- provider detail: Test All Models button runs every model (built-in + custom)
with an optional connection selector; failed models can be disabled in bulk
- bulk selected-model test now runs all connections in parallel (Promise.all)
- usage overview: new 'Usage by Provider' table view (default) and a Provider
column in Recent Requests; byProvider now tracks lastUsed
- combos: per-combo enable/disable toggle; disabled combos are skipped by the
routing engine (getComboModels/getComboModelsFromData) and model listing
- settings: 'Only show combo models' toggle filters ModelSelectModal and the
/v1/models response to models present in enabled combos