Implement close conversation functionality

This squashed commit includes all changes from the close-convo branch:
- Added close conversation endpoint and functionality
- Improved job queue management and UI
- Enhanced audio processing and transcription handling
- Updated speaker recognition integration
- Various bug fixes and improvements

Author: stuartalexander-nexus

.assets/plan.png

@@ -73,6 +73,3 @@ backends/charts/advanced-backend/env-configmap.yaml
 extras/openmemory-mcp/data/*
 .env.backup.*
 
-backends/advanced/nginx.conf
-backends/advanced/Caddyfile
-

.gitignore

@@ -12,7 +12,7 @@
 
 Friend-Lite uses a unified initialization system with clean separation of concerns:
 
-- **Configuration** (`wizard.py`) - Set up service configurations, API keys, and .env files
+- **Configuration** (`init.py`) - Set up service configurations, API keys, and .env files
 - **Service Management** (`services.py`) - Start, stop, and manage running services
 
 The root orchestrator handles service selection and delegates configuration to individual service scripts. In general, setup scripts only configure and do not start services automatically. Exceptions: `extras/asr-services` and `extras/openmemory-mcp` are startup scripts. This prevents unnecessary resource usage and gives you control over when services actually run.
@@ -22,7 +22,7 @@ The root orchestrator handles service selection and delegates configuration to i
 ## Architecture
 
 ### Root Orchestrator
-- **Location**: `/wizard.py`
+- **Location**: `/init.py`
 - **Purpose**: Service selection and delegation only
 - **Does NOT**: Handle service-specific configuration or duplicate setup logic
 
@@ -39,7 +39,7 @@ Set up multiple services together with automatic URL coordination:
 
 ```bash
 # From project root
-uv run --with-requirements setup-requirements.txt python wizard.py
+uv run --with-requirements setup-requirements.txt python init.py
 ```
 
 The orchestrator will: