fix(api): include health-check reason payload

Co-Authored-By: Virgil <virgil@lethean.io>

pkg/api/provider.go

@@ -236,10 +236,15 @@ func (p *ProcessProvider) healthCheck(c *gin.Context) {
 	}
 
 	healthy := process.WaitForHealth(entry.Health, 2000)
+	reason := ""
+	if !healthy {
+		reason = "health endpoint did not report healthy"
+	}
 
 	result := map[string]any{
 		"healthy": healthy,
 		"address": entry.Health,
+		"reason":  reason,
 	}
 
 	// Emit health event
@@ -247,6 +252,7 @@ func (p *ProcessProvider) healthCheck(c *gin.Context) {
 		"code":    code,
 		"daemon":  daemon,
 		"healthy": healthy,
+		"reason":  reason,
 	})
 
 	statusCode := http.StatusOK

pkg/api/provider_test.go

@@ -5,6 +5,7 @@ package api_test
 import (
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"testing"
 
 	process "dappco.re/go/core/process"
@@ -89,6 +90,27 @@ func TestProcessProvider_GetDaemon_Bad(t *testing.T) {
 	assert.Equal(t, http.StatusNotFound, w.Code)
 }
 
+func TestProcessProvider_HealthCheck_NoEndpoint_Good(t *testing.T) {
+	dir := t.TempDir()
+	registry := newTestRegistry(dir)
+	require.NoError(t, registry.Register(process.DaemonEntry{
+		Code:   "test",
+		Daemon: "nohealth",
+		PID:    os.Getpid(),
+	}))
+
+	p := processapi.NewProvider(registry, nil)
+
+	r := setupRouter(p)
+	w := httptest.NewRecorder()
+	req, _ := http.NewRequest("GET", "/api/process/daemons/test/nohealth/health", nil)
+	r.ServeHTTP(w, req)
+
+	assert.Equal(t, http.StatusOK, w.Code)
+	assert.Contains(t, w.Body.String(), "no health endpoint configured")
+	assert.Contains(t, w.Body.String(), "\"reason\"")
+}
+
 func TestProcessProvider_RegistersAsRouteGroup_Good(t *testing.T) {
 	p := processapi.NewProvider(nil, nil)