Fix issues

dist/ai/gemini.js

@@ -0,0 +1,62 @@
+import { GoogleGenerativeAI } from '@google/generative-ai';
+import { env } from '../config/env.js';
+import { withConn } from '../db/pool.js';
+let client = null;
+export function getGemini() {
+    if (!client) {
+        client = new GoogleGenerativeAI(env.geminiApiKey);
+    }
+    return client;
+}
+export async function generateQOTD() {
+    const model = getGemini().getGenerativeModel({ model: 'gemini-2.5-flash' });
+    const prompt = 'Generate a single, engaging, family-friendly “Question of the Day” suitable for a Discord community. Keep it under 25 words. No preface or explanation, only the question.';
+    const res = await model.generateContent(prompt);
+    const text = res.response.text().trim();
+    return text.replace(/^"|"$/g, '');
+}
+export async function chatAnswer(question) {
+    const model = getGemini().getGenerativeModel({ model: 'gemini-2.5-flash' });
+    const res = await model.generateContent(`Answer concisely and helpfully for a Discord chat:\n${question}`);
+    return res.response.text().trim();
+}
+export async function loadUserMemory(guildId, userId) {
+    const rows = await withConn((conn) => conn.query('SELECT messages, updated_at FROM user_ai_memory WHERE guild_id = ? AND user_id = ? LIMIT 1', [guildId, userId]));
+    const raw = rows[0]?.messages;
+    const updatedAt = rows[0]?.updated_at;
+    if (!raw)
+        return [];
+    // Auto-reset if inactive for 3 days
+    if (updatedAt && Date.now() - new Date(updatedAt).getTime() > 3 * 24 * 60 * 60 * 1000) {
+        await withConn((conn) => conn.query('DELETE FROM user_ai_memory WHERE guild_id = ? AND user_id = ?', [guildId, userId]));
+        return [];
+    }
+    try {
+        return Array.isArray(raw) ? raw : JSON.parse(raw);
+    }
+    catch {
+        return [];
+    }
+}
+export async function saveUserMemory(guildId, userId, history) {
+    const json = JSON.stringify(history.slice(-20));
+    await withConn((conn) => conn.query('INSERT INTO user_ai_memory (guild_id, user_id, messages) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE messages = VALUES(messages)', [guildId, userId, json]));
+}
+export async function chatAnswerWithMemory(guildId, userId, question) {
+    const history = await loadUserMemory(guildId, userId);
+    const model = getGemini().getGenerativeModel({ model: 'gemini-2.5-flash' });
+    const prompt = [
+        { role: 'user', content: 'You are a helpful Discord assistant. Be concise.' },
+        ...history,
+        { role: 'user', content: question }
+    ];
+    const res = await model.generateContent(prompt.map(m => `${m.role === 'user' ? 'User' : 'Assistant'}: ${m.content}`).join('\n'));
+    const answer = res.response.text().trim();
+    const next = [
+        ...history,
+        { role: 'user', content: question },
+        { role: 'assistant', content: answer }
+    ];
+    await saveUserMemory(guildId, userId, next);
+    return answer;
+}