fix(subsync): reopen manual modal on sync errors

backlog/tasks/task-79 - Jimaku-modal-auto-close-after-successful-subtitle-load.md

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+---
+id: TASK-79
+title: 'Jimaku modal: auto-close after successful subtitle load'
+status: Done
+assignee: []
+created_date: '2026-03-01 13:52'
+updated_date: '2026-03-01 14:06'
+labels: []
+dependencies: []
+priority: medium
+ordinal: 10000
+---
+
+## Description
+
+<!-- SECTION:DESCRIPTION:BEGIN -->
+
+Fix Jimaku modal UX so selecting a subtitle file closes the modal automatically once subtitle download+load succeeds.
+
+Current behavior:
+- Subtitle file downloads and loads into mpv.
+- Jimaku modal remains open until manual close.
+
+Expected behavior:
+- On successful `jimakuDownloadFile` result, close modal immediately.
+- Keep error behavior unchanged (stay open + show error).
+
+<!-- SECTION:DESCRIPTION:END -->
+
+## Acceptance Criteria
+
+<!-- AC:BEGIN -->
+
+- [x] #1 Successful subtitle file selection/download in Jimaku closes modal automatically.
+- [x] #2 Existing error path keeps modal open and shows error.
+- [x] #3 Regression test covers success auto-close behavior.
+
+<!-- AC:END -->
+
+## Final Summary
+
+<!-- SECTION:FINAL_SUMMARY:BEGIN -->
+
+Fixed renderer Jimaku success flow to close modal immediately after successful `jimakuDownloadFile` result. Added regression test (`src/renderer/modals/jimaku.test.ts`) that reproduces keyboard file-selection success path and asserts modal close state + `notifyOverlayModalClosed('jimaku')` emission. Kept failure path unchanged.
+
+Also wired new test into `test:core:src` and `test:core:dist` package scripts.
+
+<!-- SECTION:FINAL_SUMMARY:END -->

backlog/tasks/task-80 - Jimaku-download-rename-subtitle-to-match-current-video.md

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+---
+id: TASK-80
+title: 'Jimaku download: rename subtitle to current video basename'
+status: Done
+assignee: []
+created_date: '2026-03-01 14:17'
+updated_date: '2026-03-01 14:19'
+labels: []
+dependencies: []
+priority: medium
+ordinal: 11000
+---
+
+## Description
+
+<!-- SECTION:DESCRIPTION:BEGIN -->
+
+When user selects a Jimaku subtitle, save subtitle with filename derived from currently playing media filename instead of Jimaku release filename.
+
+Example:
+- Current media: `anime.mkv`
+- Downloaded subtitle extension: `.srt`
+- Saved subtitle path: `anime.ja.srt`
+
+Scope:
+- Apply in Jimaku download IPC path before writing file.
+- Preserve collision-avoidance behavior (suffix with jimaku entry id/counter when target exists).
+- Keep mpv load flow unchanged except using renamed path.
+
+<!-- SECTION:DESCRIPTION:END -->
+
+## Acceptance Criteria
+
+<!-- AC:BEGIN -->
+
+- [x] #1 Jimaku subtitle destination name uses current media basename plus `.ja` and subtitle extension.
+- [x] #2 Existing duplicate filename conflict handling still works.
+- [x] #3 Regression tests cover renamed destination path behavior.
+
+<!-- AC:END -->
+
+## Final Summary
+
+<!-- SECTION:FINAL_SUMMARY:BEGIN -->
+
+Jimaku download path generation now derives subtitle filename from currently playing media basename and keeps subtitle extension from Jimaku file (`anime.mkv` + `.srt` => `anime.ja.srt`). Added pure helper `buildJimakuSubtitleFilenameFromMediaPath` and routed IPC download flow through it before existing duplicate-path conflict handling. Added regression tests for local path, missing extension fallback, and remote URL media paths.
+
+<!-- SECTION:FINAL_SUMMARY:END -->