[management] Configure per-target HTTP access actions (#8116)

Let HTTP targets inherit service authentication, bypass it, or block access. Validate and persist the action, expose it through the API, and deliver it to the proxy. Private services reject bypass.

Validation: service/manager, store, and management-to-proxy integration race tests passed; scoped lint passed.

shared/management/http/api/openapi.yml

@@ -3104,6 +3104,12 @@ components:
           type: string
           description: URL path prefix for this target (HTTP only)
           example: "/"
+        access_action:
+          type: string
+          description: Access action applied after this target's HTTP path prefix is selected. "inherit" uses the service authentication configuration, "bypass" skips service authentication, and "block" denies access. HTTP services only.
+          enum: [inherit, bypass, block]
+          default: inherit
+          example: "inherit"
         protocol:
           type: string
           description: Protocol to use when connecting to the backend

shared/management/http/api/types.gen.go

@@ -1037,6 +1037,27 @@ func (e ServiceRequestMode) Valid() bool {
 	}
 }
 
+// Defines values for ServiceTargetAccessAction.
+const (
+	ServiceTargetAccessActionBlock   ServiceTargetAccessAction = "block"
+	ServiceTargetAccessActionBypass  ServiceTargetAccessAction = "bypass"
+	ServiceTargetAccessActionInherit ServiceTargetAccessAction = "inherit"
+)
+
+// Valid indicates whether the value is a known member of the ServiceTargetAccessAction enum.
+func (e ServiceTargetAccessAction) Valid() bool {
+	switch e {
+	case ServiceTargetAccessActionBlock:
+		return true
+	case ServiceTargetAccessActionBypass:
+		return true
+	case ServiceTargetAccessActionInherit:
+		return true
+	default:
+		return false
+	}
+}
+
 // Defines values for ServiceTargetProtocol.
 const (
 	ServiceTargetProtocolHttp  ServiceTargetProtocol = "http"
@@ -5113,6 +5134,9 @@ type ServiceRequestMode string
 
 // ServiceTarget defines model for ServiceTarget.
 type ServiceTarget struct {
+	// AccessAction Access action applied after this target's HTTP path prefix is selected. "inherit" uses the service authentication configuration, "bypass" skips service authentication, and "block" denies access. HTTP services only.
+	AccessAction *ServiceTargetAccessAction `json:"access_action,omitempty"`
+
 	// Enabled Whether this target is enabled
 	Enabled bool `json:"enabled"`
 
@@ -5136,6 +5160,9 @@ type ServiceTarget struct {
 	TargetType ServiceTargetTargetType `json:"target_type"`
 }
 
+// ServiceTargetAccessAction Access action applied after this target's HTTP path prefix is selected. "inherit" uses the service authentication configuration, "bypass" skips service authentication, and "block" denies access. HTTP services only.
+type ServiceTargetAccessAction string
+
 // ServiceTargetProtocol Protocol to use when connecting to the backend
 type ServiceTargetProtocol string