Implement merging of local config.ini into AVD config

This update allows the DeviceService to merge entries from a local config.ini file into the AVD's config.ini, enhancing configuration management for Android emulators. The process includes reading local entries, updating existing values, and adding new ones as necessary, with appropriate logging for success and failure cases.

Author: cem2ran

maestro-client/src/main/java/maestro/device/DeviceService.kt

@@ -439,6 +439,46 @@ object DeviceService {
             throw IllegalStateException("Failed to start android emulator: $processOutput")
         }
 
+        // Merge local config.ini if present
+        val localConfig = File(System.getProperty("user.dir"), "config.ini")
+        if (localConfig.exists()) {
+            val androidHome = when (val env = System.getenv("ANDROID_USER_HOME")) {
+                null -> "${System.getProperty("user.home")}/.android"
+                else -> env
+            }
+            val avdConfig = File(androidHome, "avd/$name.avd/config.ini")
+            
+            if (avdConfig.exists()) {
+                try {
+                    val localEntries = localConfig.readLines()
+                        .filter { it.contains("=") && !it.trimStart().startsWith("#") }
+                        .associate { it.substringBefore("=").trim() to it.substringAfter("=").trim() }
+                    
+                    if (localEntries.isNotEmpty()) {
+                        val existingLines = avdConfig.readLines().toMutableList()
+                        val keyToIndex = existingLines
+                            .mapIndexedNotNull { i, line -> 
+                                if (line.contains("=")) line.substringBefore("=").trim() to i else null
+                            }
+                            .toMap()
+                        
+                        localEntries.forEach { (key, value) ->
+                            keyToIndex[key]?.let { index ->
+                                existingLines[index] = "$key=$value"
+                            } ?: run {
+                                existingLines.add("$key=$value")
+                            }
+                        }
+                        
+                        avdConfig.writeText(existingLines.joinToString("\n") + "\n")
+                        logger.info("Merged ${localEntries.size} entries from local config.ini into AVD $name")
+                    }
+                } catch (e: Exception) {
+                    logger.warn("Failed to merge local config.ini: ${e.message}")
+                }
+            }
+        }
+
         return name
     }