Jobs: big jobs stuck in queue. Added Cancel, Resubmit

tests/ui/test_sources_page.py

@@ -138,3 +138,52 @@ class TestSourcesPageRendering:
         assert "human revision text" in response.text
         assert "Page Number:" in response.text
         assert "Stored Filename:" in response.text
+        assert "Delete Source" in response.text
+
+    def test_source_delete_page_blocks_when_source_is_job_linked(self, app_client, seed_job):
+        _, client = app_client
+        job_id = seed_job(filename="linked-source.png", transcription_text="linked text")
+
+        async def _get_source_id() -> str:
+            async with session_scope() as session:
+                job = await session.get(Job, job_id)
+                assert job is not None
+                source = (
+                    await session.exec(select(Source).where(Source.document_id == job.document_id))
+                ).first()
+                assert source is not None
+                return str(source.id)
+
+        source_id = asyncio.run(_get_source_id())
+        response = client.get(f"/ui/sources/{source_id}/delete")
+
+        assert response.status_code == 200
+        assert "Delete Source Record" in response.text
+        assert "Delete is only available for unlinked sources." in response.text
+
+    def test_source_delete_page_allows_unlinked_source(self, app_client):
+        _, client = app_client
+
+        async def _seed_unlinked_source() -> str:
+            async with session_scope() as session:
+                document = Document(name="Unlinked Source Doc", document_type="memo")
+                session.add(document)
+                await session.flush()
+                source = Source(
+                    document_id=document.id,
+                    page_number=1,
+                    upload_name="orphan-source.png",
+                    filename="orphan-source.png",
+                    file_path="/tmp/orphan-source.png",
+                )
+                session.add(source)
+                await session.commit()
+                return str(source.id)
+
+        source_id = asyncio.run(_seed_unlinked_source())
+        response = client.get(f"/ui/sources/{source_id}/delete")
+
+        assert response.status_code == 200
+        assert "Delete Source Record" in response.text
+        assert "Delete source permanently" in response.text
+        assert "Delete is only available for unlinked sources." not in response.text