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Vance IngallsandClaude Fable 5
1005703441
Default-on drawElement ships with a runtime self-verification net (#1998); this makes its in-the-wild behavior observable. Every render_complete event now answers: which capture mode actually ran, why drawElement disengaged when it did (compile gate / producer clamp / engine init gate), whether the self-verify net fired and why, and how much margin verification had. Follows the static-dedup telemetry pattern: engine session fields → CapturePerfSummary → RenderPerfSummary.drawElement → snake_case props on render_complete. New event props: de_capture_mode, de_compile_gate, de_clamp_reason, de_gate_reason, de_worker_encode, de_verify_armed, de_verify_checked, de_verify_min_db (margin above the 32dB threshold — drift here is the early-warning signal before fallbacks spike), de_verify_init_ms, de_self_verify_fallback, de_fallback_reason, de_blank_suspects, de_blank_deterministic_accepts, de_blank_recaptures, de_boundary_frames, de_ncpr_fallbacks. Validated end-to-end on live renders: drawelement path reports mode/verify counters/minDb/init cost; a blur-gated comp reports mode=screenshot + gate_reason=css_effect:filter; a forced verification failure reports self_verify_fallback=true + fallback_reason=psnr. Co-authored-by: Claude Fable 5 <noreply@anthropic.com>