fix: Docker 构建改用 npm 替代 pnpm + 补全 OAuth/Redis 环境变量

- Dockerfile 全部改为 npm install + 全局 tsc，解决 pnpm 符号链接问题
- docker-compose 添加 Redis 服务、OAuth 环境变量透传、web 端口改为可配置
- MCP URL 改用 window.location.origin 适配反向代理
- tsconfig 添加 paths 映射解决 Docker 内模块引用

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/web/Dockerfile

@@ -1,14 +1,16 @@
 FROM node:20-alpine AS build
-RUN corepack enable && corepack prepare pnpm@latest --activate
-WORKDIR /app
+WORKDIR /app/packages/web
 
-COPY pnpm-lock.yaml pnpm-workspace.yaml package.json ./
-COPY packages/web/package.json packages/web/
-RUN pnpm install --frozen-lockfile --filter @agent-fox/web...
+COPY packages/web/package.json ./
+RUN npm install
 
-COPY packages/web/ packages/web/
-COPY tsconfig.base.json ./
-RUN pnpm --filter @agent-fox/web build
+COPY packages/web/src/ ./src/
+COPY packages/web/index.html ./
+COPY packages/web/vite.config.ts ./
+COPY packages/web/tsconfig.json ./
+COPY tsconfig.base.json /app/
+
+RUN npx vite build
 
 FROM nginx:alpine
 COPY --from=build /app/packages/web/dist /usr/share/nginx/html