Remove the per-row agent color dot (and its now-unused helpers), keeping only
the status indicator. Add a "+" button to the panel header that opens a new
session draft targeting the filtered project (or the most recently active
session's project under "All", falling back to the default target), and
restyle the close button to match it.
Show the context token usage next to the percentage (e.g. 5.1% 20.4K/400.0K)
at a larger, consistent size, and compute the percentage with a fraction
instead of the store's integer-rounded value.
Bohdan Triapitsyn
eaf91ab1d4