diff --git a/modules/mesh-delivery-pipeline/manifest_test.go b/modules/mesh-delivery-pipeline/manifest_test.go
index 76a9cc5f..784a16b3 100644
--- a/modules/mesh-delivery-pipeline/manifest_test.go
+++ b/modules/mesh-delivery-pipeline/manifest_test.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"os"
 	"slices"
+	"strings"
 	"testing"
 
 	seat "git.novox.be/novox/mesh-delivery/modules/mesh-delivery-contracts/go/seats/meshpipelinerunner"
@@ -107,8 +108,9 @@ func TestManifest(t *testing.T) {
 		{"uses operator-channel", equalSets(m.Uses, []string{"operator-channel"})},
 		// RN25 (§539): the runner's tools carry the prefix runner_.
 		{"first-view tools", equalSets(m.Tools, []string{"runner_first_views", "runner_first_view_again", "runner_health", "runner_waits", "runner_release", "runner_unlogged", "runner_unlogged_append"})},
-		// RN25 (§468, §76): the health check, run outside the process, is the tool runner_health.
-		{"health is runner_health", healthTool(raw) == "tool runner_health"},
+		// A-305 (ADR 0227 rule 8, ADR 0240 rule 2): the process is judged by its unit, as every process of mesh-delivery,
+		// never by a tool of its own; runner_health stays a tool.
+		{"health is the unit", healthTool(raw) == "unit"},
 		// RN1/AC5 (§95, §130): the new assigner is delivered before the runner.
 		{"program needs the assigner's program", slices.Equal(program.Needs, []string{"mesh-delivery-assigner:program"})},
 	}
@@ -145,6 +147,7 @@ func TestNoVerbNamesItsCallers(t *testing.T) {
 }
 
 // healthTool is the process resource's health kind and tool.
+// healthTool is the process's health, its kind and its tool when it names one.
 func healthTool(raw []byte) string {
 	var m struct {
 		Resources []struct {
@@ -160,7 +163,7 @@ func healthTool(raw []byte) string {
 	}
 	for _, r := range m.Resources {
 		if r.Type == "process" {
-			return r.Health.Kind + " " + r.Health.Tool
+			return strings.TrimSpace(r.Health.Kind + " " + r.Health.Tool)
 		}
 	}
 	return ""
diff --git a/modules/mesh-delivery-pipeline/module.json b/modules/mesh-delivery-pipeline/module.json
index 98214688..5a61a86c 100644
--- a/modules/mesh-delivery-pipeline/module.json
+++ b/modules/mesh-delivery-pipeline/module.json
@@ -180,8 +180,7 @@
       },
       "user": "mesh-delivery-pipeline",
       "health": {
-        "kind": "tool",
-        "tool": "runner_health"
+        "kind": "unit"
       }
     }
   ],