Meaningless change to test PR workflow

.github/workflows/compile.yml

@@ -0,0 +1,37 @@
+name: Compile Production Sketch
+
+on:
+  pull_request:
+    paths:
+      - 'code/src/PhoenixSketch/**'
+      - '.github/workflows/compile.yml'
+
+jobs:
+  compile:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install arduino-cli
+        uses: arduino/setup-arduino-cli@v2
+
+      - name: Configure board support
+        run: |
+          arduino-cli config init
+          arduino-cli config set library.enable_unsafe_install true
+          arduino-cli config add board_manager.additional_urls \
+            https://www.pjrc.com/teensy/package_teensy_index.json
+          arduino-cli core update-index
+          arduino-cli core install teensy:avr
+
+      - name: Install libraries
+        run: |
+          arduino-cli lib install ArduinoJson "Adafruit MCP23017 Arduino Library"
+          arduino-cli lib install --git-url \
+            https://github.com/chipaudette/OpenAudio_ArduinoLibrary.git
+
+      - name: Compile sketch
+        run: |
+          arduino-cli compile \
+            --fqbn teensy:avr:teensy41:usb=serial2,speed=600,opt=o1lto \
+            code/src/PhoenixSketch/PhoenixSketch.ino

code/src/PhoenixSketch/BuildInfo.h

@@ -9,7 +9,7 @@
 #ifndef BUILDINFO_H
 #define BUILDINFO_H
 
-#define GIT_COMMIT_HASH "cabb72d"
-#define BUILD_TIMESTAMP "2025-12-31 15:41:46"
+#define GIT_COMMIT_HASH "8f9a5b4"
+#define BUILD_TIMESTAMP "2026-02-07 07:18:04"
 
 #endif // BUILDINFO_H

code/src/PhoenixSketch/SDT.h

@@ -32,7 +32,6 @@ typedef int errno_t;
 
 #define BEGIN_TEENSY_SHUTDOWN   0
 #define SHUTDOWN_COMPLETE       1
-
 #define EQUALIZER_CELL_COUNT    14
 
 // Teensy pins used for particular functions