Add support for kebab-case --allowed-tools flag (#581)

- Update parseAllowedTools to accept both --allowedTools and --allowed-tools
- Add regex alternation to support both camelCase and kebab-case variants
- Add test cases for unquoted and quoted kebab-case formats
- All existing tests continue to pass

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <noreply@anthropic.com>

src/modes/agent/parse-tools.ts

@@ -1,10 +1,10 @@
 export function parseAllowedTools(claudeArgs: string): string[] {
-  // Match --allowedTools followed by the value
+  // Match --allowedTools or --allowed-tools followed by the value
   // Handle both quoted and unquoted values
   const patterns = [
-    /--allowedTools\s+"([^"]+)"/, // Double quoted
-    /--allowedTools\s+'([^']+)'/, // Single quoted
-    /--allowedTools\s+([^\s]+)/, // Unquoted
+    /--(?:allowedTools|allowed-tools)\s+"([^"]+)"/, // Double quoted
+    /--(?:allowedTools|allowed-tools)\s+'([^']+)'/, // Single quoted
+    /--(?:allowedTools|allowed-tools)\s+([^\s]+)/, // Unquoted
   ];
 
   for (const pattern of patterns) {