feat: stream detailed TUI sync progress

Show live repository progress, elapsed time, active work, and recent outcomes during long syncs. Add a persistent post-run summary that prioritizes failures, reports protected and divergent branches, focuses the first issue, and lets users cycle through attention items with f.

main_test.go

@@ -123,10 +123,16 @@ func TestStrictSyncRechecksAndSkipsNewlyDirtyRepository(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	results := syncAll(root, []repo{planned}, 1, time.Minute, io.Discard, true, true)
+	var progress []syncProgressEvent
+	results := syncSelectedWithProgress(root, []repo{planned}, []repo{planned}, 1, time.Minute, io.Discard, true, true, func(event syncProgressEvent) {
+		progress = append(progress, event)
+	})
 	if len(results) != 1 || !results[0].Skipped || results[0].Success {
 		t.Fatalf("syncAll() = %+v", results)
 	}
+	if len(progress) != 1 || progress[0].Started || !progress[0].Result.Skipped {
+		t.Fatalf("progress events = %+v, want one finished skip", progress)
+	}
 }
 
 func TestScanReportsDirtyEligibleRepository(t *testing.T) {