style(ui): prettier formatting pass over the dashboard

[ryan-crabbe-berri]

Relevant issues

Linear ticket

Refs LIT-3556

Pre-Submission checklist

Please complete all items before asking a LiteLLM maintainer to review your PR

• I have added meaningful tests
• My PR passes all unit tests on make test-unit
• My PR's scope is as isolated as possible; it only solves 1 specific problem
• I have requested a Greptile review by commenting @greptileai and received a Confidence Score of at least 4/5 before requesting a maintainer review

Screenshots / Proof of Fix

Prettier is configured in the UI (.prettierrc, format/format:check scripts) but the codebase had drifted out of compliance. This is a mechanical prettier --write . pass that brings every file into line; it changes formatting only, no logic.

Before, format:check failed on 608 files; after the pass it is clean:

$ npm run format:check   # before
Checking formatting...
[warn] ... 608 files ...
[warn] Code style issues found in 608 files. Run Prettier to fix.

$ npm run format         # prettier --write .
$ npm run format:check   # after
Checking formatting...
All matched files use Prettier code style!

npm ci && npm run build still passes after the pass, confirming nothing broke.

Enforcing the check in CI is intentionally left to a follow-up PR so this one stays a reviewable, logic-free diff.

Type

🧹 Refactoring

Changes

A single formatting-only pass (prettier --write .) over ui/litellm-dashboard, touching 608 files. Reflows, quote normalization, and trailing commas only; no behavior changes. Tailwind class sorting and import sorting were intentionally left out to avoid scope creep.

[greptile-apps]

Too many files changed for review. (610 files found, 100 file limit)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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