Index lifecycle capacity checks instead of scanning retained jobs

src/lib/server/provisioning/concurrency.ts

@@ -8,18 +8,29 @@ interface Holder { id: string; action: string; host_id: string | null; target_ho
 
 export function lifecycleHolders(): Holder[] {
     ensureHostSchema(db());
+    // Find capacity owners through their active state or outstanding command.
+    // A correlated OR over d used to walk every retained job and fetch its agent
+    // receipt on every admission, even when all that history was completed.
     return db().prepare(`SELECT d.id,d.action,i.host_id,m.target_host_id,
         CASE WHEN m.remove_operation_id IS NOT NULL AND m.removed_at IS NULL THEN 1 ELSE 0 END AS removing
         FROM server_deployments d
         LEFT JOIN native_provisioning n ON n.deployment_id=d.id
         LEFT JOIN native_instances i ON i.id=n.instance_id
         LEFT JOIN ec_host_migrations m ON m.deployment_id=d.id
-        WHERE d.state IN ('running','awaiting-health')
-        OR d.id IN (SELECT value FROM json_each(?))
-        OR EXISTS (SELECT 1 FROM restart_rollout r WHERE r.operation_id=d.id AND r.healthy_at IS NULL)
-        OR (m.remove_operation_id IS NOT NULL AND d.state NOT IN ('done','warning','cancelled'))
-        OR EXISTS (SELECT 1 FROM ec_host_operations o WHERE o.id IN (n.operation_id,m.remove_operation_id)
-            AND o.state IN ('pending','accepted','running','unknown'))`)
+        WHERE d.id IN (
+            SELECT id FROM server_deployments WHERE state IN ('running','awaiting-health')
+            UNION SELECT value FROM json_each(?)
+            UNION SELECT operation_id FROM restart_rollout WHERE healthy_at IS NULL
+            UNION SELECT deployment_id FROM ec_host_migrations
+                WHERE remove_operation_id IS NOT NULL AND deployment_id IN (
+                    SELECT id FROM server_deployments WHERE state NOT IN ('done','warning','cancelled'))
+            UNION SELECT n.deployment_id FROM ec_host_operations o
+                JOIN native_provisioning n ON n.operation_id=o.id
+                WHERE o.state IN ('pending','accepted','running','unknown')
+            UNION SELECT m.deployment_id FROM ec_host_operations o
+                JOIN ec_host_migrations m ON m.remove_operation_id=o.id
+                WHERE o.state IN ('pending','accepted','running','unknown')
+        )`)
         .all(JSON.stringify([...preparingJobs])) as Holder[];
 }