Subscribe to one or more commands by key, resolved by the nearest container's
CommandResolver (its anchor + cadence — set by CommandAnchorProvider, not
here). Returns the resolved commands (re-rendering when the resolver re-emits), and
wires listener for per-key execute observation (ripple/close), which fires immediately
for every dispatch path. A button just calls cmd.execute().
Subscribe to one or more commands by key, resolved by the nearest container's CommandResolver (its anchor + cadence — set by CommandAnchorProvider, not here). Returns the resolved commands (re-rendering when the resolver re-emits), and wires
listenerfor per-key execute observation (ripple/close), which fires immediately for every dispatch path. A button just callscmd.execute().