bug #817 Fix typo in CLAUDE.md file (hhamon)

This PR was merged into the main branch.

Discussion
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 Fix typo in `CLAUDE.md` file

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Docs?         | no
| Issues        | ~
| License       | MIT

Commits
-------

7a35815 Fix typo in `CLAUDE.md` file

Author: chr-hertel

CLAUDE.md

@@ -30,7 +30,7 @@ Each component has its own test suite. Run tests for specific components:
 # Platform component
 cd src/platform && vendor/bin/phpunit
 
-# Agent component  
+# Agent component
 cd src/agent && vendor/bin/phpunit
 
 # AI Bundle
@@ -111,10 +111,10 @@ Each component uses:
 - Do not use void return type for testcase methods
 - Always run PHP-CS-Fixer to ensure proper code style
 - Always add a newline at the end of the file
-- Prefer self::assert* oder $this->assert* in tests
+- Prefer self::assert* over $this->assert* in tests
 - Never add Claude as co-author in the commits
 - Add @author tags to newly introduced classes by the user
 - Prefer classic if statements over short-circuit evaluation when possible
 - Define array shapes for parameters and return types
 - Use project specific exceptions instead of global exception classes like \RuntimeException, \InvalidArgumentException etc.
-- NEVER mention Claude as co-author in commits
+- NEVER mention Claude as co-author in commits