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

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## [Unreleased]
 
+---
+
+## [3.6.5] — 2026-04-12
 
 ### ✨ New Features
 

docs/openapi.yaml

@@ -1,7 +1,7 @@
 openapi: 3.1.0
 info:
   title: OmniRoute API
-  version: 3.6.4
+  version: 3.6.5
   description: |
     OmniRoute is a local-first AI API proxy router. It provides an OpenAI-compatible
     endpoint that routes requests to multiple AI providers with load balancing,

electron/package.json

@@ -1,6 +1,6 @@
 {
   "name": "omniroute-desktop",
-  "version": "3.6.4",
+  "version": "3.6.5",
   "description": "OmniRoute Desktop Application",
   "main": "main.js",
   "author": {

open-sse/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@omniroute/open-sse",
-  "version": "3.6.4",
+  "version": "3.6.5",
   "description": "Express SSE sidecar for OmniRoute — handles streaming, protocol translation, and provider orchestration",
   "type": "module",
   "main": "index.js",

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"
     }
   }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "omniroute",
-  "version": "3.6.4",
+  "version": "3.6.5",
   "description": "Smart AI Router with auto fallback — route to FREE & cheap models, zero downtime. Works with Cursor, Cline, Claude Desktop, Codex, and any OpenAI-compatible tool.",
   "type": "module",
   "bin": {