feat(model): update Kimi model references from k2.5 to k2.6 across the application (#897)

tests/e2e/provider-lifecycle.spec.ts

@@ -11,7 +11,7 @@ async function seedTestProvider(page: Parameters<typeof completeSetup>[0]): Prom
       name: providerLabel,
       type: 'moonshot',
       baseUrl: 'https://api.moonshot.cn/v1',
-      model: 'kimi-k2.5',
+      model: 'kimi-k2.6',
       enabled: true,
       createdAt: now,
       updatedAt: now,

tests/e2e/token-usage.spec.ts

@@ -23,7 +23,7 @@ async function seedTokenUsageTranscripts(homeDir: string): Promise<void> {
         timestamp: zeroTimestamp,
         message: {
           role: 'assistant',
-          model: 'kimi-k2.5',
+          model: 'kimi-k2.6',
           provider: 'kimi',
           usage: {
             total_tokens: 0,
@@ -44,7 +44,7 @@ async function seedTokenUsageTranscripts(homeDir: string): Promise<void> {
         timestamp: nonzeroTimestamp,
         message: {
           role: 'assistant',
-          model: 'kimi-k2.5',
+          model: 'kimi-k2.6',
           provider: 'kimi',
           usage: {
             total_tokens: 27,