Complete runtime service follow-ups and invisible subtitle edit mode

backlog/tasks/task-2.1 - Remove-unused-scaffolding-and-clean-exports.md

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+---
+id: TASK-2.1
+title: Remove unused scaffolding and clean exports
+status: Done
+assignee:
+  - codex
+created_date: '2026-02-10 18:56'
+updated_date: '2026-02-11 03:35'
+labels: []
+dependencies:
+  - TASK-1
+references:
+  - investigation.md
+  - src/core/action-bus.ts
+  - src/core/actions.ts
+  - src/core/app-context.ts
+  - src/core/module-registry.ts
+  - src/core/module.ts
+  - src/modules/
+  - src/ipc/
+  - src/core/services/index.ts
+parent_task_id: TASK-2
+ordinal: 10000
+---
+
+## Description
+
+<!-- SECTION:DESCRIPTION:BEGIN -->
+Remove unused module-architecture scaffolding and IPC abstraction files identified as dead code, and clean service barrel exports that are not needed outside service internals.
+<!-- SECTION:DESCRIPTION:END -->
+
+## Acceptance Criteria
+<!-- AC:BEGIN -->
+- [x] #1 Files under `src/core/{action-bus.ts,actions.ts,app-context.ts,module-registry.ts,module.ts}` are removed if unreferenced.
+- [x] #2 Unused `src/modules/` and `src/ipc/` scaffolding files are removed if unreferenced.
+- [x] #3 `src/core/services/index.ts` no longer exports symbols that are only consumed internally (`isGlobalShortcutRegisteredSafe`).
+- [x] #4 Build and core tests pass after cleanup.
+<!-- AC:END -->
+
+## Implementation Plan
+
+<!-- SECTION:PLAN:BEGIN -->
+1. Verify all candidate files are truly unreferenced in runtime/test paths.
+2. Delete dead scaffolding files and folders.
+3. Remove unnecessary service barrel exports and fix any import fallout.
+4. Run `pnpm run build` and `pnpm run test:core`.
+<!-- SECTION:PLAN:END -->
+
+## Implementation Notes
+
+<!-- SECTION:NOTES:BEGIN -->
+Removed unused scaffolding files from `src/core/`, `src/modules/`, and `src/ipc/` that were unreferenced by runtime code.
+
+Updated `src/core/services/index.ts` to stop re-exporting `isGlobalShortcutRegisteredSafe`, which is only used internally by service files.
+
+Verification:
+- `pnpm run build` passed
+- `pnpm run test:core` passed (18/18)
+<!-- SECTION:NOTES:END -->