fix(licensing): support bootstrap and activated JSON .lic imports, lock auto-update when unlicensed, and add upload confirmation warning

tests/test_updates.py

@@ -127,7 +127,23 @@ class TestUpdateSystem(unittest.TestCase):
             f.write(b"WIN_CLIENT_V0360")
         self.update_mgr.register_client_package("windows", dummy_pkg, version="0.3.6.0")
 
-        # 3. Client update check endpoint
+        # 3. Client update check endpoint (Unlicensed should block auto_update)
+        chk_blocked = Server.check_client_update(
+            client_id="win-client-01",
+            os="windows",
+            current_version="0.3.5.1"
+        )
+        self.assertFalse(chk_blocked["update_available"])
+        self.assertIn("not authorized", chk_blocked.get("reason", ""))
+
+        # 4. Enable auto_update feature flag in license config
+        import sqlite3
+        conn = sqlite3.connect(self.test_db)
+        conn.execute("UPDATE license_config SET license_status = 'active', features = '[\"auto_update\"]' WHERE id = 1")
+        conn.commit()
+        conn.close()
+
+        # 5. Client update check endpoint (Licensed)
         chk_resp = Server.check_client_update(
             client_id="win-client-01",
             os="windows",