Don’t run redirect code on CLI usage

[johngodley]

Redirects are still processed when used via cron script, causing problems depending on settings. This PR doesn't run the redirect code in those cases

[Copilot]

Pull request overview

Adds a guard so that Redirection's front-end redirect logic does not execute when WordPress is bootstrapped from a plain PHP CLI context (e.g. cron scripts that load wp-load.php directly). Without the guard, a matched rule or canonical redirect would invoke wp_redirect() followed by die(), silently terminating the CLI process.

Changes:

• Add new red_is_cli() helper that returns true when PHP_SAPI === 'cli' (distinct from WP-CLI detection).
• Early-return from WordPress_Module::canonical_domain() and WordPress_Module::init() when running under plain PHP CLI.
• Add .agents and /CLAUDE.md to .gitignore.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
redirection.php	Introduces red_is_cli() SAPI-based helper with docblock.
modules/wordpress.php	Skips canonical and main redirect loops when in plain PHP CLI to avoid die() terminating cron scripts.
.gitignore	Ignores local .agents directory and CLAUDE.md notes file.

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