<ul><li>CRITICAL fix: LegalDocsController.php:213 — corrected typo <code>return fasle</code> → <code>return false</code> in validateUrl() — caused broken URL validation logic returning undefined instead of false</li><li>HIGH fix: LegalDocsController.php:798 — reloadCategoryOption() used bare relative path <code>platform/services/...</code> without BASEPATH_ prefix — caused file_not_found failure for category reload AJAX; fixed to <code>BASEPATH_."/platform/services/..."</code></li><li>MEDIUM fix: legal_docs_category_modal.php:61 — corrupt UTF-8 replacement character (0xEF 0xBF 0xBD) in Update Category modal close button replaced with correct <code>&amp;times;</code></li><li>MEDIUM fix: legal_docs_modal.php:83 — <code>extract($authorData)</code> called without null guard; wrapped in <code>if (!empty($authorData))</code> to prevent PHP 8 Fatal on null array</li><li>LOW fix: legal_docs_category_modal.php:74 — duplicate <code>maxlength</code> attribute (<code>maxlength=&quot;120&quot; maxlength=&quot;150&quot;</code>) on updcat_CategoryValue input; removed duplicate</li><li>LOW fix: table_signed_docs.php:53 — <code>id=&quot;viewDocs&quot;</code> on per-row buttons caused duplicate HTML IDs; changed to <code>class=&quot;viewDocs&quot;</code></li><li>PHASE 3 CRUD verified: all modals open/close, AJAX endpoints return correct data, 0 JS errors, 0 network failures</li><li>PHASE 5 Speed: queries use index_merge and eq_ref; no N+1 queries; tables under 50 rows; no issues found</li><li>Backups: LegalDocsController-bk-v1.php, legal_docs_category_modal-bk-v3.php, legal_docs_modal-bk-v3.php, table_signed_docs-bk-v3.php</li></ul>