fix(lib): enhance target agent resolution and import fallback in herdr shim

.agents/skills/lib.sh

@@ -246,22 +246,58 @@ case "$cmd" in
   agent)
     sub="${1:-}"
     shift || true
+    _resolve_herdr_target() {
+      local raw="$1"
+      local sat
+      sat=$(_sanitize_herdr_agent_name "$raw")
+      if _real_herdr agent get "$sat" >/dev/null 2>&1; then
+        echo "$sat"
+        return 0
+      fi
+      if _real_herdr agent get "$raw" >/dev/null 2>&1; then
+        echo "$raw"
+        return 0
+      fi
+      local from_list
+      from_list=$(_real_herdr agent list 2>/dev/null | TARGET_NAME="$raw" python3 -c '
+import sys, json, os
+tn = os.environ.get("TARGET_NAME", "")
+try:
+    d = json.loads(sys.stdin.read())
+    for a in d.get("result", {}).get("agents", []):
+        name = a.get("name", "")
+        agent = a.get("agent", "")
+        pane_id = a.get("pane_id", "")
+        if name == tn or (not name and agent and agent in tn):
+            print(pane_id or agent)
+            sys.exit(0)
+except Exception:
+    pass
+sys.exit(1)
+' 2>/dev/null || echo "")
+      if [ -n "$from_list" ]; then
+        echo "$from_list"
+        return 0
+      fi
+      echo "$raw"
+    }
+
     if [ "$sub" = "prompt" ] && [ $# -ge 2 ]; then
       t="$1"
       txt="$2"
       shift 2
-      at=$(_sanitize_herdr_agent_name "$t")
-      _real_herdr agent prompt "$at" "$txt" "$@" 2>/dev/null || _real_herdr agent prompt "$t" "$txt" "$@"
+      tgt=$(_resolve_herdr_target "$t")
+      _real_herdr agent prompt "$tgt" "$txt" "$@"
     elif [ "$sub" = "get" ] && [ $# -ge 1 ]; then
       t="$1"
       shift
-      at=$(_sanitize_herdr_agent_name "$t")
-      _real_herdr agent get "$at" "$@" 2>/dev/null || _real_herdr agent get "$t" "$@"
+      tgt=$(_resolve_herdr_target "$t")
+      _real_herdr agent get "$tgt" "$@"
     elif [ "$sub" = "read" ] && [ $# -ge 1 ]; then
       t="$1"
       shift
-      at=$(_sanitize_herdr_agent_name "$t")
-      _real_herdr agent read "$at" "$@" 2>/dev/null || _real_herdr agent read "$t" "$@"
+      tgt=$(_resolve_herdr_target "$t")
+      _real_herdr agent read "$tgt" "$@"
     else
       _real_herdr agent "$sub" "$@"
     fi
@@ -284,22 +320,26 @@ case "$cmd" in
     if _real_herdr agent get "$(_sanitize_herdr_agent_name "$sess")" >/dev/null 2>&1 || _real_herdr agent get "$sess" >/dev/null 2>&1; then
       exit 0
     fi
-    if _real_herdr agent list 2>/dev/null | TARGET_NAME="$sess" python3 -c "
+    if _real_herdr agent list 2>/dev/null | TARGET_NAME="$sess" python3 -c '
 import sys, json, os
-from lib_py.agents.sanitize import sanitize_herdr_agent_name
-tn = os.environ.get('TARGET_NAME', '')
+try:
+    sys.path.insert(0, os.path.abspath(".agents/skills"))
+    from lib_py.agents.sanitize import sanitize_herdr_agent_name
+except Exception:
+    sanitize_herdr_agent_name = lambda s: s.lower()[:32] if s else "agent"
+tn = os.environ.get("TARGET_NAME", "")
 stn = sanitize_herdr_agent_name(tn)
 try:
     d = json.loads(sys.stdin.read())
-    agents = d.get('result', {}).get('agents', [])
+    agents = d.get("result", {}).get("agents", [])
     for a in agents:
-        an = a.get('name', '')
-        if an == tn or an == stn:
+        an = a.get("name", "")
+        if (an and (an == tn or an == stn)) or (not an and a.get("agent") and a.get("agent") in tn):
             sys.exit(0)
 except Exception:
     pass
 sys.exit(1)
-"; then
+'; then
       exit 0
     fi
     exit 1