feat: add public homepage and downloads

apps/portal/tests.py

@@ -18,6 +18,7 @@ from apps.billing.models import (
     PricingRule,
     RechargeOrder,
 )
+from apps.portal.models import DownloadRelease
 from apps.users.models import ApiKey, UserWallet
 
 
@@ -110,6 +111,25 @@ class PortalAccountFlowTests(TestCase):
             ai_model=ai_model,
         )
 
+    def create_download_release(
+        self,
+        *,
+        version: str = "1.0.0",
+        platform: str = DownloadRelease.Platform.WINDOWS,
+        is_current: bool = True,
+        external_url: str = "https://download.example.com/cmhub-desktop.exe",
+        sha256: str = "a" * 64,
+        release_notes: str = "首版 Windows 客户端",
+    ) -> DownloadRelease:
+        return DownloadRelease.objects.create(
+            platform=platform,
+            version=version,
+            is_current=is_current,
+            external_url=external_url,
+            sha256=sha256,
+            release_notes=release_notes,
+        )
+
     def assert_nav_link_active(self, response, *, href: str, label: str):
         html = response.content.decode("utf-8")
         self.assertIn(
@@ -211,6 +231,56 @@ class PortalAccountFlowTests(TestCase):
 
         self.assertEqual(response.status_code, 403)
 
+    def test_homepage_is_public_and_shows_anonymous_onboarding_without_release(self):
+        response = self.client.get("/")
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.resolver_match.url_name, "portal-home")
+        self.assertContains(response, "cmhub AI 电商生成台")
+        self.assertContains(response, "免费注册")
+        self.assertContains(response, "登录")
+        self.assertContains(response, "客户端暂未发布")
+        self.assertContains(response, "暂未发布")
+        self.assertNotContains(response, "/login?next=")
+
+    def test_homepage_shows_current_download_release(self):
+        release = self.create_download_release(
+            version="1.2.3",
+            external_url="https://download.example.com/cmhub-1.2.3.exe",
+            sha256="b" * 64,
+            release_notes="修复下载入口并补充 SHA256",
+        )
+
+        response = self.client.get("/")
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.context["current_release"], release)
+        self.assertContains(response, "Windows 客户端 1.2.3")
+        self.assertContains(response, "https://download.example.com/cmhub-1.2.3.exe")
+        self.assertContains(response, "b" * 64)
+        self.assertContains(response, "修复下载入口并补充 SHA256")
+        self.assertContains(response, "未知发布者")
+
+    def test_homepage_shows_dashboard_entry_for_authenticated_user(self):
+        user = self.create_verified_user()
+        self.client.force_login(user)
+
+        response = self.client.get("/")
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, "进入控制台")
+        self.assertNotContains(response, "免费注册")
+
+    def test_download_release_only_keeps_one_current_per_platform(self):
+        old_release = self.create_download_release(version="1.0.0", sha256="c" * 64)
+        new_release = self.create_download_release(version="1.1.0", sha256="d" * 64)
+
+        old_release.refresh_from_db()
+        new_release.refresh_from_db()
+
+        self.assertFalse(old_release.is_current)
+        self.assertTrue(new_release.is_current)
+
     def test_apikeys_requires_session_login(self):
         response = self.client.get("/apikeys")