XC_VM 2.3.8

A maintenance release focused on streaming stability and a large internal
clean-up of the stream pipeline. A significant part of the streaming stack was
refactored without changing its external behaviour, alongside fixes for HLS, VOD,
LLOD, GeoIP and connection tracking. No breaking changes; no config or database
migration required.

🎥 Streaming fixes

• VOD subtitles — import and map all configured subtitle tracks, not just
  the first one.
• LLOD / on-demand resilience — reconnect an HTTP source that drops mid-stream
  instead of exiting and forcing a watchdog restart.
• On-demand start-up — fill the prebuffer before the first MPEG-TS burst and
  size it by duration rather than segment count, for a faster and steadier start.
• Live delivery — remove the per-read throttle in MPEG-TS output for smoother
  streaming.
• FFprobe cache — read it under the same key it was written with, so the cache
  actually hits instead of always missing.
• Off-air path — fix an undefined $rServerID on the channel-less branch in
  live.php.

🧱 Stream pipeline refactor (behaviour-preserving)

• Replaced startStream()'s ~180-line inline ffmpeg-command assembly with a
  single pure buildLive() builder, and removed the transitional shadow-diff
  scaffold once the two were proven byte-identical.
• Extracted FFprobe, codec metadata, the AAC bitstream filter, HLS/FLV outputs,
  source mapping, subtitles, failover and delay-resume into focused helpers.
• Consolidated connection lookup / create / update / cleanup through
  ConnectionTracker, and deduped the identical Redis/DB statistics collection.
• Added dedicated helpers for on-demand process cleanup and PID tracking.

🧹 Monitor daemon clean-up

• Reconstructed the decompiled supervisor: all 62 gotos removed and the flow
  rebuilt with structured while loops; dead and no-op gotos dropped; the
  if (true) obfuscation wrappers removed.
• Renamed the obfuscated hash-based variables to meaningful names.
• Extracted codec, frame-rate, segment-duration and auto-restart logic into
  dedicated functions.
• Rewrote the class documentation in English and filled the missing docblocks.

🌍 GeoIP & user information

• cron:maxmind --force now genuinely re-downloads the MaxMind databases when
  requested, instead of skipping when they look up to date.
• Consolidated getStreamingUserInfo() / getUserInfo() / getE2Info() onto one
  GeoIP path and simplified their internals.
• Fixed the isp_asn handling bug and skip the ISP-update write when no ISP was
  detected.

📡 Signals & on-demand handling

• Unified all deferred-work signalling behind a single SignalQueue.
• Added ConnectionTracker query helpers for the on-demand killer and simplified
  its Redis/DB stat collection.

🛠️ Build, CI & dependencies

• Re-synced the committed production vendor/ with composer.lock and regenerated
  the PHPStan baseline against the pinned PHPStan 2.2.8.
• Moved the PHPStan / PHP-CS-Fixer configuration out of the repo root into
  build/; wired constants-stub regeneration into make and fixed the
  procedural-use gate path.
• CI now runs once per change with proper concurrency; added a path-filtered Pages
  workflow and Composer support in Dependabot.
• GitHub Actions bumps: checkout → v7, upload-pages-artifact → v5,
  configure-pages → v6, deploy-pages → v5, add-to-project → v2.

📚 Docs & developer tooling

• Added the tools/ README index, agent issue-tracker/domain guides and a Claude
  Agent Skills section; pruned redundant agent definitions and stale instructions.
• Added tools/stream_queue_check.py, a stream-queue integrity monitor
  (developer-only — not shipped in the panel).

What's Changed

• Refactor/monitor goto by @Divarion-D in #142
• ci: bump actions/deploy-pages from 4 to 5 by @dependabot[bot] in #147
• ci: bump actions/configure-pages from 5 to 6 by @dependabot[bot] in #143
• ci: bump actions/upload-pages-artifact from 3 to 5 by @dependabot[bot] in #144
• ci: bump actions/checkout from 4 to 7 by @dependabot[bot] in #145
• deps: bump the composer group in /src with 3 updates by @dependabot[bot] in #146

Full Changelog: 2.3.7...2.3.8