Initial commit with translated description

SKILL.md

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+---
+name: healthcheck
+description: "使用JSON文件存储跟踪水和睡眠。"
+version: 1.0.2
+tags: health, tracking
+---
+
+# Health Tracker
+
+Simple tracking for water intake and sleep using JSON file.
+
+## Data Format
+
+File: `{baseDir}/health-data.json`
+
+```json
+{
+  "water": [{"time": "ISO8601", "cups": 2}],
+  "sleep": [{"time": "ISO8601", "action": "sleep|wake"}]
+}
+```
+
+## Add Water Record
+
+When user says "uống X cốc" or "uống nước X cốc":
+
+```bash
+node -e "const fs=require('fs');const f='{baseDir}/health-data.json';let d={water:[],sleep:[]};try{d=JSON.parse(fs.readFileSync(f))}catch(e){}d.water.push({time:new Date().toISOString(),cups:CUPS});fs.writeFileSync(f,JSON.stringify(d));console.log('Da ghi: '+CUPS+' coc')"
+```
+
+Replace `CUPS` with number from user input.
+
+## Add Sleep Record
+
+When user says "đi ngủ":
+
+```bash
+node -e "const fs=require('fs');const f='{baseDir}/health-data.json';let d={water:[],sleep:[]};try{d=JSON.parse(fs.readFileSync(f))}catch(e){}d.sleep.push({time:new Date().toISOString(),action:'sleep'});fs.writeFileSync(f,JSON.stringify(d));console.log('Da ghi: di ngu')"
+```
+
+## Add Wake Record
+
+When user says "thức dậy" or "dậy rồi":
+
+```bash
+node -e "const fs=require('fs');const f='{baseDir}/health-data.json';let d={water:[],sleep:[]};try{d=JSON.parse(fs.readFileSync(f))}catch(e){}const last=d.sleep.filter(s=>s.action==='sleep').pop();d.sleep.push({time:new Date().toISOString(),action:'wake'});fs.writeFileSync(f,JSON.stringify(d));if(last){const h=((new Date()-new Date(last.time))/3600000).toFixed(1);console.log('Da ngu: '+h+' gio')}else{console.log('Da ghi: thuc day')}"
+```
+
+## View Stats
+
+When user says "thống kê" or "xem thống kê":
+
+```bash
+node -e "const fs=require('fs');const f='{baseDir}/health-data.json';let d={water:[],sleep:[]};try{d=JSON.parse(fs.readFileSync(f))}catch(e){}console.log('Water:',d.water.length,'records');console.log('Sleep:',d.sleep.length,'records');const today=d.water.filter(w=>new Date(w.time).toDateString()===new Date().toDateString());console.log('Today:',today.reduce((s,w)=>s+w.cups,0),'cups')"
+```
+
+## Update Record
+
+To update last water entry:
+
+```bash
+node -e "const fs=require('fs');const f='{baseDir}/health-data.json';let d=JSON.parse(fs.readFileSync(f));d.water[d.water.length-1].cups=NEW_CUPS;fs.writeFileSync(f,JSON.stringify(d));console.log('Updated')"
+```
+
+## Delete Record
+
+To delete last water entry:
+
+```bash
+node -e "const fs=require('fs');const f='{baseDir}/health-data.json';let d=JSON.parse(fs.readFileSync(f));d.water.pop();fs.writeFileSync(f,JSON.stringify(d));console.log('Deleted')"
+```
+
+## Notes
+
+- Uses Node.js built-in modules only
+- File auto-created if missing
+- All timestamps in ISO8601 format