feat(gateway): persistent voice auto-reconnect — rejoin same channel after restart/reboot or unexpected drop

services/discord-gateway/drizzle/migrations/0020_add_voice_auto_reconnect.sql

@@ -0,0 +1,19 @@
+-- Voice auto-reconnect: persist desired voice state per guild.
+-- The gateway rejoins the same channel after restart/reboot and after an
+-- unexpected voice drop (kick / server move / voice server restart).
+-- Idempotent: skips if the table already exists.
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM information_schema.tables
+    WHERE table_name = 'voice_auto_reconnect'
+  ) THEN
+    CREATE TABLE "voice_auto_reconnect" (
+      "guild_id" text PRIMARY KEY NOT NULL,
+      "channel_id" text NOT NULL,
+      "channel_name" text,
+      "connected_at" bigint NOT NULL,
+      "updated_at" bigint NOT NULL
+    );
+  END IF;
+END $$;

services/discord-gateway/drizzle/migrations/meta/_journal.json

@@ -141,6 +141,13 @@
       "when": 1787830000000,
       "tag": "0019_rename_server_name_to_server_nick",
       "breakpoints": true
+    },
+    {
+      "idx": 20,
+      "version": "7",
+      "when": 1787860000000,
+      "tag": "0020_add_voice_auto_reconnect",
+      "breakpoints": true
     }
   ]
 }