feat: Reaction role menus (#162)

migrations/004_reaction_roles.cjs

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+'use strict';
+
+/**
+ * Migration: Reaction Role Menus
+ *
+ * Creates tables to persist reaction-role mappings across bot restarts.
+ *
+ * - reaction_role_menus: One row per "reaction role" message posted in Discord
+ * - reaction_role_entries: One row per emoji→role mapping attached to a menu
+ */
+
+/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
+exports.up = (pgm) => {
+  // ── reaction_role_menus ────────────────────────────────────────────
+  pgm.sql(`
+    CREATE TABLE IF NOT EXISTS reaction_role_menus (
+      id SERIAL PRIMARY KEY,
+      guild_id TEXT NOT NULL,
+      channel_id TEXT NOT NULL,
+      message_id TEXT NOT NULL,
+      title TEXT NOT NULL DEFAULT 'React to get a role',
+      description TEXT,
+      created_at TIMESTAMPTZ DEFAULT NOW(),
+      UNIQUE (guild_id, message_id)
+    )
+  `);
+  pgm.sql(
+    'CREATE INDEX IF NOT EXISTS idx_reaction_role_menus_guild ON reaction_role_menus(guild_id)',
+  );
+  pgm.sql(
+    'CREATE UNIQUE INDEX IF NOT EXISTS idx_reaction_role_menus_message ON reaction_role_menus(message_id)',
+  );
+
+  // ── reaction_role_entries ──────────────────────────────────────────
+  pgm.sql(`
+    CREATE TABLE IF NOT EXISTS reaction_role_entries (
+      id SERIAL PRIMARY KEY,
+      menu_id INTEGER NOT NULL REFERENCES reaction_role_menus(id) ON DELETE CASCADE,
+      emoji TEXT NOT NULL,
+      role_id TEXT NOT NULL,
+      created_at TIMESTAMPTZ DEFAULT NOW(),
+      UNIQUE (menu_id, emoji)
+    )
+  `);
+  pgm.sql(
+    'CREATE INDEX IF NOT EXISTS idx_reaction_role_entries_menu ON reaction_role_entries(menu_id)',
+  );
+};
+
+/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
+exports.down = (pgm) => {
+  pgm.sql('DROP TABLE IF EXISTS reaction_role_entries');
+  pgm.sql('DROP TABLE IF EXISTS reaction_role_menus');
+};

node_modules

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+/home/bill/volvox-bot/node_modules