Channel-dependent fields (Telegram bot token, chat id, event checkboxes,
"Test senden" button) now hide when the user switches the Kanal select
to "Nur Dashboard". Implemented as data-channel-only="telegram" markers
that a tiny syncChannelOnlyFields() in app.js toggles via inline
display:none. Initial state is set in Jinja so there's no flash on
load.
Hidden inputs stay in the form, so the values survive the round-trip:
switch to Dashboard → save → switch back to Telegram and the bot
token / chat id are still there.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
EiSiMo
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