docs(examples): add lab-grading pipeline demo (Stage G) - #31
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The cecs-378-demo walked the exam/term/gradebook flow but had zero coverage of the
lab-grading pipeline (reg-lab-recon → reg-lab-digest → reg-lab-report), which is now
a first-class part of lectern. This adds a runnable Stage G.
- lab-demo.{recon,rubric,report}.yaml — the three manifests
- recon-lab-demo/ — a pre-built synthetic recon bundle: 10 Batman-cast students on a
buffer-overflow lab (autograded Phase Φ/Ω + 30-pt writeup), cohort.csv (with the
`cleared` column), FACTS.md, per-repo JSON, 9 fabricated writeups, plus the
digest/report outputs (tasks, results, merged cohort, REPORT.md, FEEDBACK_LOG.md).
- README Stage G (steps 15-17): reg-lab-digest emit/merge, reg-lab-report render +
deliver --dry-run — all runnable offline. recon + deliver --execute documented under
live-infra.
The bundle is designed to exercise the two recent report features end-to-end: the
**ward-clear funnel** (Φ 8 / Ω 5, from the `cleared` column) and the **per-student
feedback scaffold** — graded rows, an ungraded `_Comments:_` placeholder (Jason Todd),
and a `_no submission_` row (Selina Kyle). Entirely synthetic (Gotham-CECS org, fake
addresses/flags); safety-scanned for real-data leakage.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DgwGhcukacF1jm7VX8cm5R
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What
The
examples/cecs-378-demo/walkthrough covered the exam/term/gradebook flow but had no coverage of the lab-grading pipeline (reg-lab-recon→reg-lab-digest→reg-lab-report) — now a first-class part of lectern. This adds a runnable Stage G.lab-demo.{recon,rubric,report}.yaml— the three manifestsrecon-lab-demo/— a pre-built synthetic recon bundle: 10 Batman-cast students on a buffer-overflow lab (autograded Φ/Ω + 30-pt writeup),cohort.csv(withcleared),FACTS.md, per-repo JSON, 9 fabricated writeups, and the digest/report outputsreg-lab-digest emit/merge,reg-lab-report render+deliver --dry-run— all runnable offline;reconanddeliver --executedocumented under live-infraWhy it's shaped this way
The bundle exercises the two recent report features end-to-end:
clearedcolumn_Comments:_placeholder (Jason Todd), and a_no submission_row (Selina Kyle)Safety
Entirely synthetic: fictional
Gotham-CECSorg, fabricated writeups with fake0xffffaddresses andCECS378{…}flags, invented autograde/commit metadata. Scanned for real SIDs / org / names / hostnames — clean. Output verified reproducible (renderis byte-stable).🤖 Generated with Claude Code
https://claude.ai/code/session_01DgwGhcukacF1jm7VX8cm5R