I would love to see a feature that allows users to create a personalized handwriting profile that GoodNotes can use whenever AI edits, corrects, or improves handwritten notes.

How it could work:

1. Create a Personal Handwriting Profile

   • The user writes the full alphabet (uppercase and lowercase letters), numbers, and common symbols/punctuation marks in their neatest handwriting using a stylus.
   • GoodNotes saves these samples as the user's personal handwriting model.
   • This handwriting model becomes the reference style that AI uses for future handwriting improvements.

2. Handwriting Cleanup

   • Users can write notes naturally, even if their handwriting becomes messy while taking notes quickly.
   • The user can then select, highlight, or circle a section of handwriting and choose a "Clean Up Handwriting" option.
   • AI rewrites the selected text using the user's saved handwriting style rather than a generic handwriting style or typed font.
   • The result remains personal and handwritten while being much easier to read.

3. AI Spell Correction

   • When AI detects and corrects a misspelled handwritten word, the corrected word should be generated using the user's saved handwriting profile.
   • This would make corrected words blend seamlessly with the rest of the handwritten notes.
   • Currently, AI-generated corrections can look noticeably different from the user's actual handwriting.

4. AI-Generated Content

   • If GoodNotes AI adds words, rewrites text, creates summaries, or makes other edits, the new content could be generated in the user's saved handwriting style.
   • This would keep notes visually consistent and maintain the feeling of genuine handwritten notes.

Important Consideration
* The handwriting profile should remain based on the user's intentional handwriting samples and should not continuously learn from everyday note-taking.
* Many users (including myself) write neatly some of the time and (mostly) messily when writing quickly.
* If the system continuously learned from all handwriting, it could gradually adopt the messy handwriting style instead of preserving the user's preferred neat handwriting style.

Benefits
* Preserves each user's unique handwriting style.
* Makes messy notes easier to read without losing their personal appearance.
* Creates more natural-looking AI corrections and edits.
* Provides a better experience than converting handwriting to typed text or generic AI handwriting.

I believe this feature would be especially valuable for students, professionals, and anyone who wants cleaner notes while still keeping the look and feel of their own handwriting.