E plugin-swap test).
Edge cases pinned (in functional logic):
* Every legacy scope → namespace mapping
* Unknown scope → skip with diagnostic, increment skipped counter
* Resolver error → propagate, abort run
* No-matching-kind in writable list → skip with error message
* Plugin UpsertNamespace error → increment errors, continue
* Plugin CommitMemory error → increment errors, continue
* Query error → propagate, abort
* Scan error → increment errors, continue
* Mid-iteration row error → propagate, abort
* Workspace filter passes through to SQL WHERE clause
* Dry-run mode never calls plugin
* CLI: rejects both/neither modes, missing env vars, bad flags
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