feat(release): v1.7.5 — OAuth re-auth duplicate fix (#170)

- Fixed OAuth re-auth creating duplicate connections instead of updating existing ones
- CHANGELOG.md updated with v1.7.5 section
- Version bumped to 1.7.5

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ---
 
+## [1.7.5] — 2026-03-02
+
+### 🐛 Bug Fixes
+
+- **OAuth Re-Auth Duplicate Fix** — Re-authenticating an expired OAuth connection now updates the existing connection instead of creating a duplicate entry. When re-auth is triggered, the system matches by `provider` + `email` + `authType` and refreshes tokens in-place. Fixes #170
+
 ## [1.7.4] — 2026-03-01
 
 ### ✨ New Features

package.json

@@ -1,6 +1,6 @@
 {
   "name": "omniroute",
-  "version": "1.7.4",
+  "version": "1.7.5",
   "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": {