nil guard on redacted attrs

nil keyword not null

error_mode set explicitly

error_mode ignore in production

SHA256 hash for emails/IDs

replace_pattern for partial masking

filter processor for full drops

redaction after enrichment

delete_key for never-export attrs

set REDACTED for auth headers

debug exporter for validation

UUID pattern normalization

Numeric ID normalization

nil guard on url.path

nil guard on http.route

limit() for attribute count

truncate_all() for value length

resource processor for static attrs

transform to copy resource to span

error_mode set explicitly

error_mode ignore production

nil keyword not null

UnixNano(Now()) for stale drop

Stale drop uses filter processor

Timestamp backfill observed_time

Timestamp backfill log.time

Enum constant STATUS_CODE_ERROR

IsMatch() for pattern filtering

filter processor for metric drops

nil for absence checks

error_mode set explicitly

error_mode ignore in production

where clause nil guards on attrs