FastMCP 2.0 transport inference fails with Python command strings

Issue

The system encountered an initialization error when attempting to start service clients, causing failures during the startup phase of the orchestrator component. The error prevented the system from launching correctly, resulting in the inability to process video generation tasks.

Culprit

The issue arose from a change in the transport inference mechanism of a dependency used for service client initialization. Previous versions of the system relied on a syntax that included command strings to specify how to execute scripts. However, the updated version of the dependency introduced stricter type-based inference, requiring direct file paths without command prefixes. This led to compatibility issues when the system attempted to initialize clients using outdated syntax.

Solution

Updated Client Initialization

The client initialization process was revised to use direct file paths instead of command strings. This ensures compatibility with the updated transport inference mechanism and allows the system to correctly identify and execute scripts.

Key Changes

1. Removed Command Prefixes: The system no longer includes command prefixes (e.g., python) when specifying script paths.
2. Simplified Path Handling: File paths are now passed directly, relying on the updated system to infer the appropriate transport method based on file extensions and context.
3. Automatic Transport Detection: The system leverages built-in capabilities to detect the appropriate execution method for scripts, ensuring seamless operation across different transport types.

The solution ensures that the system can correctly initialize service clients and proceed with video generation tasks without encountering transport-related errors.