Initial import of LWLT AIBOT platform

.env.example

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+NODE_ENV=production
+HOST=0.0.0.0
+PORT=8786
+APP_ORIGIN=https://business.example.internal
+ORG_SLUG=ltjt
+ORG_NAME=LianSyn-platform
+DATABASE_URL=postgresql://ltjt_app:replace-me@postgres:5432/ltjt_platform
+DATABASE_SCHEMA=public
+DATABASE_SSL=disable
+SESSION_COOKIE_NAME=ltjt_session
+FIELD_ENCRYPTION_KEY=base64-32-byte-key
+DEERFLOW_BASE_URL=https://superagent.nianxx.cn
+DEERFLOW_OPEN_API_KEY=replace-me
+# auto = only legacy environment credentials enable AgentBus;
+# true = enable database-managed user channels.
+AGENTBUS_ENABLED=auto
+AGENTBUS_WS_URL=
+# Legacy fallback key. Leave blank when every key is managed in /api/channels.
+AGENTBUS_WS_TOKEN=
+# Default bot address; a channel may override it.
+AGENTBUS_BOT_ADDRESS=
+AGENTBUS_WORKER_ADDRESS=
+AGENTBUS_CLIENT_TYPE=bot
+AGENTBUS_WS_RECONNECT_DELAY=5s
+AGENTBUS_TASK_TIMEOUT_MS=300000
+AGENTBUS_LOG_PAYLOADS=false
+# AgentBus/WeChat result attachments require HTTPS OSS URLs; use OSS storage
+# for deployments that send confirmation files to external channels.
+ARTIFACT_STORAGE_BACKEND=database
+ARTIFACT_MAX_BYTES=10485760
+# confirmation_export is converted by the platform before storage/return;
+# conversion failure falls back to the ERP source file.
+DOCUMENT_CONVERTER_PATH=soffice
+# Optional explicit fontconfig file. Leave blank to auto-detect system/bundled config.
+DOCUMENT_FONTCONFIG_FILE=
+DOCUMENT_CONVERSION_TIMEOUT_MS=120000
+OSS_ACCESS_KEY_ID=
+OSS_ACCESS_KEY_SECRET=
+OSS_ENDPOINT=
+OSS_BUCKET_NAME=
+OSS_REGION=
+OSS_KEY_PREFIX=liansyn-platform/attachments
+PARSER_REQUEST_TIMEOUT_MS=120000
+PARSER_TOTAL_TIMEOUT_MS=180000
+PARSER_MAX_EVENT_BYTES=65536
+PARSER_MAX_TOTAL_BYTES=1048576
+PARSER_MAX_EVENTS=2048
+PARSER_DEFAULT_RETRY_AFTER_MS=5000
+PARSER_MAX_RETRY_AFTER_MS=60000
+PARSE_WORKER_TIMEOUT_MS=240000
+PARSE_LEASE_SECONDS=600
+ERP_EXECUTION_RESULT_TIMEOUT_MS=600000
+ERP_RECONCILIATION_MAINTENANCE_TIMEOUT_MS=1800000
+DATA_RETENTION_ENABLED=false
+DATA_RETENTION_DAYS=180
+LOG_LEVEL=info