Add comprehensive call control features and web phone transfer capabilities

## New Call Control Features
- Call hold/unhold with music playback
- Call transfer with agent selection dialog
- Call requeue to different queues
- Call recording with start/stop controls
- Real-time recording status tracking

## Enhanced Transfer System
- Transfer to agents with cell phones (direct)
- Transfer to web phone agents via personal queues
- Automatic queue creation for each user
- Real-time agent availability status
- Visual agent selection with status indicators (📱 phone, 💻 web)

## Call Recordings Management
- New database table for call recordings
- Recordings tab in voicemail interface
- Play/download recordings functionality
- Admin-only delete capability
- Integration with Twilio recording webhooks

## Agent Queue System
- Personal queues (agent_[user_id]) for web phone transfers
- Automatic polling for incoming transfers
- Transfer notifications with browser alerts
- Agent status tracking (available/busy/offline)

## Technical Enhancements
- 8 new AJAX endpoints for call controls
- Recording status webhooks
- Enhanced transfer dialogs with agent selection
- Improved error handling and user feedback
- Mobile-responsive call control interface

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

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

CLAUDE.md

@@ -6,7 +6,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 **THIS PLUGIN RUNS ON A REMOTE SERVER IN A DOCKER CONTAINER - NOT LOCALLY**
 - **Production Server Path**: `/home/shadowdao/public_html/wp-content/plugins/twilio-wp-plugin/`
-- **Website URL**: `https://www.streamers.channel/`
+- **Website URL**: `https://phone.cloud-hosting.io/`
 - **Development Path**: `/home/jknapp/code/twilio-wp-plugin/`
 - **Deployment Method**: Files synced via rsync from development to Docker container
 
@@ -38,39 +38,10 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 - **Test Agent Number**: `+19095737372`
 - **Fake Test Number**: `+19512345678` (DO NOT SEND SMS TO THIS)
 
-## 🧪 Testing Procedures
-
-### ✅ Working: Direct Twilio Test
-```bash
-# SSH into server
-cd /home/shadowdao/public_html/wp-content/plugins/twilio-wp-plugin/
-php test-twilio-direct.php send
-```
-**Result**: SMS sends successfully via Twilio SDK
-
-### ❌ Not Working: WordPress Admin SMS
-- Admin pages load and show success messages
-- But SMS doesn't actually send
-- No PHP errors logged
-- No Twilio API calls recorded
-
 ### Webhook URLs:
 - **SMS**: `https://www.streamers.channel/wp-json/twilio-webhook/v1/sms`
 - **Voice**: `https://www.streamers.channel/wp-json/twilio-webhook/v1/voice`
 
-## Known Issues & Solutions
-
-### Issue: SMS not sending from WordPress admin
-**Symptoms**:
-- Direct PHP test works
-- WordPress admin shows success but no SMS sent
-- No errors in logs
-
-**Possible Causes**:
-1. WordPress execution context differs from CLI
-2. Silent failures in WordPress AJAX/admin context
-3. Plugin initialization issues in admin context
-
 ## Project Overview
 
 This is a comprehensive WordPress plugin for Twilio voice and SMS integration, featuring:
@@ -312,4 +283,5 @@ composer require twilio/sdk
 - **Phone Validation**: Auto-formats US numbers to +1 format
 - **Duplicate Prevention**: Checks phone numbers across all users
 
-This plugin provides a complete call center solution with professional-grade features suitable for business use.
+This plugin provides a complete call center solution with professional-grade features suitable for business use.
+- our production url is https://phone.cloud-hosting.io