Use .buildcount file for unique auto-incrementing versionCode

Build counter is incremented by deploy.ps1 on every deploy, ensuring
unique versionCode even from the same commit. File is gitignored.

.gitignore

@@ -18,3 +18,6 @@ local.properties
 
 # Platform tools
 ovr-platform-util.exe
+
+# Build counter
+.buildcount

app/build.gradle.kts

@@ -14,18 +14,19 @@ fun gitVersionName(): String = runGit("describe", "--tags", "--abbrev=0")
     .removePrefix("v")
     .ifEmpty { "0.1.0" }
 
-// Build number = total commits (always increments) + offset for store history
-const val VERSION_CODE_OFFSET = 4
-fun gitBuildNumber(): Int = (runGit("rev-list", "--count", "HEAD")
-    .toIntOrNull() ?: 1) + VERSION_CODE_OFFSET
+// Build number from .buildcount file (incremented by deploy.ps1)
+fun buildNumber(): Int {
+    val file = rootProject.file(".buildcount")
+    return if (file.exists()) file.readText().trim().toIntOrNull() ?: 1 else 1
+}
 
 fun gitShortHash(): String = runGit("rev-parse", "--short", "HEAD")
     .ifEmpty { "unknown" }
 
-// Display: "0.1.0+5.abc1234"
+// Display: "0.1.0+6.abc1234"
 fun gitDisplayVersion(): String {
     val base = gitVersionName()
-    val build = gitBuildNumber()
+    val build = buildNumber()
     val hash = gitShortHash()
     return "$base+$build.$hash"
 }
@@ -63,7 +64,7 @@ android {
         applicationId = "com.omixlab.lckcontrol"
         minSdk = 32
         targetSdk = 34
-        versionCode = gitBuildNumber()
+        versionCode = buildNumber()
         versionName = gitVersionName()
 
         buildConfigField("String", "DISPLAY_VERSION", "\"${gitDisplayVersion()}\"")

deploy.ps1

@@ -11,17 +11,24 @@ $ErrorActionPreference = "Stop"
 $AppId = "25653777174321448"
 $Token = "OC|25653777174321448|b861e3eeaf58edf097812b5fe588dabb"
 $OvrUtil = "$PSScriptRoot\ovr-platform-util.exe"
+$BuildCountFile = "$PSScriptRoot\.buildcount"
+
+# --- Increment build count ---
+$buildCount = 1
+if (Test-Path $BuildCountFile) {
+    $buildCount = [int](Get-Content $BuildCountFile -Raw).Trim() + 1
+}
+Set-Content $BuildCountFile $buildCount -NoNewline
+Write-Host "Build #$buildCount" -ForegroundColor Cyan
 
 # --- Git version info ---
 $versionName = (git describe --tags --abbrev=0 2>$null) -replace '^v', ''
 if (-not $versionName) { $versionName = "0.1.0" }
-$commitCount = git rev-list --count HEAD 2>$null
-if (-not $commitCount) { $commitCount = "1" }
 $shortHash = git rev-parse --short HEAD 2>$null
 if (-not $shortHash) { $shortHash = "unknown" }
-$displayVersion = "$versionName+$commitCount.$shortHash"
+$displayVersion = "$versionName+$buildCount.$shortHash"
 
-Write-Host "Version: $displayVersion (versionCode=$commitCount)" -ForegroundColor Cyan
+Write-Host "Version: $displayVersion (versionCode=$buildCount)" -ForegroundColor Cyan
 
 # --- Build APK ---
 $task = if ($BuildType -eq "release") { ":app:assembleRelease" } else { ":app:assembleDebug" }