feat(monitor): 网页加 CPU 占用卡（总占用环 + 28 核逐核条），psutil 采样缓存 1 秒；顺便重启控制台让之前的补量进度口径与停止补杀生效

ml/monitor.py

@@ -68,6 +68,23 @@ def read_log(name, offset):
     return {'records': recs, 'offset': offset + end, 'size': size, 'reset': offset == 0, 'mtime': os.path.getmtime(f)}
 
 
+_CPU_CACHE = {'t': 0.0, 'v': {}}
+
+
+def cpu():
+    """CPU 占用：总百分比 + 每核（psutil 已装；没装就返回空，页面不显示这块）。"""
+    if time.time() - _CPU_CACHE['t'] < 1.0: return _CPU_CACHE['v']
+    try:
+        import psutil
+        per = psutil.cpu_percent(interval=None, percpu=True)
+        out = {'total': round(sum(per) / max(1, len(per)), 1), 'per': [round(x, 0) for x in per], 'n': len(per),
+               'load1': round(os.getloadavg()[0], 2) if hasattr(os, 'getloadavg') else None}
+    except Exception:
+        out = {}
+    _CPU_CACHE.update(t=time.time(), v=out)
+    return out
+
+
 _GPU_CACHE = {'t': 0.0, 'v': []}
 
 
@@ -203,7 +220,7 @@ def status():
     pb = jload(P(RUNS, 'policy_bench.json'))
     if pb: pb = {k: {kk: v.get(kk) for kk in ('n', 'ok', 'reached', 'collisionFrames', 'brakeRate', 'recoveryRate', 'livelock', 'inferMsP99', 'safetyMsP99')}
                  for k, v in pb.items() if isinstance(v, dict) and 'n' in v}
-    return {'now': time.time(), 'gpu': gpu(),
+    return {'now': time.time(), 'gpu': gpu(), 'cpu': cpu(),
             'vram_budget_gb': float(os.environ.get('VRAM_BUDGET_GB', 20)),      # 本机桌面常驻占 4–5 GB，给训练的预算 19–20 GB
             'pipeline': pl, 'check': CHECK.get(), 'lock': lock_info(),   # 2026-10-18 第八轮修：上一版这三项被行尾注释吞掉，网页步骤条/锁状态拿不到
             'stage_meta': [{'id': k, 'name': n, 'est_h': h, 'timeout_h': pstate.TIMEOUT_H[k]} for k, n, h in pstate.STAGES],