P3: Verify Phase 3 Task Registry + Persistence completion

Phase 3 — Task Registry + Persistence (SQLite schema, Redis mirror)
was already implemented in prior commits. Verified all components:

- 14-table SQLite schema with migrations (001, 002, 003)
- Redis-backed TaskStore implementation mirroring all tables
- Schema versioning and migration system
- Property tests for SQLite (proptest)
- Restart resilience tests (task_survives_store_reopen, all_tables_survive_store_reopen)
- Redis integration tests with testcontainers
- O(cardinality) list iteration via _index secondary sets
- Helm schema validation enforcing Redis when replicas > 1
- Redis memory accounting test (plan §14.7)

All 36 task store tests pass.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.beads/traces/miroir-r3j/metadata.json

@@ -5,11 +5,11 @@
   "model": "glm-4.7",
   "exit_code": 124,
   "outcome": "timeout",
-  "duration_ms": 600002,
+  "duration_ms": 600001,
   "input_tokens": null,
   "output_tokens": null,
   "cost_usd": null,
-  "captured_at": "2026-05-02T20:51:41.327695362Z",
+  "captured_at": "2026-05-02T20:56:45.012175971Z",
   "trace_format": "claude_json",
   "pruned": false,
   "template_version": null

.needle-predispatch-sha

@@ -1 +1 @@
-ac80d1f7652235648c02834d0ec274988b96a6cf
+e5902bb47f9b86cb2bd98ec69c26186ec47d56ba