feat: add trusted ticket intake backend

backend/apps/agents/tests/test_runtime.py

@@ -128,6 +128,37 @@ def test_cancellation_after_model_response_stops_following_steps(db, monkeypatch
     assert run.final_output is None
 
 
+def test_multimodal_request_keeps_base64_out_of_database_snapshots(db, monkeypatch):
+    _, version = create_agent(two_steps=False)
+    captured = {}
+
+    def request(deployment, messages, **kwargs):
+        captured["messages"] = messages
+        return CompletionResult('{"summary":"识别到截图"}', 8, 3)
+
+    monkeypatch.setattr("apps.modelhub.services._request_completion", request)
+    run = create_run(version)
+    run.input_payload["image_refs"] = [
+        {"object_path": "ticket-drafts/proof.png", "mime_type": "image/png"}
+    ]
+    run.save(update_fields=["input_payload"])
+
+    execute_agent_run(
+        run.id,
+        image_parts=[
+            {
+                "type": "image_url",
+                "image_url": {"url": "data:image/png;base64,c2Vuc2l0aXZl"},
+            }
+        ],
+    )
+
+    invocation = run.steps.get().attempts.get(attempt_type="initial").model_invocation
+    assert "base64" in str(captured["messages"])
+    assert "base64" not in str(invocation.input_snapshot)
+    assert invocation.input_snapshot["image_refs"][0]["object_path"].endswith("proof.png")
+
+
 def test_soft_time_limit_marks_run_timed_out_and_audits(db, monkeypatch):
     _, version = create_agent()
     run = create_run(version)