chore: 初始版本提交 - 简化架构 + 轮询改造

- 移除 Motia Streams 实时通信，改用 3 秒轮询
- 简化前端代码，移除冗余组件
- 简化后端架构，准备 FastAPI 重构
- 更新 pixi.toml 环境配置
- 保留 bttoxin_digger_v5_repro 作为参考文档

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

docker/dockerfiles/Dockerfile

@@ -0,0 +1,118 @@
+# Build stage: Install dependencies using pixi
+FROM ghcr.io/prefix-dev/pixi:latest AS builder
+
+WORKDIR /app
+
+# Copy project files
+COPY pixi.toml .
+COPY pyproject.toml .
+COPY scripts/ scripts/
+COPY bttoxin/ bttoxin/
+COPY web/ web/
+COPY Data/ Data/
+COPY frontend/ frontend/
+
+# Install all pixi environments
+RUN pixi install
+
+# Create shell hook for webbackend environment
+RUN pixi shell-hook -e webbackend > /shell-hook.sh
+RUN echo 'exec "$@"' >> /shell-hook.sh
+
+# ===========================
+# Stage 1: Build frontend
+# ===========================
+FROM node:20 AS frontend-builder
+WORKDIR /app
+COPY --from=builder /app/frontend ./
+RUN npm install -g pnpm && pnpm install && pnpm build
+
+# ===========================
+# Stage 2: Production (Nginx + Backend)
+# ===========================
+FROM ubuntu:24.04 AS production
+
+WORKDIR /app
+
+# Install Nginx and runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    nginx \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy pixi executable from builder
+COPY --from=builder /usr/local/bin/pixi /usr/local/bin/pixi
+RUN chmod +x /usr/local/bin/pixi
+
+# Copy backend environment from builder
+COPY --from=builder /app/.pixi /app/.pixi
+COPY --from=builder /shell-hook.sh /shell-hook.sh
+
+# Copy backend code
+COPY --from=builder /app/web /app/web
+COPY --from=builder /app/Data /app/Data
+COPY --from=builder /app/bttoxin /app/bttoxin
+COPY --from=builder /app/scripts /app/scripts
+
+# Copy built frontend
+COPY --from=frontend-builder /app/dist /var/www/html
+
+# Create jobs directory
+RUN mkdir -p /app/jobs && chmod 777 /app/jobs
+
+# Configure Nginx
+RUN cat > /etc/nginx/sites-available/default << 'EOF'
+server {
+    listen 80;
+    server_name _;
+    root /var/www/html;
+    index index.html;
+
+    # Gzip compression
+    gzip on;
+    gzip_types text/plain text/css application/json application/javascript text/xml application/xml;
+
+    # Allow uploads up to 100M
+    client_max_body_size 100M;
+
+    # Frontend routes - serve index.html for SPA
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    # API proxy to backend
+    location /api/ {
+        proxy_pass http://127.0.0.1:8000/;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_cache_bypass $http_upgrade;
+    }
+
+    # Health check endpoint
+    location /health {
+        proxy_pass http://127.0.0.1:8000/api/health;
+    }
+}
+EOF
+
+# Expose port
+EXPOSE 80
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost/health || exit 1
+
+# Entrypoint
+ENTRYPOINT ["/bin/bash", "/shell-hook.sh"]
+
+# Command: Start Nginx and Backend
+CMD ["bash", "-c", "\
+    mkdir -p /app/jobs && \
+    uvicorn web.backend.main:app --host 127.0.0.1 --port 8000 & \
+    nginx -g 'daemon off;' \
+"]