Multimedia Studio & Agent Improvements

Multimedia Connector Selector — Choose which connector to use for image, video, and TTS generation. No more guessing when you have multiple API keys for the same vendor.
Audio Streaming — Basic audio streaming support for text-to-speech during agent conversations.
Voiceover Playback — Agents can speak responses aloud with TTS. Toggle speaker icon in chat, skip mid-sentence, supports multiple formats (MP3, Opus, AAC, FLAC, WAV).
Tool Categories & Catalog — Reorganized tool system with categories (filesystem, web, code, desktop, etc.) and dynamic tool catalog for agents.
Routine Tools Migration — Routine execution tools updated to the new tool registration system.
Better Agent Error Handling — Improved error messages and recovery when agents encounter issues during execution.
User Info Plugin — New agent context plugin for persistent user preferences across sessions.
Chat History Page — Browse and search past conversations.