Remove Azure Speech Services references from documentation

- Update ServiceLogMessages.cs to reference Google Speech-to-Text instead of Azure
- Update Turkish documentation to use Google Speech-to-Text
- Update German documentation to use Google Speech-to-Text
- Update Russian documentation to use Google Speech-to-Text
- Remove Azure Speech Services references from release notes and changelog
- Ensure all documentation reflects current Google Speech-to-Text implementation

Author: byerlikaya

CHANGELOG.md

@@ -19,7 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **Comprehensive XML Documentation**: Complete API documentation for all public classes and methods
 
 ### 🔧 Improved
-- **Audio Processing Pipeline**: Complete replacement of Azure Speech Services with Google Speech-to-Text
+- **Audio Processing Pipeline**: Enhanced audio processing with Google Cloud AI
 - **Configuration Management**: Updated all configuration files to use GoogleSpeechConfig
 - **Error Handling**: Enhanced error handling for audio transcription operations
 - **Documentation**: Updated all language versions with Google Speech-to-Text examples

docs/de/index.md

@@ -173,7 +173,7 @@ var answer = await documentSearchService
                         <i class="fas fa-microphone"></i>
                     </div>
                     <h3>Audiodatei-Unterstützung</h3>
-                    <p>Textextraktion aus Audiodateien und Analyse mit Azure Speech Services.</p>
+                    <p>Textextraktion aus Audiodateien und Analyse mit Google Speech-to-Text.</p>
                 </div>
             </div>
         </div>

docs/ru/index.md

@@ -173,7 +173,7 @@ var answer = await documentSearchService
                         <i class="fas fa-microphone"></i>
                     </div>
                     <h3>Поддержка аудиофайлов</h3>
-                    <p>Извлечение текста из аудиофайлов и анализ с помощью Azure Speech Services.</p>
+                    <p>Извлечение текста из аудиофайлов и анализ с помощью Google Speech-to-Text.</p>
                 </div>
             </div>
         </div>

docs/tr/index.md

@@ -173,7 +173,7 @@ hide_title: true
                         <i class="fas fa-microphone"></i>
                     </div>
                     <h3>Ses Dosyası Desteği</h3>
-                    <p>Azure Speech Services ile ses dosyalarından metin çıkarma ve analiz.</p>
+                    <p>Google Speech-to-Text ile ses dosyalarından metin çıkarma ve analiz.</p>
                 </div>
             </div>
         </div>

src/SmartRAG/Services/ServiceLogMessages.cs

@@ -593,12 +593,12 @@ public static class ServiceLogMessages
         public static readonly Action<ILogger, string, Exception> LogAudioServiceInitialized = LoggerMessage.Define<string>(
             LogLevel.Debug,
             new EventId(80004, "AudioServiceInitialized"),
-            "Azure Speech Service initialized for region: {Region}");
+            "Google Speech-to-Text service initialized");
 
         public static readonly Action<ILogger, Exception> LogAudioServiceInitializationFailed = LoggerMessage.Define(
             LogLevel.Error,
             new EventId(80005, "AudioServiceInitializationFailed"),
-            "Azure Speech Service initialization failed");
+            "Google Speech-to-Text service initialization failed");
 
         public static readonly Action<ILogger, Exception> LogAudioNoMatch = LoggerMessage.Define(
             LogLevel.Warning,

src/SmartRAG/SmartRAG.csproj

@@ -32,7 +32,6 @@
 • Performance optimized audio processing with minimal memory footprint
 
 🔧 Technical Improvements:
-• Complete replacement of Azure Speech Services with Google Speech-to-Text
 • Enhanced audio processing pipeline with Google Cloud AI
 • Updated configuration management with GoogleSpeechConfig
 • Improved error handling for audio transcription operations