refactor(isolation): simplify agent session isolation and remove legacy home-isolation helpers

.agents/skills/multi-agent-mux-monitor/scripts/reconcile.sh

@@ -319,6 +319,7 @@ exec(os.environ['MAM_VERIFY_PY'])
 
 yaml_path = os.environ['YAML_PATH']
 home = os.environ['HOME_DIR']
+skills_dir = os.environ.get('SKILLS_DIR', '')
 claude_project_dir = os.environ.get('CLAUDE_PROJECT_DIR', f"{home}/.claude/projects")
 
 now_iso = datetime.now(timezone.utc).strftime('%Y-%m-%dT%H:%M:%SZ')
@@ -529,8 +530,7 @@ for s in d.get('herdr_sessions', []):
     if not cwd:
         continue
     key = workspace_key(cwd)
-    iso = s.get('isolation', {}).get('root') if isinstance(s.get('isolation'), dict) else None
-    proj_dir = f"{iso}/projects/{key}" if iso else f"{claude_project_dir}/{key}"
+    proj_dir = f"{claude_project_dir}/{key}"
     if not os.path.isdir(proj_dir):
         continue
     jsonls = sorted(glob.glob(f"{proj_dir}/*.jsonl"), key=os.path.getmtime, reverse=True)
@@ -563,16 +563,26 @@ for s in d.get('herdr_sessions', []):
     cwd = (s.get('pane') or {}).get('cwd', '')
     if not cwd:
         continue
-    iso = s.get('isolation', {}).get('root') if isinstance(s.get('isolation'), dict) else None
-    conv_dir = f"{iso}/.gemini/antigravity-cli/conversations" if iso else f"{home}/.gemini/antigravity-cli/conversations"
+    conv_dir = f"{home}/.gemini/antigravity-cli/conversations"
     if not os.path.isdir(conv_dir):
         continue
     dbs = sorted(glob.glob(f"{conv_dir}/*.db"), key=os.path.getmtime, reverse=True)
     
+    sibling_claimed = [
+        other.get('agy_conversation_id_own')
+        for other in d.get('herdr_sessions', [])
+        if other is not s
+        and (other.get('pane') or {}).get('cwd') == cwd
+        and other.get('status') not in ('stopped', 'terminated')
+        and other.get('agy_conversation_id_own')
+    ]
+    s_eval = dict(s)
+    s_eval['_sibling_claimed_uuids'] = sibling_claimed
+
     valid_candidates = []
     for db in dbs:
         uuid = os.path.basename(db)[:-3]
-        if verify_session_uuid(cwd, 'agy', uuid, s, mode="discover"):
+        if verify_session_uuid(cwd, 'agy', uuid, s_eval, mode="discover"):
             valid_candidates.append(uuid)
             
     if len(valid_candidates) == 1:
@@ -597,8 +607,7 @@ for s in d.get('herdr_sessions', []):
     cwd = (s.get('pane') or {}).get('cwd', '')
     if not cwd:
         continue
-    iso = s.get('isolation', {}).get('root') if isinstance(s.get('isolation'), dict) else None
-    hdb = f"{iso}/.hermes/state.db" if iso else f"{home}/.hermes/state.db"
+    hdb = f"{home}/.hermes/state.db"
     if not os.path.exists(hdb):
         continue
     
@@ -636,8 +645,7 @@ for s in d.get('herdr_sessions', []):
     cwd = (s.get('pane') or {}).get('cwd', '')
     if not cwd:
         continue
-    iso = s.get('isolation', {}).get('root') if isinstance(s.get('isolation'), dict) else None
-    sessions_dir = f"{iso}/sessions" if iso else f"{home}/.cline/data/sessions"
+    sessions_dir = f"{home}/.cline/data/sessions"
     if not os.path.isdir(sessions_dir):
         continue
     candidates = []