infra: Allegro self-improvement operational files

Creates the foundational state-tracking and validation infrastructure
for Epic #842 (Allegro Self-Improvement).

Files added:
- allegro-wake-checklist.md — real state check on every wakeup
- allegro-lane.md — lane boundaries and empty-lane protocol
- allegro-cycle-state.json — crash recovery and multi-cycle tracking
- allegro-hands-off-registry.json — 24-hour locks on STOPPED/FINE entities
- allegro-failure-log.md — verbal reflection on failures
- allegro-handoff-template.md — validated deliverables and context handoffs
- burn-mode-validator.py — end-of-cycle scoring script (6 criteria)

Sub-issues created: #843 #844 #845 #846 #847 #848 #849 #850

fleet/allegro/allegro-hands-off-registry.json

@@ -0,0 +1,18 @@
+{
+  "version": 1,
+  "last_updated": "2026-04-05T21:17:00Z",
+  "locks": [
+    {
+      "entity": "ezra-config",
+      "reason": "Stop command issued after Ezra config incident. Explicit 'hands off' from commander.",
+      "locked_at": "2026-04-05T21:17:00Z",
+      "expires_at": "2026-04-06T21:17:00Z",
+      "unlocked_by": null
+    }
+  ],
+  "rules": {
+    "default_lock_duration_hours": 24,
+    "auto_extend_on_stop": true,
+    "require_explicit_unlock": true
+  }
+}