feat: 新增运动节拍训练工具套件与子工具页面

新增运动节拍RepClock全套小程序页面、后端API与数据库服务，新增subhub子工具汇总页面，优化全局主页样式与配置，为web静态资源添加版本缓存参数，补充配套调试脚本

dev_test_scripts/debug/debug_clear_lock_now.js

@@ -0,0 +1,25 @@
+const fs = require('fs')
+const path = require('path')
+process.chdir('d:/Trae_Files/TRAE-Toolbox')
+
+const db = require(path.join(process.cwd(), 'src/server/mp_rep_clock/db'))
+const locks = require(path.join(process.cwd(), 'src/server/mp_rep_clock/locks.js'))
+
+console.log('=== 锁表当前值 ===')
+console.log(JSON.stringify(locks.getLockState(), null, 2))
+
+console.log('\n=== rc_sessions status=running 行数 ===')
+const cnt = db.getDb().prepare(`SELECT COUNT(*) as c FROM rc_sessions WHERE status='running' AND deleted=0`).get()
+console.log('running cnt=', cnt.c)
+const rows = db.getDb().prepare(`SELECT id, status, card_id, created_at, updated_at FROM rc_sessions WHERE status='running' AND deleted=0 ORDER BY datetime(created_at) DESC LIMIT 5`).all()
+rows.forEach(r => console.log('  -', JSON.stringify(r)))
+
+console.log('\n=== 立即操作：清锁 + 所有 running 转 abandoned ===')
+locks.resetRunningLock()
+const nowIso = () => new Date().toISOString()
+db.getDb().prepare(`UPDATE rc_sessions SET status='abandoned', ended_at=?, updated_at=?, manual_stopped=1 WHERE status='running' AND deleted=0`).run(nowIso(), nowIso())
+
+console.log('\n=== 操作后复检 ===')
+console.log('锁表:', JSON.stringify(locks.getLockState(), null, 2))
+const cnt2 = db.getDb().prepare(`SELECT COUNT(*) as c FROM rc_sessions WHERE status='running' AND deleted=0`).get()
+console.log('running cnt=', cnt2.c, '（应为 0）')