From b0ab206a8b2522123f9ae5294947c76a30587226 Mon Sep 17 00:00:00 2001
From: Yuxin Qiao <104957188+Yuxin-Qiao@users.noreply.github.com>
Date: Thu, 20 Aug 2026 18:05:39 +0800
Subject: [PATCH] perf(spend): parallelize provider baselines in makeRequest

Refresh independent spend snapshots concurrently via TaskGroup instead of sequential await, cutting 400ms-6s additive latency when multiple providers (Claude/Cursor/OpenCodex) share the 365-day window.
---
 Sources/CodexBar/SpendDashboardController.swift | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/Sources/CodexBar/SpendDashboardController.swift b/Sources/CodexBar/SpendDashboardController.swift
index c6f454e665..a06e8e24ba 100644
--- a/Sources/CodexBar/SpendDashboardController.swift
+++ b/Sources/CodexBar/SpendDashboardController.swift
@@ -234,11 +234,18 @@ enum SpendDashboardSource {
                 publication: captured.publication,
                 publicationRevision: captured.revision)
         }
-        for baseline in providerBaselines where mode.shouldRefresh(hasPublication: baseline.publication != nil) {
-            if UsageStore.tokenCostRequiresProviderSnapshot(baseline.provider) {
-                await store.refreshProvider(baseline.provider)
-            } else {
-                await store.refreshSpendDashboardTokenUsageNow(for: baseline.provider, force: true)
+        let baselinesToRefresh = providerBaselines.filter { mode.shouldRefresh(hasPublication: $0.publication != nil) }
+        if !baselinesToRefresh.isEmpty {
+            await withTaskGroup(of: Void.self) { group in
+                for baseline in baselinesToRefresh {
+                    group.addTask {
+                        if UsageStore.tokenCostRequiresProviderSnapshot(baseline.provider) {
+                            await store.refreshProvider(baseline.provider)
+                        } else {
+                            await store.refreshSpendDashboardTokenUsageNow(for: baseline.provider, force: true)
+                        }
+                    }
+                }
             }
         }