chore(release): v3.6.5 — Claude Code native parity, Antigravity credit fallback, 5 community PRs

## New Features
- Claude Code Native Parity: CCH xxHash64 signing, TitleCase tool remapping,
  API constraint enforcement (PR #1188 — @RaviTharuma)
- Antigravity AI Credits Fallback: auto-retry with GOOGLE_ONE_AI credit
  injection on quota exhaustion (PR #1190 — @sFaxsy)
- Per-Connection Codex Defaults (PR #1176 — @rdself)
- xxhash-wasm dependency for CCH signing

## Bug Fixes
- Search cache coalescing with TTL=0 (PR #1178 — @sjhddh)
- Antigravity credit cache key alignment (PR #1190)
- Codex combo smoke test false positives (PR #1176)
- Electron NODE_PATH resolution on Windows (PR #1172 — @backryun)
- CC-compatible test assertion fix (billing header cache_control)

## Breaking Changes
- DELETE /api/settings/codex-service-tier removed (PR #1176)
- CCH signing on CC-compatible providers

Tests: 2770/2770 passing

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "omniroute",
-  "version": "3.6.4",
+  "version": "3.6.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "omniroute",
-      "version": "3.6.4",
+      "version": "3.6.5",
       "hasInstallScript": true,
       "license": "MIT",
       "workspaces": [
@@ -20962,7 +20962,7 @@
     },
     "open-sse": {
       "name": "@omniroute/open-sse",
-      "version": "3.6.4"
+      "version": "3.6.5"
     }
   }
 }