Backport: fix(ai): update docs for NoSpeechGeneratedError and export it (#8967)

This is an automated backport of #8512 to the release-v5.0 branch.

Co-authored-by: Phantom <59059173+EurFelux@users.noreply.github.com>
Co-authored-by: Gregor Martynus <39992+gr2m@users.noreply.github.com>

Author: 3 people

.changeset/late-emus-explode.md

@@ -0,0 +1,5 @@
+---
+'ai': patch
+---
+
+fixed docs and exported NoSpeechGeneratedError

content/docs/03-ai-sdk-core/37-speech.mdx

@@ -114,7 +114,7 @@ const warnings = audio.warnings;
 
 ### Error Handling
 
-When `generateSpeech` cannot generate a valid audio, it throws a [`AI_NoAudioGeneratedError`](/docs/reference/ai-sdk-errors/ai-no-audio-generated-error).
+When `generateSpeech` cannot generate a valid audio, it throws a [`AI_NoSpeechGeneratedError`](/docs/reference/ai-sdk-errors/ai-no-speech-generated-error).
 
 This error can arise for any the following reasons:
 
@@ -129,7 +129,7 @@ The error preserves the following information to help you log the issue:
 ```ts
 import {
   experimental_generateSpeech as generateSpeech,
-  AI_NoAudioGeneratedError,
+  NoSpeechGeneratedError,
 } from 'ai';
 import { openai } from '@ai-sdk/openai';
 
@@ -139,8 +139,8 @@ try {
     text: 'Hello, world!',
   });
 } catch (error) {
-  if (AI_NoAudioGeneratedError.isInstance(error)) {
-    console.log('AI_NoAudioGeneratedError');
+  if (NoSpeechGeneratedError.isInstance(error)) {
+    console.log('AI_NoSpeechGeneratedError');
     console.log('Cause:', error.cause);
     console.log('Responses:', error.responses);
   }

content/docs/07-reference/05-ai-sdk-errors/ai-no-audio-generated-error.mdx

@@ -0,0 +1,25 @@
+---
+title: AI_NoSpeechGeneratedError
+description: Learn how to fix AI_NoSpeechGeneratedError
+---
+
+# AI_NoSpeechGeneratedError
+
+This error occurs when no audio could be generated from the input.
+
+## Properties
+
+- `responses`: Array of responses
+- `message`: The error message
+
+## Checking for this Error
+
+You can check if an error is an instance of `AI_NoSpeechGeneratedError` using:
+
+```typescript
+import { NoSpeechGeneratedError } from 'ai';
+
+if (NoSpeechGeneratedError.isInstance(error)) {
+  // Handle the error
+}
+```

content/docs/07-reference/05-ai-sdk-errors/ai-no-speech-generated-error.mdx

@@ -20,7 +20,7 @@ collapsed: true
 - [AI_LoadAPIKeyError](/docs/reference/ai-sdk-errors/ai-load-api-key-error)
 - [AI_LoadSettingError](/docs/reference/ai-sdk-errors/ai-load-setting-error)
 - [AI_MessageConversionError](/docs/reference/ai-sdk-errors/ai-message-conversion-error)
-- [AI_NoAudioGeneratedError](/docs/reference/ai-sdk-errors/ai-no-audio-generated-error)
+- [AI_NoSpeechGeneratedError](/docs/reference/ai-sdk-errors/ai-no-speech-generated-error)
 - [AI_NoContentGeneratedError](/docs/reference/ai-sdk-errors/ai-no-content-generated-error)
 - [AI_NoImageGeneratedError](/docs/reference/ai-sdk-errors/ai-no-image-generated-error)
 - [AI_NoTranscriptGeneratedError](/docs/reference/ai-sdk-errors/ai-no-transcript-generated-error)

content/docs/07-reference/05-ai-sdk-errors/index.mdx

@@ -21,6 +21,7 @@ export { NoImageGeneratedError } from './no-image-generated-error';
 export { NoObjectGeneratedError } from './no-object-generated-error';
 export { NoOutputGeneratedError } from './no-output-generated-error';
 export { NoOutputSpecifiedError } from './no-output-specified-error';
+export { NoSpeechGeneratedError } from './no-speech-generated-error';
 export { NoSuchToolError } from './no-such-tool-error';
 export { ToolCallRepairError } from './tool-call-repair-error';
 export { UnsupportedModelVersionError } from './unsupported-model-version-error';