Initial commit: Site Builder with PHP API backend

Visual drag-and-drop website builder using GrapesJS with:
- Multi-page editor with live preview
- File-based asset storage via PHP API (no localStorage base64)
- Template library, Docker support, and Playwright test suite

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

deploy.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+# Deploy site to wildcard.streamers.channel via SFTP
+# Usage: ./deploy.sh [path-to-export-dir]
+#
+# The export directory should contain:
+#   index.html, about.html, etc.
+#   assets/css/styles.css
+#   assets/images/...
+#   assets/videos/...
+#   assets/js/...
+
+set -e
+
+SFTP_HOST="whp01.cloud-hosting.io"
+SFTP_USER="shadowdao"
+REMOTE_DIR="wildcard.streamers.channel"
+EXPORT_DIR="${1:-.}"
+
+echo "🚀 Deploying site to ${REMOTE_DIR}..."
+echo "   Host: ${SFTP_USER}@${SFTP_HOST}"
+echo "   Source: ${EXPORT_DIR}"
+echo ""
+
+# Check if export directory exists
+if [ ! -d "$EXPORT_DIR" ]; then
+    echo "❌ Export directory not found: ${EXPORT_DIR}"
+    echo "   Export your site from the Site Builder first (Deploy > Export ZIP)"
+    exit 1
+fi
+
+# Count files
+HTML_COUNT=$(find "$EXPORT_DIR" -maxdepth 1 -name "*.html" | wc -l)
+ASSET_COUNT=$(find "$EXPORT_DIR/assets" -type f 2>/dev/null | wc -l)
+echo "   HTML files: ${HTML_COUNT}"
+echo "   Asset files: ${ASSET_COUNT}"
+echo ""
+
+# Build SFTP batch commands
+BATCH_FILE=$(mktemp)
+cat > "$BATCH_FILE" <<EOF
+cd ${REMOTE_DIR}
+-mkdir assets
+-mkdir assets/css
+-mkdir assets/js
+-mkdir assets/images
+-mkdir assets/videos
+EOF
+
+# Add HTML files
+for f in "$EXPORT_DIR"/*.html; do
+    [ -f "$f" ] && echo "put \"$f\" \"$(basename "$f")\"" >> "$BATCH_FILE"
+done
+
+# Add asset files
+if [ -d "$EXPORT_DIR/assets" ]; then
+    find "$EXPORT_DIR/assets" -type f | while read -r f; do
+        rel="${f#$EXPORT_DIR/}"
+        echo "put \"$f\" \"$rel\"" >> "$BATCH_FILE"
+    done
+fi
+
+echo "bye" >> "$BATCH_FILE"
+
+echo "📦 SFTP batch file created. Uploading..."
+echo ""
+
+# Execute SFTP
+sftp -b "$BATCH_FILE" "${SFTP_USER}@${SFTP_HOST}"
+
+# Cleanup
+rm -f "$BATCH_FILE"
+
+echo ""
+echo "✅ Deployment complete!"
+echo "   Visit: https://abc.streamers.channel/"
+echo ""