chore(release): prepare v3.8.3

- Bump version to 3.8.3 in package.json, Cargo.toml, tauri.conf.json
- Add CHANGELOG entry for v3.8.3 with new features, fixes and changes

src-tauri/Cargo.lock

@@ -618,7 +618,7 @@ dependencies = [
 
 [[package]]
 name = "cc-switch"
-version = "3.8.2"
+version = "3.8.3"
 dependencies = [
  "anyhow",
  "auto-launch",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cc-switch"
-version = "3.8.2"
+version = "3.8.3"
 description = "All-in-One Assistant for Claude Code, Codex & Gemini CLI"
 authors = ["Jason Young"]
 license = "MIT"

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "CC Switch",
-  "version": "3.8.2",
+  "version": "3.8.3",
   "identifier": "com.ccswitch.desktop",
   "build": {
     "frontendDist": "../dist",