Add templates, tests, and miscellaneous project files

Includes new page templates (fitness-gym, nonprofit, online-course,
photography-studio, real-estate, startup-company, travel-blog,
wedding-invitation) with thumbnail SVGs, test specs, documentation
files, and minor updates to index.html, router.php, and playwright config.

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

test-anchor-manual.sh

@@ -0,0 +1,104 @@
+#!/bin/bash
+# Manual Test Script for Anchor Visibility
+# Run this script and follow the on-screen instructions
+
+set -e
+
+echo "======================================"
+echo "Anchor Visibility Manual Test"
+echo "======================================"
+echo ""
+
+# Check if server is running
+if ! curl -s http://localhost:8081 > /dev/null; then
+    echo "❌ ERROR: Site builder not running on http://localhost:8081"
+    echo "Start it with: cd /home/jknapp/code/site-builder && docker compose up -d"
+    exit 1
+fi
+
+echo "✅ Server is running on http://localhost:8081"
+echo ""
+echo "STEP 1: Test Editor Visibility"
+echo "------------------------------"
+echo "1. Open http://localhost:8081 in your browser"
+echo "2. Find 'Anchor Point' block in the left panel"
+echo "3. Click it to add to the canvas"
+echo "4. You should see a box with:"
+echo "   - Dashed gray border"
+echo "   - Light blue background"
+echo "   - ⚓ anchor icon"
+echo "   - Editable text field: 'anchor-1'"
+echo ""
+echo "5. Click on the text field and change the name"
+echo "6. Verify the anchor's ID updates automatically"
+echo ""
+read -p "Press Enter when you've verified editor visibility..."
+
+echo ""
+echo "STEP 2: Test Preview Mode"
+echo "------------------------"
+echo "1. Click the 'Preview' button in the top toolbar"
+echo "2. A new window/tab should open"
+echo "3. The anchor point should be INVISIBLE"
+echo "4. (Optional) Open DevTools and verify:"
+echo "   - Element exists in DOM: <div data-anchor=\"true\" class=\"editor-anchor\">"
+echo "   - But has style: display: none"
+echo ""
+read -p "Press Enter when you've verified preview mode..."
+
+echo ""
+echo "STEP 3: Test Export"
+echo "------------------"
+echo "We'll export to ZIP and check the HTML"
+echo ""
+
+# Create temp directory
+TEMP_DIR=$(mktemp -d)
+echo "Using temp directory: $TEMP_DIR"
+
+echo "1. Click 'Export' button in the editor"
+echo "2. Click 'Export ZIP'"
+echo "3. Save the file to: $TEMP_DIR/site.zip"
+echo ""
+read -p "Press Enter when you've saved the ZIP file..."
+
+if [ ! -f "$TEMP_DIR/site.zip" ]; then
+    echo "⚠️  ZIP file not found at $TEMP_DIR/site.zip"
+    echo "Skipping export verification..."
+else
+    echo "✅ ZIP file found"
+    
+    # Extract and check
+    cd "$TEMP_DIR"
+    unzip -q site.zip
+    
+    echo ""
+    echo "Checking index.html for anchor elements..."
+    
+    if grep -q "data-anchor=\"true\"" index.html; then
+        echo "❌ FAIL: Found data-anchor=\"true\" in exported HTML"
+        exit 1
+    fi
+    
+    if grep -q "editor-anchor" index.html; then
+        echo "❌ FAIL: Found 'editor-anchor' in exported HTML"
+        exit 1
+    fi
+    
+    echo "✅ PASS: No anchor elements found in exported HTML"
+    
+    # Cleanup
+    cd -
+    rm -rf "$TEMP_DIR"
+fi
+
+echo ""
+echo "======================================"
+echo "✅ All manual tests passed!"
+echo "======================================"
+echo ""
+echo "Summary:"
+echo "  • Anchors visible in editor (with ⚓ icon)"
+echo "  • Anchors hidden in preview mode"
+echo "  • Anchors completely removed from export"
+echo ""