feat: dynamic artistic styles with weekly regeneration

- Remove 42 hard-coded image generation styles
- Load styles from cache file (artistic_styles.txt)
- Generate styles via OpenAI API if file doesn't exist
- Regenerate styles automatically if older than one week
- Shuffle styles on each use to prevent LLM bias
- Fix bug where generated images appeared in wrong dialog
- Handle empty custom prompts properly
- Remove Bulgarian word references from image prompts
- Improve subject focus and visibility in prompts
- Add error handling when styles cannot be loaded

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

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

0 files changed, 0 insertions, 0 deletions