FEATURE REQUEST: Adjustable Highlighter Height/Width ==SUMMARY== The Okular PDF highlighter tool currently lacks adjustable height/thickness controls. The highlight stroke always matches the text height, making precision highlighting difficult—especially for complex layouts, scanned PDFs, or multi-column documents. ==CURRENT BEHAVIOR== - The highlighter annotation tool only supports color and opacity adjustment - Highlight height is automatically computed from text metrics - No UI control exists for stroke width/height customization - Users frequently report difficulty in highlighting specific text without capturing unwanted content ==DESIRED BEHAVIOR== - Add configurable width/height property to HighlightAnnotation class - Expose stroke width control in Properties dialog (right-click menu) - Add preset width options: 25%, 50%, 75%, 100%, 125%, 150% - Persist user's last-used width preference in settings ==AFFECTED FILES (Implementation path)== core/annotations.h - Add width property core/annotations.cpp - Update rendering logic part/annotationpropertiesdialog.cpp - Add UI control part/annotationtools.cpp - Add toolbar widget ==RELATED ISSUES== - Users report multi-line highlighting when trying to highlight single lines - Inability to highlight partial content in complex layouts - Difficulty in scanned PDFs with imperfect OCR