fix: raise session-start's PR limit above gh's own default, and restore the truncation caveat

[topij]

Closes #237.

The bug

The shipped gather ran:

gh pr list --state open --json … --limit 20

That is below the default it was presumably meant to control:

$ gh pr list --help
  -L, --limit int   Maximum number of items to fetch (default 30)
$ gh --version
  gh version 2.96.0 (2026-07-02)

So the explicit flag made the sweep narrower than passing nothing at all.

The fix, in two separable parts

The number is now 100, matching the ancestor this workflow was generalized out
of.

The caveat matters more, because it survives any choice of number: gh pr list
reports nothing when it truncates, so a full page has to be treated as truncated
and re-run higher. That sentence existed in the ancestor and was lost in the
extraction.

Why it is not cosmetic: this list is the entire input to the 🔴 bucket's PR
items. A PR past the cutoff is not under-reported, it is invisible — and the ones
above it render as though they were all of them, which is a briefing that is
confidently wrong rather than visibly incomplete.

The What it reads row now points at the gather instead of naming a bare
gh pr list.

The survey half — the part that made this more than a one-line edit

#237 asked for the four shared workflow docs to be diffed against the cs-toolkit
adapters they were generalized out of, "even if the result is 'nothing else'".
Done. This was the only substantive drop.

workflow	result
session-start	this, plus one whole missing step — already shipped as #238
parallel	clean. Stale-premise pre-flight survived intact (parallel.md:89); the lane-contract preamble moved to parallel-headless.md rather than being dropped
pr-watch	kit is ahead of its ancestor — it gained the draft-bit-flags section, a fuller --mark-seen contract, and the gh-less REST fallback in Notes
wrap-up	clean. Every ancestor step has a counterpart except docs/user/dashboard-snapshot.md, which is project-specific and correctly absent

One correction to that survey, recorded rather than buried

A probe for gh pr ready returned zero hits in the kit's wrap-up and looked
like a second drop. It is not one. The kit says "mark the PR ready … and run the
watch-and-fix loop (pr-watch)" at wrap-up.md:141 — generalized deliberately,
because vcs.forge is configurable and a literal gh command would be wrong for a
GitLab adopter.

The probe was too literal. Reporting its zero as a finding would have been exactly
the failure this repo keeps logging — a check that never reached its subject,
returning the answer that looked like a result.

Verification

claim	how
gh pr list defaults to 30	gh pr list --help on gh 2.96.0, quoted above rather than recalled
suite green	make test → 721 passed
manifest fresh	python scripts/kit_doctor.py → 32 unchanged, 0 differ, 0 missing

What this does not establish: as with #238, this is prose an agent executes
and no test in this repo runs it. The make test green means the regenerated
manifest is consistent and nothing else broke — it says nothing about whether the
guidance is right.

Summary by CodeRabbit

• Documentation
  • Improved session-start guidance for retrieving complete pull request results.
  • Added instructions to detect potentially truncated results and rerun searches with a higher limit.
  • Clarified how omitted pull requests affect prioritization and automation attribution.
• Chores
  • Updated the kit manifest to reflect the documentation changes.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 55ce091e-7b74-499c-aa90-a0af39c035ef

📥 Commits

Reviewing files that changed from the base of the PR and between b5b9547 and 9d35d45.

📒 Files selected for processing (2)

• docs/agentic-dev-kit/workflows/session-start.md
• kit-manifest.json

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📝 Walkthrough

Walkthrough

The session-start workflow now queries up to 100 open pull requests, detects potentially truncated results, and explains the effect on 🔴 prioritization. The manifest records the updated workflow hash.

Changes

Session-start PR gathering

Layer / File(s)	Summary
Open PR query and manifest update docs/agentic-dev-kit/workflows/session-start.md, kit-manifest.json	The workflow uses --limit 100, re-runs the query when 100 results may indicate truncation, documents the effect on 🔴 PR candidates, and updates the recorded SHA-256 hash.

Estimated code review effort: 1 (Trivial) | ~5 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the two primary changes: increasing the PR limit and restoring truncation guidance.
Linked Issues check	✅ Passed	The changes satisfy #237 by setting the limit to 100, restoring truncation guidance, updating the gather reference, and recording ancestor comparisons.
Out of Scope Changes check	✅ Passed	The changes remain within #237 scope and include only the required workflow updates and manifest hash change.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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