Fix AWS Bedrock models not receiving uploaded document content (#9337)

* Initial plan

* Add file content processing to AWS Bedrock client convertMessageToSdkParam method

Co-authored-by: caozhiyuan <3415285+caozhiyuan@users.noreply.github.com>

* Fix file content format to match other AI clients and update tests

Co-authored-by: caozhiyuan <3415285+caozhiyuan@users.noreply.github.com>

* Update src/renderer/src/aiCore/clients/aws/AwsBedrockAPIClient.ts

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: caozhiyuan <3415285+caozhiyuan@users.noreply.github.com>
Co-authored-by: Phantom <59059173+EurFelux@users.noreply.github.com>

src/renderer/src/aiCore/clients/aws/AwsBedrockAPIClient.ts

@@ -19,6 +19,7 @@ import { estimateTextTokens } from '@renderer/services/TokenService'
 import {
   Assistant,
   EFFORT_RATIO,
+  FileTypes,
   GenerateImageParams,
   MCPCallToolResponse,
   MCPTool,
@@ -53,7 +54,7 @@ import {
   mcpToolCallResponseToAwsBedrockMessage,
   mcpToolsToAwsBedrockTools
 } from '@renderer/utils/mcp-tools'
-import { findImageBlocks } from '@renderer/utils/messageUtils/find'
+import { findImageBlocks, findFileBlocks } from '@renderer/utils/messageUtils/find'
 import { t } from 'i18next'
 
 import { BaseApiClient } from '../BaseApiClient'
@@ -683,6 +684,30 @@ export class AwsBedrockAPIClient extends BaseApiClient<
       }
     }
 
+    // 处理文件内容
+    const fileBlocks = findFileBlocks(message)
+    for (const fileBlock of fileBlocks) {
+      const file = fileBlock.file
+      if (!file) {
+        logger.warn(`No file in the file block. Passed.`, { fileBlock })
+        continue
+      }
+
+      if ([FileTypes.TEXT, FileTypes.DOCUMENT].includes(file.type)) {
+        try {
+          const fileContent = (await window.api.file.read(file.id + file.ext, true)).trim()
+          if (fileContent) {
+            parts.push({
+              text: `${file.origin_name}\n${fileContent}`
+            })
+          }
+        } catch (error) {
+          logger.error('Error reading file content:', error as Error)
+          parts.push({ text: `[File: ${file.origin_name} - Failed to read content]` })
+        }
+      }
+    }
+
     // 如果没有任何内容，添加默认文本而不是空文本
     if (parts.length === 0) {
       parts.push({ text: 'No content provided' })