life-todo

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state.js (831B)

      1 const fs = require('fs');
      2 const path = require('path');
      3 
      4 const STATE_DIR = path.join(__dirname, '..', 'data', 'repo', 'conversations');
      5 
      6 function filePath(userId) {
      7   return path.join(STATE_DIR, `${userId}.json`);
      8 }
      9 
     10 function load(userId) {
     11   const fp = filePath(userId);
     12   if (!fs.existsSync(fp)) return [];
     13   try {
     14     return JSON.parse(fs.readFileSync(fp, 'utf8'));
     15   } catch {
     16     return [];
     17   }
     18 }
     19 
     20 function save(userId, history) {
     21   fs.mkdirSync(STATE_DIR, { recursive: true });
     22   fs.writeFileSync(filePath(userId), JSON.stringify(history, null, 2), 'utf8');
     23 }
     24 
     25 // Appends a message and persists. Returns the full updated history.
     26 function append(userId, role, content) {
     27   const history = load(userId);
     28   history.push({ role, content });
     29   save(userId, history);
     30   return history;
     31 }
     32 
     33 module.exports = { load, save, append };