2 files changed, 0 insertions, 222 deletions
diff --git a/packages/cli/src/utils/modelCheck.test.ts b/packages/cli/src/utils/modelCheck.test.ts
deleted file mode 100644
index 11e38c01..00000000
--- a/packages/cli/src/utils/modelCheck.test.ts
+++ /dev/null
@@ -1,154 +0,0 @@
-/**
- * @license
- * Copyright 2025 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
-import { getEffectiveModel } from './modelCheck.js';
-import {
-  DEFAULT_GEMINI_MODEL,
-  DEFAULT_GEMINI_FLASH_MODEL,
-} from '@gemini-cli/core';
-
-// Mock global fetch
-global.fetch = vi.fn();
-
-// Mock AbortController
-const mockAbort = vi.fn();
-global.AbortController = vi.fn(() => ({
-  signal: { aborted: false }, // Start with not aborted
-  abort: mockAbort,
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-})) as any;
-
-describe('getEffectiveModel', () => {
-  const apiKey = 'test-api-key';
-
-  beforeEach(() => {
-    vi.useFakeTimers();
-    vi.clearAllMocks();
-    // Reset signal for each test if AbortController mock is more complex
-    global.AbortController = vi.fn(() => ({
-      signal: { aborted: false },
-      abort: mockAbort,
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    })) as any;
-  });
-
-  afterEach(() => {
-    vi.restoreAllMocks();
-    vi.useRealTimers();
-  });
-
-  describe('when currentConfiguredModel is not DEFAULT_GEMINI_MODEL', () => {
-    it('should return the currentConfiguredModel without fetching', async () => {
-      const customModel = 'custom-model-name';
-      const result = await getEffectiveModel(apiKey, customModel);
-      expect(result).toEqual(customModel);
-      expect(fetch).not.toHaveBeenCalled();
-    });
-  });
-
-  describe('when currentConfiguredModel is DEFAULT_GEMINI_MODEL', () => {
-    it('should switch to DEFAULT_GEMINI_FLASH_MODEL if fetch returns 429', async () => {
-      (fetch as vi.Mock).mockResolvedValueOnce({
-        ok: false,
-        status: 429,
-      });
-      const result = await getEffectiveModel(apiKey, DEFAULT_GEMINI_MODEL);
-      expect(result).toEqual(DEFAULT_GEMINI_FLASH_MODEL);
-      expect(fetch).toHaveBeenCalledTimes(1);
-      expect(fetch).toHaveBeenCalledWith(
-        `https://generativelanguage.googleapis.com/v1beta/models/${DEFAULT_GEMINI_MODEL}:generateContent?key=${apiKey}`,
-        expect.any(Object),
-      );
-    });
-
-    it('should return DEFAULT_GEMINI_MODEL if fetch returns 200', async () => {
-      (fetch as vi.Mock).mockResolvedValueOnce({
-        ok: true,
-        status: 200,
-      });
-      const result = await getEffectiveModel(apiKey, DEFAULT_GEMINI_MODEL);
-      expect(result).toEqual(DEFAULT_GEMINI_MODEL);
-      expect(fetch).toHaveBeenCalledTimes(1);
-    });
-
-    it('should return DEFAULT_GEMINI_MODEL if fetch returns a non-429 error status (e.g., 500)', async () => {
-      (fetch as vi.Mock).mockResolvedValueOnce({
-        ok: false,
-        status: 500,
-      });
-      const result = await getEffectiveModel(apiKey, DEFAULT_GEMINI_MODEL);
-      expect(result).toEqual(DEFAULT_GEMINI_MODEL);
-      expect(fetch).toHaveBeenCalledTimes(1);
-    });
-
-    it('should return DEFAULT_GEMINI_MODEL if fetch throws a network error', async () => {
-      (fetch as vi.Mock).mockRejectedValueOnce(new Error('Network error'));
-      const result = await getEffectiveModel(apiKey, DEFAULT_GEMINI_MODEL);
-      expect(result).toEqual(DEFAULT_GEMINI_MODEL);
-      expect(fetch).toHaveBeenCalledTimes(1);
-    });
-
-    it('should return DEFAULT_GEMINI_MODEL if fetch times out', async () => {
-      // Simulate AbortController's signal changing and fetch throwing AbortError
-      const abortControllerInstance = {
-        signal: { aborted: false }, // mutable signal
-        abort: vi.fn(() => {
-          abortControllerInstance.signal.aborted = true; // Use abortControllerInstance
-        }),
-      };
-      (global.AbortController as vi.Mock).mockImplementationOnce(
-        () => abortControllerInstance,
-      );
-
-      (fetch as vi.Mock).mockImplementationOnce(
-        async ({ signal }: { signal: AbortSignal }) => {
-          // Simulate the timeout advancing and abort being called
-          vi.advanceTimersByTime(2000);
-          if (signal.aborted) {
-            throw new DOMException('Aborted', 'AbortError');
-          }
-          // Should not reach here in a timeout scenario
-          return { ok: true, status: 200 };
-        },
-      );
-
-      const resultPromise = getEffectiveModel(apiKey, DEFAULT_GEMINI_MODEL);
-      // Ensure timers are advanced to trigger the timeout within getEffectiveModel
-      await vi.advanceTimersToNextTimerAsync(); // Or advanceTimersByTime(2000) if more precise control is needed
-
-      const result = await resultPromise;
-
-      expect(mockAbort).toHaveBeenCalledTimes(0); // setTimeout calls controller.abort(), not our direct mockAbort
-      expect(abortControllerInstance.abort).toHaveBeenCalledTimes(1);
-      expect(result).toEqual(DEFAULT_GEMINI_MODEL);
-      expect(fetch).toHaveBeenCalledTimes(1);
-    });
-
-    it('should correctly pass API key and model in the fetch request', async () => {
-      (fetch as vi.Mock).mockResolvedValueOnce({ ok: true, status: 200 });
-      const specificApiKey = 'specific-key-for-this-test';
-      await getEffectiveModel(specificApiKey, DEFAULT_GEMINI_MODEL);
-
-      expect(fetch).toHaveBeenCalledWith(
-        `https://generativelanguage.googleapis.com/v1beta/models/${DEFAULT_GEMINI_MODEL}:generateContent?key=${specificApiKey}`,
-        expect.objectContaining({
-          method: 'POST',
-          headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({
-            contents: [{ parts: [{ text: 'test' }] }],
-            generationConfig: {
-              maxOutputTokens: 1,
-              temperature: 0,
-              topK: 1,
-              thinkingConfig: { thinkingBudget: 0, includeThoughts: false },
-            },
-          }),
-        }),
-      );
-    });
-  });
-});
diff --git a/packages/cli/src/utils/modelCheck.ts b/packages/cli/src/utils/modelCheck.ts
deleted file mode 100644
index 7d7a3b7d..00000000
--- a/packages/cli/src/utils/modelCheck.ts
+++ /dev/null
@@ -1,68 +0,0 @@
-/**
- * @license
- * Copyright 2025 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-import {
-  DEFAULT_GEMINI_MODEL,
-  DEFAULT_GEMINI_FLASH_MODEL,
-} from '@gemini-cli/core';
-
-/**
- * Checks if the default "pro" model is rate-limited and returns a fallback "flash"
- * model if necessary. This function is designed to be silent.
- * @param apiKey The API key to use for the check.
- * @param currentConfiguredModel The model currently configured in settings.
- * @returns An object indicating the model to use, whether a switch occurred,
- *          and the original model if a switch happened.
- */
-export async function getEffectiveModel(
-  apiKey: string,
-  currentConfiguredModel: string,
-): Promise<string> {
-  if (currentConfiguredModel !== DEFAULT_GEMINI_MODEL) {
-    // Only check if the user is trying to use the specific pro model we want to fallback from.
-    return currentConfiguredModel;
-  }
-
-  const modelToTest = DEFAULT_GEMINI_MODEL;
-  const fallbackModel = DEFAULT_GEMINI_FLASH_MODEL;
-  const endpoint = `https://generativelanguage.googleapis.com/v1beta/models/${modelToTest}:generateContent?key=${apiKey}`;
-  const body = JSON.stringify({
-    contents: [{ parts: [{ text: 'test' }] }],
-    generationConfig: {
-      maxOutputTokens: 1,
-      temperature: 0,
-      topK: 1,
-      thinkingConfig: { thinkingBudget: 0, includeThoughts: false },
-    },
-  });
-
-  const controller = new AbortController();
-  const timeoutId = setTimeout(() => controller.abort(), 2000); // 500ms timeout for the request
-
-  try {
-    const response = await fetch(endpoint, {
-      method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
-      body,
-      signal: controller.signal,
-    });
-
-    clearTimeout(timeoutId);
-
-    if (response.status === 429) {
-      console.log(
-        `[INFO] Your configured model (${modelToTest}) was temporarily unavailable. Switched to ${fallbackModel} for this session.`,
-      );
-      return fallbackModel;
-    }
-    // For any other case (success, other error codes), we stick to the original model.
-    return currentConfiguredModel;
-  } catch (_error) {
-    clearTimeout(timeoutId);
-    // On timeout or any other fetch error, stick to the original model.
-    return currentConfiguredModel;
-  }
-}