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>

app/aime-cpucap.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# Set the A76 (cpu4-7) scaling_max_freq. Whitelisted OPPs only. Called by the
+# callrec node process via a NOPASSWD sudo rule to cap the big-core clock during
+# whisper transcription — the fanless board hit CRITICAL temp + auto-shutdown on
+# a long (79-min) clip at full clock. Restored to 2256000 after each run.
+f="$1"
+case "$f" in
+  408000|600000|816000|1008000|1200000|1416000|1608000|1800000|2016000|2208000|2256000) ;;
+  *) echo "aime-cpucap: bad freq '$f'" >&2; exit 1 ;;
+esac
+for c in 4 5 6 7; do
+  echo "$f" > "/sys/devices/system/cpu/cpu$c/cpufreq/scaling_max_freq" 2>/dev/null
+done