feat(multi-agent-mux): integrate cline agent support, fix sqlite3 naming collision, simplify delegation docs, and add SKILL_FEATURES.md

.agents/skills/lib.sh

@@ -487,6 +487,10 @@ def hermes_exists(uuid):
         return False
 
 
+def cline_exists(uuid):
+    return os.path.exists(f"{home}/.cline/data/sessions/{uuid}/{uuid}.json")
+
+
 def emit(u):
     print(u)
     raise SystemExit(0)
@@ -536,6 +540,10 @@ for s in sessions:
         cand = s.get('hermes_conversation_id_own')
         if cand and hermes_exists(cand):
             emit(cand)
+    if agent == 'cline' and name.endswith('-creator-cline'):
+        cand = s.get('cline_conversation_id_own')
+        if cand and cline_exists(cand):
+            emit(cand)
 
 # 2) disk scan scoped to THIS workspace
 if agent == 'claude':
@@ -578,6 +586,27 @@ elif agent == 'hermes':
             cand = None
         if cand:
             emit(cand)
+elif agent == 'cline':
+    sessions_dir = f"{home}/.cline/data/sessions"
+    if os.path.isdir(sessions_dir):
+        candidates = []
+        for session_folder in glob.glob(f"{sessions_dir}/*"):
+            if os.path.isdir(session_folder):
+                folder_name = os.path.basename(session_folder)
+                json_file = f"{session_folder}/{folder_name}.json"
+                if os.path.exists(json_file):
+                    candidates.append(json_file)
+        candidates.sort(key=os.path.getmtime, reverse=True)
+        for j in candidates:
+            try:
+                with open(j) as f:
+                    sdata = json.load(f)
+                if sdata.get('cwd') == ws or sdata.get('workspace_root') == ws:
+                    sid = sdata.get('session_id')
+                    if sid:
+                        emit(sid)
+            except Exception:
+                pass
 
 # 3) agent_identities cache, ONLY when its project_cwd == this workspace
 ai = {}
@@ -609,6 +638,10 @@ if ai_agent.get('project_cwd') == ws:
         cand = ai_agent.get('session_id') or ai.get('conversation_id')
         if cand and hermes_exists(cand):
             emit(cand)
+    elif agent == 'cline':
+        cand = ai_agent.get('session_id') or ai.get('conversation_id')
+        if cand and cline_exists(cand):
+            emit(cand)
 
 print('')
 PYEOF