Function parseNodeId

frontend/src/edge-resolver.ts:22–32

(id: string)

 * Example: backend/client.py::check::42 → {file: "backend/client.py", func: "check", line: 42}
 */
export function parseNodeId(id: string): { file: string; func: string; line?: number } | null {
    // Split on :: (unambiguous since : is forbidden in filenames)
    const parts = id.split('::');
    if (parts.length < 2) return null;

    const file = parts[0];  // First part is relative file path
    const func = parts[1];  // Second part is function name
    const line = parts[2] ? parseInt(parts[2], 10) : undefined;  // Optional line number

    return { file, func, line: isNaN(line as number) ? undefined : line };
}

/**
 * Convert module notation to file path notation