huskies: merge 996

server/src/startup/tick_loop.rs

@@ -65,6 +65,11 @@ pub(crate) fn spawn_event_bridges(
             root.clone(),
         );
 
+        // Content-store GC subscriber: purges all ContentKey::* entries for a
+        // story when it reaches a terminal stage, preventing zombie entries from
+        // accumulating in the process heap (story 996).
+        crate::db::gc::spawn_content_gc_subscriber();
+
         let watcher_auto_rx = watcher_tx.subscribe();
         let watcher_auto_agents = Arc::clone(&agents);
         tokio::spawn(async move {
@@ -200,6 +205,9 @@ pub(crate) fn spawn_startup_reconciliation(
 ) {
     if let Some(root) = startup_root {
         tokio::spawn(async move {
+            // Purge content-store entries for stories that reached terminal
+            // stages in a previous session (before the GC subscriber was active).
+            crate::db::gc::sweep_zombie_content_on_startup();
             crate::slog!("[startup] Reconciling completed worktrees from previous session.");
             startup_agents
                 .reconcile_on_startup(&root, &startup_reconciliation_tx)