feat: 添加 model/provider 层改进

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: unraid

packages/@ant/model-provider/src/shared/__tests__/openaiConvertMessages.test.ts

@@ -18,25 +18,29 @@ describe('anthropicToolsToOpenAI', () => {
 
     const result = anthropicToolsToOpenAI(tools as any)
 
-    expect(result).toEqual([{
-      type: 'function',
-      function: {
-        name: 'bash',
-        description: 'Run a bash command',
-        parameters: {
-          type: 'object',
-          properties: { command: { type: 'string' } },
-          required: ['command'],
+    expect(result).toEqual([
+      {
+        type: 'function',
+        function: {
+          name: 'bash',
+          description: 'Run a bash command',
+          parameters: {
+            type: 'object',
+            properties: { command: { type: 'string' } },
+            required: ['command'],
+          },
         },
       },
-    }])
+    ])
   })
 
   test('uses empty schema when input_schema missing', () => {
     const tools = [{ type: 'custom', name: 'noop', description: 'no-op' }]
     const result = anthropicToolsToOpenAI(tools as any)
 
-    expect((result[0] as { function: { parameters: unknown } }).function.parameters).toEqual({ type: 'object', properties: {} })
+    expect(
+      (result[0] as { function: { parameters: unknown } }).function.parameters,
+    ).toEqual({ type: 'object', properties: {} })
   })
 
   test('strips Anthropic-specific fields', () => {
@@ -76,7 +80,8 @@ describe('anthropicToolsToOpenAI', () => {
       },
     ]
     const result = anthropicToolsToOpenAI(tools as any)
-    const props = (result[0] as { function: { parameters: any } }).function.parameters as any
+    const props = (result[0] as { function: { parameters: any } }).function
+      .parameters as any
     expect(props.properties.mode).toEqual({ enum: ['read'] })
     expect(props.properties.mode.const).toBeUndefined()
     expect(props.properties.name).toEqual({ type: 'string' })
@@ -110,8 +115,11 @@ describe('anthropicToolsToOpenAI', () => {
       },
     ]
     const result = anthropicToolsToOpenAI(tools as any)
-    const params = (result[0] as { function: { parameters: any } }).function.parameters as any
-    expect(params.properties.outer.properties.inner).toEqual({ enum: ['fixed'] })
+    const params = (result[0] as { function: { parameters: any } }).function
+      .parameters as any
+    expect(params.properties.outer.properties.inner).toEqual({
+      enum: ['fixed'],
+    })
     expect(params.definitions.MyType.properties.field).toEqual({ enum: [42] })
   })
 
@@ -125,18 +133,17 @@ describe('anthropicToolsToOpenAI', () => {
           type: 'object',
           properties: {
             val: {
-              anyOf: [
-                { const: 'a' },
-                { const: 'b' },
-                { type: 'string' },
-              ],
+              anyOf: [{ const: 'a' }, { const: 'b' }, { type: 'string' }],
             },
           },
         },
       },
     ]
     const result = anthropicToolsToOpenAI(tools as any)
-    const anyOf = ((result[0] as { function: { parameters: any } }).function.parameters as any).properties.val.anyOf
+    const anyOf = (
+      (result[0] as { function: { parameters: any } }).function
+        .parameters as any
+    ).properties.val.anyOf
     expect(anyOf[0]).toEqual({ enum: ['a'] })
     expect(anyOf[1]).toEqual({ enum: ['b'] })
     expect(anyOf[2]).toEqual({ type: 'string' })

packages/@ant/model-provider/src/shared/__tests__/openaiConvertTools.test.ts

@@ -62,16 +62,18 @@ export function anthropicMessagesToOpenAI(
         // A user message starts a new turn if it contains any non-tool_result content
         // (text, image, or other media). Tool results alone do NOT start a new turn
         // because they are continuations of the previous assistant tool call.
-        const startsNewUserTurn = typeof content === 'string'
-          ? content.length > 0
-          : Array.isArray(content) && content.some(
-              (b: any) =>
-                typeof b === 'string' ||
-                (b &&
-                  typeof b === 'object' &&
-                  'type' in b &&
-                  b.type !== 'tool_result'),
-            )
+        const startsNewUserTurn =
+          typeof content === 'string'
+            ? content.length > 0
+            : Array.isArray(content) &&
+              content.some(
+                (b: any) =>
+                  typeof b === 'string' ||
+                  (b &&
+                    typeof b === 'object' &&
+                    'type' in b &&
+                    b.type !== 'tool_result'),
+              )
         if (startsNewUserTurn) {
           turnBoundaries.add(i)
         }
@@ -88,7 +90,8 @@ export function anthropicMessagesToOpenAI(
       case 'assistant':
         // Preserve reasoning_content unless we're before a turn boundary
         // (i.e., from a previous user Q&A round)
-        const preserveReasoning = enableThinking && !isBeforeAnyTurnBoundary(i, turnBoundaries)
+        const preserveReasoning =
+          enableThinking && !isBeforeAnyTurnBoundary(i, turnBoundaries)
         result.push(...convertInternalAssistantMessage(msg, preserveReasoning))
         break
       default:
@@ -101,9 +104,7 @@ export function anthropicMessagesToOpenAI(
 
 function systemPromptToText(systemPrompt: SystemPrompt): string {
   if (!systemPrompt || systemPrompt.length === 0) return ''
-  return systemPrompt
-    .filter(Boolean)
-    .join('\n\n')
+  return systemPrompt.filter(Boolean).join('\n\n')
 }
 
 /**
@@ -131,7 +132,8 @@ function convertInternalUserMessage(
   } else if (Array.isArray(content)) {
     const textParts: string[] = []
     const toolResults: BetaToolResultBlockParam[] = []
-    const imageParts: Array<{ type: 'image_url'; image_url: { url: string } }> = []
+    const imageParts: Array<{ type: 'image_url'; image_url: { url: string } }> =
+      []
 
     for (const block of content) {
       if (typeof block === 'string') {
@@ -141,7 +143,9 @@ function convertInternalUserMessage(
       } else if (block.type === 'tool_result') {
         toolResults.push(block as BetaToolResultBlockParam)
       } else if (block.type === 'image') {
-        const imagePart = convertImageBlockToOpenAI(block as unknown as Record<string, unknown>)
+        const imagePart = convertImageBlockToOpenAI(
+          block as unknown as Record<string, unknown>,
+        )
         if (imagePart) {
           imageParts.push(imagePart)
         }
@@ -158,7 +162,10 @@ function convertInternalUserMessage(
 
     // 如果有图片，构建多模态 content 数组
     if (imageParts.length > 0) {
-      const multiContent: Array<{ type: 'text'; text: string } | { type: 'image_url'; image_url: { url: string } }> = []
+      const multiContent: Array<
+        | { type: 'text'; text: string }
+        | { type: 'image_url'; image_url: { url: string } }
+      > = []
       if (textParts.length > 0) {
         multiContent.push({ type: 'text', text: textParts.join('\n') })
       }
@@ -229,7 +236,9 @@ function convertInternalAssistantMessage(
   }
 
   const textParts: string[] = []
-  const toolCalls: NonNullable<ChatCompletionAssistantMessageParam['tool_calls']> = []
+  const toolCalls: NonNullable<
+    ChatCompletionAssistantMessageParam['tool_calls']
+  > = []
   const reasoningParts: string[] = []
 
   for (const block of content) {
@@ -250,7 +259,8 @@ function convertInternalAssistantMessage(
       })
     } else if (block.type === 'thinking' && preserveReasoning) {
       // DeepSeek thinking mode: preserve reasoning_content for tool call iterations
-      const thinkingText = (block as unknown as Record<string, unknown>).thinking
+      const thinkingText = (block as unknown as Record<string, unknown>)
+        .thinking
       if (typeof thinkingText === 'string' && thinkingText) {
         reasoningParts.push(thinkingText)
       }
@@ -262,7 +272,9 @@ function convertInternalAssistantMessage(
     role: 'assistant',
     content: textParts.length > 0 ? textParts.join('\n') : null,
     ...(toolCalls.length > 0 && { tool_calls: toolCalls }),
-    ...(reasoningParts.length > 0 && { reasoning_content: reasoningParts.join('\n') }),
+    ...(reasoningParts.length > 0 && {
+      reasoning_content: reasoningParts.join('\n'),
+    }),
   }
 
   return [result]

packages/@ant/model-provider/src/shared/openaiConvertMessages.ts

@@ -16,21 +16,27 @@ export function anthropicToolsToOpenAI(
     .filter(tool => {
       // Only convert standard tools (skip server tools like computer_use, etc.)
       const toolType = (tool as unknown as { type?: string }).type
-      return tool.type === 'custom' || !('type' in tool) || toolType !== 'server'
+      return (
+        tool.type === 'custom' || !('type' in tool) || toolType !== 'server'
+      )
     })
     .map(tool => {
       // Handle the various tool shapes from Anthropic SDK
       const anyTool = tool as unknown as Record<string, unknown>
       const name = (anyTool.name as string) || ''
       const description = (anyTool.description as string) || ''
-      const inputSchema = anyTool.input_schema as Record<string, unknown> | undefined
+      const inputSchema = anyTool.input_schema as
+        | Record<string, unknown>
+        | undefined
 
       return {
         type: 'function' as const,
         function: {
           name,
           description,
-          parameters: sanitizeJsonSchema(inputSchema || { type: 'object', properties: {} }),
+          parameters: sanitizeJsonSchema(
+            inputSchema || { type: 'object', properties: {} },
+          ),
         },
       } satisfies ChatCompletionTool
     })
@@ -43,7 +49,9 @@ export function anthropicToolsToOpenAI(
  * support the `const` keyword in JSON Schema. Convert it to `enum` with a
  * single-element array, which is semantically equivalent.
  */
-function sanitizeJsonSchema(schema: Record<string, unknown>): Record<string, unknown> {
+function sanitizeJsonSchema(
+  schema: Record<string, unknown>,
+): Record<string, unknown> {
   if (!schema || typeof schema !== 'object') return schema
 
   const result = { ...schema }
@@ -55,20 +63,37 @@ function sanitizeJsonSchema(schema: Record<string, unknown>): Record<string, unk
   }
 
   // Recursively process nested schemas
-  const objectKeys = ['properties', 'definitions', '$defs', 'patternProperties'] as const
+  const objectKeys = [
+    'properties',
+    'definitions',
+    '$defs',
+    'patternProperties',
+  ] as const
   for (const key of objectKeys) {
     const nested = result[key]
     if (nested && typeof nested === 'object') {
       const sanitized: Record<string, unknown> = {}
       for (const [k, v] of Object.entries(nested as Record<string, unknown>)) {
-        sanitized[k] = v && typeof v === 'object' ? sanitizeJsonSchema(v as Record<string, unknown>) : v
+        sanitized[k] =
+          v && typeof v === 'object'
+            ? sanitizeJsonSchema(v as Record<string, unknown>)
+            : v
       }
       result[key] = sanitized
     }
   }
 
   // Recursively process single-schema keys
-  const singleKeys = ['items', 'additionalProperties', 'not', 'if', 'then', 'else', 'contains', 'propertyNames'] as const
+  const singleKeys = [
+    'items',
+    'additionalProperties',
+    'not',
+    'if',
+    'then',
+    'else',
+    'contains',
+    'propertyNames',
+  ] as const
   for (const key of singleKeys) {
     const nested = result[key]
     if (nested && typeof nested === 'object' && !Array.isArray(nested)) {
@@ -82,7 +107,9 @@ function sanitizeJsonSchema(schema: Record<string, unknown>): Record<string, unk
     const nested = result[key]
     if (Array.isArray(nested)) {
       result[key] = nested.map(item =>
-        item && typeof item === 'object' ? sanitizeJsonSchema(item as Record<string, unknown>) : item
+        item && typeof item === 'object'
+          ? sanitizeJsonSchema(item as Record<string, unknown>)
+          : item,
       )
     }
   }

packages/@ant/model-provider/src/shared/openaiConvertTools.ts

@@ -42,7 +42,10 @@ export async function* adaptOpenAIStreamToAnthropic(
   let currentContentIndex = -1
 
   // Track tool_use blocks: tool_calls index → { contentIndex, id, name, arguments }
-  const toolBlocks = new Map<number, { contentIndex: number; id: string; name: string; arguments: string }>()
+  const toolBlocks = new Map<
+    number,
+    { contentIndex: number; id: string; name: string; arguments: string }
+  >()
 
   // Track thinking block state
   let thinkingBlockOpen = false
@@ -197,7 +200,8 @@ export async function* adaptOpenAIStreamToAnthropic(
 
           // Start new tool_use block
           currentContentIndex++
-          const toolId = tc.id || `toolu_${randomUUID().replace(/-/g, '').slice(0, 24)}`
+          const toolId =
+            tc.id || `toolu_${randomUUID().replace(/-/g, '').slice(0, 24)}`
           const toolName = tc.function?.name || ''
 
           toolBlocks.set(tcIndex, {