style(phpcs): autofix WordPress-Core violations via phpcbf

Run phpcbf --standard=WordPress-Core across includes/, prautoblogger.php,
and uninstall.php. Fixed 1,362 formatting violations in 75 files:
  - Short array syntax: [] → array()
  - Line breaking for long function calls
  - Consistent indentation
  - Function call parameter alignment

No logic changes; purely mechanical formatting.

includes/models/class-content-request.php

@@ -30,7 +30,7 @@ class PRAutoBlogger_Content_Request {
 		int $min_word_count,
 		int $max_word_count,
 		string $niche_description,
-		array $topic_exclusions = [],
+		array $topic_exclusions = array(),
 		string $writing_instructions = ''
 	) {
 		$this->idea                 = $idea;