feat: media bitrate control, HDR (#346)

Fixes: #335 

Still a work-in-progress.

---------

Co-authored-by: DatCaptainHorse <DatCaptainHorse@users.noreply.github.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Co-authored-by: Wanjohi <elviswanjohi47@gmail.com>

build/etc/wireplumber/wireplumber.conf.d/50-nestri.conf

@@ -3,14 +3,13 @@
 # The goal is that `neswire` is the *only* Audio/Sink in the graph, so
 # default-node selection has exactly one candidate and cannot pick wrong.
 #
-# The "Dummy Output" (`auto_null`) sink is not disabled here, and no longer
-# needs to be: it came from pipewire-pulse's `module-always-sink`, and
-# pipewire-pulse is no longer installed. WirePlumber ships
-# scripts/fallback-sink.lua, which creates a node by the same name, but no
-# component in wireplumber.conf references it, so it never loads. If auto_null
-# ever comes back, it came back with pipewire-pulse -- the switch is
-# `pulse.cmd.always-sink = false` in a pipewire-pulse.conf.d drop-in, not
-# anything on this side.
+# The "Dummy Output" (`auto_null`) sink is not disabled here, because it does
+# not come from this side. pipewire-pulse creates it with `module-always-sink`,
+# and the pipewire-pulse drop-in turns that off with
+# `pulse.cmd.always-sink = false`. WirePlumber ships scripts/fallback-sink.lua,
+# which creates a node by the same name, but no component in wireplumber.conf
+# references it, so it never loads. If auto_null appears, look at the
+# pipewire-pulse drop-in first.
 #
 # pipewire.conf's Dummy-Driver / Freewheel-Driver are a third thing again:
 # support.node.driver objects with no ports -- drivers, not sinks, so nothing