Update pull request template for clarity and focus

.github/pull_request_template.md

@@ -1,42 +1,14 @@
-<!--
-⚠️ READ BEFORE OPENING ⚠️
-
-This is a personal fork.
-
-Use this template to leave a clean record of what changed, why it changed, and how it was validated.
-
-- Keep PRs small and easy to skim later.
-- Call out maintenance cost when a change adds surface area.
-- Record the exact checks you ran before merging.
--->
-
 ## What Changed
 
-<!-- Describe the change clearly and keep scope tight. -->
-
 ## Why
 
-<!-- Explain the problem being solved and why this approach is the right one. -->
 
 ## Validation
 
-<!-- List the checks you ran, especially bun fmt, bun lint, and bun typecheck. -->
 
 ## Maintenance Impact
 
-<!-- Call out new dependencies, new long-term surface area, or why this stays cheap to maintain. Delete if not applicable. -->
 
 ## UI Changes
 
-<!-- If this PR changes UI, include clear before/after screenshots.
-     If the change involves motion or interaction, include a short video.
-     Delete this section if not applicable. -->
-
 ## Checklist
-
-- [ ] This PR is small and focused
-- [ ] I explained what changed and why
-- [ ] I listed the validation I ran
-- [ ] I ran `bun fmt`, `bun lint`, and `bun typecheck`
-- [ ] I included before/after screenshots for any UI changes
-- [ ] I included a video for animation/interaction changes