Bump to 0.4.0-preview4

Service Mode UI overhaul (light theme, square shapes, matrix log,
inspect range filter, raw presets per family) plus the corrected P6
motor temp (body[31] linear formula).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: eried

app/build.gradle.kts

@@ -27,8 +27,8 @@ android {
         applicationId = "com.eried.eucplanet"
         minSdk = 29
         targetSdk = 35
-        versionCode = 29
-        versionName = "0.4.0-preview3"
+        versionCode = 30
+        versionName = "0.4.0-preview4"
 
         val buildStamp = SimpleDateFormat("yyMMdd.HHmm")
             .apply { timeZone = TimeZone.getTimeZone("UTC") }

wear/build.gradle.kts

@@ -22,8 +22,8 @@ android {
         applicationId = "com.eried.eucplanet"
         minSdk = 30
         targetSdk = 35
-        versionCode = 29
-        versionName = "0.4.0-preview3"
+        versionCode = 30
+        versionName = "0.4.0-preview4"
     }
 
     signingConfigs {