Refactor startup/logging service wiring and related test/config updates

backlog/tasks/task-53 - Consolidate-fragmented-JLPT-utility-modules.md

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+---
+id: TASK-53
+title: Consolidate fragmented JLPT utility modules
+status: Done
+assignee: []
+created_date: '2026-02-16 04:47'
+updated_date: '2026-02-16 04:57'
+labels: []
+dependencies: []
+references:
+  - >-
+    /home/sudacode/projects/japanese/SubMiner/src/core/services/jlpt-token-filter-config.ts
+  - >-
+    /home/sudacode/projects/japanese/SubMiner/src/core/services/jlpt-excluded-terms.ts
+  - >-
+    /home/sudacode/projects/japanese/SubMiner/src/core/services/jlpt-ignored-mecab-pos1.ts
+priority: medium
+---
+
+## Description
+
+<!-- SECTION:DESCRIPTION:BEGIN -->
+The JLPT-related functionality is currently split across three tiny files that create unnecessary navigation overhead and add cognitive load when working with JLPT token filtering.
+
+Files to consolidate:
+- `src/core/services/jlpt-token-filter-config.ts` (24 lines)
+- `src/core/services/jlpt-excluded-terms.ts` (30 lines)  
+- `src/core/services/jlpt-ignored-mecab-pos1.ts` (46 lines)
+
+These three files are tightly coupled (one imports from another) and all deal with JLPT token filtering logic. They should be merged into a single `jlpt-token-filter.ts` module with clear section comments.
+
+Benefits:
+- Reduces file count by 2
+- Eliminates circular import potential
+- Easier to understand JLPT filtering logic holistically
+- Simplifies barrel exports from services/index.ts
+<!-- SECTION:DESCRIPTION:END -->
+
+## Acceptance Criteria
+<!-- AC:BEGIN -->
+- [ ] #1 Merge jlpt-token-filter-config.ts, jlpt-excluded-terms.ts, and jlpt-ignored-mecab-pos1.ts into a single jlpt-token-filter.ts file
+- [ ] #2 Update all imports across the codebase to use the consolidated module
+- [ ] #3 Update services/index.ts barrel exports
+- [ ] #4 Ensure all existing tests pass
+- [ ] #5 Verify no functionality is lost in consolidation
+<!-- AC:END -->
+
+## Final Summary
+
+<!-- SECTION:FINAL_SUMMARY:BEGIN -->
+Consolidated JLPT filtering utilities into `src/core/services/jlpt-token-filter.ts` and updated all imports to use the new module. Added consolidated exports to `src/core/services/index.ts` for the JLPT token filter API (`shouldIgnoreJlptForMecabPos1`, `shouldIgnoreJlptByTerm`, POS metadata, etc.). Deleted the three fragmented files:
+- `jlpt-token-filter-config.ts`
+- `jlpt-excluded-terms.ts`
+- `jlpt-ignored-mecab-pos1.ts`
+
+Validation:
+- `pnpm exec tsc --noEmit` passes after the refactor.
+- `node --test dist/core/services/tokenizer-service.test.js` runs with 19/20 passing; one failure (`tokenizeSubtitleService uses Yomitan parser result when available`) appears to be pre-existing in current tree and matches earlier full test run failure.
+- Full `pnpm run test:fast` still fails, but failures are outside this consolidation scope (e.g., overlay-shortcut-handler logger message shape and tokenizer Yomitan-parse-path test), consistent with baseline failures in this working state.
+<!-- SECTION:FINAL_SUMMARY:END -->