justsisyphus ad95880198 fix(start-work): restore atlas agent and proper model fallback chain
- Restore agent: 'atlas' in start-work command (removed by PR #1201)
- Fix model-resolver to properly iterate through fallback chain providers
- Remove broken parent model inheritance that bypassed fallback logic
- Add model-suggestion-retry for runtime API failures (cherry-pick 800846c1)

Fixes #1200
2026-01-30 12:52:46 +09:00
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2026-01-09 02:24:43 +09:00