fix(audit): declare the partial flag on discord.role_changed

[guarzo]

Found while auditing the Details column for #215, fixed separately because it is
a different action and a different mechanism.

The bug

discord.role_changed has two writers, and both stamp a partial key on every
row:

• src/jobs/discord-roles.ts:143 — the deprovision path, writing
  { removed, cause, partial }
• src/jobs/discord-roles.ts:369 — the main sweep, writing
  { added, removed, tier, partial }

The PARTS entry declared added, removed, tier, and cause — not
partial. summarizeDetails counts undeclared keys toward the hidden-key
total, so every role-change row rendered a +1 more with nothing behind it.

Two costs. The +1 more was pure noise on rows where nothing was hidden, which
trains an admin to ignore the marker. And a row that was genuinely partial —
some roles failed to apply — announced that fact only as the same opaque count
it showed on every complete row, so the one case worth noticing was
indistinguishable from the noise.

The fix

One flag("partial", "partial") added to the declaration.

flag rather than scalar: it renders the word only when the value is truthy
while declaring the key either way, so complete rows say nothing instead of
carrying a partial false that would be noise on the overwhelming majority.
Placed last because it qualifies the whole change rather than naming a part of
it, and declared parts are never truncated (summarize.ts:405-407), so trailing
costs it no visibility.

Verification

Written test-first — the three new cases fail against the unfixed code:

AssertionError: expected '+alumni' to be '+alumni, partial'
AssertionError: expected '+alumni, +1 more' to be '+alumni'
AssertionError: expected '+alumni, +2 more' to be '+alumni, +1 more'

That last one is the bug stated precisely: partial inflating the hidden count
past the one key that was genuinely undeclared. All three pass after the change.

npm run typecheck, npm run lint, npm run format:check clean.
npm test → 92 files, 1490 tests passing. npm run build succeeds.

Scope

This fixes the one action. I did not systematically audit the other ~50
logAudit payload sites for the same declared-vs-written drift — that is a
broader sweep worth doing on its own, and the same class of bug would be
invisible in exactly the same way anywhere else it exists.

Touches summarize.ts alongside #215, but in a different region of PARTS
(the discord.* entries rather than the character-id ones). Either order
merges.

Summary by CodeRabbit

• Bug Fixes

  • Audit summaries now display the partial indicator only when applicable.
  • Prevented the partial field from being incorrectly counted as an undisclosed change when false.

• Tests

  • Added coverage for true, false, and undeclared audit fields.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: d3534b19-4d3e-46a3-a422-6e4d8d92e258

📥 Commits

Reviewing files that changed from the base of the PR and between f978dbd and 3282f93.

📒 Files selected for processing (2)

• src/app/admin/audit/summarize.ts
• tests/audit-summarize.test.ts

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📝 Walkthrough

Walkthrough

The discord.role_changed audit summary now treats partial as a declared conditional field. Tests verify output for true, false, and undeclared fields.

Changes

Role change audit summaries

Layer / File(s)	Summary
Handle conditional partial fields src/app/admin/audit/summarize.ts, tests/audit-summarize.test.ts	At src/app/admin/audit/summarize.ts:327-339, partial renders only when true. Tests at tests/audit-summarize.test.ts:227-259 verify false values remain silent and undeclared fields count as hidden.

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

Possibly related PRs

• guarzo/authGD#102: Introduced the related discord.role_changed summarization logic and tests.
• guarzo/authGD#163: Modified Discord role auditing in the same code domain.

Poem

A partial flag joins the role-change tale,
True is shown; false stays pale.
Hidden fields now count with care,
Clear audit summaries fill the air.

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title uses valid Conventional Commit syntax and describes the fix, but its summary names the implementation mechanism instead of the user-visible rendering effect.	Change the summary to describe the user-visible effect, such as removing the misleading +1 more marker from role-change audit details.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description check	✅ Passed	The description clearly explains the bug, fix, tests, verification, and scope, although it does not use all template headings and repeats CI checks.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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