feat: use switch instead of checkout

module-10-stash/README.md

@@ -121,10 +121,10 @@ The verification will check that:
 3. Check status: `git status` (you'll see modified files)
 4. Stash your changes: `git stash save "WIP: login feature"`
 5. Verify working directory is clean: `git status`
-6. Switch to main: `git checkout main`
+6. Switch to main: `git switch main`
 7. View the bug in app.js and fix it (remove the incorrect line)
 8. Commit the fix: `git add app.js && git commit -m "Fix critical security bug"`
-9. Switch back to feature: `git checkout feature-login`
+9. Switch back to feature: `git switch feature-login`
 10. Restore your work: `git stash pop`
 11. Complete the feature (the TODOs in login.js)
 12. Commit your completed feature
@@ -147,9 +147,9 @@ The verification will check that:
 ```bash
 # Working on feature, need to switch to main
 git stash
-git checkout main
+git switch main
 # Do work on main
-git checkout feature
+git switch feature
 git stash pop
 ```
 
@@ -176,10 +176,10 @@ git stash pop  # Restore original work
 ```bash
 # Same fix needed on multiple branches
 git stash
-git checkout branch1
+git switch branch1
 git stash apply
 git commit -am "Apply fix"
-git checkout branch2
+git switch branch2
 git stash apply
 git commit -am "Apply fix"
 git stash drop  # Clean up when done