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.traefik

@@ -0,0 +1,87 @@
+# BtToxin Pipeline - Production Dockerfile (No Nginx)
+# This version is designed to work with Traefik as the reverse proxy.
+# FastAPI serves both the API and the frontend static files.
+
+# ===========================
+# Stage 1: 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/
+
+# 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 2: Build frontend
+# ===========================
+FROM node:20 AS frontend-builder
+
+WORKDIR /app
+
+# Copy frontend source from builder
+COPY --from=builder /app/web ../web/
+COPY frontend/ .
+
+RUN npm install -g pnpm && \
+    pnpm install && \
+    pnpm build
+
+# ===========================
+# Stage 3: Production (FastAPI only)
+# ===========================
+FROM ubuntu:24.04 AS production
+
+WORKDIR /app
+
+# Install runtime dependencies (only curl for healthcheck)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    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 --from=builder /app/pixi.toml /app/pixi.toml
+
+# Copy built frontend
+COPY --from=frontend-builder /app/dist /app/frontend/dist
+
+# Create jobs directory
+RUN mkdir -p /app/jobs && chmod 777 /app/jobs
+
+# Expose port for FastAPI (will be used by Traefik)
+EXPOSE 8000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:8000/api/health || exit 1
+
+# Entrypoint
+ENTRYPOINT ["/bin/bash", "/shell-hook.sh"]
+
+# Command: Start FastAPI backend
+# FastAPI will serve both API and frontend static files
+CMD ["uvicorn", "web.backend.main:app", "--host", "0.0.0.0", "--port", "8000"]