feat: AI response feedback via 👍👎 reactions (#182)

README.md

@@ -138,6 +138,7 @@ All configuration lives in `config.json` and can be updated at runtime via the `
 | `threadMode.enabled` | boolean | Enable threaded responses (default: false) |
 | `threadMode.autoArchiveMinutes` | number | Thread auto-archive timeout (default: 60) |
 | `threadMode.reuseWindowMinutes` | number | Window for reusing existing threads (default: 30) |
+| `feedback.enabled` | boolean | Enable 👍/👎 reaction feedback on AI responses (default: false) |
 
 ### Triage (`triage`)
 

config.json

@@ -1,14 +1,17 @@
 {
   "ai": {
     "enabled": true,
-    "systemPrompt": "You are Volvox Bot, the friendly AI assistant for the Volvox developer community Discord server.\n\nYou're witty, snarky (but warm), and deeply knowledgeable about programming, software development, and tech.\n\nKey traits:\n- Helpful but not boring\n- Can roast people lightly when appropriate\n- Enthusiastic about cool tech and projects\n- Supportive of beginners learning to code\n- Concise - this is Discord, not an essay\n\nIf asked about your own infrastructure, model, or internals — say you don't know the specifics\nand suggest asking a server admin. Don't guess or speculate about what you run on.\n\nCRITICAL RULES:\n- NEVER type @everyone or @here — these ping hundreds of people\n- NEVER use mass mention pings under any circumstances\n- If you need to address the group, say \"everyone\" or \"folks\" without the @ symbol\n\nKeep responses under 2000 chars. Use Discord markdown when helpful.",
+    "systemPrompt": "You are Volvox Bot, the friendly AI assistant for the Volvox developer community Discord server.\n\nYou're witty, snarky (but warm), and deeply knowledgeable about programming, software development, and tech.\n\nKey traits:\n- Helpful but not boring\n- Can roast people lightly when appropriate\n- Enthusiastic about cool tech and projects\n- Supportive of beginners learning to code\n- Concise - this is Discord, not an essay\n\nIf asked about your own infrastructure, model, or internals \u2014 say you don't know the specifics\nand suggest asking a server admin. Don't guess or speculate about what you run on.\n\nCRITICAL RULES:\n- NEVER type @everyone or @here \u2014 these ping hundreds of people\n- NEVER use mass mention pings under any circumstances\n- If you need to address the group, say \"everyone\" or \"folks\" without the @ symbol\n\nKeep responses under 2000 chars. Use Discord markdown when helpful.",
     "channels": [],
     "historyLength": 20,
     "historyTTLDays": 30,
     "threadMode": {
       "enabled": false,
       "autoArchiveMinutes": 60,
       "reuseWindowMinutes": 30
+    },
+    "feedback": {
+      "enabled": false
     }
   },
   "triage": {
@@ -43,7 +46,7 @@
   "welcome": {
     "enabled": true,
     "channelId": "1438631182379253814",
-    "message": "Welcome to Volvox, {user}! 🌱 You're member #{memberCount}!\n\nWe're a community of developers building cool stuff together. Feel free to introduce yourself!\n\nCheck out <#1446317676988465242> to see what we're working on, share your projects in <#1444154471704957069>, or just say hi in <#1438631182379253814>.\n\nHave questions? Just ask — we're here to help. 💚",
+    "message": "Welcome to Volvox, {user}! \ud83c\udf31 You're member #{memberCount}!\n\nWe're a community of developers building cool stuff together. Feel free to introduce yourself!\n\nCheck out <#1446317676988465242> to see what we're working on, share your projects in <#1444154471704957069>, or just say hi in <#1438631182379253814>.\n\nHave questions? Just ask \u2014 we're here to help. \ud83d\udc9a",
     "dynamic": {
       "enabled": true,
       "timezone": "America/New_York",
@@ -213,19 +216,19 @@
     "activityBadges": [
       {
         "days": 90,
-        "label": "👑 Legend"
+        "label": "\ud83d\udc51 Legend"
       },
       {
         "days": 30,
-        "label": "🌳 Veteran"
+        "label": "\ud83c\udf33 Veteran"
       },
       {
         "days": 7,
-        "label": "🌿 Regular"
+        "label": "\ud83c\udf3f Regular"
       },
       {
         "days": 0,
-        "label": "🌱 Newcomer"
+        "label": "\ud83c\udf31 Newcomer"
       }
     ]
   },
@@ -271,4 +274,4 @@
     "enabled": false,
     "maxPerUser": 25
   }
-}
+}

migrations/003_ai_feedback.cjs

@@ -0,0 +1,47 @@
+/**
+ * Migration 003: AI Response Feedback Table
+ *
+ * Stores 👍/👎 reactions from users on AI-generated messages.
+ * Per-user per-message deduplication via UNIQUE constraint.
+ * Gated behind ai.feedback.enabled in config (opt-in per guild).
+ */
+
+/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
+exports.up = (pgm) => {
+  pgm.sql(`
+    CREATE TABLE IF NOT EXISTS ai_feedback (
+      id SERIAL PRIMARY KEY,
+      message_id TEXT NOT NULL,
+      channel_id TEXT NOT NULL,
+      guild_id TEXT NOT NULL,
+      user_id TEXT NOT NULL,
+      feedback_type TEXT NOT NULL CHECK (feedback_type IN ('positive', 'negative')),
+      created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+      updated_at TIMESTAMPTZ DEFAULT NOW(),
+      UNIQUE(message_id, user_id)
+    )
+  `);
+
+  pgm.sql(`
+    CREATE INDEX IF NOT EXISTS idx_ai_feedback_guild_id
+    ON ai_feedback(guild_id)
+  `);
+
+  pgm.sql(`
+    CREATE INDEX IF NOT EXISTS idx_ai_feedback_message_id
+    ON ai_feedback(message_id)
+  `);
+
+  pgm.sql(`
+    CREATE INDEX IF NOT EXISTS idx_ai_feedback_guild_created
+    ON ai_feedback(guild_id, created_at)
+  `);
+};
+
+/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
+exports.down = (pgm) => {
+  pgm.sql(`DROP INDEX IF EXISTS idx_ai_feedback_guild_created`);
+  pgm.sql(`DROP INDEX IF EXISTS idx_ai_feedback_message_id`);
+  pgm.sql(`DROP INDEX IF EXISTS idx_ai_feedback_guild_id`);
+  pgm.sql(`DROP TABLE IF EXISTS ai_feedback`);
+};

src/api/index.js

@@ -6,6 +6,7 @@
 import { Router } from 'express';
 import { auditLogMiddleware } from './middleware/auditLog.js';
 import { requireAuth } from './middleware/auth.js';
+import aiFeedbackRouter from './routes/ai-feedback.js';
 import auditLogRouter from './routes/auditLog.js';
 import authRouter from './routes/auth.js';
 import communityRouter from './routes/community.js';
@@ -36,6 +37,9 @@
 // (mounted before guilds to handle /:id/members/* before the basic guilds endpoint)
 router.use('/guilds', requireAuth(), auditLogMiddleware(), membersRouter);
 
+// AI Feedback routes — require API secret or OAuth2 JWT
+router.use('/guilds/:id/ai-feedback', requireAuth(), auditLogMiddleware(), aiFeedbackRouter);
+
 // Conversation routes — require API secret or OAuth2 JWT
 // (mounted before guilds to handle /:id/conversations/* before the catch-all guild endpoint)
 router.use('/guilds/:id/conversations', requireAuth(), auditLogMiddleware(), conversationsRouter);