Fix D-InSAR task log access after completion

backend/app/routers/tasks_runtime.py

@@ -4,7 +4,7 @@ import asyncio
 import json
 from typing import List, Optional
 
-from fastapi import APIRouter, Depends, HTTPException, Request
+from fastapi import APIRouter, Depends, HTTPException, Query, Request
 from fastapi.responses import StreamingResponse
 from pydantic import BaseModel
 
@@ -38,6 +38,15 @@ def _new_session():
     return database.AsyncSessionLocal()
 
 
+def _split_csv_param(raw: Optional[str]) -> List[str]:
+    values: List[str] = []
+    for chunk in str(raw or "").split(","):
+        text = chunk.strip()
+        if text and text not in values:
+            values.append(text)
+    return values
+
+
 @router.get("/tasks/active", response_model=List[TaskInfo])
 async def get_active_tasks(limit: int = TASK_ACTIVE_DEFAULT_LIMIT, offset: int = 0):
     safe_limit = min(TASK_ACTIVE_MAX_LIMIT, max(1, int(limit or TASK_ACTIVE_DEFAULT_LIMIT)))
@@ -46,6 +55,24 @@ async def get_active_tasks(limit: int = TASK_ACTIVE_DEFAULT_LIMIT, offset: int =
     return [TaskInfo.model_validate(task) for task in orm_tasks]
 
 
+@router.get("/tasks/recent", response_model=List[TaskInfo])
+async def get_recent_tasks(
+    task_types: Optional[str] = Query(None, description="Comma-separated task types."),
+    statuses: Optional[str] = Query(None, description="Comma-separated task statuses."),
+    limit: int = TASK_ACTIVE_DEFAULT_LIMIT,
+    offset: int = 0,
+):
+    safe_limit = min(TASK_ACTIVE_MAX_LIMIT, max(1, int(limit or TASK_ACTIVE_DEFAULT_LIMIT)))
+    safe_offset = min(TASK_QUERY_MAX_OFFSET, max(0, int(offset or 0)))
+    orm_tasks = await task_service.list_tasks(
+        task_types=_split_csv_param(task_types),
+        statuses=_split_csv_param(statuses),
+        limit=safe_limit,
+        offset=safe_offset,
+    )
+    return [TaskInfo.model_validate(task) for task in orm_tasks]
+
+
 @router.get("/tasks/active/stream")
 async def stream_active_tasks(request: Request):
     token = request.cookies.get(SESSION_COOKIE_NAME)

backend/app/services/dinsar_production_service.py

@@ -16,6 +16,7 @@ from ..models import (
     DinsarProductionExecutionORM,
     DinsarProductionRunItemORM,
     DinsarProductionRunORM,
+    SystemTaskORM,
 )
 from .envi_service import RUNTIME_DIR, _collect_task_folders, _resolve_dinsar_pair_identity, _to_local_path
 from .task_service import task_service
@@ -206,6 +207,41 @@ def _public_run_status(value: str) -> str:
 
 
 class DinsarProductionService:
+    async def reconcile_run_with_task(
+        self,
+        run: DinsarProductionRunORM,
+        task: Optional[SystemTaskORM],
+        *,
+        db: AsyncSession,
+    ) -> bool:
+        if task is None:
+            return False
+
+        run_status = str(run.status or "").strip().upper()
+        task_status = str(task.status or "").strip().upper()
+        if run_status in TERMINAL_RUN_STATUSES:
+            return False
+        if task_status not in {"COMPLETED", "FAILED", "CANCELLED"}:
+            return False
+
+        if task_status == "COMPLETED":
+            next_status = RUN_STATUS_COMPLETED
+        elif task_status == "CANCELLED":
+            next_status = RUN_STATUS_CANCELLED
+            run.cancel_requested = True
+        else:
+            next_status = RUN_STATUS_FAILED
+
+        summary_payload = dict(run.summary_json or {})
+        summary_payload["reconciled_from_task_status"] = task_status
+        latest_message = str(task.message or "").strip() or f"Reconciled from task status {task_status}"
+        run.status = next_status
+        run.summary_json = summary_payload
+        run.latest_message = latest_message
+        run.ended_at = run.ended_at or _utcnow()
+        await self.refresh_run_counters(run, db=db, latest_message=latest_message)
+        return True
+
     async def create_run(
         self,
         *,
@@ -374,6 +410,26 @@ class DinsarProductionService:
         )
         result = await db.execute(stmt)
         runs = result.scalars().all()
+        pending_reconcile = [
+            run
+            for run in runs
+            if run.task_id and str(run.status or "").strip().upper() not in TERMINAL_RUN_STATUSES
+        ]
+        if pending_reconcile:
+            task_ids = [run.task_id for run in pending_reconcile if run.task_id]
+            task_result = await db.execute(
+                select(SystemTaskORM).where(SystemTaskORM.task_id.in_(task_ids))
+            )
+            tasks_by_id = {task.task_id: task for task in task_result.scalars().all()}
+            changed = False
+            for run in pending_reconcile:
+                changed = await self.reconcile_run_with_task(
+                    run,
+                    tasks_by_id.get(run.task_id),
+                    db=db,
+                ) or changed
+            if changed:
+                await db.commit()
         return {
             "runs": [
                 {

backend/app/services/job_handlers.py

@@ -1823,7 +1823,43 @@ async def _handle_idl_run_dinsar(job: SystemJobORM) -> None:
     payload = job.payload or {}
     production_run_id = str(payload.get("production_run_id") or "").strip()
     if production_run_id:
+        try:
             await _run_dinsar_production_controller(job)
+        except Exception as exc:
+            latest_message = f"D-InSAR production controller failed: {exc}"
+            try:
+                async with AsyncSessionLocal() as db:
+                    run = await dinsar_production_service.get_run(production_run_id, db)
+                    if run is not None and str(run.status or "").strip().upper() not in {"COMPLETED", "FAILED", "CANCELLED"}:
+                        summary_payload = dict(run.summary_json or {})
+                        summary_payload["controller_error"] = str(exc)
+                        await dinsar_production_service.finalize_run(
+                            run,
+                            db=db,
+                            status="FAILED",
+                            summary_payload=summary_payload,
+                            latest_message=latest_message,
+                        )
+                        dinsar_production_service.append_run_log(
+                            run.run_id,
+                            f"[controller-failed] {exc}",
+                        )
+            except Exception:
+                pass
+
+            try:
+                current_task = await task_service.get_task(job.task_id)
+                if current_task and current_task.status not in {"COMPLETED", "FAILED", "CANCELLED"}:
+                    await task_service.add_log(job.task_id, "ERROR", latest_message)
+                    await task_service.update_task(
+                        job.task_id,
+                        status="FAILED",
+                        progress=100,
+                        message=latest_message,
+                    )
+            except Exception:
+                pass
+            raise
         return
 
     mode = payload.get("mode", "metatask")

backend/app/services/task_service.py

@@ -65,6 +65,19 @@ def _clamp_pagination(limit: int, offset: int, *, default_limit: int, max_limit:
     return safe_limit, safe_offset
 
 
+def _normalize_string_list(values: Optional[List[str]], *, uppercase: bool = False) -> List[str]:
+    normalized: List[str] = []
+    for raw in values or []:
+        text = str(raw or "").strip()
+        if not text:
+            continue
+        if uppercase:
+            text = text.upper()
+        if text not in normalized:
+            normalized.append(text)
+    return normalized
+
+
 def _task_type_lock_key(task_type: str) -> int:
     normalized = (task_type or "").strip().lower().encode("utf-8")
     digest = hashlib.sha256(normalized).digest()
@@ -110,6 +123,27 @@ class TaskService:
     def __init__(self):
         pass
 
+    async def _expire_zombie_tasks(self, db: AsyncSession) -> None:
+        timeout_threshold = datetime.now() - timedelta(minutes=TASK_TIMEOUT_MINUTES)
+        result = await db.execute(
+            select(SystemTaskORM).where(
+                and_(
+                    SystemTaskORM.status == "RUNNING",
+                    SystemTaskORM.updated_at < timeout_threshold
+                )
+            )
+        )
+        zombie_tasks = result.scalars().all()
+
+        for task in zombie_tasks:
+            task.status = "FAILED"
+            task.message = "系统检测超时: 任务被认为已失效 (心跳超时)"
+            log = TaskLogORM(task_id=task.task_id, log_level="WARNING", message="任务因超时被自动标记为失败")
+            db.add(log)
+
+        if zombie_tasks:
+            await db.commit()
+
     async def create_task(
         self,
         task_type: str,
@@ -269,26 +303,7 @@ class TaskService:
                 max_limit=TASK_ACTIVE_MAX_LIMIT,
             )
 
-            # 1. 查找僵尸任务并标记为失败
+            await self._expire_zombie_tasks(db)
-            timeout_threshold = datetime.now() - timedelta(minutes=TASK_TIMEOUT_MINUTES)
-            result = await db.execute(
-                select(SystemTaskORM).where(
-                    and_(
-                        SystemTaskORM.status == "RUNNING",
-                        SystemTaskORM.updated_at < timeout_threshold
-                    )
-                )
-            )
-            zombie_tasks = result.scalars().all()
-
-            for task in zombie_tasks:
-                task.status = "FAILED"
-                task.message = "系统检测超时: 任务被认为已失效 (心跳超时)"
-                log = TaskLogORM(task_id=task.task_id, log_level="WARNING", message="任务因超时被自动标记为失败")
-                db.add(log)
-
-            if zombie_tasks:
-                await db.commit()
 
             # 2. 获取活跃任务
             active_result = await db.execute(
@@ -304,6 +319,48 @@ class TaskService:
             if gen_db:
                 await db.close()
 
+    async def list_tasks(
+        self,
+        task_types: Optional[List[str]] = None,
+        statuses: Optional[List[str]] = None,
+        limit: int = TASK_ACTIVE_DEFAULT_LIMIT,
+        offset: int = 0,
+        db: Optional[AsyncSession] = None,
+    ) -> List[SystemTaskORM]:
+        gen_db = db is None
+        if gen_db:
+            db = get_db_session()
+
+        try:
+            safe_limit, safe_offset = _clamp_pagination(
+                limit,
+                offset,
+                default_limit=TASK_ACTIVE_DEFAULT_LIMIT,
+                max_limit=TASK_ACTIVE_MAX_LIMIT,
+            )
+            await self._expire_zombie_tasks(db)
+
+            normalized_task_types = _normalize_string_list(task_types)
+            normalized_statuses = _normalize_string_list(statuses, uppercase=True)
+
+            stmt = select(SystemTaskORM)
+            if normalized_task_types:
+                stmt = stmt.where(SystemTaskORM.task_type.in_(normalized_task_types))
+            if normalized_statuses:
+                stmt = stmt.where(SystemTaskORM.status.in_(normalized_statuses))
+
+            stmt = (
+                stmt
+                .order_by(SystemTaskORM.created_at.desc(), SystemTaskORM.id.desc())
+                .offset(safe_offset)
+                .limit(safe_limit)
+            )
+            result = await db.execute(stmt)
+            return result.scalars().all()
+        finally:
+            if gen_db:
+                await db.close()
+
     async def get_task(self, task_id: str, db: Optional[AsyncSession] = None) -> Optional[SystemTaskORM]:
         gen_db = db is None
         if gen_db:

frontend/src/DinsarProductionPanel.jsx

@@ -253,6 +253,20 @@ export default function DinsarProductionPanel({ readOnly = false, onJobQueued })
   const currentProfiles = currentEngineObj?.profiles || EMPTY_ARRAY;
   const currentProfileObj = currentProfiles.find(profile => profile.code === selectedProfile) || null;
   const currentParamSchema = currentProfileObj?.params_schema || EMPTY_OBJECT;
+  const latestRunWithTask = runs.find(run => run?.task_id) || null;
+  const monitoredTask = activeTask || (
+    latestRunWithTask
+      ? {
+        task_id: latestRunWithTask.task_id,
+        task_type: latestRunWithTask.engine === 'isce2' ? 'ISCE2_RUN' : 'IDL_RUN_DINSAR',
+        status: latestRunWithTask.raw_status || latestRunWithTask.status,
+        progress: latestRunWithTask.raw_status === 'COMPLETED' || latestRunWithTask.status === 'success' ? 100 : null,
+        message: latestRunWithTask.message || '最近一次任务',
+      }
+      : null
+  );
+  const logTaskId = monitoredTask?.task_id || '';
+  const showingRecentTask = !activeTask && !!monitoredTask;
 
   const loadEngines = useCallback(async () => {
     setEnginesLoading(true);
@@ -306,7 +320,7 @@ export default function DinsarProductionPanel({ readOnly = false, onJobQueued })
   }, []);
 
   const handleDeleteTaskLog = useCallback(async logId => {
-    const taskId = activeTask?.task_id;
+    const taskId = logTaskId;
     if (!taskId || !logId || taskLogActionLoading) return;
     if (!window.confirm('确定要删除这条任务日志吗？')) return;
 
@@ -322,12 +336,12 @@ export default function DinsarProductionPanel({ readOnly = false, onJobQueued })
       setTaskLogDeletingId(null);
       setTaskLogActionLoading(false);
     }
-  }, [activeTask?.task_id, loadTaskLogs, taskLogActionLoading]);
+  }, [logTaskId, loadTaskLogs, taskLogActionLoading]);
 
   const handleClearTaskLogs = useCallback(async () => {
-    const taskId = activeTask?.task_id;
+    const taskId = logTaskId;
     if (!taskId || taskLogActionLoading || taskLogs.length === 0) return;
-    if (!window.confirm('确定要清空当前任务的全部日志吗？')) return;
+    if (!window.confirm(`确定要清空任务 ${taskId} 的全部日志吗？`)) return;
 
     setTaskLogActionLoading(true);
     try {
@@ -339,7 +353,7 @@ export default function DinsarProductionPanel({ readOnly = false, onJobQueued })
     } finally {
       setTaskLogActionLoading(false);
     }
-  }, [activeTask?.task_id, loadTaskLogs, taskLogActionLoading, taskLogs.length]);
+  }, [logTaskId, loadTaskLogs, taskLogActionLoading, taskLogs.length]);
 
   useEffect(() => {
     loadEngines();
@@ -348,17 +362,20 @@ export default function DinsarProductionPanel({ readOnly = false, onJobQueued })
   }, [loadActiveTask, loadEngines, loadRuns]);
 
   useEffect(() => {
-    const timer = setInterval(loadActiveTask, 5000);
+    const timer = setInterval(() => {
+      loadRuns();
+      loadActiveTask();
+    }, 5000);
     return () => clearInterval(timer);
-  }, [loadActiveTask]);
+  }, [loadActiveTask, loadRuns]);
 
   useEffect(() => {
-    const taskId = activeTask?.task_id || '';
+    const taskId = logTaskId;
     loadTaskLogs(taskId);
     if (!taskId) return undefined;
     const timer = setInterval(() => loadTaskLogs(taskId), 5000);
     return () => clearInterval(timer);
-  }, [activeTask?.task_id, loadTaskLogs]);
+  }, [logTaskId, loadTaskLogs]);
 
   useEffect(() => {
     if (currentProfiles.length > 0) {
@@ -672,31 +689,65 @@ export default function DinsarProductionPanel({ readOnly = false, onJobQueued })
           </button>
         </div>
 
-        {activeTask && (
+        {monitoredTask && (
-          <div style={{ marginBottom: 10, padding: '8px 10px', background: '#fefce8', borderRadius: 6, border: '1px solid #fde68a' }}>
+          <div
-            <div style={{ fontSize: 12, fontWeight: 600, color: '#92400e', marginBottom: 4 }}>当前任务</div>
+            style={{
-            <div style={{ fontSize: 12, color: '#78350f', wordBreak: 'break-all' }}>
+              marginBottom: 10,
-              {activeTask.task_id} - {formatTaskType(activeTask.task_type)} - {formatStatus(activeTask.status)} - {activeTask.message}
+              padding: '8px 10px',
+              background: showingRecentTask ? '#eff6ff' : '#fefce8',
+              borderRadius: 6,
+              border: `1px solid ${showingRecentTask ? '#bfdbfe' : '#fde68a'}`,
+            }}
+          >
+            <div
+              style={{
+                fontSize: 12,
+                fontWeight: 600,
+                color: showingRecentTask ? '#1d4ed8' : '#92400e',
+                marginBottom: 4,
+              }}
+            >
+              {showingRecentTask ? '最近一次任务' : '当前任务'}
             </div>
-            {activeTask.progress != null && (
+            <div style={{ fontSize: 12, color: showingRecentTask ? '#1e40af' : '#78350f', wordBreak: 'break-all' }}>
+              {monitoredTask.task_id} - {formatTaskType(monitoredTask.task_type)} - {formatStatus(monitoredTask.status)} - {monitoredTask.message}
+            </div>
+            {monitoredTask.progress != null && (
               <div style={{ marginTop: 6 }}>
-                <div style={{ height: 6, background: '#fde68a', borderRadius: 3, overflow: 'hidden' }}>
+                <div
+                  style={{
+                    height: 6,
+                    background: showingRecentTask ? '#dbeafe' : '#fde68a',
+                    borderRadius: 3,
+                    overflow: 'hidden',
+                  }}
+                >
                   <div
                     style={{
                       height: '100%',
-                      width: `${activeTask.progress}%`,
+                      width: `${monitoredTask.progress}%`,
-                      background: '#f59e0b',
+                      background: showingRecentTask ? '#3b82f6' : '#f59e0b',
                       transition: 'width 0.3s',
                     }}
                   />
                 </div>
-                <div style={{ fontSize: 11, color: '#92400e', marginTop: 2 }}>{activeTask.progress}%</div>
+                <div style={{ fontSize: 11, color: showingRecentTask ? '#1d4ed8' : '#92400e', marginTop: 2 }}>{monitoredTask.progress}%</div>
               </div>
             )}
 
-            <div style={{ marginTop: 8, background: '#fff', border: '1px solid #fde68a', borderRadius: 6, padding: '8px 10px' }}>
+            <div
+              style={{
+                marginTop: 8,
+                background: '#fff',
+                border: `1px solid ${showingRecentTask ? '#bfdbfe' : '#fde68a'}`,
+                borderRadius: 6,
+                padding: '8px 10px',
+              }}
+            >
               <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', gap: 8, marginBottom: 6 }}>
-                <div style={{ fontSize: 11, fontWeight: 600, color: '#92400e' }}>任务日志</div>
+                <div style={{ fontSize: 11, fontWeight: 600, color: showingRecentTask ? '#1d4ed8' : '#92400e' }}>
+                  {showingRecentTask ? '最近一次任务日志' : '当前任务日志'}
+                </div>
                 {!readOnly && (
                   <button
                     onClick={handleClearTaskLogs}
@@ -716,9 +767,9 @@ export default function DinsarProductionPanel({ readOnly = false, onJobQueued })
                 )}
               </div>
               {taskLogsLoading ? (
-                <div style={{ fontSize: 11, color: '#a16207' }}>加载中...</div>
+                <div style={{ fontSize: 11, color: showingRecentTask ? '#1d4ed8' : '#a16207' }}>加载中...</div>
               ) : taskLogs.length === 0 ? (
-                <div style={{ fontSize: 11, color: '#a16207' }}>暂无日志。</div>
+                <div style={{ fontSize: 11, color: showingRecentTask ? '#1d4ed8' : '#a16207' }}>暂无日志。</div>
               ) : (
                 <div style={{ maxHeight: 220, overflowY: 'auto', display: 'flex', flexDirection: 'column', gap: 6 }}>
                   {taskLogs.map((log, index) => (
@@ -731,7 +782,15 @@ export default function DinsarProductionPanel({ readOnly = false, onJobQueued })
                         alignItems: 'flex-start',
                       }}
                     >
-                      <div style={{ flex: 1, minWidth: 0, fontSize: 11, lineHeight: 1.45, color: log.level === 'WARNING' ? '#b45309' : '#334155' }}>
+                      <div
+                        style={{
+                          flex: 1,
+                          minWidth: 0,
+                          fontSize: 11,
+                          lineHeight: 1.45,
+                          color: log.level === 'ERROR' ? '#b91c1c' : log.level === 'WARNING' ? '#b45309' : '#334155',
+                        }}
+                      >
                         <div style={{ color: '#64748b' }}>
                           {(log.timestamp || '').replace('T', ' ').replace('Z', '')} [{log.level}]
                         </div>

frontend/src/DinsarProductsPanel.jsx

@@ -2,7 +2,7 @@
 
 import { scanDinsarResults } from './api/dinsar';
 import { extractDispResults } from './api/idl';
-import { clearTaskLogs, deleteTaskLog, getActiveTasks, getTaskLogs } from './api/tasks';
+import { clearTaskLogs, deleteTaskLog, getActiveTasks, getRecentTasks, getTaskLogs } from './api/tasks';
 import DinsarCatalogPanel from './components/DinsarCatalogPanel';
 
 const card = {
@@ -52,10 +52,14 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
   const [scanning, setScanning] = useState(false);
 
   const [activeTask, setActiveTask] = useState(null);
+  const [recentTask, setRecentTask] = useState(null);
   const [taskLogs, setTaskLogs] = useState([]);
   const [taskLogsLoading, setTaskLogsLoading] = useState(false);
   const [taskLogActionLoading, setTaskLogActionLoading] = useState(false);
   const [taskLogDeletingId, setTaskLogDeletingId] = useState(null);
+  const monitoredTask = activeTask || recentTask;
+  const logTaskId = monitoredTask?.task_id || '';
+  const showingRecentTask = !activeTask && !!recentTask;
 
   const loadActiveTask = useCallback(async () => {
     try {
@@ -68,6 +72,15 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
     }
   }, []);
 
+  const loadRecentTask = useCallback(async () => {
+    try {
+      const tasks = await getRecentTasks(PRODUCT_TASK_TYPES, [], 1, 0);
+      setRecentTask(Array.isArray(tasks) ? (tasks[0] || null) : null);
+    } catch {
+      setRecentTask(null);
+    }
+  }, []);
+
   const loadTaskLogs = useCallback(async taskId => {
     if (!taskId) {
       setTaskLogs([]);
@@ -85,7 +98,7 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
   }, []);
 
   const handleDeleteTaskLog = useCallback(async logId => {
-    const taskId = activeTask?.task_id;
+    const taskId = logTaskId;
     if (!taskId || !logId || taskLogActionLoading) return;
     if (!window.confirm('确定要删除这条任务日志吗？')) return;
 
@@ -101,12 +114,12 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
       setTaskLogDeletingId(null);
       setTaskLogActionLoading(false);
     }
-  }, [activeTask?.task_id, loadTaskLogs, taskLogActionLoading]);
+  }, [logTaskId, loadTaskLogs, taskLogActionLoading]);
 
   const handleClearTaskLogs = useCallback(async () => {
-    const taskId = activeTask?.task_id;
+    const taskId = logTaskId;
     if (!taskId || taskLogActionLoading || taskLogs.length === 0) return;
-    if (!window.confirm('确定要清空当前任务的全部日志吗？')) return;
+    if (!window.confirm(`确定要清空任务 ${taskId} 的全部日志吗？`)) return;
 
     setTaskLogActionLoading(true);
     try {
@@ -118,24 +131,28 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
     } finally {
       setTaskLogActionLoading(false);
     }
-  }, [activeTask?.task_id, loadTaskLogs, taskLogActionLoading, taskLogs.length]);
+  }, [logTaskId, loadTaskLogs, taskLogActionLoading, taskLogs.length]);
 
   useEffect(() => {
     loadActiveTask();
-  }, [loadActiveTask]);
+    loadRecentTask();
+  }, [loadActiveTask, loadRecentTask]);
 
   useEffect(() => {
-    const timer = setInterval(loadActiveTask, 5000);
+    const timer = setInterval(() => {
+      loadActiveTask();
+      loadRecentTask();
+    }, 5000);
     return () => clearInterval(timer);
-  }, [loadActiveTask]);
+  }, [loadActiveTask, loadRecentTask]);
 
   useEffect(() => {
-    const taskId = activeTask?.task_id || '';
+    const taskId = logTaskId;
     loadTaskLogs(taskId);
     if (!taskId) return undefined;
     const timer = setInterval(() => loadTaskLogs(taskId), 5000);
     return () => clearInterval(timer);
-  }, [activeTask?.task_id, loadTaskLogs]);
+  }, [logTaskId, loadTaskLogs]);
 
   const handleExtract = async () => {
     if (!extractRootDir.trim()) return;
@@ -165,6 +182,7 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
         onJobQueued?.(result.task_id);
       }
       loadActiveTask();
+      loadRecentTask();
     } catch (err) {
       setActionError(true);
       setActionMessage(err?.response?.data?.detail || err.message || 'D-InSAR结果扫描失败');
@@ -271,7 +289,10 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
         <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: 10 }}>
           <strong style={{ fontSize: 14 }}>产物任务监控</strong>
           <button
-            onClick={loadActiveTask}
+            onClick={() => {
+              loadActiveTask();
+              loadRecentTask();
+            }}
             style={{
               fontSize: 12,
               padding: '3px 10px',
@@ -285,33 +306,66 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
           </button>
         </div>
 
-        {!activeTask ? (
+        {!monitoredTask ? (
           <div style={{ fontSize: 12, color: '#94a3b8' }}>当前没有正在执行的产物处理任务。</div>
         ) : (
-          <div style={{ padding: '8px 10px', background: '#fefce8', borderRadius: 6, border: '1px solid #fde68a' }}>
+          <div
-            <div style={{ fontSize: 12, fontWeight: 600, color: '#92400e', marginBottom: 4 }}>当前任务</div>
+            style={{
-            <div style={{ fontSize: 12, color: '#78350f', wordBreak: 'break-all' }}>
+              padding: '8px 10px',
-              {activeTask.task_id} - {formatTaskType(activeTask.task_type)} - {formatStatus(activeTask.status)} - {activeTask.message}
+              background: showingRecentTask ? '#eff6ff' : '#fefce8',
+              borderRadius: 6,
+              border: `1px solid ${showingRecentTask ? '#bfdbfe' : '#fde68a'}`,
+            }}
+          >
+            <div
+              style={{
+                fontSize: 12,
+                fontWeight: 600,
+                color: showingRecentTask ? '#1d4ed8' : '#92400e',
+                marginBottom: 4,
+              }}
+            >
+              {showingRecentTask ? '最近一次任务' : '当前任务'}
             </div>
-            {activeTask.progress != null && (
+            <div style={{ fontSize: 12, color: showingRecentTask ? '#1e40af' : '#78350f', wordBreak: 'break-all' }}>
+              {monitoredTask.task_id} - {formatTaskType(monitoredTask.task_type)} - {formatStatus(monitoredTask.status)} - {monitoredTask.message}
+            </div>
+            {monitoredTask.progress != null && (
               <div style={{ marginTop: 6 }}>
-                <div style={{ height: 6, background: '#fde68a', borderRadius: 3, overflow: 'hidden' }}>
+                <div
+                  style={{
+                    height: 6,
+                    background: showingRecentTask ? '#dbeafe' : '#fde68a',
+                    borderRadius: 3,
+                    overflow: 'hidden',
+                  }}
+                >
                   <div
                     style={{
                       height: '100%',
-                      width: `${activeTask.progress}%`,
+                      width: `${monitoredTask.progress}%`,
-                      background: '#f59e0b',
+                      background: showingRecentTask ? '#3b82f6' : '#f59e0b',
                       transition: 'width 0.3s',
                     }}
                   />
                 </div>
-                <div style={{ fontSize: 11, color: '#92400e', marginTop: 2 }}>{activeTask.progress}%</div>
+                <div style={{ fontSize: 11, color: showingRecentTask ? '#1d4ed8' : '#92400e', marginTop: 2 }}>{monitoredTask.progress}%</div>
               </div>
             )}
 
-            <div style={{ marginTop: 8, background: '#fff', border: '1px solid #fde68a', borderRadius: 6, padding: '8px 10px' }}>
+            <div
+              style={{
+                marginTop: 8,
+                background: '#fff',
+                border: `1px solid ${showingRecentTask ? '#bfdbfe' : '#fde68a'}`,
+                borderRadius: 6,
+                padding: '8px 10px',
+              }}
+            >
               <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', gap: 8, marginBottom: 6 }}>
-                <div style={{ fontSize: 11, fontWeight: 600, color: '#92400e' }}>任务日志</div>
+                <div style={{ fontSize: 11, fontWeight: 600, color: showingRecentTask ? '#1d4ed8' : '#92400e' }}>
+                  {showingRecentTask ? '最近一次任务日志' : '当前任务日志'}
+                </div>
                 {!readOnly && (
                   <button
                     onClick={handleClearTaskLogs}
@@ -331,9 +385,9 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
                 )}
               </div>
               {taskLogsLoading ? (
-                <div style={{ fontSize: 11, color: '#a16207' }}>加载中...</div>
+                <div style={{ fontSize: 11, color: showingRecentTask ? '#1d4ed8' : '#a16207' }}>加载中...</div>
               ) : taskLogs.length === 0 ? (
-                <div style={{ fontSize: 11, color: '#a16207' }}>暂无日志。</div>
+                <div style={{ fontSize: 11, color: showingRecentTask ? '#1d4ed8' : '#a16207' }}>暂无日志。</div>
               ) : (
                 <div style={{ maxHeight: 220, overflowY: 'auto', display: 'flex', flexDirection: 'column', gap: 6 }}>
                   {taskLogs.map((log, index) => (
@@ -346,7 +400,15 @@ export default function DinsarProductsPanel({ readOnly = false, onJobQueued }) {
                         alignItems: 'flex-start',
                       }}
                     >
-                      <div style={{ flex: 1, minWidth: 0, fontSize: 11, lineHeight: 1.45, color: log.level === 'WARNING' ? '#b45309' : '#334155' }}>
+                      <div
+                        style={{
+                          flex: 1,
+                          minWidth: 0,
+                          fontSize: 11,
+                          lineHeight: 1.45,
+                          color: log.level === 'ERROR' ? '#b91c1c' : log.level === 'WARNING' ? '#b45309' : '#334155',
+                        }}
+                      >
                         <div style={{ color: '#64748b' }}>
                           {(log.timestamp || '').replace('T', ' ').replace('Z', '')} [{log.level}]
                         </div>

frontend/src/api/tasks.js

@@ -1,6 +1,15 @@
 import apiClient from './client';
 
 export const getActiveTasks = () => apiClient.get('/tasks/active').then(r => r.data);
+export const getRecentTasks = (taskTypes = [], statuses = [], limit = 20, offset = 0) =>
+  apiClient.get('/tasks/recent', {
+    params: {
+      task_types: taskTypes.length ? taskTypes.join(',') : undefined,
+      statuses: statuses.length ? statuses.join(',') : undefined,
+      limit,
+      offset,
+    },
+  }).then(r => r.data);
 export const getTask = (taskId) => apiClient.get(`/tasks/${taskId}`).then(r => r.data);
 export const getTaskLogs = (taskId, limit = 50, offset = 0) =>
   apiClient.get(`/tasks/${taskId}/logs?limit=${encodeURIComponent(limit)}&offset=${encodeURIComponent(offset)}`).then(r => r.data);