feat: Add LTI launch, lesson preview, course progress, bookmarks, and asset management features.

services/lms-service/migrations/20260224000000_add_bookmarks.sql

@@ -0,0 +1,15 @@
+-- Create user_bookmarks table for students to save lessons
+CREATE TABLE IF NOT EXISTS user_bookmarks (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    organization_id UUID NOT NULL,
+    user_id UUID NOT NULL,
+    course_id UUID NOT NULL,
+    lesson_id UUID NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    UNIQUE(user_id, lesson_id)
+);
+
+-- Index for efficient querying
+CREATE INDEX IF NOT EXISTS idx_user_bookmarks_user_id ON user_bookmarks(user_id);
+CREATE INDEX IF NOT EXISTS idx_user_bookmarks_course_id ON user_bookmarks(course_id);
+CREATE INDEX IF NOT EXISTS idx_user_bookmarks_org_id ON user_bookmarks(organization_id);