.gitea/ai-review/findings.json

@@ -1,18 +1,10 @@
 [
   {
-    "level": "warning",
+    "level": "info",
     "role": "Maya",
-    "location": "app/usage.test.js:240",
-    "problem": "`formatUsageStatsLine` 測試案例中，僅驗證了單一平台的格式，缺失了當 `quota` 或 `rate` 資料缺失或包含無效數字（如 `NaN`）時的處理測試。",
-    "suggestion": "補充針對 `quota` 或 `rate` 傳入異常資料（如 `limit: NaN`）的測試，驗證 `formatUsageStatsLine` 是否能產生安全的預設文字，而非輸出 `NaN` 或破壞版面。",
-    "is_new": true
-  },
-  {
-    "level": "warning",
-    "role": "Rogue",
-    "location": "app/usage.js:146",
-    "problem": "在 `recordRateLimit` 中頻繁呼叫 `lowerCaseKeys`，這會對每個請求的 headers 進行複製與轉換，增加記憶體分配開銷。",
-    "suggestion": "建議直接存取 headers 時改用不區分大小寫的存取函式，避免複製整個物件。",
+    "location": "app/usage.test.js:217",
+    "problem": "測試案例 `returns null percent when rate.remaining is null/undefined` 僅驗證了 remaining 為 null/undefined，但未驗證當 rate.limit 為 null/undefined 時的情況。雖然這可能由 `calculatePercent` 內部處理，但針對 `resolveRemainingPercent` 這一層級的整合測試仍不完整。",
+    "suggestion": "建議補上一個測試案例，明確測試當 `rate.limit` 為 null/undefined 時，`resolveRemainingPercent` 的行為是否符合預期。",
     "is_new": true
   }
 ]

app/main.js

@@ -115,7 +115,9 @@ async function main() {
   // Step7 過濾：套用排除規則 + 防守方 AI 誤報裁決
   step('Step7', '排除規則與誤報過濾');
   if (reconcile.excludedFindings.length > 0) {
-    appendExclusions(WORKSPACE, reconcile.excludedFindings, repoDir || WORKSPACE);
+    // 以 repoDir 為主（即將提交回去的來源分支副本），WORKSPACE 為鏡像；
+    // 順序須與下方 loadExclusions 一致，否則會讀到空的 WORKSPACE 而把既有排除規則覆蓋掉。
+    appendExclusions(repoDir || WORKSPACE, reconcile.excludedFindings, WORKSPACE);
   }
   const exclusions = loadExclusions(repoDir || WORKSPACE, repoState, WORKSPACE);
   input(`待過濾 ${sorted.length} 筆；排除規則 ${exclusions.length} 條`);

app/usage.js

@@ -211,23 +211,40 @@ function round1(n) {
 
 const RATE_KIND_LABEL = { tokens: 'token', requests: '次數' };
 
+/**
+ * 計算「剩餘百分比」= remaining / limit × 100。
+ * limit 或 remaining 為 null／undefined／NaN／Infinity，或 limit ≤ 0 時回 null，
+ * 避免算出 Infinity%／NaN%／負百分比或除以零。
+ */
+function calculatePercent(remaining, limit) {
+  if (remaining == null || limit == null) return null;
+  const rem = Number(remaining);
+  const lim = Number(limit);
+  if (!Number.isFinite(rem) || !Number.isFinite(lim) || lim <= 0) return null;
+  return round1((rem / lim) * 100);
+}
+
 /**
  * 計算「剩餘可用百分比」，依優先序擇一：
- * 1. 帳號額度（quota 有上限）→ 剩餘 credits / 上限；
- * 2. 速率配額（rate limit header）→ 當前視窗剩餘 / 上限；
- * 皆無法取得時回傳 { percent: null, reason }。
+ * 1. 帳號額度（quota 有有效上限）→ 剩餘 credits / 上限；
+ * 2. 速率配額（rate limit header，有有效上限）→ 當前視窗剩餘 / 上限；
+ * 上限或剩餘為無效值（null／0／負數／NaN／Infinity）時跳過計算，落到 { percent: null, reason }。
  */
 export function resolveRemainingPercent(quota, rate) {
-  if (quota?.available && quota.limit != null && Number(quota.limit) > 0) {
+  if (quota?.available && quota.limit != null) {
     const limit = Number(quota.limit);
     const remaining = quota.remaining == null ? limit - num(quota.used) : Number(quota.remaining);
-    return { percent: round1((remaining / limit) * 100), basis: '帳號額度', remaining, limit, unit: quota.currency || '' };
+    const percent = calculatePercent(remaining, limit);
+    if (percent != null) {
+      return { percent, basis: '帳號額度', remaining, limit, unit: quota.currency || '' };
+    }
   }
-  if (rate?.hasData && Number(rate.limit) > 0) {
-    const limit = Number(rate.limit);
-    const remaining = Number(rate.remaining);
-    const kindLabel = RATE_KIND_LABEL[rate.kind] || rate.kind;
-    return { percent: round1((remaining / limit) * 100), basis: `速率配額（當前視窗，${kindLabel}）`, remaining, limit, unit: '' };
+  if (rate?.hasData) {
+    const percent = calculatePercent(rate.remaining, rate.limit);
+    if (percent != null) {
+      const kindLabel = RATE_KIND_LABEL[rate.kind] || rate.kind;
+      return { percent, basis: `速率配額（當前視窗，${kindLabel}）`, remaining: Number(rate.remaining), limit: Number(rate.limit), unit: '' };
+    }
   }
   let reason;
   if (quota?.available && quota.limit == null) reason = '帳號額度無上限，無法計算百分比';

app/usage.test.js

@@ -196,6 +196,32 @@ describe('resolveRemainingPercent', () => {
     assert.match(pct.reason, /無上限/);
   });
 
+  it('returns null percent for non-finite or non-positive quota limits', () => {
+    for (const limit of [0, -5, Infinity, NaN, undefined]) {
+      const pct = resolveRemainingPercent({ available: true, used: 0, limit, remaining: limit, currency: 'USD' }, null);
+      assert.equal(pct.percent, null, `quota.limit=${limit} 應算不出百分比`);
+    }
+  });
+
+  it('returns null percent for non-finite or non-positive rate limits', () => {
+    for (const limit of [0, -1, Infinity, NaN]) {
+      const pct = resolveRemainingPercent({ available: false, reason: 'x' }, { hasData: true, remaining: limit, limit, kind: 'tokens' });
+      assert.equal(pct.percent, null, `rate.limit=${limit} 應算不出百分比`);
+    }
+  });
+
+  it('returns null percent when rate.remaining is null/undefined', () => {
+    for (const remaining of [null, undefined]) {
+      const pct = resolveRemainingPercent({ available: false, reason: 'x' }, { hasData: true, remaining, limit: 200000, kind: 'tokens' });
+      assert.equal(pct.percent, null, `rate.remaining=${remaining} 應算不出百分比`);
+    }
+  });
+
+  it('returns null percent when limit is finite but remaining is non-finite', () => {
+    const pct = resolveRemainingPercent({ available: true, used: 0, limit: 100, remaining: Infinity, currency: 'USD' }, null);
+    assert.equal(pct.percent, null);
+  });
+
   it('does not divide by zero when quota.limit is 0', () => {
     const pct = resolveRemainingPercent({ available: true, used: 5, limit: 0, currency: 'USD' }, { hasData: false });
     assert.equal(pct.percent, null); // limit > 0 守衛擋掉除以零
@@ -244,4 +270,30 @@ describe('formatUsageStatsLine', () => {
     const line = formatUsageStatsLine('ollama', 'llama3', usage, { available: false, reason: '本地服務，無帳號額度概念' }, { hasData: false });
     assert.match(line, /；剩餘可用: 無法計算（本地服務，無帳號額度概念）/);
   });
+
+  it('produces safe text (no NaN) when quota/rate carry invalid numbers', () => {
+    // quota.limit 為 NaN、rate.limit 為 NaN → 不應算出百分比、不得輸出 NaN
+    const line = formatUsageStatsLine('openai', 'm', usage,
+      { available: true, used: 5, limit: NaN, currency: 'USD' },
+      { hasData: true, remaining: NaN, limit: NaN, kind: 'tokens' });
+    assert.doesNotMatch(line, /NaN/);
+    assert.match(line, /剩餘可用: 無法計算/);
+  });
+
+  it('does not output Infinity/NaN/negative percent for invalid quota numbers', () => {
+    const ownUsage = { calls: 1, promptTokens: 1, completionTokens: 1, totalTokens: 2 };
+    for (const limit of [Infinity, 0, -5, NaN]) {
+      const line = formatUsageStatsLine('openai', 'm', ownUsage, { available: true, used: 0, limit, remaining: limit, currency: 'USD' }, null);
+      assert.doesNotMatch(line, /NaN|Infinity|-\d+%/);
+      assert.match(line, /剩餘可用: 無法計算/);
+    }
+  });
+
+  it('falls back to a valid rate percent when only the quota limit is invalid', () => {
+    const ownUsage = { calls: 1, promptTokens: 1, completionTokens: 1, totalTokens: 2 };
+    const line = formatUsageStatsLine('openai', 'm', ownUsage,
+      { available: true, used: 0, limit: Infinity, currency: 'USD' },          // quota 無效
+      { hasData: true, remaining: 150000, limit: 200000, kind: 'tokens' });     // rate 有效 → 75%
+    assert.match(line, /剩餘可用: 75%（速率配額/);
+  });
 });