- Channels manager: prominent channel-name search box and the 'Your tags' chips are now
clickable to filter the table by tag (replacing the hidden per-column DataTable popovers).
Both filter client-side over the status-filtered list; a focus-channel intent seeds the
search, the reset intent clears both.
- Feed 'Your tags' sidebar: count user tags in the facet endpoint (the 'other' category) and
make the widget contextual like language/topic — counts reflect the current filter and
zero-count chips hide (e.g. a source=search view with no tagged channels shows 'no matching
tags' instead of the full static list). EN/HU/DE searchPlaceholder.
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