feat: Implement AI-generated Role Playing and Hotspot interactive content blocks with UI and service integration.

services/lms-service/migrations/20260309000001_add_block_id_to_chat_sessions.sql

@@ -0,0 +1,3 @@
+-- Migration: Add block_id to chat_sessions to link sessions to specific Role-Playing blocks
+ALTER TABLE chat_sessions ADD COLUMN block_id UUID;
+CREATE INDEX idx_chat_sessions_block_id ON chat_sessions(block_id);

services/lms-service/migrations/20260309000002_sync_content_blocks.sql

@@ -0,0 +1,2 @@
+-- Migration: Sync content_blocks to lessons table (LMS)
+ALTER TABLE lessons ADD COLUMN IF NOT EXISTS content_blocks JSONB DEFAULT NULL;