激光材料数据平台 1.3.0

公开数据看板、四位 Key 录入面板、管理后台与三级权限、动态字段配置、
PostgreSQL/SQLite 双支持、数据库备份，以及本版新增的成品图上传与预览。

图片相关：
- 录入表单支持相册选图与手机端直接拍照，每条记录最多 6 张
- 浏览器内压缩到最长边 1600 并剥离 EXIF，入库统一为 JPG/PNG
- 二进制直接入库，现有备份自动覆盖图片，部署无需新增卷
- 详情页缩略图宫格与全屏 lightbox，公开看板同样可见

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

docker-compose.yml

@@ -0,0 +1,41 @@
+services:
+  db:
+    image: postgres:17-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: laser_data
+      POSTGRES_USER: laser_app
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?请在.env中设置POSTGRES_PASSWORD}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U laser_app -d laser_data"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+  web:
+    build:
+      context: .
+      args:
+        PIP_INDEX_URL: ${PIP_INDEX_URL:-https://pypi.org/simple}
+    restart: unless-stopped
+    ports: ["${APP_PORT:-5980}:8000"]
+    environment:
+      DATABASE_URL: postgresql+psycopg://laser_app:${POSTGRES_PASSWORD}@db:5432/laser_data
+      APP_SECRET: ${APP_SECRET:?请在.env中设置APP_SECRET}
+      ADMIN_USERNAME: ${ADMIN_USERNAME:-admin}
+      ADMIN_PASSWORD: ${ADMIN_PASSWORD:?请在.env中设置ADMIN_PASSWORD}
+      BACKUP_KEEP_DAYS: ${BACKUP_KEEP_DAYS:-30}
+    volumes:
+      - ./backups:/app/backups
+    depends_on:
+      db:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/health', timeout=3)"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+      start_period: 20s
+volumes:
+  postgres_data: