diff --git a/server/db/database.js b/server/db/database.js
index 56f5218..11f70e3 100644
--- a/server/db/database.js
+++ b/server/db/database.js
@@ -54,6 +54,10 @@ const migrations = [
   "ALTER TABLE plans ADD COLUMN stripe_price_yearly TEXT",
   // Last login tracking
   "ALTER TABLE users ADD COLUMN last_login INTEGER",
+  // Phase 2: every device gets a playlist, schedules can override with a playlist
+  "ALTER TABLE devices ADD COLUMN playlist_id TEXT REFERENCES playlists(id) ON DELETE SET NULL",
+  "ALTER TABLE schedules ADD COLUMN playlist_id TEXT REFERENCES playlists(id) ON DELETE SET NULL",
+  "ALTER TABLE playlists ADD COLUMN is_auto_generated INTEGER NOT NULL DEFAULT 0",
 ];
 for (const sql of migrations) {
   try { db.exec(sql); } catch (e) { /* already exists */ }
diff --git a/server/db/schema.sql b/server/db/schema.sql
index 786e077..229a987 100644
--- a/server/db/schema.sql
+++ b/server/db/schema.sql
@@ -53,6 +53,7 @@ CREATE TABLE IF NOT EXISTS devices (
     app_version     TEXT,
     screen_width    INTEGER,
     screen_height   INTEGER,
+    playlist_id     TEXT REFERENCES playlists(id) ON DELETE SET NULL,
     created_at      INTEGER NOT NULL DEFAULT (strftime('%s','now')),
     updated_at      INTEGER NOT NULL DEFAULT (strftime('%s','now'))
 );
@@ -199,6 +200,7 @@ CREATE TABLE IF NOT EXISTS schedules (
     content_id      TEXT REFERENCES content(id) ON DELETE CASCADE,
     widget_id       TEXT REFERENCES widgets(id) ON DELETE CASCADE,
     layout_id       TEXT REFERENCES layouts(id) ON DELETE SET NULL,
+    playlist_id     TEXT REFERENCES playlists(id) ON DELETE SET NULL,
     title           TEXT NOT NULL DEFAULT '',
     start_time      TEXT NOT NULL,
     end_time        TEXT NOT NULL,
@@ -318,6 +320,7 @@ CREATE TABLE IF NOT EXISTS playlists (
     user_id         TEXT NOT NULL REFERENCES users(id),
     name            TEXT NOT NULL,
     description     TEXT DEFAULT '',
+    is_auto_generated INTEGER NOT NULL DEFAULT 0,
     created_at      INTEGER NOT NULL DEFAULT (strftime('%s','now')),
     updated_at      INTEGER NOT NULL DEFAULT (strftime('%s','now'))
 );