feat: implement metadata catalog database management

backend/src/auth/session-store.ts

@@ -33,7 +33,7 @@ const EMPTY_HKDF_SALT = Buffer.alloc(0);
 const ROLES = ["user", "admin"] as const;
 const PERMISSIONS = [
   "session.use", "session.read_all", "session.manage_all", "settings.manage",
-  "workspace.manage", "workspace.secrets.manage", "pi.manage", "auth.diagnostics.read",
+  "workspace.manage", "workspace.secrets.manage", "database.manage", "pi.manage", "auth.diagnostics.read",
 ] as const satisfies readonly Permission[];
 
 const invalid = (): Error => new Error("auth_session_store_invalid");