feat: update error messages in NewApiAdapter tests to use correct Chinese translations

feat: enhance proxy usage parser to include cache read and creation tokens

feat: add billing details to ProxyLog interface and implement related formatting functions

fix: correct mojibake issues in source files and add regression test for mojibake detection

chore: add SQL migration for billing details in proxy_logs table

test: improve site speed button tests to ensure proper state updates without DOM lookups

src/server/db/index.ts

@@ -263,6 +263,17 @@ function ensureDownstreamApiKeySchema() {
   `);
 }
 
+function ensureProxyLogBillingDetailsSchema() {
+  const sqlite = requireSqliteConnection();
+  if (!tableExists('proxy_logs')) {
+    return;
+  }
+
+  if (!tableColumnExists('proxy_logs', 'billing_details')) {
+    sqlite.exec('ALTER TABLE proxy_logs ADD COLUMN billing_details text;');
+  }
+}
+
 async function sqliteProxyQuery(sqlText: string, params: unknown[], method: SqlMethod) {
   const sqlite = requireSqliteConnection();
   const statement = sqlite.prepare(sqlText);
@@ -518,6 +529,7 @@ function initSqliteDb() {
   ensureSiteGlobalWeightSchema();
   ensureRouteGroupingSchema();
   ensureDownstreamApiKeySchema();
+  ensureProxyLogBillingDetailsSchema();
 
   const rawDb = drizzleSqliteProxy(
     (sqlText, params, method) => sqliteProxyQuery(sqlText, params, method as SqlMethod),

src/server/db/schema.ts

@@ -155,6 +155,7 @@ export const proxyLogs = sqliteTable('proxy_logs', {
   completionTokens: integer('completion_tokens'),
   totalTokens: integer('total_tokens'),
   estimatedCost: real('estimated_cost'),
+  billingDetails: text('billing_details'),
   errorMessage: text('error_message'),
   retryCount: integer('retry_count').default(0),
   createdAt: text('created_at').default(sql`(datetime('now'))`),