* 🧹 chore: Remove Comments and Cleanup base64 handling for Azure Mistral OCR
* chore: Remove unnecessary await from MCP instructions formatting in AgentClient
* ci: Update document_url regex in MistralOCR tests to support PDF format
* 🧹 chore: Remove Comments and Cleanup base64 handling for Azure Mistral OCR
* chore: Remove unnecessary await from MCP instructions formatting in AgentClient
* ci: Update document_url regex in MistralOCR tests to support PDF format