Enhance post_update_to_api robustness and observability: add debug traces for entry, missing curl, duplicate submissions, DIAGNOSTICS/RANDOM_UUID checks, payload/URL output, and HTTP response code capture; make curl non-blocking and tolerant of failures. Also invoke post_update_to_api on installation failure so build/install errors are reported to telemetry. Includes a small comment glyph fix in build.func. Changes keep telemetry as a silent, best-effort path that won't break script execution.
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