fix(cache): add cache-busting version to interactive-diagram.js

SUMMARY:
Added version query string to interactive-diagram.js script tag to force
browser cache refresh for the SVG access fix.

CHANGES:
- Added ?v=20251019160000 to interactive-diagram.js script tag

IMPACT:
Users will now load the fixed JavaScript that properly accesses the SVG
via contentDocument fallback. Prevents stale cache issues.

🤖 Generated with Claude Code (https://claude.com/claude-code)

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

.claude/metrics/hooks-metrics.json

@@ -4290,6 +4290,13 @@
       "file": "/home/theflow/projects/tractatus/public/js/components/interactive-diagram.js",
       "result": "passed",
       "reason": null
+    },
+    {
+      "hook": "validate-file-edit",
+      "timestamp": "2025-10-19T02:58:13.049Z",
+      "file": "/home/theflow/projects/tractatus/public/architecture.html",
+      "result": "passed",
+      "reason": null
     }
   ],
   "blocks": [
@@ -4517,9 +4524,9 @@
     }
   ],
   "session_stats": {
-    "total_edit_hooks": 428,
+    "total_edit_hooks": 429,
     "total_edit_blocks": 32,
-    "last_updated": "2025-10-19T02:56:44.199Z",
+    "last_updated": "2025-10-19T02:58:13.049Z",
     "total_write_hooks": 185,
     "total_write_blocks": 5
   }

public/architecture.html

@@ -509,7 +509,7 @@
   <script src="/js/scroll-animations.js"></script>
 
   <!-- Interactive Architecture Diagram (Phase 3) -->
-  <script src="/js/components/interactive-diagram.js"></script>
+  <script src="/js/components/interactive-diagram.js?v=20251019160000"></script>
 
   <!-- Footer Component -->
   <script src="/js/components/footer.js"></script>