v0.2.5

Fixed

• 🔒 Improved config save reliability - API keys are now much safer from corruption and loss:
  • Automatic backups before each save (keeps last 5 versions in ~/.free-coding-models.backups/)
  • Post-write verification confirms file was written correctly and data wasn't lost
  • Explicit error handling instead of silent failures
  • Auto-repair on startup if config is corrupted (restores from latest backup)
  • Console notifications when backup is used or config is repaired

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