[Release] Finalize app title, package identity, and public naming

[jjoonleo]

Backlog ID: ISSUE-014
Source: plans/release_app_todos.md

Goal

Lock the public identity before first Play upload.

Parallelization

Status: codex-ready

Prerequisites

• None

Acceptance criteria

• Confirm final app name is OnTime or document any requested change.
• Confirm Android application id remains club.devkor.ontime.
• App label, launcher icon, Play listing title, screenshots, and privacy policy use the same public naming.
• Any naming mismatch is fixed before release.

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.