feat: add nano-banana-2.1 image generation and editing

[magic-hour-sdk-bot]

Features

• Added nano-banana-2.1 to POST /v1/ai-image-generator and POST /v1/ai-image-editor

[github-actions]

⚠️ Parameter Sync Check Failed

The generate() methods are missing parameters that exist in create() methods, or their param types/defaults differ from create().

Checking 29 client files with generate() methods...

OK: ai_clothes_changer
OK: ai_face_editor
OK: ai_gif_generator
OK: ai_headshot_generator
MISMATCH: ai_image_editor
  File: ./magic_hour/resources/v1/ai_image_editor/client.py
  sync client - Definition differs from create(): model
  async client - Definition differs from create(): model

MISMATCH: ai_image_generator
  File: ./magic_hour/resources/v1/ai_image_generator/client.py
  sync client - Definition differs from create(): model
  async client - Definition differs from create(): model

OK: ai_image_upscaler
OK: ai_meme_generator
OK: ai_qr_code_generator
OK: ai_talking_photo
OK: ai_video_editor
OK: ai_video_translator
OK: ai_voice_cloner
OK: ai_voice_generator
OK: animation
OK: audio_to_video
OK: auto_subtitle_generator
OK: body_swap
OK: character_replace
OK: face_detection
OK: face_swap
OK: face_swap_photo
OK: head_swap
OK: image_background_remover
OK: image_to_video
OK: lip_sync
OK: photo_colorizer
OK: text_to_video
OK: video_to_video

============================================================

Found 2 file(s) with parameter mismatches:

Applying fixes...

  Fixing ai_image_editor...
    sync client - Definition differs from create(): model
    async client - Definition differs from create(): model
    ✓ Fixed ./magic_hour/resources/v1/ai_image_editor/client.py

  Fixing ai_image_generator...
    sync client - Definition differs from create(): model
    async client - Definition differs from create(): model
    ✓ Fixed ./magic_hour/resources/v1/ai_image_generator/client.py

Fixed 2 of 2 file(s)

Re-checking files...
  ai_image_editor: ✓ All fixed
  ai_image_generator: ✓ All fixed

✓ All issues resolved!

How to fix: Run python codemod/check_generate_create_sync.py --fix and commit the result.