P3: Verify Phase 3 Task Registry + Persistence completion

Verify that all 14 tables are implemented for both SQLite and Redis
backends with proper migrations, testing, and HA validation.

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

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

@@ -3,13 +3,13 @@
   "agent": "claude-code-glm-4.7",
   "provider": "zai",
   "model": "glm-4.7",
-  "exit_code": 0,
-  "outcome": "success",
-  "duration_ms": 34317,
+  "exit_code": 124,
+  "outcome": "timeout",
+  "duration_ms": 600002,
   "input_tokens": null,
   "output_tokens": null,
   "cost_usd": null,
-  "captured_at": "2026-05-02T21:48:05.651247827Z",
+  "captured_at": "2026-05-02T21:53:52.542547855Z",
   "trace_format": "claude_json",
   "pruned": false,
   "template_version": null

.needle-predispatch-sha

@@ -1 +1 @@
-17c5297e54bbe6ab8ca16049b36f0d930f966a70
+08e30e9b3f77432e059c0af84130e64a44d34e36