feat: initialize resume agent with OfferPai sync

backend/tests/test_optimize_flow.py

@@ -0,0 +1,78 @@
+from __future__ import annotations
+
+from fastapi.testclient import TestClient
+
+from test_resume_patch_api import create_resume_with_anchor, first_entry
+
+BASE = "/ai-api/resume-agent"
+
+
+def test_optimize_confirm_undo_flow(client: TestClient) -> None:
+    session_id, body = create_resume_with_anchor(client)
+    original = first_entry(body)["description"]
+    entry_id = first_entry(body)["id"]
+
+    response = client.post(
+        f"{BASE}/sessions/{session_id}/resume/optimize", json={"entry_id": entry_id}
+    )
+    assert response.status_code == 200
+    entry = first_entry(response.json())
+    proposal = entry["pending_proposal"]
+    assert proposal["source"] == "rule_polish"
+    assert proposal["optimized_description"] == "完成课程设计。"
+    assert entry["description"] == original
+
+    response = client.post(
+        f"{BASE}/sessions/{session_id}/resume/optimize/confirm",
+        json={"entry_id": entry_id},
+    )
+    assert response.status_code == 200
+    entry = first_entry(response.json())
+    assert "pending_proposal" not in entry
+    assert entry["description"] == "完成课程设计。"
+    assert entry["provenance"] == "rule_polish"
+    assert entry["previous_version"]["description"] == original
+
+    response = client.post(
+        f"{BASE}/sessions/{session_id}/resume/optimize/undo",
+        json={"entry_id": entry_id},
+    )
+    assert response.status_code == 200
+    entry = first_entry(response.json())
+    assert entry["description"] == original
+    assert "previous_version" not in entry
+
+
+def test_optimize_reject(client: TestClient) -> None:
+    session_id, body = create_resume_with_anchor(client)
+    original = first_entry(body)["description"]
+    entry_id = first_entry(body)["id"]
+    client.post(f"{BASE}/sessions/{session_id}/resume/optimize", json={"entry_id": entry_id})
+    response = client.post(
+        f"{BASE}/sessions/{session_id}/resume/optimize/reject",
+        json={"entry_id": entry_id},
+    )
+    assert response.status_code == 200
+    entry = first_entry(response.json())
+    assert "pending_proposal" not in entry
+    assert entry["description"] == original
+
+
+def test_optimize_unknown_entry_404(client: TestClient) -> None:
+    session_id, _ = create_resume_with_anchor(client)
+    response = client.post(
+        f"{BASE}/sessions/{session_id}/resume/optimize", json={"entry_id": "entry_nope"}
+    )
+    assert response.status_code == 404
+    assert response.json()["error"]["code"] == "entry_not_found"
+
+
+def test_confirm_without_proposal_422(client: TestClient) -> None:
+    session_id, body = create_resume_with_anchor(client)
+    entry_id = first_entry(body)["id"]
+    response = client.post(
+        f"{BASE}/sessions/{session_id}/resume/optimize/confirm",
+        json={"entry_id": entry_id},
+    )
+    assert response.status_code == 422
+    assert response.json()["error"]["code"] == "optimize_not_pending"