feat: enforce MCP restart class permissions (#663)

webui/sanctioned_restart.py

@@ -38,6 +38,7 @@ from dataclasses import asdict, dataclass
 from typing import Any
 
 import mcp_namespace_health
+import restart_coordinator
 import runtime_recovery_guard
 from webui import console_audit, console_authz
 
@@ -99,6 +100,14 @@ def _clean(value: Any) -> str:
     return str(value or "").strip()
 
 
+def restart_class_for_mode(mode: str) -> str:
+    """Map the existing namespace controls onto the #663 class taxonomy."""
+
+    if _clean(mode) == MODE_RELOAD:
+        return restart_coordinator.RestartClass.CONFIGURATION_RELOAD.value
+    return restart_coordinator.RestartClass.ROLE_RUNTIME_RESTART.value
+
+
 # --- Mutation ledger --------------------------------------------------------
 
 
@@ -256,6 +265,7 @@ def build_restart_preview(
 
     return {
         "action_id": action_id,
+        "restart_class": restart_class_for_mode(md),
         "namespace": ns,
         "mode": md,
         "scope_valid": scope_error is None,
@@ -309,6 +319,7 @@ def assess_restart_request(
             "reason_code": reason_code,
             "detail": detail,
             "action_id": action_id,
+            "restart_class": restart_class_for_mode(md),
             "namespace": ns,
             "mode": md,
             "preview": preview,
@@ -393,6 +404,7 @@ def assess_restart_request(
             "process."
         ),
         "action_id": action_id,
+        "restart_class": restart_class_for_mode(md),
         "namespace": ns,
         "mode": md,
         "preview": preview,
@@ -441,7 +453,11 @@ def execute_restart(
             else console_audit.RESULT_DENIED
         ),
         principal=principal,
-        target={"namespace": assessment["namespace"], "mode": assessment["mode"]},
+        target={
+            "namespace": assessment["namespace"],
+            "mode": assessment["mode"],
+            "restart_class": assessment["restart_class"],
+        },
         reason_code=assessment["reason_code"],
         detail=assessment["detail"],
         request_id=request_id,
@@ -450,6 +466,7 @@ def execute_restart(
             "gates_passed": assessment["gates_passed"],
             "process_kill_executed": False,
             "post_restart_verification_required": True,
+            "restart_class": assessment["restart_class"],
         },
     )
 
@@ -463,6 +480,7 @@ def execute_restart(
         "namespace": assessment["namespace"],
         "mode": assessment["mode"],
         "action_id": action_id,
+        "restart_class": assessment["restart_class"],
         "process_kill_executed": False,
         "host_hook": assessment["preview"]["restart_hook"],
         "next_action": (