feat: complete multimodal ticket intake

backend/apps/tickets/tests/test_ticket_drafts.py

@@ -1,4 +1,5 @@
 import io
+from types import SimpleNamespace
 
 import pytest
 from django.core.files.uploadedfile import SimpleUploadedFile
@@ -95,6 +96,30 @@ def test_feature_requires_published_ticket_agent(admin_client, db):
     assert response.json()["vision_available"] is False
 
 
+def test_availability_uses_effective_step_vision_model(admin_client, db):
+    agent = create_ticket_agent()
+    version = agent.active_version
+    provider = version.model_deployment.provider
+    provider.image_egress_approved = True
+    provider.save(update_fields=["image_egress_approved"])
+    vision = ModelDeployment.objects.create(
+        provider=provider,
+        display_name="步骤视觉模型",
+        model_name="ticket-vision-model",
+        capability="vision_chat",
+    )
+    binding = version.steps.get()
+    binding.model_deployment = vision
+    binding.save(update_fields=["model_deployment"])
+
+    response = admin_client.get("/api/ticket-drafts/availability")
+
+    assert response.status_code == 200
+    assert response.json()["available"] is True
+    assert response.json()["vision_available"] is True
+    assert response.json()["vision_reason"] == ""
+
+
 def test_revision_conflict_and_manual_edit(admin_client, db):
     create_ticket_agent()
     created = admin_client.post(
@@ -145,9 +170,16 @@ def test_confirm_is_idempotent_and_records_accepted(admin_client, category):
     assert first.status_code == 200
     assert second.status_code == 200
     assert first.json()["confirmed_ticket"]["id"] == second.json()["confirmed_ticket"]["id"]
+    assert first.json()["created_ticket"]["id"] == first.json()["confirmed_ticket"]["id"]
     assert first.json()["decision"] == "accepted"
     assert Ticket.objects.count() == 1
-    assert Ticket.objects.get().ai_solution == ""
+    assert not hasattr(Ticket.objects.get(), "ai_solution")
+    ticket_id = first.json()["created_ticket"]["id"]
+    trace = admin_client.get(f"/api/tickets/{ticket_id}/intake-trace")
+    assert trace.status_code == 200
+    assert trace.json()["available"] is True
+    assert trace.json()["status"] == "ticket_created"
+    assert admin_client.get(f"/api/tickets/{ticket_id}/attachments").json() == []
 
 
 def test_confirm_records_modified_and_reject_records_rejected(admin_client, category):
@@ -201,13 +233,14 @@ def test_image_upload_validates_content_and_never_audits_source_text(admin_clien
     monkeypatch.setattr("apps.tickets.draft_api.put_object", lambda *args: None)
     output = io.BytesIO()
     Image.new("RGB", (8, 8), color="red").save(output, format="PNG")
-    upload = SimpleUploadedFile("proof.png", output.getvalue(), content_type="text/plain")
+    upload = SimpleUploadedFile("proof.png", output.getvalue(), content_type="image/png")
 
     response = admin_client.post(
         f"/api/ticket-drafts/{created['public_id']}/images", {"file": upload}
     )
     assert response.status_code == 200
     assert response.json()["images"][0]["mime_type"] == "image/png"
+    assert response.json()["materials"][0]["scan_status"] == "clean"
     snapshots = list(
         OperationAuditLog.objects.filter(target_id=created["public_id"]).values_list(
             "request_snapshot", flat=True
@@ -224,12 +257,14 @@ def test_text_model_rejects_image_analysis(admin_client, db):
         content_type="application/json",
     ).json()
     draft = TicketDraft.objects.get(public_id=created["public_id"])
-    draft.images.create(
+    draft.materials.create(
         file_name="proof.png",
         mime_type="image/png",
         file_size=10,
         sha256="0" * 64,
         storage_path="ticket-drafts/proof.png",
+        scan_status="clean",
+        parse_status="not_applicable",
     )
     response = admin_client.post(
         f"/api/ticket-drafts/{created['public_id']}/analyze",
@@ -240,6 +275,38 @@ def test_text_model_rejects_image_analysis(admin_client, db):
     assert "不支持图片" in response.json()["detail"]
 
 
+def test_vision_intake_can_start_with_image_only(admin_client, db, monkeypatch):
+    create_ticket_agent(capability="vision_chat", approved=True)
+    created = admin_client.post(
+        "/api/ticket-drafts",
+        data={"source_text": ""},
+        content_type="application/json",
+    ).json()
+    draft = TicketDraft.objects.get(public_id=created["public_id"])
+    draft.materials.create(
+        file_name="proof.png",
+        mime_type="image/png",
+        file_size=10,
+        sha256="0" * 64,
+        storage_path="ticket-drafts/proof.png",
+        scan_status="clean",
+        parse_status="not_applicable",
+    )
+    monkeypatch.setattr(
+        "apps.tickets.draft_api.execute_ticket_draft_analysis.delay",
+        lambda *_args: SimpleNamespace(id="task-1"),
+    )
+
+    response = admin_client.post(
+        f"/api/ticket-drafts/{created['public_id']}/analyze",
+        data={"expected_revision": created["revision"]},
+        content_type="application/json",
+    )
+
+    assert response.status_code == 200
+    assert response.json()["status"] == "analyzing"
+
+
 def test_cleanup_deletes_unconfirmed_details_but_keeps_confirmed_draft(
     admin_client, db, monkeypatch
 ):
@@ -251,7 +318,7 @@ def test_cleanup_deletes_unconfirmed_details_but_keeps_confirmed_draft(
         source_text="过期敏感原文",
         expires_at=timezone.now(),
     )
-    expired.images.create(
+    expired.materials.create(
         file_name="proof.png",
         mime_type="image/png",
         file_size=10,