feat: add feishu question preview services

review_agent/feishu_questions/__init__.py

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+"""Reserved Feishu question services."""

review_agent/feishu_questions/intent.py

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+from __future__ import annotations
+
+import re
+
+
+WORKFLOW_KEYWORDS = {
+    "regulatory_review": ("法规核查", "风险", "整改", "RR-"),
+    "application_form_fill": ("自动填表", "填表", "申报文件", "AFF-"),
+    "file_summary": ("自动汇总", "文件汇总", "目录", "页数", "FS-"),
+}
+
+
+def parse_question_intent(text: str) -> dict[str, object]:
+    normalized = (text or "").strip()
+    batch_no = _extract_batch_no(normalized)
+    workflow_type = _detect_workflow_type(normalized, batch_no)
+    latest = bool(re.search(r"(最新|最近|上一个|最后一个)", normalized))
+    intent = "batch_status" if batch_no or latest else "unknown"
+    if workflow_type == "regulatory_review" and any(keyword in normalized for keyword in ["风险", "阻断", "整改"]):
+        intent = "risk_summary"
+    if workflow_type == "application_form_fill" and any(keyword in normalized for keyword in ["导出", "文件", "word", "Word"]):
+        intent = "export_summary"
+    if workflow_type == "file_summary" and any(keyword in normalized for keyword in ["缺失", "目录", "页数"]):
+        intent = "missing_summary"
+    return {
+        "intent": intent,
+        "workflow_type": workflow_type,
+        "batch_no": batch_no,
+        "latest": latest or not batch_no,
+    }
+
+
+def _extract_batch_no(text: str) -> str:
+    match = re.search(r"\b(?:RR|AFF|FS)-[A-Za-z0-9-]+", text, flags=re.IGNORECASE)
+    return match.group(0).upper() if match else ""
+
+
+def _detect_workflow_type(text: str, batch_no: str = "") -> str:
+    source = f"{text} {batch_no}"
+    for workflow_type, keywords in WORKFLOW_KEYWORDS.items():
+        if any(keyword in source for keyword in keywords):
+            return workflow_type
+    return ""

review_agent/feishu_questions/permissions.py

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+from __future__ import annotations
+
+
+def can_access_batch(user, batch) -> bool:
+    if not user or not getattr(user, "is_authenticated", False):
+        return False
+    if getattr(user, "is_staff", False) or getattr(user, "is_superuser", False):
+        return True
+    return getattr(batch, "user_id", None) == user.pk

review_agent/feishu_questions/query.py

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+from __future__ import annotations
+
+from review_agent.models import ApplicationFormFillBatch, ExportedSummaryFile, FileSummaryBatch, RegulatoryReviewBatch
+
+from .permissions import can_access_batch
+
+
+WORKFLOW_MODELS = {
+    "file_summary": FileSummaryBatch,
+    "regulatory_review": RegulatoryReviewBatch,
+    "application_form_fill": ApplicationFormFillBatch,
+}
+
+
+def query_batch_summary(user, *, workflow_type: str | None = None, batch_no: str | None = None, latest: bool = False) -> dict:
+    candidates = _candidate_batches(workflow_type)
+    if batch_no:
+        for current_workflow_type, model in candidates:
+            batch = model.objects.filter(batch_no=batch_no).first()
+            if batch:
+                return _serialize_allowed_batch(user, current_workflow_type, batch)
+        return {"ok": False, "permission_result": "not_found", "answer_summary": "未找到对应批次。"}
+
+    if latest:
+        for current_workflow_type, model in candidates:
+            queryset = model.objects.all().order_by("-finished_at", "-created_at", "-id")
+            for batch in queryset:
+                if can_access_batch(user, batch):
+                    return _serialize_batch(current_workflow_type, batch, permission_result="allowed")
+        return {"ok": False, "permission_result": "not_found", "answer_summary": "未找到可访问的批次。"}
+
+    return {"ok": False, "permission_result": "not_found", "answer_summary": "请提供批次号，或询问最新/最近批次。"}
+
+
+def _candidate_batches(workflow_type: str | None):
+    if workflow_type and workflow_type in WORKFLOW_MODELS:
+        return [(workflow_type, WORKFLOW_MODELS[workflow_type])]
+    return list(WORKFLOW_MODELS.items())
+
+
+def _serialize_allowed_batch(user, workflow_type: str, batch) -> dict:
+    if not can_access_batch(user, batch):
+        return {"ok": False, "permission_result": "denied", "answer_summary": "无权限访问该批次。"}
+    return _serialize_batch(workflow_type, batch, permission_result="allowed")
+
+
+def _serialize_batch(workflow_type: str, batch, *, permission_result: str) -> dict:
+    summary = _summary_for_batch(workflow_type, batch)
+    result_url = _result_url(workflow_type, batch.pk)
+    answer = f"{batch.batch_no} 状态 {batch.status}。{summary}"
+    return {
+        "ok": True,
+        "permission_result": permission_result,
+        "workflow_type": workflow_type,
+        "batch_id": batch.pk,
+        "batch_no": batch.batch_no,
+        "status": batch.status,
+        "summary": summary,
+        "result_url": result_url,
+        "answer_summary": answer,
+    }
+
+
+def _summary_for_batch(workflow_type: str, batch) -> str:
+    if workflow_type == "file_summary":
+        return f"文件 {batch.total_files} 个，成功 {batch.success_files} 个，失败 {batch.failed_files} 个。"
+    if workflow_type == "regulatory_review":
+        risk = batch.risk_summary or {}
+        return f"阻断项 {int(risk.get('blocking') or 0)} 个，高风险 {int(risk.get('high') or 0)} 个。"
+    if workflow_type == "application_form_fill":
+        export_count = ExportedSummaryFile.objects.filter(
+            workflow_type="application_form_fill",
+            workflow_batch_id=batch.pk,
+        ).count()
+        return f"导出文件 {export_count} 个，冲突字段 {len(batch.conflict_summary or [])} 个。"
+    return ""
+
+
+def _result_url(workflow_type: str, batch_id: int) -> str:
+    paths = {
+        "file_summary": f"/api/review-agent/file-summary/{batch_id}/status/",
+        "regulatory_review": f"/api/review-agent/regulatory-review/{batch_id}/status/",
+        "application_form_fill": f"/api/review-agent/application-form-fill/{batch_id}/status/",
+    }
+    return paths.get(workflow_type, "/")

review_agent/feishu_questions/service.py

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+from __future__ import annotations
+
+from django.utils import timezone
+
+from review_agent.models import FeishuQuestionLog
+
+from .intent import parse_question_intent
+from .query import query_batch_summary
+
+
+def answer_question(user, text: str, *, source_type: str = FeishuQuestionLog.SourceType.SIMULATE) -> dict:
+    parsed = parse_question_intent(text)
+    result = query_batch_summary(
+        user,
+        workflow_type=parsed.get("workflow_type") or None,
+        batch_no=parsed.get("batch_no") or None,
+        latest=bool(parsed.get("latest")),
+    )
+    status = FeishuQuestionLog.Status.SUCCESS if result.get("ok") else FeishuQuestionLog.Status.FAILED
+    answer_summary = str(result.get("answer_summary") or "")
+    log = FeishuQuestionLog.objects.create(
+        system_user=user if getattr(user, "is_authenticated", False) else None,
+        source_type=source_type,
+        question_text=text,
+        intent=str(parsed.get("intent") or "unknown"),
+        query_object={
+            "workflow_type": parsed.get("workflow_type") or "",
+            "batch_no": parsed.get("batch_no") or "",
+            "latest": bool(parsed.get("latest")),
+        },
+        answer_summary=answer_summary[:500],
+        permission_result=str(result.get("permission_result") or ""),
+        status=status,
+        error_message="" if result.get("ok") else answer_summary,
+        processed_at=timezone.now(),
+    )
+    return {**result, "intent": parsed.get("intent"), "log_id": log.pk}

review_agent/management/commands/feishu_question_simulate.py

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+from __future__ import annotations
+
+from django.contrib.auth import get_user_model
+from django.core.management.base import BaseCommand, CommandError
+
+from review_agent.feishu_questions.service import answer_question
+
+
+class Command(BaseCommand):
+    help = "Simulate a reserved Feishu question against local workflow data."
+
+    def add_arguments(self, parser):
+        parser.add_argument("--username", required=True, help="System username used as asker.")
+        parser.add_argument("question", help="Question text, for example: 查最新法规核查")
+
+    def handle(self, *args, **options):
+        user = get_user_model().objects.filter(username=options["username"]).first()
+        if not user:
+            raise CommandError(f"用户不存在：{options['username']}")
+        result = answer_question(user, options["question"])
+        self.stdout.write(result.get("answer_summary") or "无可返回摘要。")