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Author SHA1 Message Date
徐翔宇
69776ecec2 v2.2.1: real lyrics via LRCLIB + stream envelope fix + TimelineView vinyl 
Critical fix · adapter stream was silently empty

v2.2.0 parsed the stream subprocess's JSON at the wrong layer. The
`stream` mode wraps every emit as:

    {"type":"data","diff":<bool>,"payload":{title,...}}

but Swift was decoding as AdapterStreamPayload directly (the shape
used by `get`, which is flat). Result: every `stream rx` had
title="" because the real data was nested inside payload, so
hasTrack was always false and onUpdate never fired. Users saw
"nothing playing" even while Apple Music was running.

New AdapterStreamEnvelope decodes the wrapper, extracts payload,
and also honours `diff: false` to reset currentInfo before merging
(stale fields from the previous track were otherwise leaking).

Added bootstrap path · cold start with music already playing

When the adapter subprocess is spawned AFTER Apple Music is already
playing, the stream's initial emit can be an empty baseline. A
parallel one-shot `perl adapter.pl get` at spawn+300ms catches the
current track immediately.

Added file-based debug log at /tmp/mio-plugin-music-debug.log

NSLog / os_log are unreliably filtered on macOS 15, and we can't
attach Xcode to a plugin loaded from a signed host. A line-oriented
log at a fixed path is the one channel that's always readable post-
mortem. Lines include stream rx / bootstrap / parse failures.

Real lyrics · LRCLIB integration

- New LyricsService fetches synced lyrics via
  https://lrclib.net/api/get (exact) + /search (fallback), parses
  LRC format with regex [mm:ss.xx]. In-memory LRU cache (32 entries,
  1-hour TTL). Negative-caches "not found" so obscure tracks don't
  re-hit the API every render.
- NowPlayingState gains syncedLyrics + currentLyricIndex @Published.
  applyAdapterUpdate detects track changes and refreshes lyrics
  detached; the 1s playback timer updates currentLyricIndex.
- DesktopLyricsViews replaces the placeholder text with real lyric
  text from syncedLyrics[currentLyricIndex ± 1]. Falls back to
  sensible dots when no lyrics loaded / instrumentals.

Bonus · robust vinyl spin via TimelineView

withAnimation(.linear.repeatForever) loses the animation when
SwiftUI re-creates the view (window hide/show, style switch).
Replaced with TimelineView driven by wall-clock — angle =
(elapsed * 45°/s) % 360. Smooth across hours, no drift, pauses
correctly via `paused: !isPlaying`.

Borrowed approach from Atoll (github.com/Ebullioscopic/Atoll)
MusicManager.swift:756-935: same LRCLIB endpoints, same LRC regex
shape, same per-second sync model. Credited in LICENSE-THIRD-PARTY.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-21 07:55:04 +08:00
徐翔宇
d5934b06b0 v2.1.0: Atoll-style MediaRemoteAdapter — bypass 15.4+ entitlement gate 
Ports the MediaRemoteAdapter pattern from Atoll
(github.com/Ebullioscopic/Atoll). On macOS 15.4+, Apple gated
MRMediaRemoteGetNowPlayingInfo behind a private entitlement, which made
our previous MediaRemoteSource return empty dicts and forced us onto
slow-path AppleScript polling. This commit bundles Jonas van den Berg's
MediaRemoteAdapter.framework (BSD-3-Clause) plus mediaremote-adapter.pl
and runs them as a subprocess — the framework links against Apple's MR
in a way that skips the caller-side entitlement check, so we get the
full now-playing payload (title, artist, album, duration, elapsed,
isPlaying, artwork, bundleIdentifier) pushed to us in real time.

Bundle additions (~500KB total):
- Resources/MediaRemoteAdapter.framework (universal x86_64 + arm64 + arm64e)
- Resources/mediaremote-adapter.pl
- LICENSE-THIRD-PARTY.md with full BSD-3-Clause attribution

New source: MediaRemoteAdapterSource.swift
- Spawns /usr/bin/perl with minimal env (PATH + LANG only).
- FileHandle.readabilityHandler ingests newline-delimited JSON stream
  from stdout, parses via Codable AdapterStreamPayload, merges diffs
  into persistent MediaRemoteInfo so playbackRate-only payloads don't
  erase title/artist.
- Artwork base64 decoded via Data default strategy.
- Crash handling: SIGTERM → 500ms → SIGKILL on stop. Auto-restart with
  exponential backoff (1s/2s/4s), circuit-breaker after 3 crashes
  within 60s → fall back to legacy chain.
- Transport controls (togglePlay/next/prev/seek) via short-lived one-shot
  `perl adapter.pl send N` subprocesses. send codes: 2=toggle, 4=next,
  5=prev. seek takes microseconds.

NowPlayingState wiring:
- New sticky kind `.mediaRemoteAdapter`, highest priority.
- `applyAdapterUpdate(_:)` publishes directly (no router pass).
- `routeSources` short-circuits when adapter is sticky + has data —
  subprocess pushes fresh data on every change, polling would be pure
  waste.
- `adaptivePollInterval()` returns 30s for adapter (safety net only).
- `isCandidateLive` + `tryFetch` treat adapter as push-only (returns nil
  from pull-fetch so the sticky fast-path falls through to parallel
  probing if subprocess is dead).
- `stop()` terminates the subprocess cleanly.
- Transport controls route to adapter.sendCommand() / adapter.seek()
  when it's the sticky source.

Build:
- build.sh copies Resources/ into Contents/Resources with preserved
  exec bits on the framework binary + Perl script.
- `codesign --force --deep --sign -` re-signs the whole tree ad-hoc
  so the nested framework inherits our identity and Gatekeeper loads
  it without complaint.
- Bundle grew from 48KB → 1.6MB (zipped 564KB). Acceptable for the
  latency win: Apple Music track switches now visible <100ms vs prior
  800ms adaptive-poll worst case.

Security audit (done before bundling):
- Perl script: strict + warnings, whitelisted function names, no
  shell-out, no network I/O, params passed to framework via ENV
  (no string concat). Safe.
- Framework: ad-hoc signed (Identifier com.vandenbe.MediaRemoteAdapter).
  --deep re-sign with our identity replaces the original ad-hoc cert so
  signature validation passes locally and in Gatekeeper.
- Subprocess runs with PATH=/usr/bin:/bin + LANG only. No inherited
  secrets.
- Explicit Process arguments array — no shell interpolation.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-20 15:19:40 +08:00
徐翔宇
113dd31275 v2.0.5: adaptive polling — Apple Music 0.8s when playing 
v2.0.4's 15s safety-net poll broke Apple Music latency because macOS 14+
Music.app doesn't reliably broadcast com.apple.Music.playerInfo, and
MediaRemote is 15.4-gated. With no event source actually firing, 15s
between polls = 15s track-change lag.

Poll interval is now computed from stickySource + isPlaying:
- Apple Music playing     → 0.8s (no reliable event source)
- Chrome playing          → 1.2s (no event source, web audio too)
- Spotify playing         → 3.0s (playerInfo broadcast is fast,
                                   poll is just backup)
- MediaRemote playing     → 3.0s (MR notifications cover it)
- Idle / nothing playing  → 10.0s (NSWorkspace launch observer will
                                    wake us instantly)

rearmPoll() is called after every stickySource change + after the
optimistic isPlaying flip in togglePlayPause, so the cadence adapts
within a single RunLoop tick. Cheap: if the new interval equals the
current one within 0.01s, skip the Timer re-alloc.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-20 15:07:56 +08:00
徐翔宇
336b2266e8 v2.0.4: latency razor — event-driven + running-app gate + parallel probing 
Target: push state-change detection latency under 200ms in the common case,
and cold start under 2s.

Changes:

1. Event-driven primary path, poll becomes safety-net
   - Poll interval 1.5s → 15s. Was firing 40 AppleScript probes per minute
     on a Mac that's playing nothing.
   - MediaRemote notifications + DistributedNotificationCenter broadcasts
     (com.spotify.client.PlaybackStateChanged,
      com.apple.Music.playerInfo, com.apple.iTunes.playerInfo)
     already handle track changes in <100ms. The 1.5s poll was just
     backup, and now 15s is enough backup.

2. NSWorkspace launch/terminate observers
   - New observers on NSWorkspace.didLaunchApplicationNotification +
     didTerminateApplicationNotification. When Spotify, Apple Music, or
     Chrome launches / quits, refresh fires immediately instead of
     waiting for the next poll. Beats the old path by up to 15s on
     first-launch-of-day scenarios.

3. Running-app gate (NSWorkspace.runningApplications)
   - Each source now exposes `static var isRunning` via
     NSWorkspace.shared.runningApplications.contains(bundleId).
   - Router checks before probing. AppleScript `with timeout of 2 seconds`
     still trips when the target app isn't running, so avoiding those
     probes saves up to 6s per refresh on a clean Mac.

4. MediaRemote 15.4+ entitlement memoization
   - When MRMediaRemoteGetNowPlayingInfo returns an empty dict AND at
     least one player app is running (likelyBlocked heuristic), mark
     MediaRemote blocked for 60s and skip in the router. Saves ~50ms
     per refresh on restricted macOS versions and lets the first-pass
     AppleScript probe happen without a preceding MR round-trip.
   - Retries every 60s in case the gate state changes (macOS minor
     update / user-granted entitlement).

5. Parallel fallback probing
   - Old router was serial: MediaRemote → Spotify → Music → Chrome.
     Cold start worst-case 4-6s when all three AppleScript sources
     trip their 2s timeouts.
   - New router uses `async let` to fan out every live candidate
     concurrently. First-in-priority-order non-nil result wins.
     Cold start worst-case now ≈ slowest single AppleScript probe.

6. Sticky-source fast path survives
   - When the last-successful source is still a live candidate
     (its app still running, MR still not blocked), try it alone
     first. On steady-state playback this is one round-trip per
     refresh, same as before.

7. Transport control perceived latency
   - scheduleRefresh(after: 0.3) → 0.1 for togglePlay/next/prev/seek.
     UI already flips optimistically; the 100ms re-sync is enough
     to catch the real app state without feeling laggy.

Reference: Atoll (github.com/Ebullioscopic/Atoll) uses a bundled
mediaremote-adapter framework + Perl stream client to bypass the
macOS 15.4 MediaRemote entitlement gate entirely. That's a bigger
lift and left for a future phase — this commit wrings out the latency
that's achievable without that adapter.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-20 15:02:36 +08:00
徐翔宇
63885fe121 v2.0.3: compact panel via host size hint + Apple Music artwork + faster poll 
Host-facing:
- Info.plist requests a 440x340 expanded panel via the new
  MioPluginPreferredWidth/MioPluginPreferredHeight keys (MioIsland
  v2.1.8+). Old hosts ignore the keys and use their default.

UI:
- Fix vertical stretching of the playing card. Outer ZStack now centers
  children instead of wrapping in a maxHeight:.infinity frame which was
  letting an inner Spacer propagate fill-height up to the top-level VStack.
- Hero HStack clipped to album art height (128pt) so the meta column
  can't bleed a fill-height hint upward either.

Data:
- Apple Music artwork is now fetched via a temp file (write artwork data
  of current track to /tmp, load NSImage from disk). First-class cover art
  instead of the generic music.note placeholder.
- apply(appleScript:) clears albumArt when the track identity changes so
  the next refresh reloads cover art for the new track.

Latency:
- Poll interval 3s → 1.5s. Track changes typically reflect within 2s.
- Also subscribe to the legacy com.apple.iTunes.playerInfo distributed
  notification in addition to com.apple.Music.playerInfo — some builds of
  Music.app still emit the iTunes name.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-19 20:42:14 +08:00
徐翔宇
c67ddd0024 v2.0.1: compact UI + AppleScript timeouts 
UI polish (ExpandedView rewrite):
- Horizontal hero row: 128×128 album art on the left, title/artist/
  album + source badge on the right. Half the vertical footprint of
  v2.0.0 at the same info density.
- Dropped the "NOW PLAYING" eyebrow (redundant with the source badge).
- Tightened outer padding 28 → 20, inter-section spacing 22-28 → 16.
- Play button 56 → 48, prev/next 44 → 36; still 44pt tap targets via
  the invisible hover frame.

AppleScript timeout fix (the real bug, unrelated to UI):
- Every fetch() script now wraps the `tell application` block in
  `with timeout of N seconds` (2s for Spotify/Music, 3s for Chrome).
- Music.app hanging was stalling the entire source router for 120s
  (default AppleEvent timeout), freezing the UI on stale Spotify data.
- runAppleScript() suppresses error -1712 (errAETimeout) alongside
  existing -600 / -1728 — expected, not noisy.

Info.plist: CFBundleShortVersionString 2.0.0 → 2.0.1,
CFBundleVersion 2 → 3.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-19 11:09:29 +08:00
徐翔宇
64daaa3371 v2.0.0: full rewrite with multi-source NowPlaying 
Replaces the v1.0.0 shell (MediaRemote-only, non-functional on macOS 15.4+)
with a layered design that handles four playback sources with sticky source
priority routing:

  NowPlayingState (orchestrator, @MainActor, 3s poll + notifications)
    ├─ MediaRemote (private framework, dlopen)
    ├─ Spotify AppleScript (desktop)
    ├─ Apple Music AppleScript (desktop)
    └─ Chrome JS injection (YouTube / SoundCloud / web music)

UI:
  - Large album art with color-extracted gradient background
  - Title / artist / album + source badge
  - Draggable seek bar with hover-grow affordance
  - Prev / Play·Pause (56pt lime button) / Next controls
  - Header slot: 20x20 icon + 3-bar pseudo-spectrum that pulses while playing
  - Bi-lingual (zh / en), follows host appLanguage

Graceful degradation:
  - Host < v2.1.7 → upgrade banner (NSAppleEventsUsageDescription required)
  - QQ Music / NetEase / Kugou detected → "desktop unsupported, try web version"
  - Empty state with hint to play something in supported apps

Build layout:
  Sources/              root (MioPlugin.swift contract + MusicPlugin principal)
  Sources/sources/      data sources
  Sources/ui/           SwiftUI views
  Sources/support/      ChineseAppDetector / HostVersionCheck / Localization

build.sh now recursively finds .swift under Sources/.

Breaking-ish: plugin id ("music-player") and bundle ID preserved. Users on
v1.0.0 can upgrade in place via the plugin store.

Requires: MioIsland host >= v2.1.7 for full functionality.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-19 02:27:21 +08:00