Initial commit: Alfred Proxy with OAuth, TTS, and FCM push notifications

- Environment-based configuration (no hardcoded secrets)
- OAuth authentication via Authentik
- ElevenLabs TTS integration via SAG CLI
- FCM push notification support
- User preferences sync system
- Multi-user support with per-user context files
- No internal IPs or service accounts in tracked files

open-firewall.bat

@@ -0,0 +1,21 @@
+@echo off
+REM Open Windows Firewall for Alfred Proxy
+REM Right-click this file and select "Run as administrator"
+
+echo Opening firewall for Alfred Proxy (port 18790)...
+
+netsh advfirewall firewall delete rule name="Alfred Proxy" >nul 2>&1
+netsh advfirewall firewall add rule name="Alfred Proxy" dir=in action=allow protocol=TCP localport=18790
+
+if %errorlevel% equ 0 (
+    echo.
+    echo SUCCESS: Firewall rule created!
+    echo Port 18790 is now open for incoming connections
+) else (
+    echo.
+    echo ERROR: Failed to create firewall rule
+    echo Make sure you ran this as Administrator
+)
+
+echo.
+pause