- Target 10: override DEFAULT_GEMINI_MODEL/FLASH/LITE/AUTO in models.js
- Target 11: fix hardcoded model names in ModelDialog.js
- Target 12: fix compression config aliases in chatCompressionService.js
- Target 13: fix example model name in AgentConfigDialog.js
Covers all 16+ locations where gemini-2.5 was used as fallback.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>