im breaking it

Dockers/self-hosted-iptv/main.py

@@ -6,6 +6,7 @@ with randomized order so the same show never appears twice in a row.
 
 import logging
 import os
+import threading
 
 from iptv.config import (
     CHANNELS_FILE,
@@ -58,9 +59,31 @@ def main():
             "Ensure /data is mounted read-write (not :ro).",
             cache_manager._cache_dir,
         )
+    else:
+        # Bootstrap hash from existing cache if hash file was lost (e.g. restart)
+        epg_path = cache_manager._epg_cache_file()
+        if not cache_manager._bootstrap_hash_if_recent(epg_path):
+            for ch in channel_repo.get_all():
+                cid = ch.get("id", ch.get("name", ""))
+                sched_path = cache_manager._schedule_cache_path(cid)
+                if cache_manager._bootstrap_hash_if_recent(sched_path):
+                    break
     tmdb_client = TMDBClient()
     prefetcher = MetadataPrefetcher(schedule_builder, tmdb_client, channel_repo)
     prefetcher.start()
+
+    def _warmup_schedules():
+        """Preload schedules so first stream starts quickly."""
+        for ch in channel_repo.get_all():
+            cid = ch.get("id", ch.get("name", ""))
+            try:
+                schedule_builder.get_or_build(cid)
+            except Exception as e:
+                logger.debug("Schedule warmup %s: %s", cid, e)
+
+    threading.Thread(target=_warmup_schedules, daemon=True).start()
+    logger.info("Schedule warmup started in background")
+
     epg_builder = EPGBuilder(
         schedule_builder, tmdb_client, channel_repo, cache_manager, prefetcher
     )