fix: highlight active portal navigation

apps/portal/tests.py

@@ -110,6 +110,20 @@ class PortalAccountFlowTests(TestCase):
             ai_model=ai_model,
         )
 
+    def assert_nav_link_active(self, response, *, href: str, label: str):
+        html = response.content.decode("utf-8")
+        self.assertIn(
+            f'<a class="btn btn-sm btn-primary" aria-current="page" href="{href}">{label}</a>',
+            html,
+        )
+
+    def assert_nav_link_inactive(self, response, *, href: str, label: str):
+        html = response.content.decode("utf-8")
+        self.assertIn(
+            f'<a class="btn btn-sm btn-outline-secondary" href="{href}">{label}</a>',
+            html,
+        )
+
     def test_signup_creates_unverified_user_wallet_with_zero_points_and_no_ledger(self):
         suffix = uuid.uuid4().hex[:8]
         email = f"signup-{suffix}@example.com"
@@ -250,6 +264,31 @@ class PortalAccountFlowTests(TestCase):
         self.assertNotContains(response, "api_key_encrypted")
         self.assertNotContains(response, "extra_body")
 
+    def test_authenticated_nav_highlights_current_page_only(self):
+        user = self.create_verified_user()
+        self.client.force_login(user)
+        cases = (
+            ("/dashboard", "/dashboard", "控制台"),
+            ("/recharge", "/recharge", "充值"),
+            ("/apikeys", "/apikeys", "API Key"),
+            ("/models", "/models", "可用模型"),
+            ("/records/recharge", "/records/recharge", "充值记录"),
+            ("/records/usage", "/records/usage", "消费记录"),
+        )
+
+        for path, href, label in cases:
+            with self.subTest(path=path):
+                response = self.client.get(path)
+
+                self.assertEqual(response.status_code, 200)
+                self.assert_nav_link_active(response, href=href, label=label)
+                if path != "/recharge":
+                    self.assert_nav_link_inactive(
+                        response,
+                        href="/recharge",
+                        label="充值",
+                    )
+
     def test_create_api_key_shows_plaintext_once_and_stores_only_hash(self):
         user = self.create_verified_user()
         self.client.force_login(user)