feat(lib): implement A-4 M0~M1 BaseAgentAdapter pattern and resolve_home contract

.agents/skills/lib_py/verify_session.py

@@ -79,9 +79,11 @@ def workspace_key(path):
         p = path
     return p.replace("/", "-").replace("_", "-")
 
+from lib_py.paths import resolve_home
+
 def verify_session_uuid(ws, agent, uuid, row=None, home_dir=None, claude_dir=None, mode="discover"):
     import os, json, sqlite3
-    home = home_dir or os.environ.get("HOME_DIR", "")
+    home = resolve_home(home_dir)
     c_dir = claude_dir or os.environ.get("CLAUDE_PROJECT_DIR", f"{home}/.claude/projects")
     row = row or {}
     _iso = row.get("isolation")