feat(series): /api/series pages/add/remove/reorder/cover routes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/test_api_series.py

@@ -0,0 +1,72 @@
+import pytest
+
+from backend.app import create_app
+
+pytestmark = pytest.mark.integration
+
+
+@pytest.fixture
+async def app():
+    return create_app()
+
+
+@pytest.fixture
+async def client(app):
+    async with app.test_client() as c:
+        yield c
+
+
+async def _series(client, name="Vol"):
+    r = await client.post("/api/tags", json={"name": name, "kind": "series"})
+    return (await r.get_json())["id"]
+
+
+@pytest.mark.asyncio
+async def test_pages_404_for_non_series(client):
+    r = await client.post("/api/tags", json={"name": "g", "kind": "general"})
+    gid = (await r.get_json())["id"]
+    resp = await client.get(f"/api/series/{gid}/pages")
+    assert resp.status_code == 404
+
+
+@pytest.mark.asyncio
+async def test_pages_empty_shape(client):
+    sid = await _series(client, "Empty")
+    resp = await client.get(f"/api/series/{sid}/pages")
+    assert resp.status_code == 200
+    body = await resp.get_json()
+    assert body["series"]["id"] == sid
+    assert body["pages"] == []
+
+
+@pytest.mark.asyncio
+async def test_add_requires_ids(client):
+    sid = await _series(client, "NoIds")
+    resp = await client.post(f"/api/series/{sid}/pages", json={})
+    assert resp.status_code == 400
+
+
+@pytest.mark.asyncio
+async def test_add_over_cap_400(client):
+    sid = await _series(client, "Cap")
+    resp = await client.post(
+        f"/api/series/{sid}/pages",
+        json={"image_ids": list(range(1, 502))},
+    )
+    assert resp.status_code == 400
+
+
+@pytest.mark.asyncio
+async def test_reorder_mismatch_400(client):
+    sid = await _series(client, "Re")
+    resp = await client.post(
+        f"/api/series/{sid}/reorder", json={"image_ids": [1, 2, 3]}
+    )
+    assert resp.status_code == 400
+
+
+@pytest.mark.asyncio
+async def test_cover_requires_image_id(client):
+    sid = await _series(client, "Cov")
+    resp = await client.post(f"/api/series/{sid}/cover", json={})
+    assert resp.status_code == 400