feat: add fixed submission-blocked Alpha tab

backend/tests/test_alpha_list_fields.py

@@ -219,6 +219,7 @@ def test_migration_backfills_multiple_batches_and_preserves_research(tmp_path, m
             assert len(rows) == 503
             for i, row in enumerate(rows):
                 expected = snapshot_columns(row["settings"], row["is_metrics"], checks(i % 4), checked=True)
+                expected.pop("submission_blocked")  # Added after this historical migration.
                 assert {key: row[key] for key in expected} == expected
             record = db.execute(sa.select(research)).mappings().one()
             assert record["tags"] == ["PPAC"] and record["note"] == "keep" and record["version"] == 7

backend/tests/test_check_stage_migration.py

@@ -60,5 +60,15 @@ def test_stage_backfill_preserves_evidence_and_uses_checkpoints(tmp_path, monkey
             for i, row in enumerate(rows):
                 assert row["check_type"] == patterns[i % 7][expected_index]
                 assert row["checks"] == row["raw"]["is"]["checks"] == row["is_metrics"]["checks"] == patterns[i % 7][0]
+    command.upgrade(config, "head")
+    current = sa.Table("alphas", sa.MetaData(), autoload_with=engine)
+    with engine.connect() as db:
+        rows = db.execute(sa.select(current).order_by(current.c.id)).mappings().all()
+        for i, row in enumerate(rows):
+            assert row["submission_blocked"] is (i % 7 < 4)
+            assert row["checks"] == patterns[i % 7][0]
+    command.downgrade(config, "0019")
+    assert "submission_blocked" not in {c["name"] for c in sa.inspect(engine).get_columns("alphas")}
+    command.upgrade(config, "head")
     command.check(config)
     engine.dispose()

backend/tests/test_submission_blocked.py

@@ -0,0 +1,45 @@
+"""Submission limits filter cached unsubmitted Alpha snapshots before pagination."""
+
+import csv
+import io
+
+from app.alphas import snapshot_columns, upsert_alpha
+from tests.conftest import alpha
+
+
+async def test_blocked_filter_intersects_filters_and_export_and_refresh(app, logged_in):
+    async with app.state.sessions.begin() as db:
+        for name, result, status, region in [
+            ("blocked1", "FAIL", "UNSUBMITTED", "USA"),
+            ("blocked2", "fail", "UNSUBMITTED", "USA"),
+            ("other_region", "FAIL", "UNSUBMITTED", "CHN"),
+            ("submitted", "FAIL", "ACTIVE", "USA"),
+            ("passed", "PASS", "UNSUBMITTED", "USA"),
+            ("pending", "PENDING", "UNSUBMITTED", "USA"),
+            ("missing", None, "UNSUBMITTED", "USA"),
+        ]:
+            checks = [{"name": "LOW_SHARPE", "result": "PASS"}]
+            if result:
+                checks.append({"name": "REGULAR_SUBMISSION", "result": result})
+            await upsert_alpha(db, alpha(name, status=status, settings={"region": region}, **{"is": {"checks": checks}}))
+    query = "submission_blocked=true&region=USA&check_type=PRE_CHECK&sort=id&direction=asc&limit=1&offset=1"
+    response = await logged_in.get(f"/api/v1/alphas?{query}")
+    assert response.status_code == 200
+    assert response.json()["total"] == 2
+    assert [row["id"] for row in response.json()["items"]] == ["blocked2"]
+    export = await logged_in.get(f"/api/v1/alphas/export?{query}")
+    assert [row["id"] for row in csv.DictReader(io.StringIO(export.text.lstrip("\ufeff")))] == ["blocked1", "blocked2"]
+    assert (await logged_in.get("/api/v1/alphas?submission_blocked=true&submission=SUBMITTED")).json()["total"] == 0
+    assert (await logged_in.get("/api/v1/alphas?submission_blocked=true&q=blocked1")).json()["total"] == 1
+    async with app.state.sessions.begin() as db:
+        await upsert_alpha(db, alpha("blocked1", **{"is": {"checks": [{"name": "REGULAR_SUBMISSION", "result": "PASS"}]}}))
+    assert (await logged_in.get("/api/v1/alphas?submission_blocked=true&q=blocked1")).json()["total"] == 0
+
+
+def test_explicit_check_refreshes_limit_independently_of_quality():
+    for checked in (False, True):
+        for result, blocked in [("FAIL", True), ("PASS", False), ("PENDING", False)]:
+            columns = snapshot_columns({}, {}, [{"name": "LOW_SHARPE", "result": "PASS"},
+                                               {"name": "REGULAR_SUBMISSION", "result": result}], checked=checked)
+            assert columns["submission_blocked"] is blocked
+            assert columns["check_type"] == ("PASS" if checked else "PRE_CHECK")