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Record metadata
"@context":
  - https://chris-page-gov.github.io/okf-explorer/profile/bundle-wiki/v1/context.jsonld
  - https://chris-page-gov.github.io/okf-explorer/profile/bundle-wiki/v1/semantic-context.jsonld
"@id": https://chris-page-gov.github.io/okf-explorer/docs/postmortems/heritage-foundry-2026/index.html
"@type": https://schema.org/Report
type: Report
title: "Heritage Evaluation Foundry engineering postmortem"
description: "Evidence-backed process analysis, complete trace and selective-rerun implementation register."
generated:
  by: process:heritage-foundry-postmortem-builder
  at: "2026-08-04T13:16:54Z"
assertion_status: normalized
assertion_scope: real-world
tags:
  - postmortem
  - evaluation-foundry
  - process-improvement

Heritage Evaluation Foundry Engineering Postmortem

This package reconstructs the Coventry and Warwickshire heritage exemplar from the task conversation, local Git history, three pull requests, six GitHub Actions baseline runs, three retained Pages artifacts, nine R1/terminal/R2 closure runs and both immutable release closures.

Start Here

Headline Measures

Measure Value Definition
Original PR/Pages runs 6 All successful, all attempt 1
R1/terminal/R2 attempts 9 5 passed; 4 failed closed
GitHub workflow wall time 43m 41s Three CI plus three Pages runs
PR file touches 4,280 Includes repeated generated files
Late findings reconstructed 13 Local audits and public gates
Historical central Site 14,010 files 987,329,754 bytes at PR #69
Visible prompt-response exchanges 8 309 Codex responses at extraction

Prompt-Response Exchanges

Exchange Prompt Responses
EX-0001 Assess access and define the heritage Evaluation Foundry 6
EX-0002 Explain the separate tiny assurance fixture 1
EX-0003 Implement and publish the complete heritage exemplar 5
EX-0004 Correct the GitHub authentication diagnosis 131
EX-0005 Confirm graph browsing cannot mutate the bundle 54
EX-0006 Create the end-to-end engineering postmortem 16
EX-0007 Resolve the postmortem architecture questions 1
EX-0008 Implement every recommended refactoring and publication control 95

Machine-Readable Registers