Restores Claude usage tracking across the dashboard by integrating with Fusion Anthropic auth storage, and adds detection and testing for the `model_context_window_exceeded` stop reason to handle context limit errors gracefully. The work spans planning logic, usage tracking, mission management UI, a
Fusion-Task-Id: FN-3302
- Add new regex pattern /context\s+window\s+exceeds/i to match provider JSON error
envelope variant: "context window exceeds limit (2013)"
- Add 4 new test cases for the variant pattern
- Pattern is conservative: requires both "context window" and "exceeds" present
- Add ContextLimitDetector to detect agent loops via repeated tool call patterns
- Implement compact-and-resume strategy: summarize conversation and restart agent from current step
- Add loop recovery to StuckTaskDetector with configurable attempt tracking and retry limits
- Extend executor with automatic loop recovery on context limit detection
- Add loop recovery support to pi executor with same compact-and-resume pattern
- Add comprehensive tests for context-limit-detector, stuck-task-detector loop detection, executor, and pi recovery
- Add changeset for patch bump to @gsxdsm/fusion
- Update README with loop detection and recovery documentation
