Helper function to calculate cosine similarity between two embeddings

Helper to create JSON schema for simple object parameters Usage: auto schema = create_object_schema({{"location", "string"}, {"units", "string"}});

Helper function to create a simple tool with JSON schema Usage: auto weather_tool = create_tool("Get weather", weather_schema, weather_function);

Parse a generic error response that follows the common pattern of { "error": { "message": "...", "type": "..." } }

Helper function to extract embedding as a vector of doubles

Check if an HTTP status code indicates a retryable error

Utility function to generate random suffix for table names

Build a span-create event body. Used for both tool-call starts (open span) and the synthetic span emitted in record_tool_call_finish's fallback path.

Convert MessageRole enum to string representation

Run a command and handle errors with rich output.

Check if a file is properly formatted.

Helper function to create an async tool

Strip the scheme prefix off a Langfuse host URL and return the leading sub-path (everything after the host[:port], e.g. "/langfuse" if hosted under a

Find compile_commands.json in build directory or project root.

Find all C++ source and header files in the project.

Find all C++ source files in the project.

Format a file in place.