fix(wake): #927 enqueue TOCTOU — move stale-tmp cleanup off the hot enqueue path (no concurrent in-flight-write clobber) (#928)

Co-authored-by: jason.woltje <jason@diversecanvas.com>
Co-committed-by: jason.woltje <jason@diversecanvas.com>

packages/mosaic/framework/tools/wake/detector.sh

@@ -318,6 +318,13 @@ cmd_poll_once() {
   fi
 
   _wake_init_dir "$STATE_DIR"
+  # Detector-run maintenance stale-tmp reap (#927). Stale-tmp cleanup was moved
+  # OFF the per-enqueue hot path (it clobbered concurrent in-flight writes); the
+  # detector poll tick is a natural once-per-pass maintenance point that bounds
+  # crash-left tmp accumulation on the long-running co-feed daemon. Age-scoped,
+  # so it can never delete a live in-flight enqueue write (its own or a
+  # concurrent reconciler's).
+  _wake_clean_stale_tmp "$STATE_DIR"
   mkdir -p "$DET_DIR"
 
   # Iterate the DECLARED source-coverage inventory (§4/G3): only sources listed