feat: server /fetch resolves non-direct links via Odesli (Lidarr-first)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

tests/test_api_url.py

@@ -73,3 +73,43 @@ def test_search_query_still_works(client, auth, monkeypatch):
     r = client.post("/fetch", params={"q": "Daft Punk - Discovery"}, headers=auth)
     assert r.status_code == 200
     assert r.json()["status"] == "queued"
+
+
+def test_non_direct_link_resolves_and_fetches(client, auth, monkeypatch):
+    from server import mf
+    lid = mf.Hit(source="lidarr", kind="album", title="A Moment Apart",
+                 artist="ODESZA", album="A Moment Apart", year="2017",
+                 payload={"album": {"id": 9}})
+    yt = mf.Hit(source="youtube", kind="track", title="Bloom", artist="ODESZA",
+                payload={"url": "https://music.youtube.com/watch?v=YYY"})
+    monkeypatch.setattr("server.app.mf.resolve_link_hits",
+                        lambda url, limit: ("ODESZA - Bloom", [lid, yt]))
+    monkeypatch.setattr("server.app.mf.pick", lambda hits, q, ni, yf: hits[0])
+    monkeypatch.setattr("server.app.actions.perform_fetch",
+                        lambda chosen, hits, quality, root: {"path": None, "lidarr_album_id": 9})
+    r = client.post("/fetch", params={"q": "https://open.spotify.com/track/abc"}, headers=auth)
+    assert r.status_code == 200
+    body = r.json()
+    assert body["status"] == "queued"
+    assert body["hit"]["album"] == "A Moment Apart"
+    done = _wait_done(client, auth, body["job_id"])
+    assert done["status"] == "done"
+
+
+def test_non_direct_link_resolve_failure_422(client, auth, monkeypatch):
+    from server import mf as mf_mod
+
+    def boom(url, limit):
+        raise mf_mod.OdesliError(url)
+
+    monkeypatch.setattr("server.app.mf.resolve_link_hits", boom)
+    r = client.post("/fetch", params={"q": "https://open.spotify.com/track/bad"}, headers=auth)
+    assert r.status_code == 422
+    assert "resolve" in r.json()["message"].lower()
+
+
+def test_non_direct_link_no_hits_404(client, auth, monkeypatch):
+    monkeypatch.setattr("server.app.mf.resolve_link_hits",
+                        lambda url, limit: ("ODESZA - Bloom", []))
+    r = client.post("/fetch", params={"q": "https://open.spotify.com/track/abc"}, headers=auth)
+    assert r.status_code == 404