fix: 修复部署问题

video_worker/center_dispatch/.env.example

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+EDGE_DISPATCH_HOST=0.0.0.0
+EDGE_DISPATCH_PORT=8060
+EDGE_MAX_DISPATCH_RECORDS=2000
+
+PYTHON_IMAGE=docker.m.daocloud.io/library/python:3.10-slim
+APT_MIRROR=mirrors.aliyun.com
+PIP_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/
+PIP_TRUSTED_HOST=mirrors.aliyun.com
+
+AUTO_PULL_LATEST=true
+GIT_REPO_URL=
+GIT_BRANCH=master
+GIT_CLONE_DEPTH=1
+GIT_PROJECT_SUBDIR=video_worker
+
+OSS_ENABLED=true
+OSS_ENDPOINT=https://oss-cn-shanghai.aliyuncs.com
+OSS_BUCKET=your-bucket
+OSS_ACCESS_KEY_ID=your-ak
+OSS_ACCESS_KEY_SECRET=your-sk
+OSS_PUBLIC_BASE_URL=https://your-cdn-domain
+OSS_PREFIX=video-worker
+
+LOG_LEVEL=INFO

video_worker/center_dispatch/README.md

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+# Center Dispatch Project
+
+中央调度服务独立项目目录，仅负责：
+
+- 设备接入（`WS /ws/edge/{device_id}`）
+- 上游 HTTP 下发任务（`POST /dispatch/generate`）
+- 上游 HTTP 下发运维指令（`POST /devices/{device_id}/command`）
+- 指令/任务状态查询（`GET /dispatch/{id}`、`GET /commands/{id}`）
+
+## Quick Start
+
+```bash
+cd center_dispatch
+bash scripts/start.sh
+```
+
+停止：
+
+```bash
+bash scripts/stop.sh
+```
+
+## Notes
+
+- 首次运行会生成 `.env`，请至少配置：
+  - `GIT_REPO_URL`（开启 `AUTO_PULL_LATEST=true` 时必填）
+  - OSS 相关配置（`OSS_ENABLED=true` 时必填）

video_worker/center_dispatch/docker-compose.yml

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+services:
+  edge-dispatch:
+    build:
+      context: ..
+      dockerfile: docker/edge-dispatch/Dockerfile
+      args:
+        PYTHON_IMAGE: ${PYTHON_IMAGE:-docker.m.daocloud.io/library/python:3.10-slim}
+        APT_MIRROR: ${APT_MIRROR:-mirrors.aliyun.com}
+        PIP_INDEX_URL: ${PIP_INDEX_URL:-https://mirrors.aliyun.com/pypi/simple/}
+        PIP_TRUSTED_HOST: ${PIP_TRUSTED_HOST:-mirrors.aliyun.com}
+        AUTO_PULL_LATEST: ${AUTO_PULL_LATEST:-true}
+        GIT_REPO_URL: ${GIT_REPO_URL:-}
+        GIT_BRANCH: ${GIT_BRANCH:-master}
+        GIT_CLONE_DEPTH: ${GIT_CLONE_DEPTH:-1}
+        GIT_PROJECT_SUBDIR: ${GIT_PROJECT_SUBDIR:-video_worker}
+    container_name: video-worker-center-dispatch
+    env_file:
+      - .env
+    command: ["python", "-m", "uvicorn", "app.edge_dispatch_service:app", "--host", "0.0.0.0", "--port", "${EDGE_DISPATCH_PORT:-8060}"]
+    ports:
+      - "${EDGE_DISPATCH_PORT:-8060}:${EDGE_DISPATCH_PORT:-8060}"
+    restart: unless-stopped

video_worker/center_dispatch/scripts/start.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+PROJECT_DIR="${ROOT_DIR}/center_dispatch"
+cd "$PROJECT_DIR"
+
+if [ ! -f .env ]; then
+  cp .env.example .env
+  echo "[INFO] .env created from .env.example, please set GIT_REPO_URL/OSS config."
+fi
+
+if ! command -v docker >/dev/null 2>&1; then
+  echo "[ERROR] docker not found"
+  exit 1
+fi
+if ! docker compose version >/dev/null 2>&1; then
+  echo "[ERROR] docker compose not available"
+  exit 1
+fi
+
+PORT=$(grep '^EDGE_DISPATCH_PORT=' .env | tail -n1 | cut -d'=' -f2- || true)
+PORT="${PORT:-8060}"
+
+docker compose up -d --build
+echo "[OK] center dispatch started"
+echo "[INFO] health: curl http://127.0.0.1:${PORT}/health"

video_worker/center_dispatch/scripts/stop.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+PROJECT_DIR="${ROOT_DIR}/center_dispatch"
+cd "$PROJECT_DIR"
+
+docker compose down
+echo "[OK] center dispatch stopped"