Phase 2: caddy_manager — Caddyfile generation, health monitor, DNS-01 support

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

api/managers.py

@@ -28,6 +28,7 @@ from cell_link_manager import CellLinkManager
 import firewall_manager
 from auth_manager import AuthManager
 from setup_manager import SetupManager
+from caddy_manager import CaddyManager
 
 DATA_DIR   = os.environ.get('DATA_DIR',   '/app/data')
 CONFIG_DIR = os.environ.get('CONFIG_DIR', '/app/config')
@@ -55,6 +56,7 @@ cell_link_manager  = CellLinkManager(
 )
 auth_manager = AuthManager(data_dir=DATA_DIR, config_dir=CONFIG_DIR)
 setup_manager = SetupManager(config_manager=config_manager, auth_manager=auth_manager)
+caddy_manager = CaddyManager(config_manager=config_manager, data_dir=DATA_DIR, config_dir=CONFIG_DIR)
 
 # Service logger configuration
 _service_log_configs = {
@@ -88,7 +90,7 @@ __all__ = [
     'network_manager', 'wireguard_manager', 'peer_registry',
     'email_manager', 'calendar_manager', 'file_manager',
     'routing_manager', 'vault_manager', 'container_manager',
-    'cell_link_manager', 'auth_manager', 'setup_manager',
+    'cell_link_manager', 'auth_manager', 'setup_manager', 'caddy_manager',
     'firewall_manager', 'EventType',
     'DATA_DIR', 'CONFIG_DIR',
 ]