Clear stale worker identity on project attach

resources/scripts/napseer_mcp_server.py

@@ -7059,17 +7059,20 @@ def operator_project_attach(args=None):
     if not project_id:
         raise RuntimeError("OAuth authorization did not return a selected project_id")
     token_expires_at = iso_timestamp_after_seconds(int(result.get("expires_in") or 0))
-    save_auth({
-        "base_url": result.get("api_base_url") or BASE_URL,
-        "token": result.get("access_token"),
-        "refresh_token": result.get("refresh_token"),
-        "token_expires_at": token_expires_at,
-        "refresh_expires_at": result.get("refresh_expires_at"),
-        "project_id": project_id,
-        "account_mode": "operator_project",
-        "oauth_client_id": "nap-cli",
-        "oauth_scope": result.get("scope"),
-    })
+    replace_public_auth_state(
+        {
+            "base_url": result.get("api_base_url") or BASE_URL,
+            "token": result.get("access_token"),
+            "refresh_token": result.get("refresh_token"),
+            "token_expires_at": token_expires_at,
+            "refresh_expires_at": result.get("refresh_expires_at"),
+            "project_id": project_id,
+            "account_mode": "operator_project",
+            "oauth_client_id": "nap-cli",
+            "oauth_scope": result.get("scope"),
+        },
+        clear_keys=WORKER_BINDING_AUTH_KEYS,
+    )
     try:
         project = request_json("GET", f"/v1/projects/{project_id}")
         save_auth_file_credentials({
@@ -13921,6 +13924,16 @@ PROJECT_BINDING_AUTH_KEYS = {
     "service_registration_id",
 }
 
+WORKER_BINDING_AUTH_KEYS = {
+    "worker_id",
+    "agent_id",
+    "worker_name",
+    "worker_capabilities",
+    "claimed_account_id",
+    "claimed_at",
+    "service_registration_id",
+}
+
 
 def replace_public_auth_state(updates, *, clear_keys=()):
     current_public = load_public_auth_file()

tests/test_project_attach_oauth.py

@@ -25,6 +25,7 @@ def run():
     test_state = tempfile.TemporaryDirectory()
     mod.AUTH_PATH = pathlib.Path(test_state.name) / "auth.json"
     saves = []
+    replacements = []
 
     def save_auth(updates):
         saves.append(dict(updates))
@@ -40,7 +41,11 @@ def run():
     }
     mod.save_auth = save_auth
     mod.save_auth_file_credentials = save_auth
-    mod.replace_public_auth_state = lambda updates, clear_keys=(): save_auth(updates)
+    def replace_public_auth_state(updates, clear_keys=()):
+        replacements.append(set(clear_keys))
+        save_auth(updates)
+
+    mod.replace_public_auth_state = replace_public_auth_state
     mod.request_json = lambda method, path: {
         "id": PROJECT_ID,
         "slug": "existing-project",
@@ -54,12 +59,15 @@ def run():
     assert saves[0]["refresh_token"] == "oauth-refresh-token"
     assert saves[0]["project_id"] == PROJECT_ID
     assert saves[0]["account_mode"] == "operator_project"
+    assert replacements[0] == mod.WORKER_BINDING_AUTH_KEYS
+    assert "project_id" not in replacements[0]
     assert "napseer.projects.read" in saves[0]["oauth_scope"]
     assert saves[1]["project_slug"] == "existing-project"
     assert result["project_id"] == PROJECT_ID
     assert result["project"]["name"] == "Existing Project"
 
     saves.clear()
+    replacements.clear()
     mod.oauth_loopback_authorize = lambda args: {
         "api_base_url": "https://api.example.test",
         "access_token": "account-token",