feat(governance): add inst_062 for weekly GitHub README review requirement

NEW GOVERNANCE RULE:
- ID: inst_062
- Text: "GitHub README.md must be reviewed weekly and 'Last Updated' date updated when material changes occur"
- Quadrant: OPERATIONAL
- Persistence: HIGH
- Temporal Scope: PERMANENT

RATIONALE:
GitHub README is the primary external interface for implementers.
World-class open source projects maintain current, accurate README files.

MATERIAL CHANGES (require date update):
- Service additions/removals
- Architecture changes
- Status updates
- Documentation links
- Critical corrections

NON-MATERIAL CHANGES (no date update):
- Typos
- Formatting
- Minor clarifications

VERSION: 3.4 → 3.5
ACTIVE INSTRUCTIONS: 52 → 53

🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>

.claude/instruction-history.json

@@ -1,6 +1,6 @@
 {
-  "version": "3.4",
-  "last_updated": "2025-10-20T22:25:51.007Z",
+  "version": "3.5",
+  "last_updated": "2025-10-21T05:38:05.001Z",
   "description": "Persistent instruction database for Tractatus framework governance",
   "instructions": [
     {
@@ -2003,19 +2003,39 @@
       },
       "active": true,
       "notes": "User feedback: Having to repeatedly answer hook prompts after selecting option 2 is unacceptable. Framework must respect session-level approvals."
+    },
+    {
+      "id": "inst_062",
+      "text": "GitHub README.md must be reviewed weekly and 'Last Updated' date updated when material changes occur",
+      "timestamp": "2025-10-21T05:38:05.001Z",
+      "quadrant": "OPERATIONAL",
+      "persistence": "HIGH",
+      "temporal_scope": "PERMANENT",
+      "verification_required": "MANDATORY",
+      "explicitness": 0.9,
+      "source": "governance_decision",
+      "session_id": "2025-10-21",
+      "parameters": {
+        "file": "README.md",
+        "review_frequency": "weekly",
+        "update_trigger": "material_changes",
+        "priority": "high"
+      },
+      "active": true,
+      "notes": "GitHub README is primary external interface - must be world-class and current. Material changes include: service additions/removals, architecture changes, status updates, documentation links, or critical corrections. Minor fixes (typos, formatting) don't require date update."
     }
   ],
   "stats": {
-    "total_instructions": 52,
-    "active_instructions": 52,
+    "total_instructions": 53,
+    "active_instructions": 53,
     "by_quadrant": {
       "SYSTEM": 18,
       "STRATEGIC": 11,
-      "OPERATIONAL": 20,
+      "OPERATIONAL": 21,
       "TACTICAL": 3
     },
     "by_persistence": {
-      "HIGH": 49,
+      "HIGH": 50,
       "MEDIUM": 2,
       "LOW": 1
     }