Trace skipped X-Remap injection - #13565
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Add debug breadcrumbs when xdebug skips X-Remap injection because snprintf fails or returns an empty value, and when the generated value is truncated to the fixed buffer. This makes the secured formatting path easier to diagnose without changing header behavior.
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Add debug breadcrumbs when xdebug skips X-Remap injection because snprintf fails or returns an empty value, and when the generated value is truncated to the fixed buffer. This makes the secured formatting path easier to diagnose without changing header behavior.