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+---
+phase: 08-type-hygiene-conventions
+plan: 04
+subsystem: lint
+tags: [eslint, dir-01, dir-09, dir-10, option-b, d-08-extension]
+status: complete
+
+# Dependency graph
+requires:
+  - phase: 08-type-hygiene-conventions
+    provides: "08-03 — DIR-01 console cleanup (Wave 3)"
+provides:
+  - "eslint.config.mjs — Phase-8 override block deleted; D-08-extension no-unsafe-* block added; npm run lint passes clean"
+  - "DIR-01, DIR-09, DIR-10 closed at acceptance level"
+affects: [08-05-PLAN]
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns:
+    - "D-08-extension: src/**/*.ts no-unsafe-*: off — silences typed-linting cascade from ical.js untyped APIs at consumption sites; mirrors the existing **/*.d.ts no-explicit-any: off exclusion; defers hand-typing to FRAG-02"
+
+key-files:
+  created:
+    - .planning/phases/08-type-hygiene-conventions/08-04-SUMMARY.md
+  modified:
+    - eslint.config.mjs
+    - src/services/CalendarService.ts
+    - src/utils/timezoneUtils.ts
+
+key-decisions:
+  - "Option B chosen (via Rule 4 checkpoint): add narrow src/**/*.ts no-unsafe-*: off block instead of hand-typing ical.d.ts any returns (deferred to FRAG-02). Matches D-08's documented spirit — same root cause as the **/*.d.ts exclusion, same chosen treatment."
+  - "Class 2 fix: CalendarService.ts:303 console.log changed to console.debug (obsidianmd/rule-custom-message disallows console.log but allows console.debug). MemoChron: prefix preserved."
+  - "Class 3 fix: 6 unused eslint-disable-next-line no-console comments removed from CalendarService.ts and timezoneUtils.ts — no-console is OFF in obsidianmd recommended config (not just in the Phase-8 override), so these disables never had effect."
+
+patterns-established:
+  - "D-08-extension pattern: when a third-party library is fundamentally untyped and hand-typing is deferred, silence the typed-linting cascade via a narrow config override matching the same root cause as the existing .d.ts exclusion"
+
+requirements-completed:
+  - DIR-01
+  - DIR-09
+  - DIR-10
+
+# Metrics
+duration: ~20min
+completed: 2026-05-17
+---
+
+# Phase 8 Plan 4: Delete Phase-8 ESLint Override Block — Summary
+
+**Deleted the Phase-8 ESLint override block (lines 73–113) from `eslint.config.mjs`, added the D-08-extension `src/**/*.ts no-unsafe-*: off` override, and applied Plan 03 Rule-1 housekeeping (Class 2: console.log → console.debug; Class 3: 6 unused disable comments removed). `npm run lint` exits 0 cleanly. DIR-01, DIR-09, DIR-10 closed at acceptance level.**
+
+## Performance
+
+- **Duration:** ~20 min
+- **Started:** 2026-05-17
+- **Completed:** 2026-05-17
+- **Tasks:** 2 of 2 committed
+- **Files modified:** 3
+
+## `eslint.config.mjs` Line Count
+
+| State | Lines |
+|-------|-------|
+| Before (pre-Plan-04) | 122 |
+| After | 100 |
+| Net change | -22 (-41 deleted block + 19 D-08-extension block) |
+
+**Phase-8 block deleted span:** Lines 73–113 inclusive (the `// ---` separator, two `// Phase 8` header comments, the `src/**/*.ts` rules sub-block, the closed-set `files: [...]` no-unused-vars sub-block).
+
+## Final `eslint.config.mjs` Block Inventory
+
+| Block | Lines | Status |
+|-------|-------|--------|
+| Phase-5 tightening (`src/**/*.ts` — no-unused-vars: error, no-restricted-syntax for createElement) | 44–63 | PRESERVED |
+| `**/*.d.ts` no-explicit-any: off (D-08 / Plan 02 — ical.d.ts shim) | 65–71 | PRESERVED |
+| D-08-extension `src/**/*.ts` no-unsafe-*: off (this plan) | 73–91 | ADDED |
+| `globalIgnores([...])` | 93–100 | PRESERVED |
+| Phase-8 override block | 73–113 (old) | DELETED |
+
+## `npm run lint` Output
+
+```
+> memochron@1.14.0 lint
+> eslint src/
+```
+
+Exit 0. No errors. No warnings.
+
+## Task Commits
+
+| Task | Description | Commit |
+|------|-------------|--------|
+| Task 1 | Class 2/3 housekeeping — Plan 03 Rule-1 bug fixes (CalendarService.ts + timezoneUtils.ts) | c9b7dbe |
+| Task 2 | Delete Phase-8 override block + add D-08-extension (eslint.config.mjs) | 9d042eb |
+
+## Deviations from Plan
+
+None — the amended plan (Option B + Class 2/3 housekeeping) was executed exactly as specified. The amendment history is documented in `08-04-PLAN.md` (objective section) and the Rule-4 escalation that led to it is documented in `08-04-CHECKPOINT.md`.
+
+## Rule-4 Amendment Path Acknowledgement
+
+The original Plan 04 (single task, delete Phase-8 block only) was paused as a Rule-4 architectural checkpoint when executing the deletion exposed 33 errors:
+- 32 typed-linting `no-unsafe-*` cascade errors from ical.js untyped APIs
+- 1 `obsidianmd/rule-custom-message` error on the `console.log` site Plan 03 gated
+- 6 unused-disable-directive warnings from Plan 03's wrong-rule disable comments
+
+The user chose **Option B** (narrow `no-unsafe-*: off` override for `src/**/*.ts`) plus the Class 2/3 housekeeping fixes. `08-04-CHECKPOINT.md` documents the full analysis, the three error classes, the three fix options (A/B/C), and the recommendation. The CHECKPOINT.md file is preserved unchanged as committed historical context.
+
+## Threat Flags
+
+None. This plan only modifies ESLint configuration and removes lint-directive comments. No new network endpoints, auth paths, file access patterns, or schema changes introduced.
+
+## Self-Check: PASSED
+
+- `eslint.config.mjs` modified and committed (9d042eb)
+- `src/services/CalendarService.ts` modified and committed (c9b7dbe)
+- `src/utils/timezoneUtils.ts` modified and committed (c9b7dbe)
+- `grep -c "// Phase 8" eslint.config.mjs` → 0 ✓
+- `grep -c '"no-console": "off"' eslint.config.mjs` → 0 ✓
+- `grep -c "no-case-declarations" eslint.config.mjs` → 0 ✓
+- `grep -c "no-useless-escape" eslint.config.mjs` → 0 ✓
+- `grep -c "D-08-extension" eslint.config.mjs` → 1 ✓
+- `grep -c "no-unsafe-assignment" eslint.config.mjs` → 1 ✓
+- `**/*.d.ts` block present at line 69 ✓
+- `grep -c "globalIgnores" eslint.config.mjs` → 2 ✓
+- `wc -l < eslint.config.mjs` → 100 (within ±5 of ~94 target) ✓
+- `npm run lint` → exit 0, no errors, no warnings ✓
+- `npm run build` → exit 0 ✓
+- `08-04-CHECKPOINT.md` preserved unchanged ✓
+- Commit messages contain no "Claude", "AI", or "Anthropic" references ✓
+
+---
+*Phase: 08-type-hygiene-conventions*
+*Plan: 04*
+*Status: COMPLETE*
+*Completed: 2026-05-17*