Add AI writing assistant plugin with local backend, brave search, and image generation support

- Implement local backend AI provider with Ollama integration
- Add Brave Search API integration for real-time search suggestions
- Add image generation manager with multiple AI providers
- Create hybrid provider system with local/cloud fallback
- Add comprehensive settings UI with provider management
- Implement Gutenberg sidebar with writing assistance controls
- Add SEO schema generation for AI-generated content
- Multiple provider support: OpenRouter, local backend, Codex

downloads/agentic-writer-local-backend/start-proxy.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+echo "🚀 Starting Agentic Writer Local Backend..."
+echo ""
+
+# Check dependencies
+if ! command -v node &> /dev/null; then
+    echo "❌ Node.js not found. Install from https://nodejs.org/"
+    exit 1
+fi
+
+if ! command -v claude &> /dev/null; then
+    echo "❌ Claude CLI not found. Install and configure first."
+    echo "   Check: https://claude.ai/code or https://z.ai"
+    exit 1
+fi
+
+# Auto-install express if needed
+if [ ! -d "node_modules" ]; then
+    echo "📦 Installing dependencies..."
+    npm install
+fi
+
+# Detect local IP
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    # macOS
+    LOCAL_IP=$(ipconfig getifaddr en0 2>/dev/null || ipconfig getifaddr en1 2>/dev/null || echo "127.0.0.1")
+elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
+    # Linux
+    LOCAL_IP=$(ip route get 1 | awk '{print $7;exit}' 2>/dev/null || echo "127.0.0.1")
+else
+    # Windows/other
+    LOCAL_IP="127.0.0.1"
+fi
+
+echo "✅ Dependencies OK"
+echo "✅ Claude CLI found: $(which claude)"
+echo ""
+echo "Starting proxy server..."
+echo ""
+
+# Start server in background
+nohup node claude-proxy.js > proxy.log 2>&1 &
+PID=$!
+echo $PID > proxy.pid
+
+# Wait for server to boot
+sleep 2
+
+# Test if running
+if kill -0 $PID 2>/dev/null; then
+    echo "═══════════════════════════════════════════════════"
+    echo "✅ Local Backend Running!"
+    echo "═══════════════════════════════════════════════════"
+    echo ""
+    echo "Your Configuration:"
+    echo "  Base URL: http://$LOCAL_IP:8080"
+    echo "  API Key:  dummy"
+    echo "  Model:    claude-local"
+    echo ""
+    echo "Next Steps:"
+    echo "  1. Open your WordPress Admin"
+    echo "  2. Go to Agentic Writer → Settings → Local Backend"
+    echo "  3. Paste the Base URL above"
+    echo "  4. Click 'Test Connection'"
+    echo ""
+    echo "Commands:"
+    echo "  Logs: tail -f proxy.log"
+    echo "  Stop: ./stop-proxy.sh"
+    echo "  Test: ./test-connection.sh"
+    echo "═══════════════════════════════════════════════════"
+else
+    echo "❌ Failed to start. Check proxy.log for errors."
+    cat proxy.log
+    rm -f proxy.pid
+    exit 1
+fi