chore(github): tighten PR and issue templates

- PR template: remove boilerplate, collapse test command to one line
- Bug template: shorter, drop redundant fields
- Feature template: add acceptance criteria checkbox

Author: morbeo

.github/ISSUE_TEMPLATE/bug.md

@@ -4,22 +4,15 @@ about: Something is broken
 labels: bug
 ---
 
-## Describe the bug
-
-<!-- What happened? What did you expect? -->
+## What happened
+<!-- What did you expect vs what actually occurred? -->
 
 ## Steps to reproduce
-
 1. 
 2. 
-3. 
 
 ## Environment
+- Browser / Device:
+- Transport (PeerJS / Gun.js / Auto):
 
-- Browser:
-- Device:
-- Transport mode (PeerJS / Gun.js / Auto):
-
-## Additional context
-
-<!-- Screenshots, console errors, etc. -->
+<!-- Screenshots or console errors welcome -->

.github/ISSUE_TEMPLATE/feature.md

@@ -5,13 +5,10 @@ labels: enhancement
 ---
 
 ## Problem
-
-<!-- What problem are you trying to solve? -->
+<!-- What are you trying to do that you can't do today? -->
 
 ## Proposed solution
-
 <!-- What would you like to see? -->
 
-## Alternatives considered
-
-<!-- Any other approaches you thought about? -->
+## Acceptance criteria
+- [ ] 

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,24 +1,17 @@
-## What
-
 Closes #<!-- issue number -->
 
+## What
 <!-- One-line summary of the change. -->
 
 ## Why
+<!-- What problem does this solve? -->
 
-<!-- Context: what problem does this solve, or what feature does it add? -->
-
-## How
-
-<!-- Brief description of the approach. Call out any tricky decisions. -->
+## Notes
+<!-- Tricky decisions, follow-up work, manual testing steps. Delete if none. -->
 
 ## Checklist
-
 - [ ] PR title follows conventional commits — `type(scope): description`
       Scopes: `admin` · `player` · `transport` · `db` · `ui` · `pwa` · `deps` · `release`
 - [ ] Tests added or updated
-- [ ] `npm run test` passes locally
-- [ ] `npm run build` passes locally
-- [ ] `npm run lint` passes locally
+- [ ] `npm test && npm run build && npm run lint` pass locally
 - [ ] Docs updated if behaviour changed
-- [ ] No `console.log` left in production paths