Module json_path 

JSONPath evaluator and path mapper for frame selection and field extraction

Inspired by ai-lib’s PathMapper implementation, with support for:

• Nested path access (e.g., “a.b.c”)
• Array indexing (e.g., “choices[0].delta.content”)
• Condition evaluation (exists, ==, !=, in, &&, ||, >, <, >=, <=)
• Regular expression matching

Structs

JsonPathEvaluator

JSONPath evaluator for condition matching Supports: exists, ==, !=, in, &&, ||, >, <, >=, <=, regex

PathMapper

Path mapper for extracting and setting values in JSON using dot-notation paths

Enums

PathMapperError

Path mapper error