fix: resolve NonSingularStringLiteral errors

[masteradhoc]

Resolves PHPCS WordPress.WP.I18n violations where dynamic values were incorrectly passed to translation functions.

InitOptions.php

• Removed redundant __() wrapper from the context argument of _x() — the context must be a plain string literal, not a translated string.

API.php

• Replaced esc_attr_e( $var, 'domain' ) and esc_html_e( $var, 'domain' ) with echo esc_attr( $var ) / echo esc_html( $var ) for values that are not translatable (HTML element IDs, slugs, and computed strings like implode()).

No functional changes — output is identical.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: d2bd2eb6-f809-4aba-bb79-8fc0a8be5b4e

📥 Commits

Reviewing files that changed from the base of the PR and between c2fc480 and 3f33ddd.

📒 Files selected for processing (2)

• src/Admin/Settings/API.php
• src/InitOptions.php

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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