fix: skip malformed pull request entries (#83)

src/main.py

@@ -119,6 +119,10 @@ async def context() -> JSONResponse:
         PullRequest(id=p["id"], number=p["number"], title=p["title"], state=p["state"], user=(p.get("user") or {}).get("login", ""), url=p["html_url"])
         for p in (prs_data or [])[:50]
         if isinstance(p, dict)
+        and all(
+            field in p
+            for field in ("id", "number", "title", "state", "html_url")
+        )
     ]
     ctx = compute(user_model, repo_models, issue_models, pr_models)
     return JSONResponse(ctx.model_dump())

tests/test_context_timeout.py

@@ -250,3 +250,36 @@ async def test_context_skips_malformed_issue_entries(monkeypatch):
     issues = json.loads(response.body)["issues"]
 
     assert [issue["title"] for issue in issues] == ["Valid issue"]
+
+
+@pytest.mark.anyio
+async def test_context_skips_malformed_pull_request_entries(monkeypatch):
+    async def user():
+        return {"id": 1, "login": "timmy"}
+
+    async def pull_request_collection():
+        return [
+            {"id": 83, "title": "missing-required-fields"},
+            {
+                "id": 1,
+                "number": 83,
+                "title": "Valid pull request",
+                "state": "open",
+                "html_url": "https://forge.example/stackchain/stackchain-dashboard/pulls/83",
+            },
+        ]
+
+    async def empty_collection():
+        return []
+
+    monkeypatch.setattr(main, "current_user", user)
+    monkeypatch.setattr(main, "repos", empty_collection)
+    monkeypatch.setattr(main, "issues", empty_collection)
+    monkeypatch.setattr(main, "pull_requests", pull_request_collection)
+
+    response = await main.context()
+    pull_requests = json.loads(response.body)["pull_requests"]
+
+    assert [pull_request["title"] for pull_request in pull_requests] == [
+        "Valid pull request"
+    ]