feat: skills - add auto-tmux swarm metrics

skills/auto-tmux/SKILL.md

@@ -154,6 +154,7 @@ skills/auto-tmux/scripts/swarm-state.sh lock-prune --older-than 3600 --dry-run
 skills/auto-tmux/scripts/swarm-state.sh task-block --id task-001 --owner <session>:<window>.<pane> --reason "等待输入"
 skills/auto-tmux/scripts/swarm-state.sh task-fail --id task-001 --owner <session>:<window>.<pane> --reason "测试失败"
 skills/auto-tmux/scripts/swarm-state.sh task-list --status FAIL --dir /tmp/ai_swarm
+skills/auto-tmux/scripts/swarm-state.sh metrics --dir /tmp/ai_swarm
 skills/auto-tmux/scripts/swarm-state.sh task-reopen --id task-001 --owner <session>:<window>.<pane> --reason "重新执行"
 skills/auto-tmux/scripts/swarm-state.sh validate --dir /tmp/ai_swarm
 skills/auto-tmux/scripts/swarm-state.sh report --dir /tmp/ai_swarm

skills/auto-tmux/references/automation.md

@@ -219,6 +219,7 @@ skills/auto-tmux/scripts/swarm-state.sh lock-prune --older-than 3600 --dry-run
 
 ```bash
 skills/auto-tmux/scripts/swarm-state.sh task-done --id task-001 --owner "ai-hub:2.1" --result "make test passed"
+skills/auto-tmux/scripts/swarm-state.sh metrics
 skills/auto-tmux/scripts/swarm-state.sh validate
 skills/auto-tmux/scripts/swarm-state.sh report
 ```

skills/auto-tmux/references/swarm-state.md

@@ -145,9 +145,12 @@ skills/auto-tmux/scripts/swarm-state.sh task-reopen \
 校验状态一致性：
 
 ```bash
+skills/auto-tmux/scripts/swarm-state.sh metrics
 skills/auto-tmux/scripts/swarm-state.sh validate
 ```
 
+`metrics` 会按任务状态、owner 和当前锁数量输出摘要，适合 commander 快速判断蜂群是否堵塞。
+
 `validate` 会检查 `tasks.tsv` 表头、字段数量、重复任务 ID、非法状态、终态任务结果文件，以及锁目录中的 `owner` / `created_at`。
 
 ## 锁管理

skills/auto-tmux/scripts/README.md

@@ -57,6 +57,7 @@ skills/auto-tmux/scripts/swarm-state.sh lock-prune --older-than 3600 --dry-run -
 skills/auto-tmux/scripts/swarm-state.sh task-block --id task-001 --owner "$target" --reason "等待输入" --dir /tmp/ai_swarm
 skills/auto-tmux/scripts/swarm-state.sh task-fail --id task-001 --owner "$target" --reason "测试失败" --dir /tmp/ai_swarm
 skills/auto-tmux/scripts/swarm-state.sh task-list --status FAIL --dir /tmp/ai_swarm
+skills/auto-tmux/scripts/swarm-state.sh metrics --dir /tmp/ai_swarm
 skills/auto-tmux/scripts/swarm-state.sh task-reopen --id task-001 --owner "$target" --reason "重新执行" --dir /tmp/ai_swarm
 skills/auto-tmux/scripts/swarm-state.sh validate --dir /tmp/ai_swarm
 skills/auto-tmux/scripts/swarm-state.sh report --dir /tmp/ai_swarm

skills/auto-tmux/scripts/auto-tmux-smoke-test.sh

@@ -72,6 +72,8 @@ grep -q 'imported-001' /tmp/auto-tmux-smoke-task-next.txt
 "$SWARM_STATE" task-fail --dir "$SWARM_DIR" --id smoke-fail --owner "$worker_target" --reason "expected failure"
 "$SWARM_STATE" task-list --dir "$SWARM_DIR" --status FAIL >/tmp/auto-tmux-smoke-task-list-fail.txt
 grep -q 'smoke-fail' /tmp/auto-tmux-smoke-task-list-fail.txt
+"$SWARM_STATE" metrics --dir "$SWARM_DIR" >/tmp/auto-tmux-smoke-metrics.txt
+grep -q 'FAIL' /tmp/auto-tmux-smoke-metrics.txt
 "$SWARM_STATE" report --dir "$SWARM_DIR" >/tmp/auto-tmux-smoke-report.txt
 "$SWARM_STATE" validate --dir "$SWARM_DIR" >/tmp/auto-tmux-smoke-state-validate.txt
 grep -q 'smoke-task' /tmp/auto-tmux-smoke-report.txt

skills/auto-tmux/scripts/swarm-state.sh

@@ -31,6 +31,7 @@ Usage:
   swarm-state.sh lock-list [--dir DIR]
   swarm-state.sh lock-prune --older-than SEC [--dir DIR] [--dry-run]
   swarm-state.sh report [--dir DIR]
+  swarm-state.sh metrics [--dir DIR]
   swarm-state.sh validate [--dir DIR]
 
 Environment:
@@ -467,6 +468,27 @@ cmd_report() {
   cmd_status -n 20
 }
 
+cmd_metrics() {
+  while [[ $# -gt 0 ]]; do
+    case "$1" in
+      --dir) set_dir "${2:-}"; shift 2 ;;
+      *) die "unknown metrics option: $1" ;;
+    esac
+  done
+  ensure_init
+  printf '# swarm metrics\n\n'
+  printf 'dir: %s\n\n' "$SWARM_DIR"
+  printf '## by status\n\n'
+  awk -F '\t' 'NR > 1 {count[$2]++} END {for (status in count) print status "\t" count[status]}' "$TASKS_TSV" |
+    sort | column -t -s $'\t' 2>/dev/null || true
+  printf '\n## by owner\n\n'
+  awk -F '\t' 'NR > 1 {count[$3]++} END {for (owner in count) print owner "\t" count[owner]}' "$TASKS_TSV" |
+    sort | column -t -s $'\t' 2>/dev/null || true
+  printf '\n## locks\n\n'
+  find "$LOCKS_DIR" -mindepth 1 -maxdepth 1 -type d -name '*.lock.d' | wc -l | awk '{print "active_locks\t" $1}' |
+    column -t -s $'\t' 2>/dev/null || true
+}
+
 cmd_validate() {
   while [[ $# -gt 0 ]]; do
     case "$1" in
@@ -560,6 +582,7 @@ main() {
     lock-list) cmd_lock_list "$@" ;;
     lock-prune) cmd_lock_prune "$@" ;;
     report) cmd_report "$@" ;;
+    metrics) cmd_metrics "$@" ;;
     validate) cmd_validate "$@" ;;
     *) die "unknown command: $cmd" ;;
   esac