feat(application-form-fill): 实现自动填表模板选择

tests/test_application_form_fill_template_repository.py

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+import pytest
+
+from review_agent.application_form_fill.services.template_config import load_template_config
+from review_agent.application_form_fill.services.template_repository import (
+    TemplateUnavailableError,
+    copy_template_to_batch,
+    resolve_source_template,
+)
+from review_agent.application_form_fill.services.template_select import select_templates
+from review_agent.models import (
+    ApplicationFormFillArtifact,
+    ApplicationFormFillBatch,
+    Conversation,
+    FileSummaryBatch,
+)
+
+
+pytestmark = pytest.mark.django_db
+
+
+def test_resolve_source_template_finds_registration_docx():
+    config = load_template_config()
+    specs, _risk_notes = select_templates(config, ["registration_certificate"], "首次注册")
+
+    path = resolve_source_template(specs[0], config)
+
+    assert path.exists()
+    assert path.name == "中华人民共和国医疗器械注册证（体外诊断试剂）（格式）.docx"
+
+
+def test_copy_template_to_batch_creates_artifact(settings, tmp_path, django_user_model):
+    settings.MEDIA_ROOT = tmp_path
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+    summary = FileSummaryBatch.objects.create(conversation=conversation, user=user, batch_no="FS-REPO")
+    batch = ApplicationFormFillBatch.objects.create(
+        conversation=conversation,
+        user=user,
+        source_summary_batch=summary,
+        batch_no="AFF-REPO",
+        work_dir=str(tmp_path / "aff" / "AFF-REPO"),
+    )
+    config = load_template_config()
+    specs, _risk_notes = select_templates(config, ["registration_certificate"], "首次注册")
+
+    artifact = copy_template_to_batch(specs[0], batch, config)
+
+    assert artifact.artifact_type == ApplicationFormFillArtifact.ArtifactType.TEMPLATE_COPY
+    assert artifact.file_format == "docx"
+    assert artifact.content_hash
+    assert artifact.metadata["template_code"] == "registration_certificate"
+    assert artifact.storage_path.startswith(batch.work_dir)
+
+
+def test_doc_template_without_working_docx_is_unavailable():
+    config = load_template_config()
+    specs, _risk_notes = select_templates(config, ["change_registration"], "变更注册")
+
+    with pytest.raises(TemplateUnavailableError):
+        resolve_source_template(specs[0], config)

tests/test_application_form_fill_template_select.py

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+import pytest
+
+from review_agent.application_form_fill.services.template_config import load_template_config
+from review_agent.application_form_fill.services.template_select import (
+    detect_registration_type,
+    parse_requested_templates,
+    select_templates,
+)
+from review_agent.models import ApplicationFormFillBatch, Conversation, FileSummaryBatch, RegulatoryReviewBatch
+
+
+pytestmark = pytest.mark.django_db
+
+
+@pytest.mark.parametrize(
+    ("message", "expected"),
+    [
+        ("帮我填注册证", ["registration_certificate"]),
+        ("生成变更注册备案文件", ["change_registration"]),
+        ("生成安全和性能基本原则清单", ["essential_principles"]),
+        ("请生成全部模板", ["registration_certificate", "change_registration", "essential_principles"]),
+        ("普通聊天", []),
+    ],
+)
+def test_parse_requested_templates(message, expected):
+    assert parse_requested_templates(message) == expected
+
+
+def test_detect_registration_type_prefers_user_message(django_user_model):
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+    summary = FileSummaryBatch.objects.create(conversation=conversation, user=user, batch_no="FS-SEL")
+    regulatory = RegulatoryReviewBatch.objects.create(
+        conversation=conversation,
+        user=user,
+        source_summary_batch=summary,
+        batch_no="RR-SEL",
+        condition_json={"confirmed_conditions": {"registration_type": "变更注册"}},
+    )
+    batch = ApplicationFormFillBatch.objects.create(
+        conversation=conversation,
+        user=user,
+        source_summary_batch=summary,
+        source_regulatory_batch=regulatory,
+        batch_no="AFF-SEL",
+    )
+
+    value, source = detect_registration_type(batch=batch, message="首次注册资料，请填注册证")
+
+    assert value == "首次注册"
+    assert source == ApplicationFormFillBatch.RegistrationTypeSource.USER_MESSAGE
+
+
+def test_detect_registration_type_falls_back_to_regulatory_batch_and_file_candidates(django_user_model):
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+    summary = FileSummaryBatch.objects.create(conversation=conversation, user=user, batch_no="FS-SEL-2")
+    regulatory = RegulatoryReviewBatch.objects.create(
+        conversation=conversation,
+        user=user,
+        source_summary_batch=summary,
+        batch_no="RR-SEL-2",
+        condition_json={"confirmed_conditions": {"registration_type": "变更注册"}},
+    )
+    batch = ApplicationFormFillBatch.objects.create(
+        conversation=conversation,
+        user=user,
+        source_summary_batch=summary,
+        source_regulatory_batch=regulatory,
+        batch_no="AFF-SEL-2",
+    )
+
+    regulatory_value, regulatory_source = detect_registration_type(batch=batch, message="")
+    file_value, file_source = detect_registration_type(
+        message="",
+        file_candidates={"registration_type": {"suggested": "备案"}},
+    )
+
+    assert (regulatory_value, regulatory_source) == (
+        "变更注册",
+        ApplicationFormFillBatch.RegistrationTypeSource.REGULATORY_BATCH,
+    )
+    assert (file_value, file_source) == (
+        "备案",
+        ApplicationFormFillBatch.RegistrationTypeSource.FILE_EXTRACT,
+    )
+
+
+def test_select_default_templates_for_initial_registration():
+    config = load_template_config()
+
+    specs, risk_notes = select_templates(config, [], "首次注册")
+
+    assert [spec.code for spec in specs] == ["registration_certificate", "essential_principles"]
+    assert risk_notes == []
+
+
+def test_select_default_templates_for_change_registration():
+    config = load_template_config()
+
+    specs, risk_notes = select_templates(config, [], "变更注册")
+
+    assert [spec.code for spec in specs] == ["change_registration", "essential_principles"]
+    assert risk_notes == []
+
+
+def test_select_user_requested_mismatch_is_allowed_with_risk_note():
+    config = load_template_config()
+
+    specs, risk_notes = select_templates(config, ["change_registration"], "首次注册")
+
+    assert [spec.code for spec in specs] == ["change_registration"]
+    assert risk_notes
+    assert risk_notes[0]["type"] == "template_registration_mismatch"