Feat: Implemented advanced settings for Claude Code AI provider (#872)

* Feat: Implemented advanced settings for Claude Code AI provider

- Added new 'claudeCode' property to default config
- Added getters and validation functions to 'config-manager.js'
- Added new 'isEmpty' utility to 'utils.js'
- Added new constants file 'commands.js' for AI_COMMAND_NAMES
- Updated Claude Code AI provider to use new config functions
- Updated 'claude-code-usage.md' documentation
- Added 'config-manager.test.js' tests to cover new settings

* chore: run format

---------

Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com>

scripts/modules/utils.js

@@ -1012,6 +1012,21 @@ function truncate(text, maxLength) {
 	return `${text.slice(0, maxLength - 3)}...`;
 }
 
+/**
+ * Checks if array or object are empty
+ * @param {*} value - The value to check
+ * @returns {boolean} True if empty, false otherwise
+ */
+function isEmpty(value) {
+	if (Array.isArray(value)) {
+		return value.length === 0;
+	} else if (typeof value === 'object' && value !== null) {
+		return Object.keys(value).length === 0;
+	}
+
+	return false; // Not an array or object, or is null
+}
+
 /**
  * Find cycles in a dependency graph using DFS
  * @param {string} subtaskId - Current subtask ID
@@ -1373,6 +1388,7 @@ export {
 	formatTaskId,
 	findTaskById,
 	truncate,
+	isEmpty,
 	findCycles,
 	toKebabCase,
 	detectCamelCaseFlags,