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初始化项目：规划文档 + FFU 洁净室流场实时仿真 Demo

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- 规划文档 01-07：愿景 / 架构 / 路线图 / 数据与AI / 风险 / 参考 / FFU Demo
- 演示图：系统架构、数据流水线、里程碑路线图（SVG + PNG）
- FFU Demo：D2Q9 LBM 高保真（360x270, 76s）+ 粗网格快速代理（120x90, 7.3s, 16-27x 加速）
- 趋势验证：速度 r=0.95 / 粒子 r=0.83 / 温度 r=0.68
- 工具链：仿真脚本、快速代理、图表生成器、SVG->PNG 转换
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<text x="908" y="1048" font-family="Microsoft YaHei, Segoe UI, sans-serif" font-size="11.5" fill="#8b949e" font-weight="normal" text-anchor="start" opacity="1.0">翼型族 · 车体 · 管道</text>
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<text x="1239" y="1048" font-family="Microsoft YaHei, Segoe UI, sans-serif" font-size="11.5" fill="#8b949e" font-weight="normal" text-anchor="start" opacity="1.0">工况模板 · 湍流模型</text>
<text x="40" y="1128" font-family="Microsoft YaHei, Segoe UI, sans-serif" font-size="12.5" fill="#8b949e" font-weight="normal" text-anchor="start" opacity="1.0">数据流 ↑（真值 → 训练 → 推理 → 应用） 控制流 ↓（应用需求 → 模型选型 → 数据采集） 物理约束：连续性 / 动量守恒 · 不确定性量化 · 守恒校正</text>
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