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SUMMARY
The configuration that Kontact maintains from KMail is not in sync and empty since I edited the reply and reply-all default templates in order to reply above the quote.

STEPS TO REPRODUCE
1. In Kontact, go to Settings > KMail Options > Composer > Default templates, and edit the templates to place %CURSOR above %QUOTE. No apply or accept buttons are shown, but somehow changes are retained. 
2. Reply an email. You'll see reply is still under the quote.
3. Go to Kmail, replay step 1. Apply and Accept buttons are there, and the behaviour is fixed.
4. Go back to Kontact. In Settings > KMail Options > Composer > Default templates, %CURSOR appears under %QUOTE no matter that the behaviour is the intended and replies appear ABOVE quote.
5. Go to Settings > Kontact > Mail > Composer. There are no options checked whatsoever and all the templates are empty.

OBSERVED RESULT
In Kontact: 
- In Settings > KMail Options > Composer > Default templates, %CURSOR appears under %QUOTE no matter that the behaviour is the intended and replies appear ABOVE quote.
- In Settings > Kontact > Mail > Composer. There are no options checked whatsoever and all the templates are empty.


EXPECTED RESULT
Changing the templates in any of the three possible places (Kontact > Kontact Settings > Mail > Composer, Kontact > Kmail Settings > Composer OR Kmail > Settings > Composer) should be effective and consistent. The rest of the options should be kept in sync from wherever we access them.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: Fedora Linux 41 (KDE Plasma) 41 (x86_64)
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.0

ADDITIONAL INFORMATION