feat: Enhanced license activation with OS metadata for better device identification

- Added OS type (macos/windows/linux) and version to license activation/validation API calls
- Now sends app version during license activation for version tracking
- Improved device identification for license management dashboard
- Uses sysinfo::System for OS version detection
- Compile-time platform detection for OS type

Backend changes:
- Updated activate_license to include app_version parameter
- Modified API client to send osType and osVersion metadata
- Consistent metadata sending for both activation and validation

Frontend changes:
- Updated AudioUploadSection test for improved coverage
- Enhanced OverviewTab with better UI components

Misc:
- Updated Tauri configuration
- Cleaned up obsolete documentation files

Author: moinulmoin

.claude/settings.local.json

@@ -20,7 +20,10 @@
       "Bash(pnpm audit:*)"
     ],
     "deny": [],
-    "defaultMode": "acceptEdits"
+    "defaultMode": "acceptEdits",
+    "additionalDirectories": [
+      "/Users/moinulmoin/Developer/oss/voicetypr-web"
+    ]
   },
   "hooks": {
     "PreToolUse": [