feat: implement job state, queue state, and worker recovery in WAL replay

WAL payloads:
- Job state transitions (START/FINISH/FAIL/STOP/RESUME/UPDATE etc):
  wal_jobstate_t {uint64_t jobid, uint32_t state} — restores exact state flags
- Queue state (QUEUE_CTRL): wal_queuehdr_t {uint32_t status} + name string —
  re-applies admin open/close/active/inactive after config queues are built
- Worker CTRL: existing [uint32_t detail][capnp xce_worker_t] unchanged

New recovery functions:
- restore_job_state(c, jobid, state): looks up job, overwrites state flags
- restore_queue_state(c, name, status): looks up queue, overwrites status

apply_wal_entry: dispatches all WAL types including job state and queue
test_repl_apply.c: weak stubs for restore_job_state/restore_queue_state
  so unit test binary links without job.c/queue.c

src/controller/job.c

@@ -102,6 +102,24 @@ int restore_job(cluster_t* c, uint64_t jobid_unused,
     return 0;
 }
 
+/* Apply a recorded job state transition during WAL recovery.
+ * Looks up the job (which must already exist from WAL_JOB_SUBMIT replay)
+ * and overwrites its state with the value stored in the WAL entry. */
+int restore_job_state(cluster_t* c, uint64_t jobid, uint32_t state)
+{
+    job_t* j = NULL;
+    lock(c->jobmgr, RTTI_LOCK_READ);
+    key_find(c->jobmgr, (void*)jobid, (void**)&j);
+    unlock(c->jobmgr);
+    if (!j)
+        return -ENOENT;
+
+    lock(j, RTTI_LOCK_WRITE);
+    j->job.state = (int)state;
+    unlock(j);
+    return 0;
+}
+
 static int get_nslots_in_alloc(xce_host_alloc_t* alloc)
 {
     int i;