Fix repo-wide lint failure: sort package.json for ultracite 7.10

[adamXbot]

Fix the repo-wide quality failure

pnpm lint has failed on every branch including main since #154. One-file fix.

Cause

#154 (Renovate, "update all non-major dependencies") raised ultracite 7.9.4 → 7.10.0, which added the assist/source/useSortedPackageJson rule. The repo's package.json doesn't satisfy it:

package.json:1:1 assist/source/useSortedPackageJson  FIXABLE
  × package.json fields can be organized.

main's own package.json reproduces it — I checked it in isolation. None of the open PRs touch that file, so #162, #163 and #164 are all inheriting the failure, not causing it. Their other 7 checks pass.

This is the second CI break from that single PR. It also bumped packageManager to pnpm@11.18.0, whose default 24-hour minimumReleaseAge then rejected the ultracite version the same commit introduced — that one cleared itself once the package aged out. #154 was merged with a red quality job, which is how both landed.

Why sort rather than disable the rule

biome.jsonc does turn off the sibling useSortedKeys, so there's precedent — but its two stated reasons don't carry here. The non-negotiable one is that object key order is observable in persisted snapshot_json, where getChangelog compares wayback and live rows byte-identically; package.json isn't in that path. The other is churn across ~600 files, and this is one file.

A rule that's merely opinionated isn't worth a config exception.

The change is purely a reordering — keys, values, scripts, dependencies and devDependencies all compare equal to the previous file.

Verification

• biome check package.json → clean
• biome check package.json biome.jsonc tsconfig.json app lib tests scripts locales → 651 files, no fixes
• tsc clean, 444 unit tests pass

Note on how I missed this

My per-pass verification ran biome check app/ lib/ tests/ scripts/, which never included the repo-root package.json — so I reported "lint clean" on branches whose quality job was red. A pathless ultracite check would have caught it, but it can't be used here: biome.jsonc excludes **/.claude, and this work happens in a worktree under .claude/worktrees/, so a pathless run reports "Checked 0 files". I've been passing explicit paths for that reason, and the path list was incomplete.

Merging

Once this lands, #162/#163/#164 need main merged in (or the Update branch button) to pick it up and re-run.

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