bench: MobileApp practical GraphQL benchmark

[TinyKitten]

Temporary benchmark-only PR. Replays TrainLCD/MobileApp GraphQL documents against production and staging under matched physical scenarios, equal warmups/samples, alternating request order, and response-size/error checks. Not intended to merge.

[coderabbitai]

Important

Review skipped

Draft detected.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 8453a962-d8f5-48a9-94f9-50eea3a669c1

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

Warning

Billing warning: we have not been able to collect payment for this subscription for more than 72 hours. Please update the payment method or pay any pending invoices in Billing to avoid service interruption.

---

_{Comment @coderabbitai help to get the list of available commands.}