docs: update README and CLAUDE.md to v2.2.0

- Added documentation for audit tracking (IP address, invocation method).
- Updated database model descriptions for enhanced WorkOrder and Conversation fields.
- Documented the new UnifiedConfig system.
- Reflected enhanced logging transparency for knowledge base parsing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.claude/settings.local.json

@@ -1,8 +1,6 @@
 {
   "permissions": {
-    "allow": [
-      "Bash(curl:*)"
-    ],
+    "allow": [],
     "deny": [],
     "ask": []
   }