refactor(sessions): standardize reactive search and fix list layout
- Migrated Session search to the debounced pattern with Search Guards and shared observables. - Implemented 'Remote First' toggle support (Edit Mode only) for background-only revalidation. - Resolved 'each_key_duplicate' crash and fixed icon scaling issues in the session list. - Restored missing session alert visibility for managers. - Standardized store initialization to prevent reactivity loops.
This commit is contained in: