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"body": "## Classification\n\nLaunch Blocker\n\n## Context\n\nJuan made a partial commit from the terminal while Nixmac was on Review/Save, and Nixmac returned to Describe while discarding its proposed changes.\n\n## Desired outcome\n\nReview/Save remains trustworthy when repo state changes outside the app.\n\n## Acceptance criteria\n\n- [ ] Proposed changes are not silently lost after an external repo change.\n- [ ] The app clearly explains the state change and available next action.\n\n---\n\n## Acceptance Criteria / Gherkin Specs\n\n```gherkin\nScenario: Proposed changes are preserved when an external commit is made\n Given nixmac has completed evolution and is displaying the Review/Save step\n And I have proposed changes ready to commit\n When an external tool (e.g., terminal git commit) modifies the config repo\n Then nixmac does not silently discard the proposed changes\n And a clear notification explains that the repo state has changed outside nixmac\n\nScenario: User is given an explicit choice after external repo change\n Given nixmac is on the Review/Save step with pending proposed changes\n When an external commit is detected\n Then the user is presented with clear options (e.g., \"Keep my changes\", \"Discard and refresh\", \"Merge\")\n And no option silently loses proposed work without explicit user confirmation\n\nScenario: External repo change does not silently return user to Describe step\n Given nixmac is on the Review/Save step\n When an external git commit changes the underlying repo state\n Then nixmac does NOT silently navigate back to the Describe step\n And if a state transition is necessary, it is accompanied by an explanation\n\nScenario: Clean repo state is detected and allows normal flow\n Given nixmac is on Review/Save with proposed changes\n And no external changes have occurred\n When I proceed to commit\n Then nixmac commits normally without any conflict warnings\n```",
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