feat(actpred): 固定范围归一化 + 逐列加权损失,附 pybot*actpred 审计修复
新增 action_norm.py 固定物理范围 min-max 归一化,无 stats 文件零状态部署;train.py 引入 _weighted_mse 逐列加权(舵机 1.0/spk 0.2/保留位 0.0)。审计修复: P0-1 pybot 读 normalize_mode, R2-1 NaN 阻断 best, P2-a 后端大小写不敏感, P1-3 utf-8-sig BOM, R1-1 data_dir 覆盖, R2-7 _run.sh 报错, R2-3 空 val 存 best.pt, P2-a2 误报警, R1-2 合并 parse_action_history, P2-b 合并 numpy import。评估修正 oob 物理界+error_growth 按 episode 中位数。推理部署全链支持 fixed_range。
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"""actpred 共享工具函数(无 torch 依赖,推理/部署文件可复用)"""
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import numpy as np
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def parse_action_history(s: str, action_dim: int) -> np.ndarray:
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"""解析冒号分隔的动作历史字符串为 (H, D) float32 数组"""
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steps = s.split(":")
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history = []
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for step in steps:
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values = [float(v) for v in step.split(",")]
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if len(values) != action_dim:
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raise ValueError(
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f"Expected {action_dim} values per step, got {len(values)}")
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history.append(values)
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return np.array(history, dtype=np.float32)
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