diff --git a/agent-queue/agent-queue.sh b/agent-queue/agent-queue.sh
index b8983f3..dfd412e 100755
--- a/agent-queue/agent-queue.sh
+++ b/agent-queue/agent-queue.sh
@@ -35,6 +35,9 @@ LOCKS="$QUEUE_ROOT/locks"
 MAX_CONCURRENCY="${AGENT_QUEUE_MAX:-2}"
 DEFAULT_ENGINE="${AGENT_QUEUE_ENGINE:-devin}"
 POLL_SECONDS="${AGENT_QUEUE_POLL:-3}"
+# A running worker is flagged "stalled" if its log has not changed in this many
+# minutes (no new agent output) — surfaced in status + dash.
+STALL_MIN="${AGENT_QUEUE_STALL_MIN:-10}"
 
 # flock is used for cross-process lock hardening when available (Linux). macOS
 # has no flock; mutual exclusion there relies on the single run-loop (see cmd_run).
@@ -103,6 +106,12 @@ lock_key_for() {
 # _keyhash <key> -> stable filename-safe token for a lock key
 _keyhash() { printf '%s' "$1" | cksum | awk '{print $1}'; }
 
+# _mtime <file> -> file modification time in epoch seconds (BSD or GNU stat); empty if missing
+_mtime() {
+  [[ -e "$1" ]] || { echo ""; return; }
+  stat -f %m "$1" 2>/dev/null || stat -c %Y "$1" 2>/dev/null || echo ""
+}
+
 # _dur_to_secs <dur> -> seconds. Accepts 90, 90s, 45m, 2h, 1d. Invalid/empty -> 0.
 _dur_to_secs() {
   local d=$1
@@ -397,14 +406,16 @@ cmd_status() {
     local pid; pid=$(grep '^pid=' "$f" | cut -d= -f2)
     [[ -n "$pid" ]] && kill -0 "$pid" 2>/dev/null || continue
     if ! $printed; then printf '  %sRUNNING%s\n' "$C_BOLD" "$C_RESET"; printed=true; fi
-    local job eng start now el last
+    local job eng start now el last lmt age stall=""
     job=$(grep '^job=' "$f" | cut -d= -f2)
     eng=$(grep '^engine=' "$f" | cut -d= -f2)
     start=$(grep '^started=' "$f" | cut -d= -f2)
     now=$(date +%s); el=$(( now - ${start:-$now} ))
     last=$(tail -n 1 "$LOGS/$job.log" 2>/dev/null | cut -c1-60)
-    printf '    %s%-26s%s %-7s %3dm%02ds  pid %-6s %s%s%s\n' \
-      "$C_BOLD" "$job" "$C_RESET" "$eng" $((el/60)) $((el%60)) "$pid" "$C_DIM" "$last" "$C_RESET"
+    lmt=$(_mtime "$LOGS/$job.log"); age=$(( now - ${lmt:-$now} ))
+    [[ "$age" -gt $(( STALL_MIN * 60 )) ]] && stall="${C_RED}⚠ stalled${C_RESET} "
+    printf '    %s%-26s%s %-7s %3dm%02ds  pid %-6s %s%s%s%s\n' \
+      "$C_BOLD" "$job" "$C_RESET" "$eng" $((el/60)) $((el%60)) "$pid" "$stall" "$C_DIM" "$last" "$C_RESET"
   done
   $printed || printf '  %sno workers running%s\n' "$C_DIM" "$C_RESET"
   echo
diff --git a/agent-queue/dashboard.mjs b/agent-queue/dashboard.mjs
index 4a4a034..148a973 100644
--- a/agent-queue/dashboard.mjs
+++ b/agent-queue/dashboard.mjs
@@ -23,6 +23,8 @@ const getArg = (flag, def) => {
 };
 const ROOT = path.resolve(getArg('--root', process.env.AGENT_QUEUE_ROOT || path.join(__dirname, 'queue')));
 const INTERVAL = Math.max(1, parseInt(getArg('--interval', '2'), 10)) * 1000;
+// A running worker is flagged stalled if its log has not changed in this many minutes.
+const STALL_MIN = Math.max(1, parseInt(process.env.AGENT_QUEUE_STALL_MIN || '10', 10));
 
 const DIRS = {
   inbox: path.join(ROOT, 'inbox'),
@@ -72,6 +74,14 @@ const lastLogLine = (job) => {
   } catch { return ''; }
 };
 
+// seconds since a job's log was last modified (no new agent output); null if no log
+const logAgeSec = (job) => {
+  try {
+    const mt = fs.statSync(path.join(DIRS.logs, `${job}.log`)).mtimeMs;
+    return Math.max(0, Math.floor((Date.now() - mt) / 1000));
+  } catch { return null; }
+};
+
 const fmtElapsed = (startSec) => {
   if (!startSec) return '  --  ';
   const s = Math.max(0, Math.floor(Date.now() / 1000) - Number(startSec));
@@ -128,11 +138,14 @@ function render() {
     for (const m of running) {
       const eng = m.engine || '?';
       const engC = ENGINE_COLOR[eng] || 'gray';
+      const age = logAgeSec(m.job);
+      const stalled = age !== null && age > STALL_MIN * 60;
       const line =
         `    ${c('bold', trunc(m.job || '?', 30).padEnd(30))} ` +
         `${c(engC, eng.padEnd(7))} ` +
         `${fmtElapsed(m.started).padStart(7)}  ` +
-        `${c('gray', 'pid ' + (m.pid || '?'))}`;
+        `${c('gray', 'pid ' + (m.pid || '?'))}` +
+        `${stalled ? '  ' + c('red', '⚠ stalled') : ''}`;
       out.push(line);
       out.push(`      ${c('dim', trunc(shortPath(m.cwd || ''), 70))}`);
       const last = lastLogLine(m.job);