Add LandSAR cluster worker deployment

.env.example

@@ -36,6 +36,7 @@ TRUSTED_PROXY_IPS=127.0.0.1
 PORT=18000
 BACKEND_BIND_HOST=127.0.0.1
 UVICORN_LOG_LEVEL=info
+DASHBOARD_STATS_CACHE_TTL_SECONDS=120
 
 PYTHON_PATH=C:\ProgramData\anaconda3\envs\InSAR\python.exe
 CONDA_EXE=
@@ -65,6 +66,10 @@ SBAS_TASK_POOL_ROOT=D:\Task_Pool\SBAS
 DATA_DISTRIBUTION_ROOT=D:\Task_Pool\Data_Distribution
 GF3_TASK_POOL_ROOT=D:\GaoFen3_Pool\task_pool
 SOURCE_PRODUCT_DIRS=D:\LuTan1_Image_Pool_Zip;D:\Sentinel1_Image_Pool_ZIP
+ASSET_SCAN_PARSE_WORKERS=4
+ASSET_SCAN_PARSE_INFLIGHT=64
+ASSET_SCAN_SKIP_UNCHANGED_FAILURES=true
+ASSET_SCAN_DB_BATCH_SIZE=50
 SENTINEL1_STORAGE_DIRS=
 INSAR_STORAGE_DIRS=
 MONITOR_RADAR_DIRS=
@@ -333,6 +338,12 @@ JOB_WORKER_JOB_HEARTBEAT_INTERVAL=5
 JOB_WORKER_STALE_RECOVER_INTERVAL=15
 JOB_WORKER_STALE_RUNNING_SECONDS=7200
 JOB_WORKER_HEARTBEAT_INTERVAL=5
+# Main server only. Comma/semicolon-separated IPv4 addresses or CIDR blocks allowed
+# to run LandSAR cluster workers against this PostgreSQL server.
+LANDSAR_CLUSTER_ALLOWED_WORKER_IPS=192.168.1.6
+# Empty means the worker can claim all job types. Remote LandSAR nodes should set:
+# JOB_WORKER_ALLOWED_TYPES=LANDSAR_CLUSTER_ITEM
+JOB_WORKER_ALLOWED_TYPES=
 
 
 # -----------------------------------------------------------------------------
@@ -394,6 +405,11 @@ DEFAULT_VLM_MODEL=qwen3-vl:30b
 # Empty means same-origin /tiles, routed by the main nginx proxy.
 VITE_TILE_SERVER_URL=
 VITE_TILE_SERVER_TOKEN=change_me
+VITE_APP_ORG_NAME=黑龙江省自然资源卫星应用技术中心
+VITE_APP_SYSTEM_NAME=InSAR 自动化管理系统
+VITE_APP_SYSTEM_TAGLINE=科研工程生产平台
+# Optional override for deployed builds. Empty uses frontend/src/logo.jpg.
+VITE_APP_LOGO_URL=
 TILE_SERVER_AUTO_START=true
 TILE_SERVER_AUTO_STOP=true
 TILE_SERVER_ROOT=D:\Code\tile-server