[Release] Create Play review rejection response playbook

[jjoonleo]

Backlog ID: ISSUE-029
Source: plans/release_app_todos.md

Goal

Define how the team responds if Google Play rejects the app.

Parallelization

Status: codex-ready

Prerequisites

• None

Acceptance criteria

• Define owner for monitoring Play Console review status and policy emails.
• Checklist captures rejection reason, affected policy, screenshots, build number, reviewer notes, and submitted declarations.
• Document when to fix/resubmit versus appeal.
• Provide a short appeal-response template tied to facts and implemented fixes.

Codex thread guidance

• Work only on this issue's scope.
• Do not modify unrelated release issues.
• If this issue is blocked by external access or human approval, prepare the needed checklist/text and leave the issue open.
• This issue is intended to be safe for an independent Codex thread now.