Implement projections and operations

internal/operations/operations_test.go

@@ -0,0 +1,18 @@
+package operations
+
+import (
+	"encoding/json"
+	"orchestra/internal/domain"
+	"testing"
+	"time"
+)
+
+func TestBuildBrief(t *testing.T) {
+	now := time.Now()
+	p, _ := json.Marshal(map[string]any{"harness_id": "cc", "consumed": 12})
+	es := []domain.Event{{Type: "TaskCompleted", At: now}, {Type: "TaskFailed", At: now}, {Type: "ApprovalRequested", At: now}, {Type: "QuotaReported", At: now, Payload: p}}
+	b := BuildBrief(es, now.Add(-time.Minute), now.Add(time.Minute), GitSync{Status: "clean"})
+	if b.Completed != 1 || b.Failed != 1 || len(b.NeedsAttention) != 2 || b.Quota["cc"] != 12 {
+		t.Fatalf("unexpected brief: %+v", b)
+	}
+}