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82 lines
4.6 KiB
Markdown
82 lines
4.6 KiB
Markdown
---
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id: TASK-85
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title: Refactor large files for maintainability and readability
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status: In Progress
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assignee: []
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created_date: '2026-02-19 09:46'
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updated_date: '2026-02-21 03:29'
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labels:
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- architecture
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- refactor
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- maintainability
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dependencies: []
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priority: medium
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---
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## Description
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<!-- SECTION:DESCRIPTION:BEGIN -->
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Several core files are oversized and high-coupling (`src/main.ts`, `src/anki-integration.ts`, `src/config/service.ts`, `src/core/services/immersion-tracker-service.ts`). This task tracks phased, behavior-preserving decomposition plus guardrails and generated-launcher workflow cleanup.
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<!-- SECTION:DESCRIPTION:END -->
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## Suggestions
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<!-- SECTION:SUGGESTIONS:BEGIN -->
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- Use seam tests before each extraction.
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- Keep `src/main.ts` + `src/anki-integration.ts` as thin composition/coordinator layers.
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- Formalize `subminer` as generated artifact only.
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<!-- SECTION:SUGGESTIONS:END -->
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## Action Steps
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<!-- SECTION:PLAN:BEGIN -->
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1. Add file-budget guardrails and baseline report.
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2. Split `src/main.ts` into runtime domain modules (ongoing; major wiring extracted).
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3. Split `src/anki-integration.ts` into focused collaborators (started; constructor composition decomposed).
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4. Split `src/config/service.ts` by load/migrate/validate/warn phases (started; load/apply flow decomposition in place).
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5. Split immersion tracker service by state, persistence, sync responsibilities.
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6. Clarify generated launcher artifact workflow and docs.
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7. Run full build/test gate and publish maintainability report.
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<!-- SECTION:PLAN:END -->
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## Progress Notes
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<!-- SECTION:PROGRESS:BEGIN -->
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- 2026-02-20: Large `src/main.ts` composition slices extracted into runtime handler modules (startup, CLI, tray/window/bootstrap, shortcuts, OSD/secondary-sub, numeric/overlay shortcut lifecycle, and related seams) with focused parity tests.
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- 2026-02-20: `src/anki-integration.ts` constructor decomposed into targeted private factory/config methods (`normalizeConfig`, `createKnownWordCache`, `createPollingRunner`, `createCardCreationService`, `createFieldGroupingService`) to reduce orchestration complexity.
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- 2026-02-20: `src/config/service.ts` load/apply duplication reduced by introducing `applyResolvedConfig`, `resolveExistingConfigPath`, and `parseConfigContent`.
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- 2026-02-20: added `src/main/runtime/domains/*` barrels plus `src/main/runtime/registry.ts`; migrated `src/main.ts` runtime import paths to domain barrels and added `check:main-fanin` guardrail script.
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- 2026-02-21: extracted additional `src/main.ts` deps-builder orchestration into composer modules (`jellyfin-remote`, `anilist-setup`) with focused tests; tightened main fan-in guard (`<=110` import lines, `<=11` unique paths).
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- Remaining gap for TASK-85/TASK-94: continue composer extraction for startup/overlay/ipc/shortcuts to reach fully thin composition root.
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- Validation checkpoint: `bun run build` and focused suites (`dist/config/config.test.js`, `dist/anki-integration.test.js`) passing.
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- Current strategy: prioritize high-ROI extractions (behavioral seams and churn-heavy hotspots) over further low-impact micro-shuffles.
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<!-- SECTION:PROGRESS:END -->
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## Acceptance Criteria
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<!-- AC:BEGIN -->
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- [ ] #1 `src/main.ts` reduced to orchestration-focused module with extracted runtime domains
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- [x] #2 `src/anki-integration.ts` reduced to facade with helper collaborators
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- [x] #3 Config and immersion tracker services decomposed without behavior regressions
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- [ ] #4 `subminer` generated artifact ownership/workflow documented and enforced
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- [x] #5 Full build + config/core tests pass after refactor
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<!-- AC:END -->
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## Implementation Notes
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<!-- SECTION:NOTES:BEGIN -->
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TASK-95 completion slice evidence: decomposed hotspot collaborators and reduced LOC across all remaining core hotspots.
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TASK-95 LOC deltas: `src/anki-integration.ts` -407 (1722 -> 1315), `src/config/service.ts` -1492 (1591 -> 99), `src/core/services/immersion-tracker-service.ts` -361 (1470 -> 1109).
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TASK-95 extracted collaborators: `src/anki-integration/field-grouping-merge.ts`, `src/config/{load.ts,parse.ts,warnings.ts,resolve.ts}`, `src/core/services/immersion-tracker/{types.ts,reducer.ts,queue.ts,maintenance.ts,query.ts}`.
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TASK-95 verification evidence: `bun run build`, `bun run test:config:dist`, `bun run test:core:dist`, `bun run check:file-budgets` completed with no failing tests.
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<!-- SECTION:NOTES:END -->
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## Definition of Done
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<!-- DOD:BEGIN -->
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- [ ] #1 Plan at `docs/plans/2026-02-19-repo-maintainability-refactor-plan.md` executed or decomposed into child tasks
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- [x] #2 Regression coverage added for extracted seams
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- [ ] #3 Docs updated for architecture and contributor workflow changes
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<!-- DOD:END -->
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