Add video resolution and duration options to video generation forms; implement video status polling in frontend

Co-authored-by: Copilot <copilot@github.com>

frontend/tests/test_frontend.py

@@ -226,7 +226,8 @@ def test_generate_video_text_mode(client):
     with patch("frontend.app.main.httpx.request", return_value=mock):
         resp = client.post("/generate/video", data={
             "mode": "text", "model": "openai/sora-2-pro",
-            "prompt": "A sunset", "aspect_ratio": "16:9"
+            "prompt": "A sunset", "aspect_ratio": "16:9",
+            "duration_seconds": "10", "resolution": "720p",
         })
     assert resp.status_code == 200
     assert b"queued" in resp.data
@@ -347,3 +348,73 @@ def test_profile_update_failure(client):
             "/users/profile", data={"email": "bad", "password": ""})
     # redirects regardless, flash message shown on next GET
     assert resp.status_code == 302
+
+
+# ---------------------------------------------------------------------------
+# GET /generate/video/status  (polling proxy)
+# ---------------------------------------------------------------------------
+
+def test_video_status_proxy_completed(client):
+    _set_auth(client)
+    mock = _mock_response(200, {
+        "id": "v1", "model": "", "status": "completed",
+        "video_url": "https://example.com/video.mp4",
+        "unsigned_urls": ["https://example.com/video.mp4"],
+    })
+    with patch("frontend.app.main.httpx.request", return_value=mock):
+        resp = client.get(
+            "/generate/video/status",
+            query_string={
+                "polling_url": "https://openrouter.ai/api/v1/videos/v1"},
+        )
+    assert resp.status_code == 200
+    data = resp.get_json()
+    assert data["status"] == "completed"
+    assert data["video_url"] == "https://example.com/video.mp4"
+
+
+def test_video_status_proxy_processing(client):
+    _set_auth(client)
+    mock = _mock_response(
+        200, {"id": "v1", "model": "", "status": "processing"})
+    with patch("frontend.app.main.httpx.request", return_value=mock):
+        resp = client.get(
+            "/generate/video/status",
+            query_string={
+                "polling_url": "https://openrouter.ai/api/v1/videos/v1"},
+        )
+    assert resp.status_code == 200
+    assert resp.get_json()["status"] == "processing"
+
+
+def test_video_status_proxy_requires_login(client):
+    resp = client.get(
+        "/generate/video/status",
+        query_string={"polling_url": "https://openrouter.ai/api/v1/videos/v1"},
+    )
+    assert resp.status_code == 302
+    assert "/login" in resp.headers["Location"]
+
+
+def test_video_status_proxy_missing_url(client):
+    _set_auth(client)
+    resp = client.get("/generate/video/status")
+    assert resp.status_code == 400
+    assert b"polling_url" in resp.data
+
+
+def test_video_generate_renders_polling_ui(client):
+    """When response has polling_url, template shows polling div."""
+    _set_auth(client)
+    mock = _mock_response(200, {
+        "id": "v1", "model": "openai/sora-2-pro", "status": "queued",
+        "polling_url": "https://openrouter.ai/api/v1/videos/v1",
+    })
+    with patch("frontend.app.main.httpx.request", return_value=mock):
+        resp = client.post("/generate/video", data={
+            "mode": "text", "model": "openai/sora-2-pro",
+            "prompt": "A sunset", "aspect_ratio": "16:9",
+        })
+    assert resp.status_code == 200
+    assert b"video-poll-status" in resp.data
+    assert b"openrouter.ai/api/v1/videos/v1" in resp.data