Fix uvicorn logging for PyInstaller, update gitignore

.gitignore

@@ -9,3 +9,17 @@ backend/venv/
 backend/data/
 .claude/
 CLAUDE.md
+
+# Desktop build artifacts
+desktop/backend-dist/
+desktop/dist/
+desktop/node_modules/
+
+# Installer build artifacts
+installer/build/
+installer/dist/
+
+# PyInstaller
+*.spec.bak
+__pycache__/
+*.pyc

backend/run_server.py

@@ -4,8 +4,14 @@ import sys
 
 # Set base path for PyInstaller
 if getattr(sys, 'frozen', False):
-    # Running as compiled
     os.chdir(os.path.dirname(sys.executable))
+    # Fix uvicorn TTY detection — sys.stdin/stdout/stderr are None when frozen
+    if sys.stdin is None:
+        sys.stdin = open(os.devnull, 'r')
+    if sys.stdout is None:
+        sys.stdout = open(os.devnull, 'w')
+    if sys.stderr is None:
+        sys.stderr = open(os.devnull, 'w')
 
 import uvicorn
 from app.main import app
@@ -18,5 +24,6 @@ if __name__ == '__main__':
         app,
         host=host,
         port=port,
-        log_level='info',
+        log_level='warning',
+        access_log=False,
     )