fix: preserve group fields in compact output

.printing-press-patches.json

@@ -0,0 +1,18 @@
+{
+  "schema_version": 1,
+  "applied_at": "2026-08-11",
+  "base_run_id": "metadata-not-present",
+  "base_printing_press_version": "metadata-not-present",
+  "patches": [
+    {
+      "id": "compact-me-groups-fields",
+      "summary": "Preserve group identity fields in compact me groups output.",
+      "reason": "The command emits title-cased fields, causing --agent compact output to return empty objects.",
+      "files": [
+        "internal/cli/helpers.go",
+        "internal/cli/helpers_test.go"
+      ],
+      "validated_outcome": "Compact output retains Hash, Name, and Slug while omitting verbose fields."
+    }
+  ]
+}

internal/cli/helpers.go

@@ -591,6 +591,8 @@ func compactFields(data json.RawMessage) json.RawMessage {
 func compactListFields(items []map[string]any) json.RawMessage {
 	keepFields := map[string]bool{
 		"id": true, "name": true, "title": true, "identifier": true,
+		// PATCH: Preserve the title-cased identity fields emitted by `me groups`.
+		"Hash": true, "Name": true, "Slug": true,
 		"status": true, "state": true, "type": true, "priority": true,
 		"url": true, "email": true, "key": true,
 		"created_at": true, "updated_at": true, "createdAt": true, "updatedAt": true,

internal/cli/helpers_test.go

@@ -0,0 +1,33 @@
+package cli
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestCompactListFieldsPreservesMeGroupIdentity(t *testing.T) {
+	input := []map[string]any{
+		{
+			"Hash":        "97d0633486794bc8a486f31f2ff4be2d",
+			"Name":        "GenHQ - Creative AI Education",
+			"Slug":        "genhq",
+			"description": "verbose field that compact output should omit",
+		},
+	}
+
+	var got []map[string]any
+	if err := json.Unmarshal(compactListFields(input), &got); err != nil {
+		t.Fatalf("decode compact output: %v", err)
+	}
+	if len(got) != 1 {
+		t.Fatalf("expected one group, got %d", len(got))
+	}
+	for _, field := range []string{"Hash", "Name", "Slug"} {
+		if got[0][field] == "" {
+			t.Errorf("expected %s to survive compact output, got %#v", field, got[0])
+		}
+	}
+	if _, ok := got[0]["description"]; ok {
+		t.Errorf("description should be omitted from compact output: %#v", got[0])
+	}
+}