Initial commit: Local Transcription App v1.0

Phase 1 Complete - Standalone Desktop Application

Features:
- Real-time speech-to-text with Whisper (faster-whisper)
- PySide6 desktop GUI with settings dialog
- Web server for OBS browser source integration
- Audio capture with automatic sample rate detection and resampling
- Noise suppression with Voice Activity Detection (VAD)
- Configurable display settings (font, timestamps, fade duration)
- Settings apply without restart (with automatic model reloading)
- Auto-fade for web display transcriptions
- CPU/GPU support with automatic device detection
- Standalone executable builds (PyInstaller)
- CUDA build support (works on systems without CUDA hardware)

Components:
- Audio capture with sounddevice
- Noise reduction with noisereduce + webrtcvad
- Transcription with faster-whisper
- GUI with PySide6
- Web server with FastAPI + WebSocket
- Configuration system with YAML

Build System:
- Standard builds (CPU-only): build.sh / build.bat
- CUDA builds (universal): build-cuda.sh / build-cuda.bat
- Comprehensive BUILD.md documentation
- Cross-platform support (Linux, Windows)

Documentation:
- README.md with project overview and quick start
- BUILD.md with detailed build instructions
- NEXT_STEPS.md with future enhancement roadmap
- INSTALL.md with setup instructions

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

main.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+"""
+Local Transcription Application
+
+A standalone desktop application for real-time speech-to-text transcription
+using Whisper models. Supports CPU/GPU processing, noise suppression, and
+optional multi-user server synchronization.
+"""
+
+import sys
+from pathlib import Path
+
+# Add project root to Python path
+project_root = Path(__file__).parent
+sys.path.insert(0, str(project_root))
+
+from PySide6.QtWidgets import QApplication
+from gui.main_window_qt import MainWindow
+
+
+def main():
+    """Main application entry point."""
+    try:
+        print("Starting Local Transcription Application...")
+        print("=" * 50)
+
+        # Create Qt application
+        app = QApplication(sys.argv)
+
+        # Set application info
+        app.setApplicationName("Local Transcription")
+        app.setOrganizationName("LocalTranscription")
+
+        # Create and show main window
+        window = MainWindow()
+        window.show()
+
+        # Run application
+        sys.exit(app.exec())
+
+    except KeyboardInterrupt:
+        print("\nApplication interrupted by user")
+        sys.exit(0)
+    except Exception as e:
+        print(f"Fatal error: {e}")
+        import traceback
+        traceback.print_exc()
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()