onboard audio: JMISC HPH wiring, UCM fix, update scripts for git deploy

justfile

@@ -2,7 +2,9 @@
 # Run with: just <recipe>
 # Override board host: just BOARD_HOST=192.168.1.100 deploy
 
-BOARD_HOST := env_var_or_default('BOARD_HOST', 'uno-q.local')
+set dotenv-load := true
+
+BOARD_HOST := env_var_or_default('BOARD_HOST', '192.168.9.167')
 BOARD_USER := env_var_or_default('BOARD_USER', 'arduino')
 BOARD_PASS := env_var_or_default('BOARD_PASS', 'arduino')
 SSH_KEY    := env_var_or_default('SSH_KEY', '/home/david/.ssh/unoq_deploy_key')
@@ -154,17 +156,18 @@ enable-host-mode: deploy-midi-bridge deploy-led-matrix-viz
         echo '[OK] Host mode services enabled and started'"
 
 # Install all systemd services
+install-services:
     #!/usr/bin/env bash
     set -e
     SCP_OPTS="{{SSH_OPTS}}"
     echo "[INSTALL] Services on {{BOARD_USER}}@{{BOARD_HOST}}"
     for svc in usb-role-detect usb-gadget-audio pd-synth-auto pd-synth detect-i2s-device pd-synth-i2s; do
-        scp $SCP_OPTS "system/$svc.service" "{{BOARD_USER}}@{{BOARD_HOST}}:/tmp/"
+        scp $SCP_OPTS "system/${svc}.service" "{{BOARD_USER}}@{{BOARD_HOST}}:/tmp/"
     done
     scp $SCP_OPTS system/99-usb-role.rules "{{BOARD_USER}}@{{BOARD_HOST}}:/tmp/"
     ssh $SCP_OPTS "{{BOARD_USER}}@{{BOARD_HOST}}" "\
         for svc in usb-role-detect usb-gadget-audio pd-synth-auto pd-synth detect-i2s-device pd-synth-i2s; do \
-            sudo mv /tmp/\$svc.service /etc/systemd/system/; \
+            sudo mv /tmp/\${svc}.service /etc/systemd/system/; \
         done && \
         sudo mv /tmp/99-usb-role.rules /etc/udev/rules.d/ && \
         sudo udevadm control --reload-rules && \
@@ -219,6 +222,27 @@ run-remote:
     echo "[RUN] Starting Pd on {{BOARD_USER}}@{{BOARD_HOST}} (auto-detect)"
     ssh $SCP_OPTS -t "{{BOARD_USER}}@{{BOARD_HOST}}" "killall pd 2>/dev/null; sudo {{SYSTEM_DIR}}/bin/start-synth.sh --auto --verbose"
 
+# Fix UCM bug: removes nonexistent "RX HPH Mode" control
+# that prevents PipeWire from enabling the Headphones UCM device.
+# Must run once after OS updates or first install.
+fix-ucm:
+    @ssh {{SSH_OPTS}} "{{BOARD_USER}}@{{BOARD_HOST}}" "\
+        if grep -q 'RX HPH Mode' /usr/share/alsa/ucm2/codecs/qcom-lpass/rx-macro/HeadphoneEnableSeq.conf 2>/dev/null; then \
+            echo '{{BOARD_PASS}}' | sudo -S sed -i '/RX HPH Mode/d' /usr/share/alsa/ucm2/codecs/qcom-lpass/rx-macro/HeadphoneEnableSeq.conf && \
+            sudo systemctl restart wireplumber && \
+            echo '[OK] UCM HeadphoneEnableSeq patched'; \
+        else \
+            echo '[OK] UCM already patched'; \
+        fi"
+
+# Test onboard headphone audio (hw:0,0 — ArduinoImolaHPH)
+test-audio-headphones:
+    @ssh {{SSH_OPTS}} "{{BOARD_USER}}@{{BOARD_HOST}}" "\
+        systemctl --user stop pipewire.socket pipewire.service wireplumber 2>/dev/null; \
+        sleep 0.5; \
+        speaker-test -t sine -f 440 -l 2 -D hw:0,0 2>&1 | tail -3; \
+        systemctl --user start pipewire.socket pipewire.service wireplumber 2>/dev/null"
+
 # Test audio (gadget mode)
 test-audio:
     @ssh {{SSH_OPTS}} "{{BOARD_USER}}@{{BOARD_HOST}}" "speaker-test -D hw:UAC1Gadget,0 -c 2 -t sine -f 440 -l 1"
@@ -233,6 +257,11 @@ test-audio-host:
             echo '[ERROR] No USB audio interface found'; \
         fi"
 
+# LED matrix end-to-end diagnostic (router → MCU → UDP → viz)
+diag-led:
+    @scp {{SSH_OPTS}} scripts/diag-led.sh "{{BOARD_USER}}@{{BOARD_HOST}}:/tmp/diag-led.sh"
+    @ssh {{SSH_OPTS}} "{{BOARD_USER}}@{{BOARD_HOST}}" "chmod +x /tmp/diag-led.sh && bash /tmp/diag-led.sh"
+
 # Deploy diagnostic script to board
 deploy-diag:
     @scp {{SSH_OPTS}} scripts/diag.sh "{{BOARD_USER}}@{{BOARD_HOST}}:{{SYSTEM_DIR}}/bin/diag.sh"