Task 7 verification evidence

Command:
cd php && vendor/bin/phpunit --filter 'Song|ProFileReader'

Result:
PHPUnit 11.5.55 by Sebastian Bergmann and contributors.

Runtime:       PHP 8.4.7
Configuration: /Users/thorsten/AI/propresenter-work/php/phpunit.xml

............                                                      12 / 12 (100%)

Time: 00:00.105, Memory: 14.00 MB

OK (12 tests, 44 assertions)

Additional integration probe (6 diverse files via ProFileReader::read):
Test.pro | name=Test | groups=4 | slides=5 | arrangements=2
Cornerstone.pro | name=Cornerstone | groups=7 | slides=13 | arrangements=1
Du machst alles neu.pro | name=Du machst alles neu | groups=8 | slides=18 | arrangements=1
-- MODERATION --.pro | name=-- MODERATION -- | groups=1 | slides=2 | arrangements=0
Oceans (Where Feet May Fail) [TRANS].pro | name=Oceans (Where Feet May Fail) [TRANS] | groups=9 | slides=15 | arrangements=2
-- ANKÜNDIGUNGEN --.pro | name=-- ANKÜNDIGUNGEN -- | groups=2 | slides=6 | arrangements=0
