Critical:
- C1: single source of truth for IPC mock + Settings defaults. DEFAULT_SETTINGS
in @shared/ipc; main DEFAULTS, renderer FALLBACK, and preview MOCK_SETTINGS all
derive from it. Whole browser mock collapsed into one typed mockApi.ts; main.tsx
shrinks to window.api = mockApi. PREVIEW check single-sourced in isPreview.ts.
- C2: break the downloads<->sources circular import via a typed event bus
(store/coordinator.ts). App eagerly imports sources for side-effects so startup
load + scheduled --sync + downloadCompleted subscription still run.
Reliability:
- L140/L148: cancel/pause release the active slot synchronously; identity-guarded
releaseActive; per-spawn cookie jar so a same-id retry/resume is never rejected
by a stale entry nor run over the concurrency cap.
- L141: renderer history capped at 500 + url de-dup to match main.
- R6: writeJsonAtomic reports/logs write failures and keeps data dirty for retry
instead of an empty catch.
- R7: encryptSecret warns before the plaintext fallback.
typecheck + 243 tests + eslint green.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Security:
- S1 (backup.ts): require explicit confirmation before enabling custom-command
templates from a backup file; import templates in a disabled state if declined
- S2 (cookies.ts): deny non-http/https popups in cookie login window, matching
the main window's setWindowOpenHandler defence
- S3 (download.ts): main-process concurrency cap — startDownload now rejects
spawns when active.size >= maxConcurrent (defence-in-depth; renderer already
enforces this but should not be the only gate)
- S4 (settings.ts, validation.ts): reject filenameTemplate values containing
path traversal (.. segments or absolute paths); validate outputDir is absolute
- S5 (history.ts, errorlog.ts, templates.ts, validation.ts): per-field
validation on JSON reads — invalid entries dropped rather than blindly trusted
Performance:
- P1 (settings.ts): getSettings() now only writes to disk when sanitization
actually changed a value; removes synchronous file I/O on every hot-path read
- P2 (ipc.ts, download.ts, downloads.ts): renderer forwards its pre-probed
metadata (title/channel/duration) via StartDownloadOptions.meta; main uses
it directly instead of spawning a redundant second yt-dlp probe
Maintainability:
- M1 (log.ts, download.ts, probe.ts): extract duplicated cleanError() to
src/main/log.ts; both callers import from the shared module
- M2 (buildArgs.ts): document parseExtraArgs escape-sequence limitations
- M3 (electron-builder.yml): clarify icon TODO as a pre-release action
- P3 (downloads.ts): document that lowering maxConcurrent mid-flight does
not pause active downloads (intended behaviour, now written down)
Tests:
- Add test/validation.test.ts covering isSafeFilenameTemplate, isSafeOutputDir,
isValidHistoryEntry, isValidErrorLogEntry, isTemplateLike (76 tests pass)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Phase C had been implemented in the working tree but never committed:
named custom-command templates (CRUD + per-download override), command
preview, and the in-app yt-dlp self-updater.
Phase D adds: history search/kind-filter/multi-select/bulk-delete/
re-download; native OS notifications on completion/failure; a private/
incognito download mode that skips history; settings+template backup/
restore via JSON; and a persistent error log surfaced as a Diagnostics
report in Settings.
See ROADMAP.md for the full per-item breakdown.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Electron + React (Fluent UI) desktop frontend for yt-dlp:
- Download queue with live progress, concurrency cap, cancel/retry
- Format/quality picker via yt-dlp probe; audio extraction to MP3
- Settings + history persistence (electron-store / JSON)
- Clipboard link auto-detect; persisted light/dark theme
- NSIS + portable packaging (binaries bundled at build time, not in git)
UI: "Studio" sidebar layout with a toffee-brown theme (light + neutral dark).
Dropdowns use a native <select> and tooltips a CSS-only Hint, to avoid a
dev-machine GPU overlay flicker/blank issue.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
debont80