TTS-023: Add CLI TTS Flags to commandFactory

[murdore]

Summary

Add TTS-related command-line flags to the CLI commandFactory.

Technical Details

• File(s): src/cli/factories/commandFactory.ts
• Effort: 2h

Acceptance Criteria

• [ ] Added --tts flag (boolean, enable TTS)
• [ ] Added --tts-voice flag (string, select voice)
• [ ] Added --tts-format flag (choices: mp3, wav, ogg, opus)
• [ ] Added --tts-speed flag (number, 0.25-4.0)
• [ ] Added --tts-quality flag (choices: standard, hd)
• [ ] Added --tts-output flag (string, file path)
• [ ] Added --tts-play flag (boolean, auto-play audio)
• [ ] All flags properly documented with descriptions
• [ ] Flags integrated into generate and stream commands
• [ ] Build TTSOptions object from flags in command handlers

Dependencies

• Depends on: TTS-001
• Blocks: TTS-024, TTS-025

Priority: high | Effort: 2h | Complexity: simple