diff --git a/backend/app/routers/__init__.py b/backend/app/routers/__init__.py
index 998fe54..ad4c795 100644
--- a/backend/app/routers/__init__.py
+++ b/backend/app/routers/__init__.py
@@ -18,6 +18,7 @@ from . import (
     license,
     logs,
     monitor,
+    ops_maintenance,
     orbit,
     pairing,
     ps_products,
@@ -48,6 +49,7 @@ def include_all_routers(router: APIRouter) -> None:
     router.include_router(tools.router)
     router.include_router(unpack.router)
     router.include_router(monitor.router)
+    router.include_router(ops_maintenance.router)
     router.include_router(orbit.router)
     router.include_router(assets.router)
     router.include_router(root_registry.router)
diff --git a/backend/app/routers/ops_maintenance.py b/backend/app/routers/ops_maintenance.py
new file mode 100644
index 0000000..001a28d
--- /dev/null
+++ b/backend/app/routers/ops_maintenance.py
@@ -0,0 +1,104 @@
+from __future__ import annotations
+
+from typing import Optional
+
+from fastapi import APIRouter, Depends, HTTPException, Query, Request
+from pydantic import BaseModel
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from ..database import get_db
+from ..models import AuthUserORM
+from ..services.ops_maintenance_service import ops_maintenance_service
+from .dependencies import _add_operation_audit_log, _get_current_user, _require_admin
+
+
+router = APIRouter(prefix="/ops-maintenance", tags=["ops-maintenance"])
+
+
+class CleanupRequest(BaseModel):
+    confirm: bool = False
+    delete_task_records: bool = True
+    delete_logs: bool = True
+    delete_production_records: bool = True
+    delete_result_products: bool = True
+    delete_production_dirs: bool = True
+    delete_task_pool_dir: bool = True
+
+
+@router.get("/tasks")
+async def list_maintenance_tasks(
+    task_type: Optional[str] = Query(default=None),
+    status: Optional[str] = Query(default=None),
+    limit: int = Query(default=50, ge=1, le=200),
+    offset: int = Query(default=0, ge=0),
+    _user: AuthUserORM = Depends(_get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    return await ops_maintenance_service.list_tasks(
+        db,
+        task_type=task_type,
+        status=status,
+        limit=limit,
+        offset=offset,
+    )
+
+
+@router.get("/tasks/{task_id}/diagnosis")
+async def diagnose_maintenance_task(
+    task_id: str,
+    _user: AuthUserORM = Depends(_get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    diagnosis = await ops_maintenance_service.diagnose_task(db, task_id)
+    if diagnosis is None:
+        raise HTTPException(status_code=404, detail="Task not found.")
+    return diagnosis
+
+
+@router.post("/tasks/{task_id}/cleanup-preview")
+async def preview_maintenance_cleanup(
+    task_id: str,
+    _user: AuthUserORM = Depends(_get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    preview = await ops_maintenance_service.cleanup_preview(db, task_id)
+    if preview is None:
+        raise HTTPException(status_code=404, detail="Task not found.")
+    return preview
+
+
+@router.post("/tasks/{task_id}/cleanup")
+async def cleanup_maintenance_task(
+    task_id: str,
+    request_body: CleanupRequest,
+    request: Request,
+    admin_user: AuthUserORM = Depends(_require_admin),
+    db: AsyncSession = Depends(get_db),
+):
+    if not request_body.confirm:
+        raise HTTPException(status_code=400, detail="Cleanup confirmation is required.")
+    try:
+        result = await ops_maintenance_service.cleanup_task(
+            db,
+            task_id,
+            options=request_body.model_dump(),
+        )
+    except ValueError as exc:
+        raise HTTPException(status_code=409, detail=str(exc)) from exc
+    if result is None:
+        raise HTTPException(status_code=404, detail="Task not found.")
+
+    await _add_operation_audit_log(
+        db,
+        request,
+        action="ops_task_cleanup",
+        resource=f"ops-maintenance/tasks/{task_id}",
+        detail={
+            "task_id": task_id,
+            "options": request_body.model_dump(),
+            "result": result,
+        },
+        user=admin_user,
+    )
+    await db.commit()
+    return result
diff --git a/backend/app/services/ops_maintenance_service.py b/backend/app/services/ops_maintenance_service.py
new file mode 100644
index 0000000..acfb1a0
--- /dev/null
+++ b/backend/app/services/ops_maintenance_service.py
@@ -0,0 +1,695 @@
+from __future__ import annotations
+
+import os
+import shutil
+from datetime import datetime, timedelta, timezone
+from pathlib import Path
+from typing import Any, Dict, Iterable, List, Optional
+
+from sqlalchemy import delete, func, or_, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from ..config import settings
+from ..models import (
+    DinsarProductionExecutionORM,
+    DinsarProductionRunItemORM,
+    DinsarProductionRunORM,
+    DinsarResultORM,
+    ResultProductORM,
+    SystemJobORM,
+    SystemTaskORM,
+    TaskLogORM,
+    WorkflowArtifactORM,
+    WorkflowRunORM,
+    WorkflowStepORM,
+)
+from .dinsar_production_service import dinsar_production_service
+
+
+TERMINAL_TASK_STATUSES = {"COMPLETED", "FAILED", "PARTIAL_SUCCESS", "CANCELLED"}
+MAINTENANCE_LIST_STATUSES = {"FAILED", "PARTIAL_SUCCESS", "CANCELLED", "PENDING", "RUNNING"}
+ACTIVE_TASK_STATUSES = {"PENDING", "RUNNING"}
+ACTIVE_JOB_STATUSES = {"READY", "RETRY", "RUNNING"}
+DINSAR_TASK_TYPES = {"LANDSAR_RUN", "LANDSAR_CLUSTER_RUN", "PYINT_RUN", "IDL_RUN_DINSAR"}
+SUPPORTED_CLEANUP_TASK_TYPES = DINSAR_TASK_TYPES | {"COPY_DATA"}
+DEFAULT_TASK_TYPES = SUPPORTED_CLEANUP_TASK_TYPES | {"PAIRING_CACHE_REBUILD"}
+
+
+def _utcnow_naive() -> datetime:
+    return datetime.now(timezone.utc).replace(tzinfo=None)
+
+
+def _dt(value: Any) -> Optional[str]:
+    if value is None:
+        return None
+    if hasattr(value, "isoformat"):
+        return value.isoformat()
+    return str(value)
+
+
+def _norm_status(value: Any) -> str:
+    return str(value or "").strip().upper()
+
+
+def _compact(value: Any, limit: int = 220) -> Optional[str]:
+    if value is None:
+        return None
+    text = str(value).replace("\r", " ").replace("\n", " ").strip()
+    if len(text) <= limit:
+        return text
+    return text[:limit] + "..."
+
+
+def _normalize_path_text(value: Any) -> str:
+    return os.path.normpath(str(value or "").strip().strip('"').strip("'"))
+
+
+def _path_exists(path: str) -> bool:
+    return bool(path) and os.path.exists(path)
+
+
+def _safe_count(rows: Iterable[Any]) -> int:
+    return len(list(rows))
+
+
+class OpsMaintenanceService:
+    async def list_tasks(
+        self,
+        db: AsyncSession,
+        *,
+        task_type: Optional[str] = None,
+        status: Optional[str] = None,
+        limit: int = 50,
+        offset: int = 0,
+    ) -> Dict[str, Any]:
+        safe_limit = max(1, min(int(limit or 50), 200))
+        safe_offset = max(0, int(offset or 0))
+        task_types = [task_type.strip().upper()] if task_type else sorted(DEFAULT_TASK_TYPES)
+        status_filter = status.strip().upper() if status else ""
+
+        conditions = [SystemTaskORM.task_type.in_(task_types)]
+        if status_filter:
+            conditions.append(SystemTaskORM.status == status_filter)
+        else:
+            conditions.append(SystemTaskORM.status.in_(sorted(MAINTENANCE_LIST_STATUSES)))
+
+        result = await db.execute(
+            select(SystemTaskORM)
+            .where(*conditions)
+            .order_by(SystemTaskORM.updated_at.desc(), SystemTaskORM.id.desc())
+            .offset(safe_offset)
+            .limit(safe_limit)
+        )
+        tasks = list(result.scalars().all())
+        items = [await self._build_task_summary(db, task) for task in tasks]
+        abnormal_items = [
+            item
+            for item in items
+            if item.get("issue_level") in {"warning", "danger"}
+            or _norm_status(item.get("status")) in {"FAILED", "PARTIAL_SUCCESS", "CANCELLED"}
+        ]
+        return {
+            "items": abnormal_items,
+            "limit": safe_limit,
+            "offset": safe_offset,
+            "returned": len(abnormal_items),
+        }
+
+    async def diagnose_task(self, db: AsyncSession, task_id: str) -> Optional[Dict[str, Any]]:
+        task = await self._get_task(db, task_id)
+        if task is None:
+            return None
+        jobs = await self._get_jobs(db, task.task_id)
+        run = await self._get_production_run_for_task(db, task, jobs)
+        item_counts: Dict[str, int] = {}
+        execution_counts: Dict[str, int] = {}
+        disk_paths: List[Dict[str, Any]] = []
+        products: List[Dict[str, Any]] = []
+
+        if run is not None:
+            item_counts = await self._status_counts(db, DinsarProductionRunItemORM, run.run_id)
+            execution_counts = await self._status_counts(db, DinsarProductionExecutionORM, run.run_id)
+            disk_paths.extend(await self._collect_run_disk_paths(db, run))
+            products = await self._collect_result_products(db, run)
+        related_tasks = await self._related_copy_tasks_for_run(db, run) if run is not None else []
+
+        copy_dest = self._copy_task_dest_dir(task)
+        if copy_dest:
+            disk_paths.append(self._path_payload(copy_dest, "task_pool"))
+
+        recent_logs = await self._recent_logs(db, task.task_id)
+        findings, cleanup_supported, cleanup_blockers = self._diagnose_findings(
+            task=task,
+            jobs=jobs,
+            run=run,
+            item_counts=item_counts,
+            execution_counts=execution_counts,
+            disk_paths=disk_paths,
+        )
+        return {
+            "task": self._task_payload(task),
+            "jobs": [self._job_payload(job) for job in jobs],
+            "production_run": self._run_payload(run) if run else None,
+            "production_item_counts": item_counts,
+            "production_execution_counts": execution_counts,
+            "result_products": products,
+            "related_tasks": [self._task_payload(item) for item in related_tasks],
+            "recent_logs": recent_logs,
+            "disk_paths": disk_paths,
+            "diagnosis": {
+                "summary": findings[0] if findings else "未发现明显异常。",
+                "findings": findings,
+                "cleanup_supported": cleanup_supported,
+                "cleanup_blockers": cleanup_blockers,
+            },
+        }
+
+    async def cleanup_preview(self, db: AsyncSession, task_id: str) -> Optional[Dict[str, Any]]:
+        diagnosis = await self.diagnose_task(db, task_id)
+        if diagnosis is None:
+            return None
+
+        task = diagnosis["task"]
+        task_type = _norm_status(task.get("task_type"))
+        task_status = _norm_status(task.get("status"))
+        cleanup_supported = bool(diagnosis["diagnosis"].get("cleanup_supported"))
+        blockers = list(diagnosis["diagnosis"].get("cleanup_blockers") or [])
+        if task_type not in SUPPORTED_CLEANUP_TASK_TYPES:
+            blockers.append(f"第一版暂不支持清理任务类型 {task_type}。")
+        if task_status in ACTIVE_TASK_STATUSES:
+            blockers.append("任务仍处于活动状态，不能清理。")
+
+        db_counts = await self._cleanup_db_counts(db, diagnosis)
+        disk_deletes = self._cleanup_disk_targets(diagnosis)
+        blocked = bool(blockers) or not cleanup_supported
+        return {
+            "task_id": task_id,
+            "blocked": blocked,
+            "blockers": blockers,
+            "cleanup_supported": cleanup_supported and not blocked,
+            "database_deletes": db_counts,
+            "disk_deletes": disk_deletes,
+        }
+
+    async def cleanup_task(
+        self,
+        db: AsyncSession,
+        task_id: str,
+        *,
+        options: Dict[str, bool],
+    ) -> Optional[Dict[str, Any]]:
+        preview = await self.cleanup_preview(db, task_id)
+        if preview is None:
+            return None
+        if preview.get("blocked"):
+            raise ValueError("; ".join(preview.get("blockers") or ["清理被阻止。"]))
+
+        deleted_db: Dict[str, int] = {}
+        task = await self._get_task(db, task_id)
+        if task is None:
+            return None
+        jobs = await self._get_jobs(db, task_id)
+        run = await self._get_production_run_for_task(db, task, jobs)
+
+        delete_logs = bool(options.get("delete_logs", True))
+        delete_task_records = bool(options.get("delete_task_records", True))
+        delete_production_records = bool(options.get("delete_production_records", True))
+        delete_result_products = bool(options.get("delete_result_products", True))
+        delete_task_pool_dir = bool(options.get("delete_task_pool_dir", True))
+        related_copy_tasks = await self._related_copy_tasks_for_run(db, run) if run is not None else []
+
+        if delete_result_products and run is not None:
+            products = await self._result_product_orms_for_run(db, run)
+            product_ids = [item.product_id for item in products]
+            compat_ids = await self._compat_ids_for_products(db, product_ids)
+            if product_ids:
+                result = await db.execute(delete(ResultProductORM).where(ResultProductORM.product_id.in_(product_ids)))
+                deleted_db["result_products"] = int(result.rowcount or 0)
+            if compat_ids:
+                result = await db.execute(delete(DinsarResultORM).where(DinsarResultORM.id.in_(compat_ids)))
+                deleted_db["dinsar_results"] = int(result.rowcount or 0)
+
+        if delete_production_records and run is not None:
+            deleted_run = await dinsar_production_service.delete_run_record(run.run_id, db=db)
+            deleted_db["dinsar_production_runs"] = 1 if deleted_run else 0
+            deleted_db["dinsar_production_run_items"] = int(preview["database_deletes"].get("dinsar_production_run_items", 0))
+            deleted_db["dinsar_production_executions"] = int(preview["database_deletes"].get("dinsar_production_executions", 0))
+            deleted_db["system_jobs"] = int(preview["database_deletes"].get("system_jobs", 0))
+            deleted_db["system_tasks"] = 1
+            deleted_db["task_logs"] = int(preview["database_deletes"].get("task_logs", 0))
+            if delete_task_pool_dir:
+                related_deleted = await self._delete_related_tasks(db, related_copy_tasks)
+                for key, value in related_deleted.items():
+                    deleted_db[key] = int(deleted_db.get(key, 0)) + int(value or 0)
+        else:
+            if delete_logs:
+                result = await db.execute(delete(TaskLogORM).where(TaskLogORM.task_id == task_id))
+                deleted_db["task_logs"] = int(result.rowcount or 0)
+            if delete_task_records:
+                result = await db.execute(delete(SystemJobORM).where(SystemJobORM.task_id == task_id))
+                deleted_db["system_jobs"] = int(result.rowcount or 0)
+                result = await db.execute(delete(SystemTaskORM).where(SystemTaskORM.task_id == task_id))
+                deleted_db["system_tasks"] = int(result.rowcount or 0)
+                await db.commit()
+
+        disk_result = await self._delete_disk_targets(preview, options)
+        return {
+            "task_id": task_id,
+            "deleted_database": deleted_db,
+            "deleted_disk": disk_result,
+        }
+
+    async def _delete_related_tasks(
+        self,
+        db: AsyncSession,
+        tasks: List[SystemTaskORM],
+    ) -> Dict[str, int]:
+        task_ids = [task.task_id for task in tasks if task.task_id]
+        if not task_ids:
+            return {}
+        result = await db.execute(delete(TaskLogORM).where(TaskLogORM.task_id.in_(task_ids)))
+        logs = int(result.rowcount or 0)
+        result = await db.execute(delete(SystemJobORM).where(SystemJobORM.task_id.in_(task_ids)))
+        jobs = int(result.rowcount or 0)
+        result = await db.execute(delete(SystemTaskORM).where(SystemTaskORM.task_id.in_(task_ids)))
+        task_count = int(result.rowcount or 0)
+        await db.commit()
+        return {
+            "related_task_logs": logs,
+            "related_system_jobs": jobs,
+            "related_system_tasks": task_count,
+        }
+
+    async def _get_task(self, db: AsyncSession, task_id: str) -> Optional[SystemTaskORM]:
+        result = await db.execute(select(SystemTaskORM).where(SystemTaskORM.task_id == str(task_id or "").strip()))
+        return result.scalar_one_or_none()
+
+    async def _get_jobs(self, db: AsyncSession, task_id: str) -> List[SystemJobORM]:
+        result = await db.execute(
+            select(SystemJobORM)
+            .where(SystemJobORM.task_id == str(task_id or "").strip())
+            .order_by(SystemJobORM.updated_at.desc(), SystemJobORM.id.desc())
+        )
+        return list(result.scalars().all())
+
+    async def _get_production_run_for_task(
+        self,
+        db: AsyncSession,
+        task: SystemTaskORM,
+        jobs: List[SystemJobORM],
+    ) -> Optional[DinsarProductionRunORM]:
+        candidates: List[str] = []
+        params = task.params or {}
+        if isinstance(params, dict):
+            for key in ("production_run_id", "run_id"):
+                if params.get(key):
+                    candidates.append(str(params[key]))
+        for job in jobs:
+            payload = job.payload or {}
+            if isinstance(payload, dict):
+                for key in ("production_run_id", "run_id", "dinsar_run_id"):
+                    if payload.get(key):
+                        candidates.append(str(payload[key]))
+        if candidates:
+            result = await db.execute(select(DinsarProductionRunORM).where(DinsarProductionRunORM.run_id.in_(candidates)))
+            run = result.scalar_one_or_none()
+            if run is not None:
+                return run
+        result = await db.execute(select(DinsarProductionRunORM).where(DinsarProductionRunORM.task_id == task.task_id))
+        return result.scalar_one_or_none()
+
+    async def _build_task_summary(self, db: AsyncSession, task: SystemTaskORM) -> Dict[str, Any]:
+        jobs = await self._get_jobs(db, task.task_id)
+        run = await self._get_production_run_for_task(db, task, jobs)
+        item_counts: Dict[str, int] = {}
+        execution_counts: Dict[str, int] = {}
+        if run is not None:
+            item_counts = await self._status_counts(db, DinsarProductionRunItemORM, run.run_id)
+            execution_counts = await self._status_counts(db, DinsarProductionExecutionORM, run.run_id)
+        findings, cleanup_supported, blockers = self._diagnose_findings(
+            task=task,
+            jobs=jobs,
+            run=run,
+            item_counts=item_counts,
+            execution_counts=execution_counts,
+            disk_paths=[],
+        )
+        log_count = await self._count(db, select(func.count()).select_from(TaskLogORM).where(TaskLogORM.task_id == task.task_id))
+        return {
+            **self._task_payload(task),
+            "run_id": run.run_id if run else None,
+            "job_id": jobs[0].job_id if jobs else None,
+            "job_status": jobs[0].status if jobs else None,
+            "issue_level": "danger" if _norm_status(task.status) == "FAILED" else ("warning" if findings else "info"),
+            "issue_summary": findings[0] if findings else _compact(task.message, 160),
+            "cleanup_supported": cleanup_supported,
+            "cleanup_blocked_reason": "; ".join(blockers) if blockers else "",
+            "counts": {
+                "jobs": len(jobs),
+                "logs": log_count,
+                "run_items": sum(item_counts.values()),
+                "executions": sum(execution_counts.values()),
+                "completed_items": item_counts.get("COMPLETED", 0),
+                "failed_items": item_counts.get("FAILED", 0),
+                "pending_items": item_counts.get("PENDING", 0),
+                "running_items": item_counts.get("RUNNING", 0),
+            },
+        }
+
+    async def _status_counts(self, db: AsyncSession, model: Any, run_id: str) -> Dict[str, int]:
+        result = await db.execute(
+            select(model.status, func.count())
+            .where(model.run_id == run_id)
+            .group_by(model.status)
+        )
+        return {str(status or "UNKNOWN").upper(): int(count or 0) for status, count in result.all()}
+
+    async def _recent_logs(self, db: AsyncSession, task_id: str) -> List[Dict[str, Any]]:
+        result = await db.execute(
+            select(TaskLogORM)
+            .where(TaskLogORM.task_id == task_id)
+            .order_by(TaskLogORM.timestamp.desc(), TaskLogORM.id.desc())
+            .limit(30)
+        )
+        return [
+            {
+                "id": item.id,
+                "level": item.log_level,
+                "message": _compact(item.message, 500),
+                "timestamp": _dt(item.timestamp),
+            }
+            for item in result.scalars().all()
+        ]
+
+    async def _collect_run_disk_paths(self, db: AsyncSession, run: DinsarProductionRunORM) -> List[Dict[str, Any]]:
+        paths: Dict[str, Dict[str, Any]] = {}
+        if run.source_root:
+            paths[_normalize_path_text(run.source_root)] = self._path_payload(run.source_root, "task_pool")
+        result = await db.execute(select(DinsarProductionExecutionORM).where(DinsarProductionExecutionORM.run_id == run.run_id))
+        for execution in result.scalars().all():
+            if execution.output_dir:
+                publish_dir = self._publish_package_dir(execution.output_dir)
+                paths[publish_dir] = self._path_payload(publish_dir, "production_result")
+        log_path = dinsar_production_service.read_run_log(run.run_id, max_bytes=1).get("path")
+        if log_path:
+            paths[_normalize_path_text(log_path)] = self._path_payload(log_path, "run_log")
+        return list(paths.values())
+
+    async def _collect_result_products(self, db: AsyncSession, run: DinsarProductionRunORM) -> List[Dict[str, Any]]:
+        products = await self._result_product_orms_for_run(db, run)
+        return [
+            {
+                "product_id": item.product_id,
+                "display_name": item.display_name,
+                "status": item.status,
+                "health_status": item.health_status,
+                "publish_dir": item.publish_dir,
+                "manifest_path": item.manifest_path,
+            }
+            for item in products
+        ]
+
+    async def _result_product_orms_for_run(self, db: AsyncSession, run: DinsarProductionRunORM) -> List[ResultProductORM]:
+        result = await db.execute(select(DinsarProductionExecutionORM).where(DinsarProductionExecutionORM.run_id == run.run_id))
+        dirs = [self._publish_package_dir(item.output_dir) for item in result.scalars().all() if item.output_dir]
+        clauses = []
+        for path in dirs:
+            clauses.append(ResultProductORM.publish_dir == path)
+            clauses.append(ResultProductORM.native_output_dir.like(path + "%"))
+            clauses.append(ResultProductORM.manifest_path.like(path + "%"))
+            clauses.append(ResultProductORM.primary_asset_path.like(path + "%"))
+        if not clauses:
+            return []
+        products = await db.execute(select(ResultProductORM).where(or_(*clauses)))
+        by_id: Dict[str, ResultProductORM] = {}
+        for product in products.scalars().all():
+            by_id[product.product_id] = product
+        return list(by_id.values())
+
+    async def _compat_ids_for_products(self, db: AsyncSession, product_ids: List[str]) -> List[int]:
+        if not product_ids:
+            return []
+        result = await db.execute(select(DinsarResultORM).where(DinsarResultORM.compat_product_id.in_(product_ids)))
+        return [int(item.id) for item in result.scalars().all()]
+
+    def _publish_package_dir(self, output_dir: str) -> str:
+        normalized = _normalize_path_text(output_dir)
+        marker = os.sep + "runs" + os.sep
+        if marker.lower() in normalized.lower():
+            lower = normalized.lower()
+            index = lower.index(marker.lower())
+            return normalized[:index]
+        return normalized
+
+    def _copy_task_dest_dir(self, task: SystemTaskORM) -> str:
+        params = task.params if isinstance(task.params, dict) else {}
+        return _normalize_path_text(params.get("dest_dir")) if params.get("dest_dir") else ""
+
+    async def _related_copy_tasks_for_run(
+        self,
+        db: AsyncSession,
+        run: Optional[DinsarProductionRunORM],
+    ) -> List[SystemTaskORM]:
+        source_root = _normalize_path_text(run.source_root if run is not None else "")
+        if not source_root:
+            return []
+        result = await db.execute(
+            select(SystemTaskORM)
+            .where(SystemTaskORM.task_type == "COPY_DATA")
+            .order_by(SystemTaskORM.updated_at.desc(), SystemTaskORM.id.desc())
+            .limit(1000)
+        )
+        tasks = []
+        for task in result.scalars().all():
+            if _normalize_path_text(self._copy_task_dest_dir(task)).lower() == source_root.lower():
+                tasks.append(task)
+        return tasks
+
+    def _diagnose_findings(
+        self,
+        *,
+        task: SystemTaskORM,
+        jobs: List[SystemJobORM],
+        run: Optional[DinsarProductionRunORM],
+        item_counts: Dict[str, int],
+        execution_counts: Dict[str, int],
+        disk_paths: List[Dict[str, Any]],
+    ) -> tuple[List[str], bool, List[str]]:
+        findings: List[str] = []
+        blockers: List[str] = []
+        status = _norm_status(task.status)
+        if status == "FAILED":
+            findings.append("任务已失败，需要人工确认后清理。")
+        elif status == "PARTIAL_SUCCESS":
+            findings.append("任务部分成功，清理前请确认保留策略。")
+        elif status == "CANCELLED":
+            findings.append("任务已取消，可按需清理残留记录和目录。")
+        elif status in ACTIVE_TASK_STATUSES:
+            blockers.append("任务仍处于活动状态。")
+
+        active_jobs = [job for job in jobs if _norm_status(job.status) in ACTIVE_JOB_STATUSES]
+        stale_cutoff = _utcnow_naive() - timedelta(seconds=int(getattr(settings, "JOB_WORKER_STALE_RUNNING_SECONDS", 7200)))
+        stale_jobs = [
+            job for job in active_jobs
+            if job.heartbeat_at is not None and job.heartbeat_at < stale_cutoff
+        ]
+        if stale_jobs:
+            findings.append(f"发现 {len(stale_jobs)} 个心跳超时 job。")
+        if active_jobs and not stale_jobs:
+            blockers.append("仍存在活动 job。")
+
+        residual_running = item_counts.get("RUNNING", 0) + execution_counts.get("RUNNING", 0)
+        if run is not None and residual_running:
+            findings.append(f"生产 run 中仍有 {residual_running} 个 RUNNING 残留。")
+        if run is not None and item_counts.get("PENDING", 0):
+            findings.append(f"生产 run 中仍有 {item_counts.get('PENDING', 0)} 个 PENDING 项未执行。")
+
+        missing_paths = [item for item in disk_paths if item.get("path") and not item.get("exists")]
+        if missing_paths:
+            findings.append(f"有 {len(missing_paths)} 个登记路径已不存在。")
+
+        cleanup_supported = _norm_status(task.task_type) in SUPPORTED_CLEANUP_TASK_TYPES and not blockers
+        return findings, cleanup_supported, blockers
+
+    async def _cleanup_db_counts(self, db: AsyncSession, diagnosis: Dict[str, Any]) -> Dict[str, int]:
+        task_id = diagnosis["task"]["task_id"]
+        run = diagnosis.get("production_run") or {}
+        run_id = run.get("run_id")
+        workflow_run_id = run.get("workflow_run_id")
+        counts = {
+            "system_tasks": await self._count(db, select(func.count()).select_from(SystemTaskORM).where(SystemTaskORM.task_id == task_id)),
+            "system_jobs": await self._count(db, select(func.count()).select_from(SystemJobORM).where(SystemJobORM.task_id == task_id)),
+            "task_logs": await self._count(db, select(func.count()).select_from(TaskLogORM).where(TaskLogORM.task_id == task_id)),
+            "related_system_tasks": 0,
+            "related_system_jobs": 0,
+            "related_task_logs": 0,
+            "dinsar_production_runs": 0,
+            "dinsar_production_run_items": 0,
+            "dinsar_production_executions": 0,
+            "result_products": len(diagnosis.get("result_products") or []),
+            "dinsar_results": 0,
+            "workflow_runs": 0,
+            "workflow_steps": 0,
+            "workflow_artifacts": 0,
+        }
+        if run_id:
+            counts["dinsar_production_runs"] = await self._count(db, select(func.count()).select_from(DinsarProductionRunORM).where(DinsarProductionRunORM.run_id == run_id))
+            counts["dinsar_production_run_items"] = await self._count(db, select(func.count()).select_from(DinsarProductionRunItemORM).where(DinsarProductionRunItemORM.run_id == run_id))
+            counts["dinsar_production_executions"] = await self._count(db, select(func.count()).select_from(DinsarProductionExecutionORM).where(DinsarProductionExecutionORM.run_id == run_id))
+            run_obj = await self._get_run_by_id(db, run_id)
+            related_tasks = await self._related_copy_tasks_for_run(db, run_obj)
+            related_task_ids = [item.task_id for item in related_tasks if item.task_id]
+            counts["related_system_tasks"] = len(related_task_ids)
+            if related_task_ids:
+                counts["related_system_jobs"] = await self._count(db, select(func.count()).select_from(SystemJobORM).where(SystemJobORM.task_id.in_(related_task_ids)))
+                counts["related_task_logs"] = await self._count(db, select(func.count()).select_from(TaskLogORM).where(TaskLogORM.task_id.in_(related_task_ids)))
+        if workflow_run_id:
+            counts["workflow_runs"] = await self._count(db, select(func.count()).select_from(WorkflowRunORM).where(WorkflowRunORM.run_id == workflow_run_id))
+            counts["workflow_steps"] = await self._count(db, select(func.count()).select_from(WorkflowStepORM).where(WorkflowStepORM.run_id == workflow_run_id))
+            counts["workflow_artifacts"] = await self._count(db, select(func.count()).select_from(WorkflowArtifactORM).where(WorkflowArtifactORM.run_id == workflow_run_id))
+        return counts
+
+    async def _get_run_by_id(self, db: AsyncSession, run_id: str) -> Optional[DinsarProductionRunORM]:
+        result = await db.execute(select(DinsarProductionRunORM).where(DinsarProductionRunORM.run_id == run_id))
+        return result.scalar_one_or_none()
+
+    async def _count(self, db: AsyncSession, stmt: Any) -> int:
+        return int((await db.execute(stmt)).scalar_one() or 0)
+
+    def _cleanup_disk_targets(self, diagnosis: Dict[str, Any]) -> List[Dict[str, Any]]:
+        targets: Dict[str, Dict[str, Any]] = {}
+        for item in diagnosis.get("disk_paths") or []:
+            path = _normalize_path_text(item.get("path"))
+            if not path:
+                continue
+            payload = self._path_payload(path, item.get("kind") or "unknown")
+            payload["allowed"] = self._is_allowed_delete_path(path)
+            targets[path.lower()] = payload
+        return list(targets.values())
+
+    def _path_payload(self, path: str, kind: str) -> Dict[str, Any]:
+        normalized = _normalize_path_text(path)
+        exists = _path_exists(normalized)
+        return {
+            "path": normalized,
+            "kind": kind,
+            "exists": exists,
+            "allowed": self._is_allowed_delete_path(normalized),
+        }
+
+    def _is_allowed_delete_path(self, path: str) -> bool:
+        normalized = _normalize_path_text(path)
+        if not normalized:
+            return False
+        roots = [
+            settings.DINSAR_TASK_POOL_ROOT,
+            settings.DINSAR_PRODUCT_DIR,
+            os.path.join(settings.PROJECT_ROOT, "backend", "runtime", "dinsar_production"),
+        ]
+        full = os.path.abspath(normalized)
+        for root in roots:
+            root_text = _normalize_path_text(root)
+            if not root_text:
+                continue
+            root_full = os.path.abspath(root_text)
+            if full == root_full:
+                return False
+            try:
+                if os.path.commonpath([full, root_full]) == root_full:
+                    return True
+            except ValueError:
+                continue
+        return False
+
+    async def _delete_disk_targets(self, preview: Dict[str, Any], options: Dict[str, bool]) -> Dict[str, Any]:
+        delete_production_dirs = bool(options.get("delete_production_dirs", True))
+        delete_task_pool_dir = bool(options.get("delete_task_pool_dir", True))
+        deleted: List[str] = []
+        missing: List[str] = []
+        skipped: List[str] = []
+        failed: List[Dict[str, str]] = []
+        for item in preview.get("disk_deletes") or []:
+            kind = item.get("kind")
+            path = _normalize_path_text(item.get("path"))
+            if not item.get("allowed"):
+                skipped.append(path)
+                continue
+            if kind == "task_pool" and not delete_task_pool_dir:
+                skipped.append(path)
+                continue
+            if kind == "production_result" and not delete_production_dirs:
+                skipped.append(path)
+                continue
+            if not _path_exists(path):
+                missing.append(path)
+                continue
+            try:
+                if os.path.isdir(path):
+                    shutil.rmtree(path)
+                else:
+                    Path(path).unlink()
+                deleted.append(path)
+            except OSError as exc:
+                failed.append({"path": path, "error": str(exc)})
+        return {
+            "deleted": deleted,
+            "missing": missing,
+            "skipped": skipped,
+            "failed": failed,
+        }
+
+    def _task_payload(self, task: SystemTaskORM) -> Dict[str, Any]:
+        return {
+            "id": task.id,
+            "task_id": task.task_id,
+            "task_type": task.task_type,
+            "task_name": task.task_name,
+            "status": task.status,
+            "progress": task.progress,
+            "message": _compact(task.message),
+            "params": task.params,
+            "created_at": _dt(task.created_at),
+            "updated_at": _dt(task.updated_at),
+            "started_at": _dt(task.started_at),
+            "ended_at": _dt(task.ended_at),
+        }
+
+    def _job_payload(self, job: SystemJobORM) -> Dict[str, Any]:
+        return {
+            "job_id": job.job_id,
+            "job_type": job.job_type,
+            "status": job.status,
+            "attempts": job.attempts,
+            "max_attempts": job.max_attempts,
+            "locked_by": job.locked_by,
+            "locked_at": _dt(job.locked_at),
+            "heartbeat_at": _dt(job.heartbeat_at),
+            "started_at": _dt(job.started_at),
+            "finished_at": _dt(job.finished_at),
+            "last_error": _compact(job.last_error),
+        }
+
+    def _run_payload(self, run: DinsarProductionRunORM) -> Dict[str, Any]:
+        return {
+            "run_id": run.run_id,
+            "task_id": run.task_id,
+            "workflow_run_id": run.workflow_run_id,
+            "engine_code": run.engine_code,
+            "profile_code": run.profile_code,
+            "mode": run.mode,
+            "source_root": run.source_root,
+            "publish_root_dir": run.publish_root_dir,
+            "status": run.status,
+            "total_items": run.total_items,
+            "completed_items": run.completed_items,
+            "failed_items": run.failed_items,
+            "skipped_items": run.skipped_items,
+            "latest_message": _compact(run.latest_message),
+            "created_at": _dt(run.created_at),
+            "updated_at": _dt(run.updated_at),
+            "started_at": _dt(run.started_at),
+            "ended_at": _dt(run.ended_at),
+        }
+
+
+ops_maintenance_service = OpsMaintenanceService()
diff --git a/frontend/src/App.css b/frontend/src/App.css
index a725a16..8fbe323 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -3109,6 +3109,269 @@ input[type="checkbox"] {
   cursor: not-allowed;
 }
 
+.health-action-button.danger {
+  border-color: #b91c1c;
+  background: #b91c1c;
+}
+
+.ops-task-panel {
+  display: grid;
+  gap: 12px;
+  padding: 12px;
+  border: 1px solid var(--color-border);
+  border-radius: 8px;
+  background: #fff;
+}
+
+.ops-task-header,
+.ops-task-detail-header,
+.ops-task-actions {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 12px;
+}
+
+.ops-task-header h4,
+.ops-task-detail-header h4 {
+  margin: 0;
+  color: var(--color-text-primary);
+  font-size: 0.95em;
+}
+
+.ops-task-header p,
+.ops-task-detail-header p {
+  margin: 4px 0 0;
+  color: var(--color-text-secondary);
+  font-size: 0.82em;
+  line-height: 1.5;
+}
+
+.ops-task-summary {
+  display: grid;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 8px;
+}
+
+.ops-task-summary > div,
+.ops-task-preview-cell {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  min-width: 0;
+  padding: 8px 10px;
+  border: 1px solid #e2e8f0;
+  border-radius: 6px;
+  background: #f8fafc;
+}
+
+.ops-task-summary span,
+.ops-task-preview-cell span {
+  color: #64748b;
+  font-size: 0.78em;
+}
+
+.ops-task-summary strong,
+.ops-task-preview-cell strong {
+  color: #0f172a;
+  font-size: 0.9em;
+}
+
+.ops-task-filters {
+  display: flex;
+  align-items: flex-end;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+.ops-task-filters label {
+  display: grid;
+  gap: 4px;
+  color: #475569;
+  font-size: 0.78em;
+  font-weight: 700;
+}
+
+.ops-task-filters select {
+  min-width: 150px;
+  padding: 7px 9px;
+  border: 1px solid #cbd5e1;
+  border-radius: 6px;
+  background: #fff;
+  color: #0f172a;
+}
+
+.ops-task-table-wrap {
+  overflow: auto;
+  border: 1px solid #e2e8f0;
+  border-radius: 8px;
+}
+
+.ops-task-table {
+  width: 100%;
+  min-width: 880px;
+  border-collapse: collapse;
+  font-size: 0.82em;
+}
+
+.ops-task-table th,
+.ops-task-table td {
+  padding: 9px 10px;
+  border-bottom: 1px solid #e2e8f0;
+  text-align: left;
+  vertical-align: top;
+}
+
+.ops-task-table th {
+  color: #475569;
+  background: #f8fafc;
+  font-weight: 800;
+}
+
+.ops-task-table tr.selected td {
+  background: #eff6ff;
+}
+
+.ops-task-table tr:last-child td {
+  border-bottom: 0;
+}
+
+.ops-task-name {
+  color: #0f172a;
+  font-weight: 800;
+}
+
+.ops-task-muted {
+  color: #64748b;
+  font-size: 0.82em;
+  line-height: 1.5;
+}
+
+.ops-task-empty {
+  color: #64748b;
+  text-align: center !important;
+}
+
+.ops-task-badge {
+  display: inline-flex;
+  align-items: center;
+  min-height: 22px;
+  padding: 2px 8px;
+  border-radius: 999px;
+  font-size: 0.76em;
+  font-weight: 800;
+  white-space: nowrap;
+}
+
+.ops-task-badge.tone-danger {
+  background: #fee2e2;
+  color: #991b1b;
+}
+
+.ops-task-badge.tone-warn {
+  background: #fef3c7;
+  color: #92400e;
+}
+
+.ops-task-badge.tone-ok {
+  background: #dcfce7;
+  color: #166534;
+}
+
+.ops-task-badge.tone-info {
+  background: #dbeafe;
+  color: #1d4ed8;
+}
+
+.ops-task-badge.tone-neutral {
+  background: #e2e8f0;
+  color: #334155;
+}
+
+.ops-task-detail,
+.ops-task-preview {
+  display: grid;
+  gap: 12px;
+  padding: 12px;
+  border: 1px solid #dbe3ef;
+  border-radius: 8px;
+  background: #fbfdff;
+}
+
+.ops-task-diagnosis {
+  display: grid;
+  gap: 6px;
+}
+
+.ops-task-two-col {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
+  gap: 12px;
+}
+
+.ops-task-section-title {
+  margin-bottom: 6px;
+  color: #334155;
+  font-size: 0.82em;
+  font-weight: 800;
+}
+
+.ops-task-preview-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
+  gap: 6px;
+}
+
+.ops-task-path-list,
+.ops-task-log-list {
+  display: grid;
+  gap: 6px;
+}
+
+.ops-task-path {
+  display: grid;
+  gap: 4px;
+  padding: 8px;
+  border: 1px solid #e2e8f0;
+  border-radius: 6px;
+  background: #fff;
+}
+
+.ops-task-path.blocked {
+  border-color: #fecaca;
+  background: #fff7f7;
+}
+
+.ops-task-path span,
+.ops-task-path em,
+.ops-task-log-list span {
+  color: #64748b;
+  font-size: 0.76em;
+  font-style: normal;
+}
+
+.ops-task-path code {
+  color: #0f172a;
+  font-size: 0.78em;
+  white-space: normal;
+  overflow-wrap: anywhere;
+}
+
+.ops-task-log-list > div {
+  padding: 8px;
+  border: 1px solid #e2e8f0;
+  border-radius: 6px;
+  background: #fff;
+}
+
+.ops-task-log-list p {
+  margin: 3px 0 0;
+  color: #334155;
+  font-size: 0.8em;
+  line-height: 1.45;
+}
+
 .log-management-panel {
   display: grid;
   gap: 10px;
@@ -3460,6 +3723,23 @@ input[type="checkbox"] {
   .health-grid {
     grid-template-columns: 1fr;
   }
+
+  .ops-task-header,
+  .ops-task-detail-header,
+  .ops-task-actions {
+    align-items: stretch;
+    flex-direction: column;
+  }
+
+  .ops-task-summary,
+  .ops-task-two-col {
+    grid-template-columns: 1fr;
+  }
+
+  .ops-task-filters label,
+  .ops-task-filters select {
+    width: 100%;
+  }
 }
 
 /* Top Status Bar */
diff --git a/frontend/src/HealthCheckPanel.jsx b/frontend/src/HealthCheckPanel.jsx
index 146d315..cf9d48c 100644
--- a/frontend/src/HealthCheckPanel.jsx
+++ b/frontend/src/HealthCheckPanel.jsx
@@ -7,6 +7,7 @@ import { syncWaterScenesFromDisk } from './api/water';
 import { listEngines, runWslCheck } from './api/dinsarProduction';
 import { getOrbitStatus, syncOrbitPools } from './api/orbit';
 import LogManagementPanel from './LogManagementPanel';
+import OpsTaskMaintenancePanel from './OpsTaskMaintenancePanel';
 
 const toNumber = (value) => {
   const parsed = Number(value);
@@ -1507,6 +1508,7 @@ const HealthCheckPanel = ({ currentUser }) => {
                 )}
 
                 {/* 日志管理 */}
+                <OpsTaskMaintenancePanel isAdmin={isAdmin} />
                 <LogManagementPanel isAdmin={isAdmin} />
               </div>
             </section>
diff --git a/frontend/src/OpsTaskMaintenancePanel.jsx b/frontend/src/OpsTaskMaintenancePanel.jsx
new file mode 100644
index 0000000..a3f2f35
--- /dev/null
+++ b/frontend/src/OpsTaskMaintenancePanel.jsx
@@ -0,0 +1,368 @@
+import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import {
+  cleanupMaintenanceTask,
+  getMaintenanceTaskDiagnosis,
+  listMaintenanceTasks,
+  previewMaintenanceCleanup,
+} from './api/opsMaintenance';
+
+const TASK_TYPES = [
+  ['', '全部类型'],
+  ['LANDSAR_RUN', 'LandSAR D-InSAR'],
+  ['LANDSAR_CLUSTER_RUN', 'LandSAR 集群'],
+  ['PYINT_RUN', 'PyINT/Gamma'],
+  ['IDL_RUN_DINSAR', 'SARscape D-InSAR'],
+  ['COPY_DATA', '数据准备'],
+  ['PAIRING_CACHE_REBUILD', '配对缓存'],
+];
+
+const STATUSES = [
+  ['', '全部状态'],
+  ['FAILED', '失败'],
+  ['PARTIAL_SUCCESS', '部分成功'],
+  ['CANCELLED', '已取消'],
+  ['RUNNING', '运行中'],
+  ['PENDING', '等待中'],
+];
+
+const formatDate = (value) => {
+  if (!value) return '-';
+  const date = new Date(value);
+  if (Number.isNaN(date.getTime())) return value;
+  return date.toLocaleString('zh-CN', { hour12: false });
+};
+
+const formatCount = (value) => Number(value || 0).toLocaleString('zh-CN');
+
+const toneForStatus = (status) => {
+  const value = String(status || '').toUpperCase();
+  if (value === 'FAILED') return 'danger';
+  if (value === 'PARTIAL_SUCCESS' || value === 'CANCELLED') return 'warn';
+  if (value === 'COMPLETED') return 'ok';
+  if (value === 'RUNNING' || value === 'PENDING') return 'info';
+  return 'neutral';
+};
+
+const StatusBadge = ({ status }) => (
+  <span className={`ops-task-badge tone-${toneForStatus(status)}`}>{status || '-'}</span>
+);
+
+const CountLine = ({ counts = {} }) => (
+  <span>
+    成功 {formatCount(counts.completed_items)} / 失败 {formatCount(counts.failed_items)} / 等待 {formatCount(counts.pending_items)} / 运行 {formatCount(counts.running_items)}
+  </span>
+);
+
+const DatabasePreview = ({ counts = {} }) => {
+  const entries = Object.entries(counts).filter(([, value]) => Number(value || 0) > 0);
+  if (!entries.length) return <div className="ops-task-muted">没有将删除的数据库记录。</div>;
+  return (
+    <div className="ops-task-preview-grid">
+      {entries.map(([key, value]) => (
+        <div key={key} className="ops-task-preview-cell">
+          <span>{key}</span>
+          <strong>{formatCount(value)}</strong>
+        </div>
+      ))}
+    </div>
+  );
+};
+
+const DiskPreview = ({ paths = [] }) => {
+  if (!paths.length) return <div className="ops-task-muted">没有将删除的磁盘路径。</div>;
+  return (
+    <div className="ops-task-path-list">
+      {paths.map(item => (
+        <div key={`${item.kind}-${item.path}`} className={`ops-task-path ${item.allowed ? '' : 'blocked'}`}>
+          <span>{item.kind || 'path'}</span>
+          <code>{item.path}</code>
+          <em>{item.exists ? '存在' : '不存在'} / {item.allowed ? '允许' : '禁止'}</em>
+        </div>
+      ))}
+    </div>
+  );
+};
+
+const OpsTaskMaintenancePanel = ({ isAdmin }) => {
+  const [filters, setFilters] = useState({ task_type: '', status: '' });
+  const [tasks, setTasks] = useState([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState('');
+  const [selectedTaskId, setSelectedTaskId] = useState('');
+  const [diagnosis, setDiagnosis] = useState(null);
+  const [diagnosisLoading, setDiagnosisLoading] = useState(false);
+  const [preview, setPreview] = useState(null);
+  const [previewLoading, setPreviewLoading] = useState(false);
+  const [cleanupLoading, setCleanupLoading] = useState(false);
+  const [cleanupResult, setCleanupResult] = useState(null);
+  const [panelMessage, setPanelMessage] = useState(null);
+
+  const loadTasks = useCallback(async () => {
+    setLoading(true);
+    setError('');
+    try {
+      const data = await listMaintenanceTasks({
+        task_type: filters.task_type || undefined,
+        status: filters.status || undefined,
+        limit: 80,
+      });
+      setTasks(Array.isArray(data?.items) ? data.items : []);
+    } catch (err) {
+      setError(err.response?.data?.detail || err.message || '任务维护列表加载失败');
+    } finally {
+      setLoading(false);
+    }
+  }, [filters]);
+
+  useEffect(() => {
+    loadTasks();
+  }, [loadTasks]);
+
+  const selectedTask = useMemo(
+    () => tasks.find(item => item.task_id === selectedTaskId) || null,
+    [tasks, selectedTaskId],
+  );
+
+  const loadDiagnosis = useCallback(async (taskId) => {
+    setSelectedTaskId(taskId);
+    setDiagnosis(null);
+    setPreview(null);
+    setCleanupResult(null);
+    setPanelMessage(null);
+    setDiagnosisLoading(true);
+    try {
+      const data = await getMaintenanceTaskDiagnosis(taskId);
+      setDiagnosis(data);
+    } catch (err) {
+      setCleanupResult({ ok: false, message: err.response?.data?.detail || err.message || '诊断加载失败' });
+    } finally {
+      setDiagnosisLoading(false);
+    }
+  }, []);
+
+  const loadPreview = useCallback(async () => {
+    if (!selectedTaskId) return;
+    setPreviewLoading(true);
+    setCleanupResult(null);
+    try {
+      const data = await previewMaintenanceCleanup(selectedTaskId);
+      setPreview(data);
+    } catch (err) {
+      setCleanupResult({ ok: false, message: err.response?.data?.detail || err.message || '清理预览失败' });
+    } finally {
+      setPreviewLoading(false);
+    }
+  }, [selectedTaskId]);
+
+  const executeCleanup = useCallback(async () => {
+    if (!selectedTaskId || !preview || preview.blocked || !isAdmin) return;
+    setCleanupLoading(true);
+    setCleanupResult(null);
+    try {
+      const data = await cleanupMaintenanceTask(selectedTaskId, {
+        confirm: true,
+        delete_task_records: true,
+        delete_logs: true,
+        delete_production_records: true,
+        delete_result_products: true,
+        delete_production_dirs: true,
+        delete_task_pool_dir: true,
+      });
+      setCleanupResult({
+        ok: true,
+        message: `清理完成：数据库 ${Object.values(data.deleted_database || {}).reduce((sum, value) => sum + Number(value || 0), 0)} 条，目录 ${(data.deleted_disk?.deleted || []).length} 个。`,
+      });
+      setPanelMessage({
+        ok: true,
+        message: `清理完成：数据库 ${Object.values(data.deleted_database || {}).reduce((sum, value) => sum + Number(value || 0), 0)} 条，目录 ${(data.deleted_disk?.deleted || []).length} 个。`,
+      });
+      setPreview(null);
+      setDiagnosis(null);
+      setSelectedTaskId('');
+      await loadTasks();
+    } catch (err) {
+      setCleanupResult({ ok: false, message: err.response?.data?.detail || err.message || '清理失败' });
+      setPanelMessage({ ok: false, message: err.response?.data?.detail || err.message || '清理失败' });
+    } finally {
+      setCleanupLoading(false);
+    }
+  }, [isAdmin, loadTasks, preview, selectedTaskId]);
+
+  const abnormalCount = tasks.length;
+  const cleanableCount = tasks.filter(item => item.cleanup_supported).length;
+  const blockedCount = tasks.filter(item => !item.cleanup_supported).length;
+
+  return (
+    <div className="ops-task-panel">
+      <div className="ops-task-header">
+        <div>
+          <h4>任务维护</h4>
+          <p>查看失败、部分成功、取消和残留运行的任务；清理后请回到业务页面重新提交。</p>
+        </div>
+        <button className="health-action-button" onClick={loadTasks} disabled={loading}>
+          {loading ? '刷新中...' : '刷新任务'}
+        </button>
+      </div>
+
+      <div className="ops-task-summary">
+        <div><span>异常任务</span><strong>{formatCount(abnormalCount)}</strong></div>
+        <div><span>可清理</span><strong>{formatCount(cleanableCount)}</strong></div>
+        <div><span>需复核</span><strong>{formatCount(blockedCount)}</strong></div>
+      </div>
+
+      <div className="ops-task-filters">
+        <label>
+          <span>任务类型</span>
+          <select value={filters.task_type} onChange={event => setFilters(prev => ({ ...prev, task_type: event.target.value }))}>
+            {TASK_TYPES.map(([value, label]) => <option key={value || 'all'} value={value}>{label}</option>)}
+          </select>
+        </label>
+        <label>
+          <span>状态</span>
+          <select value={filters.status} onChange={event => setFilters(prev => ({ ...prev, status: event.target.value }))}>
+            {STATUSES.map(([value, label]) => <option key={value || 'all'} value={value}>{label}</option>)}
+          </select>
+        </label>
+      </div>
+
+      {error && <div className="health-card-note error">{error}</div>}
+      {panelMessage && (
+        <div className={`health-card-note ${panelMessage.ok ? 'ok' : 'error'}`}>
+          {panelMessage.message}
+        </div>
+      )}
+
+      <div className="ops-task-table-wrap">
+        <table className="ops-task-table">
+          <thead>
+            <tr>
+              <th>状态</th>
+              <th>任务</th>
+              <th>统计</th>
+              <th>问题摘要</th>
+              <th>更新时间</th>
+              <th>操作</th>
+            </tr>
+          </thead>
+          <tbody>
+            {tasks.map(task => (
+              <tr key={task.task_id} className={task.task_id === selectedTaskId ? 'selected' : ''}>
+                <td><StatusBadge status={task.status} /></td>
+                <td>
+                  <div className="ops-task-name">{task.task_name || task.task_id}</div>
+                  <div className="ops-task-muted">{task.task_type} / {task.task_id}</div>
+                </td>
+                <td><CountLine counts={task.counts} /></td>
+                <td>{task.issue_summary || '-'}</td>
+                <td>{formatDate(task.updated_at)}</td>
+                <td>
+                  <button className="health-inline-button" onClick={() => loadDiagnosis(task.task_id)}>
+                    诊断
+                  </button>
+                </td>
+              </tr>
+            ))}
+            {!loading && !tasks.length && (
+              <tr>
+                <td colSpan={6} className="ops-task-empty">当前没有匹配的异常任务。</td>
+              </tr>
+            )}
+          </tbody>
+        </table>
+      </div>
+
+      {selectedTaskId && (
+        <div className="ops-task-detail">
+          <div className="ops-task-detail-header">
+            <div>
+              <h4>{selectedTask?.task_name || selectedTaskId}</h4>
+              <p>{selectedTaskId}</p>
+            </div>
+            <button className="health-inline-button" onClick={loadPreview} disabled={previewLoading || diagnosisLoading}>
+              {previewLoading ? '生成中...' : '生成清理预览'}
+            </button>
+          </div>
+
+          {diagnosisLoading ? (
+            <div className="ops-task-muted">正在加载诊断...</div>
+          ) : diagnosis ? (
+            <>
+              <div className="ops-task-diagnosis">
+                {(diagnosis.diagnosis?.findings || []).map(item => (
+                  <div key={item} className="health-card-note warn">{item}</div>
+                ))}
+                {!(diagnosis.diagnosis?.findings || []).length && (
+                  <div className="health-card-note ok">未发现明显异常。</div>
+                )}
+                {(diagnosis.diagnosis?.cleanup_blockers || []).map(item => (
+                  <div key={item} className="health-card-note error">{item}</div>
+                ))}
+              </div>
+
+              <div className="ops-task-two-col">
+                <div>
+                  <div className="ops-task-section-title">生产统计</div>
+                  <DatabasePreview counts={{
+                    ...diagnosis.production_item_counts,
+                    ...Object.fromEntries(Object.entries(diagnosis.production_execution_counts || {}).map(([key, value]) => [`execution_${key}`, value])),
+                  }} />
+                </div>
+                <div>
+                  <div className="ops-task-section-title">最近日志</div>
+                  <div className="ops-task-log-list">
+                    {(diagnosis.recent_logs || []).slice(0, 8).map(log => (
+                      <div key={log.id}>
+                        <span>[{formatDate(log.timestamp)}] {log.level}</span>
+                        <p>{log.message}</p>
+                      </div>
+                    ))}
+                    {!(diagnosis.recent_logs || []).length && <div className="ops-task-muted">无日志。</div>}
+                  </div>
+                </div>
+              </div>
+            </>
+          ) : null}
+
+          {preview && (
+            <div className="ops-task-preview">
+              <div className="ops-task-section-title">清理预览</div>
+              {preview.blocked && (
+                <div className="health-card-note error">
+                  {preview.blockers?.join('；') || '当前任务不允许清理。'}
+                </div>
+              )}
+              <div className="ops-task-two-col">
+                <div>
+                  <div className="ops-task-section-title">数据库记录</div>
+                  <DatabasePreview counts={preview.database_deletes} />
+                </div>
+                <div>
+                  <div className="ops-task-section-title">磁盘路径</div>
+                  <DiskPreview paths={preview.disk_deletes} />
+                </div>
+              </div>
+              <div className="ops-task-actions">
+                {!isAdmin && <span className="ops-task-muted">仅管理员可执行清理。</span>}
+                <button
+                  className="health-action-button danger"
+                  onClick={executeCleanup}
+                  disabled={!isAdmin || cleanupLoading || preview.blocked}
+                >
+                  {cleanupLoading ? '清理中...' : '确认清理'}
+                </button>
+              </div>
+            </div>
+          )}
+
+          {cleanupResult && (
+            <div className={`health-card-note ${cleanupResult.ok ? 'ok' : 'error'}`}>
+              {cleanupResult.message}
+            </div>
+          )}
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default OpsTaskMaintenancePanel;
diff --git a/frontend/src/api/opsMaintenance.js b/frontend/src/api/opsMaintenance.js
new file mode 100644
index 0000000..94ea568
--- /dev/null
+++ b/frontend/src/api/opsMaintenance.js
@@ -0,0 +1,13 @@
+import apiClient from './client';
+
+export const listMaintenanceTasks = (params = {}) =>
+  apiClient.get('/ops-maintenance/tasks', { params }).then(r => r.data);
+
+export const getMaintenanceTaskDiagnosis = (taskId) =>
+  apiClient.get(`/ops-maintenance/tasks/${encodeURIComponent(taskId)}/diagnosis`).then(r => r.data);
+
+export const previewMaintenanceCleanup = (taskId) =>
+  apiClient.post(`/ops-maintenance/tasks/${encodeURIComponent(taskId)}/cleanup-preview`).then(r => r.data);
+
+export const cleanupMaintenanceTask = (taskId, payload) =>
+  apiClient.post(`/ops-maintenance/tasks/${encodeURIComponent(taskId)}/cleanup`, payload).then(r => r.data);