Much base work started

db/migrate/20251029113957_create_playback_sessions.rb

@@ -0,0 +1,15 @@
+class CreatePlaybackSessions < ActiveRecord::Migration[8.1]
+  def change
+    create_table :playback_sessions do |t|
+      t.references :video, null: false, foreign_key: true
+      t.references :user, null: false, foreign_key: true
+      t.float :position
+      t.float :duration_watched
+      t.datetime :last_watched_at
+      t.boolean :completed
+      t.integer :play_count
+
+      t.timestamps
+    end
+  end
+end