add admin diagnostics readiness and event metrics

internal/admin/admin_test.go

@@ -0,0 +1,52 @@
+package admin
+
+import (
+	"context"
+	"encoding/json"
+	"net/http/httptest"
+	"orchestra/internal/authz"
+	"orchestra/internal/domain"
+	"orchestra/internal/store"
+	"strings"
+	"testing"
+)
+
+func TestDiagnosticsRequiresFullControl(t *testing.T) {
+	s, err := store.Open(t.TempDir())
+	if err != nil {
+		t.Fatal(err)
+	}
+	h := (&Server{Store: s}).Diagnostics
+	r := httptest.NewRequest("GET", "/v1/admin/diagnostics", nil)
+	r.Header.Set("X-Orchestra-Surface", string(authz.MCP))
+	w := httptest.NewRecorder()
+	h(w, r)
+	if w.Code != 403 || !strings.Contains(w.Body.String(), `"code":"forbidden"`) {
+		t.Fatalf("status=%d body=%s", w.Code, w.Body)
+	}
+}
+
+func TestSubscribeEmitsCursorAndEvent(t *testing.T) {
+	s, err := store.Open(t.TempDir())
+	if err != nil {
+		t.Fatal(err)
+	}
+	p, _ := json.Marshal(map[string]any{"source": "test", "external_id": "1", "project": "p"})
+	if err := s.Append(domain.Event{ID: "e", TaskID: "t", Type: "TaskCreated", Version: 1, Payload: p}); err != nil {
+		t.Fatal(err)
+	}
+	h := (&Server{Store: s}).Subscribe
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	r := httptest.NewRequest("GET", "/v1/events/subscribe?since=0", nil).WithContext(ctx)
+	w := httptest.NewRecorder()
+	done := make(chan struct{})
+	go func() { h(w, r); close(done) }()
+	for !strings.Contains(w.Body.String(), "id: 1") {
+	}
+	cancel()
+	<-done
+	if !strings.Contains(w.Body.String(), "id: 1") {
+		t.Fatalf("body=%s", w.Body)
+	}
+}