Tactical Media Broadcast Hub — initial release

Self-hosted multi-platform broadcast newsroom for activist collectives:
publishing pipeline with group approval and DST-proof scheduling, TweetDeck-style
column wall with hostile-content-safe rendering, live control room with Auto
Director, bridged chat governance with polls and quorum, distributed sandboxed
transcode workers, encrypted content-addressed archive, monthly analytics.

MIT licensed. See README.md and docs/.

infra/peertube-workers/win/service-stop.cjs

@@ -0,0 +1,8 @@
+'use strict';
+const fs=require('node:fs'),path=require('node:path');
+const root=process.env.PT_ROOT || 'C:\\pt-worker', state=path.join(root,'state');
+// The supervisor owns graceful shutdown; only stop after all processing jobs exit.
+fs.writeFileSync(path.join(state,'supervisor-stop'), 'requested');
+const timer=setInterval(()=>{
+  try {const r=JSON.parse(fs.readFileSync(path.join(state,'runner.json'),'utf8'));if(!r.running){clearInterval(timer);process.exit(0);}}catch{}
+},1000);