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Add changelog for 2025-02-17 to 2025-02-18 #6

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20 changes: 20 additions & 0 deletions docs/changelogs/2025-02-18.md
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# Changelog (2025-02-17 - 2025-02-18)

## Overview
This release focuses on enhancing error handling, improving speech processing and TTS streaming, and refining logging and telemetry capabilities. These changes aim to increase system robustness, performance, and observability.

## 🐛 Bug Fixes
• Improved handling of speech transcription and text-to-speech (TTS) streaming in the `TaskGather` and `TtsStreamingBuffer` classes. This includes addressing issues with incomplete data capture and refining low-confidence speech recognition events. [🔗](https://github.com/quantstruct/jambonz-feature-server/commit/122d267816879fb515d128522e44aef50a1641c9)

## ⚡ Performance Improvements
• Refactored the TTS streaming buffer to use a structured queue for managing text tokens, enhancing the buffer's ability to handle high water marks and process flush commands correctly. This change improves the reliability and efficiency of TTS streaming. [🔗](https://github.com/quantstruct/jambonz-feature-server/commit/122d267816879fb515d128522e44aef50a1641c9)

## 📚 Documentation
• Reduced logging for normalized transcripts to avoid clutter, improving the clarity of logs related to speech processing. [🔗](https://github.com/quantstruct/jambonz-feature-server/commit/122d267816879fb515d128522e44aef50a1641c9)

## 🔧 Maintenance
• Enhanced the `updateCall` method in `call-session.js` by wrapping logic in a `try-catch` block to improve error handling and prevent application crashes. This change increases robustness and reliability in call session management. [🔗](https://github.com/quantstruct/jambonz-feature-server/commit/e8a7366526bc1db785f809875281766d938a892a)

• Updated the `_addStreamingTtsAttributes` method in `lib/tasks/say.js` to accept a `vendor` parameter, allowing for more granular logging of TTS response times with vendor-specific tags. This enhances telemetry and monitoring capabilities. [🔗](https://github.com/quantstruct/jambonz-feature-server/commit/33bca8e67c8f29bd86558f2831e8fb80b5074c1f)

• Improved error handling and control flow logic in the `TaskDial` class within `lib/tasks/dial.js`. This includes clearer error logging and refined loop conditions to ensure correct task execution. [🔗](https://github.com/quantstruct/jambonz-feature-server/commit/9c05fd3deba941637b3f1bd2d83ace2652d050a6)