Task 4: TextElement + Slide Wrapper Classes (TDD)
Date: 2026-03-01
PHPUnit: 11.5.55, PHP 8.4.7

=== Test Results ===
24 tests, 47 assertions, 0 failures, 0 skipped

Slide (ProPresenter\Parser\Tests\Slide)
 ✔ Get uuid returns cue uuid string
 ✔ Get text elements returns only elements with text
 ✔ Get text elements returns empty array when no text elements
 ✔ Get all elements returns all elements including non text
 ✔ Get plain text returns first text element content
 ✔ Get plain text returns empty string when no text elements
 ✔ Has translation returns true when multiple text elements
 ✔ Has translation returns false when single text element
 ✔ Has translation returns false when no text elements
 ✔ Get translation returns second text element
 ✔ Get translation returns null when no translation
 ✔ Integration verse 1 single text element
 ✔ Integration ending slide with translation
 ✔ Get cue returns original protobuf cue

Text Element (ProPresenter\Parser\Tests\TextElement)
 ✔ Get name returns element name
 ✔ Get name returns deutsch for translation element
 ✔ Get rtf data returns raw rtf string
 ✔ Get rtf data returns empty string when no text
 ✔ Set rtf data updates underlying protobuf
 ✔ Get plain text extracts from rtf
 ✔ Get plain text returns empty string when no text
 ✔ Has text returns true when text exists
 ✔ Has text returns false when no text
 ✔ Integration extracts verse 1 from test pro

=== Key Verifications ===
- TextElement extracts "Vers1.1\nVers1.2" from Test.pro Verse 1 (UUID 5A6AF946)
- Slide.getTranslation() works on Ending slide (UUID 562C027E)
  - Element 0 "Orginal": "Trans Original 1\nTrans Original 2"
  - Element 1 "Deutsch": "Translated 1\nTranslated 2"
- LSP diagnostics: clean (0 errors) on both TextElement.php and Slide.php

=== Files Created ===
- php/src/TextElement.php (87 lines)
- php/src/Slide.php (149 lines)
- php/tests/TextElementTest.php (188 lines, 10 tests)
- php/tests/SlideTest.php (308 lines, 14 tests)