# Error Format Extensions DOX ## Purpose - Own backend error formatting and masking before errors are shown or logged. ## Ownership - Ordered Python files own mutation of error-format data passed by the hook. ## Local Contracts - Preserve secret masking and safe user-facing error messages. - Do not expose raw tokens, credentials, hidden prompts, or private payloads. ## Work Guidance - Keep masking rules conservative and synchronized with tool/model error surfaces. ## Verification - Test or inspect representative masked and unmasked error paths after changes. ## Child DOX Index No child DOX files.