feat: expand multiplayer, chat, and release support

- add network NPC synchronization and dialogue interactions
- add world bulletin publishing and display
- improve authentication, session refresh, and appearance sync
- synchronize player direction and movement animations
- improve input focus and progressive Web loading
- add macOS/Windows builds and deployment configuration
- include required fonts, shaders, and runtime assets

.gitignore

@@ -36,6 +36,8 @@ Godot/
 *.log
 *.tmp
 *.temp
+/tmp/
+/.playwright-cli/
 
 # Build outputs
 build/
@@ -51,6 +53,7 @@ dist/
 
 # Credentials and local secrets
 secrets/
+/.secrets/
 *.pem
 *.key
 *.p12