feat(deploy): implement lib_ownership, registry merge, and deployment test suite

.mam.env.example

@@ -39,6 +39,15 @@
 #default: mam-<workspace-slug>
 # HERDR_SESSION_NAME=mam-multi-agent-mux
 
+# Legacy Herdr server identifier (DEPRECATED: use HERDR_SESSION_NAME instead).
+# Written into .mam.env by install.sh as an active default.
+#default: multi-agent-mux
+# HERDR_SERVER_NAME=multi-agent-mux
+
+# Path to the Herdr Unix domain socket.
+#default: $HOME/.config/herdr/herdr.sock
+# HERDR_SOCKET_PATH=$HOME/.config/herdr/herdr.sock
+
 # ===========================================================================
 # delegate-job / MQTT broker
 # ===========================================================================
@@ -47,6 +56,18 @@
 #default: broker.hivemq.com
 # MQTT_BROKER=broker.hivemq.com
 
+# MQTT broker port. Written into .mam.env by install.sh as an active default.
+#default: 1883
+# MQTT_PORT=1883
+
+# MQTT reconnect retry interval (seconds).
+#default: 2
+# MQTT_RETRY_INTERVAL=2
+
+# MQTT maximum reconnect retries.
+#default: 5
+# MQTT_MAX_RETRIES=5
+
 # Broker auth username. Leave unset for anonymous brokers.
 #default: (unset → anonymous)
 # MQTT_USERNAME=replace_me
@@ -59,6 +80,22 @@
 #default: hermes
 # MQTT_CLIENT_ID_PREFIX=hermes
 
+# Log level for MAM runtime components (DEBUG, INFO, WARN, ERROR).
+#default: INFO
+# MAM_LOG_LEVEL=INFO
+
+# Retention period (days) for delegate-job event logs.
+#default: 7
+# MAM_EVENT_RETENTION_DAYS=7
+
+# Garbage collection threshold (minutes) for old message buffer logs.
+#default: 60
+# MAM_BUFFER_GC_MINUTES=60
+
+# Marker string used by loop delegation guard (O-3).
+#default: (built-in guard marker)
+# MAM_LOOP_GUARD_MARKER=mam_loop_active
+
 # Path to a CA bundle for TLS broker verification (set MQTT_TLS=1 to use TLS).
 #default: (unset → no custom CA)
 # MQTT_CA_CERTS=/path/to/ca.crt