feat: komplette Codebase vom Board ins Repo gespiegelt

app/ = /opt/callrec (Node-Backend, Vite-Frontend, Python-Inferenz,
Audio-Skripte, rkllm_server.cpp), system/ = systemd-Units,
WirePlumber/PipeWire-Drop-ins, sudoers. Modelle, Binaries, Aufnahmen
und node_modules bleiben draussen (.gitignore).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

system/etc/wireplumber/wireplumber.conf.d/54-es8323-clock.conf

@@ -0,0 +1,18 @@
+# es8323: S16 mode buggy -> force S24LE. Also rockchip-es8323 glitches under pw's
+# MMAP/timer access (arecord RW is clean) -> force RW (disable-mmap) + big period.
+monitor.alsa.rules = [
+  {
+    matches = [ { node.name = "~alsa_(input|output)\.platform-es8323-sound.*" } ]
+    actions = {
+      update-props = {
+        audio.format            = "S24LE"
+        api.alsa.disable-mmap   = true
+        api.alsa.disable-batch  = true
+        api.alsa.period-size    = 1024
+        api.alsa.headroom       = 8192
+        session.suspend-timeout-seconds = 0
+        node.pause-on-idle      = false
+      }
+    }
+  }
+]