Merge origin/main into fix/gemini-cli-v1internal

frontend/src/features/providers/components/__tests__/endpoint-default-paths.spec.ts

@@ -3,9 +3,12 @@ import { describe, expect, it } from 'vitest'
 import { getDefaultEndpointPath } from '../endpoint-default-paths'
 
 const apiFormats = [
+  { value: 'openai:chat', default_path: '/v1/chat/completions' },
   { value: 'gemini:generate_content', default_path: '/v1beta/models/{model}:{action}' },
   { value: 'gemini:embedding', default_path: '/v1beta/models/{model}:{action}' },
   { value: 'openai:responses', default_path: '/v1/responses' },
+  { value: 'openai:embedding', default_path: '/v1/embeddings' },
+  { value: 'claude:messages', default_path: '/v1/messages' },
 ]
 
 describe('endpoint default paths', () => {
@@ -52,4 +55,73 @@ describe('endpoint default paths', () => {
       apiFormats,
     })).toBe('/responses')
   })
+
+  it('drops /v1 from OpenAI-compatible defaults when base URL includes a path', () => {
+    expect(getDefaultEndpointPath({
+      apiFormat: 'openai:chat',
+      providerType: 'custom',
+      baseUrl: 'https://proxy.example.com/api',
+      apiFormats,
+    })).toBe('/chat/completions')
+
+    expect(getDefaultEndpointPath({
+      apiFormat: 'openai:embedding',
+      providerType: 'custom',
+      baseUrl: 'https://proxy.example.com/api?tenant=demo',
+      apiFormats,
+    })).toBe('/embeddings')
+
+    expect(getDefaultEndpointPath({
+      apiFormat: 'openai:chat',
+      providerType: 'custom',
+      baseUrl: 'https://proxy.example.com/openai',
+      apiFormats,
+    })).toBe('/chat/completions')
+
+    expect(getDefaultEndpointPath({
+      apiFormat: 'openai:chat',
+      providerType: 'custom',
+      baseUrl: 'https://proxy.example.com',
+      apiFormats,
+    })).toBe('/v1/chat/completions')
+  })
+
+  it('drops /v1 from OpenAI-compatible defaults when base URL already includes a known API root', () => {
+    expect(getDefaultEndpointPath({
+      apiFormat: 'openai:chat',
+      providerType: 'custom',
+      baseUrl: 'https://open.bigmodel.cn/api/coding/paas/v4',
+      apiFormats,
+    })).toBe('/chat/completions')
+
+    expect(getDefaultEndpointPath({
+      apiFormat: 'openai:responses',
+      providerType: 'custom',
+      baseUrl: 'https://api.openai.example/v1',
+      apiFormats,
+    })).toBe('/responses')
+  })
+
+  it('keeps /v1 for Claude Messages defaults unless base URL already ends with v1', () => {
+    expect(getDefaultEndpointPath({
+      apiFormat: 'claude:messages',
+      providerType: 'custom',
+      baseUrl: 'https://api.anthropic.example/v1',
+      apiFormats,
+    })).toBe('/messages')
+
+    expect(getDefaultEndpointPath({
+      apiFormat: 'claude:messages',
+      providerType: 'custom',
+      baseUrl: 'https://proxy.example.com/api',
+      apiFormats,
+    })).toBe('/v1/messages')
+
+    expect(getDefaultEndpointPath({
+      apiFormat: 'claude:messages',
+      providerType: 'custom',
+      baseUrl: 'https://proxy.example.com/anthropic',
+      apiFormats,
+    })).toBe('/v1/messages')
+  })
 })