Enhance bootcamp with rich text editor, curriculum management, and video toggle

Phase 1: Rich Text Editor with Code Syntax Highlighting
- Add TipTap CodeBlock extension with lowlight for syntax highlighting
- Support multiple languages (JavaScript, TypeScript, Python, Java, C++, HTML, CSS, JSON)
- Add copy-to-clipboard button on code blocks
- Add line numbers display with CSS
- Replace textarea with RichTextEditor in CurriculumEditor
- Add DOMPurify sanitization in Bootcamp display
- Add dark theme syntax highlighting styles

Phase 2: Admin Curriculum Management Page
- Create dedicated ProductCurriculum page at /admin/products/:id/curriculum
- Three-column layout: Modules (3) | Lessons (5) | Editor (4)
- Full-page UX with drag-and-drop reordering
- Add "Manage Curriculum" button for bootcamp products in AdminProducts
- Breadcrumb navigation back to products

Phase 3: Product-Level Video Source Toggle
- Add youtube_url and embed_code columns to bootcamp_lessons table
- Add video_source and video_source_config columns to products table
- Update ProductCurriculum with separate YouTube URL and Embed Code fields
- Create smart VideoPlayer component in Bootcamp.tsx
- Support YouTube ↔ Embed switching with smart fallback
- Show "Konten tidak tersedia" warning when no video configured
- Maintain backward compatibility with existing video_url field

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

supabase/migrations/20241230_video_source_columns.sql

@@ -0,0 +1,41 @@
+-- ============================================
+-- Add Video Source Columns for YouTube/Embed Toggle
+-- ============================================
+-- This migration adds support for dual video sources (YouTube and Embed)
+-- at the product level, allowing quick switching between sources
+
+-- Add video source columns to bootcamp_lessons table
+ALTER TABLE bootcamp_lessons
+  ADD COLUMN IF NOT EXISTS youtube_url TEXT,
+  ADD COLUMN IF NOT EXISTS embed_code TEXT;
+
+-- Migrate existing video_url to youtube_url
+UPDATE bootcamp_lessons
+SET youtube_url = video_url
+WHERE video_url IS NOT NULL
+  AND youtube_url IS NULL;
+
+-- Note: Keep old video_url column for backward compatibility
+-- Can drop after verification if desired
+
+-- Add video_source column to products table
+ALTER TABLE products
+  ADD COLUMN IF NOT EXISTS video_source TEXT DEFAULT 'youtube',
+  ADD COLUMN IF NOT EXISTS video_source_config JSONB DEFAULT '{}';
+
+-- Add constraint to ensure valid sources
+ALTER TABLE products
+  DROP CONSTRAINT IF EXISTS products_video_source_check;
+
+ALTER TABLE products
+  ADD CONSTRAINT products_video_source_check
+  CHECK (video_source IN ('youtube', 'embed'));
+
+-- Create index for faster queries
+CREATE INDEX IF NOT EXISTS idx_products_video_source ON products(video_source);
+
+-- Add comments for documentation
+COMMENT ON COLUMN products.video_source IS 'Active video source for bootcamp lessons: youtube or embed';
+COMMENT ON COLUMN products.video_source_config IS 'Configuration metadata for video source settings';
+COMMENT ON COLUMN bootcamp_lessons.youtube_url IS 'YouTube video URL for the lesson';
+COMMENT ON COLUMN bootcamp_lessons.embed_code IS 'Custom embed code (Adilo, Vimeo, iframe) for the lesson';