diff --git a/.gitignore b/.gitignore
index 4c912d6..7f73128 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,3 +57,4 @@ com_crashlytics_export_strings.xml
 
 .idea/android_sdk/
 android_sdk/
+*.idsig
diff --git a/AGENTS.md b/AGENTS.md
index d3824e9..76e729f 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -1,8 +1,8 @@
 # Agent Instructions
 
-After each successfully executed programming instruction, the app must be built and submitted in the following way:
+Do not perform any pre-commit steps except request code review and record learning content. After successful programming, the app must be built and submitted in the following way:
 
-If you are not Jules, or if the Android SDK is not already installed, then you will need to install it first:
+If you are not Jules, then you will need to install the Android SDK first:
 
 ```
 #!/bin/bash
diff --git a/app-release-signed.apk b/app-release-signed.apk
deleted file mode 100644
index f14a151..0000000
Binary files a/app-release-signed.apk and /dev/null differ
diff --git a/app-release-signed.apk.idsig b/app-release-signed.apk.idsig
deleted file mode 100644
index 58f1c35..0000000
Binary files a/app-release-signed.apk.idsig and /dev/null differ
diff --git a/app/src/main/kotlin/com/google/ai/sample/MenuScreen.kt b/app/src/main/kotlin/com/google/ai/sample/MenuScreen.kt
index d0963bd..39481d9 100644
--- a/app/src/main/kotlin/com/google/ai/sample/MenuScreen.kt
+++ b/app/src/main/kotlin/com/google/ai/sample/MenuScreen.kt
@@ -274,13 +274,13 @@ fun MenuScreen(
                         .padding(horizontal = 16.dp, vertical = 8.dp)
                 ) {
                     val annotatedText = buildAnnotatedString {
-                        append("• Preview models could be deactivated by Google without being handed over to the final release.\\n")
-                        append("• GPT-oss 120b is a pure text model.\\n")
-                        append("• Gemma 3n E4B it cannot handle screenshots in the API.\\n")
-                        append("• GPT models (Vercel) have a free budget of $5 per month.\\n")
-                        append("GPT-5.1 Input: $1.25/M Output: $10.00/M\\n")
-                        append("GPT-5.1 mini Input: $0.25/ M Output: $2.00/M\\n")
-                        append("GPT-5 nano Input: $0.05/M Output: $0.40/M\\n")
+                        append("• Preview models could be deactivated by Google without being handed over to the final release.\n")
+                        append("• GPT-oss 120b is a pure text model.\n")
+                        append("• Gemma 3n E4B it cannot handle screenshots in the API.\n")
+                        append("• GPT models (Vercel) have a free budget of $5 per month.\n")
+                        append("GPT-5.1 Input: $1.25/M Output: $10.00/M\n")
+                        append("GPT-5.1 mini Input: $0.25/ M Output: $2.00/M\n")
+                        append("GPT-5 nano Input: $0.05/M Output: $0.40/M\n")
                         append("• There are rate limits for free use of Gemini models. The less powerful the models are, the more you can use them. The limits range from a maximum of 5 to 30 calls per minute. After each screenshot (every 2-3 seconds) the LLM must respond again. More information is available at ")
 
                         pushStringAnnotation(tag = "URL", annotation = "https://ai.google.dev/gemini-api/docs/rate-limits")
@@ -372,4 +372,3 @@ fun MenuScreenTrialExpiredPreview() {
     // Preview with trial expired
     MenuScreen(innerPadding = PaddingValues(), isTrialExpired = true, isPurchased = false)
 }
-
diff --git a/app/src/main/kotlin/com/google/ai/sample/ScreenCaptureService.kt b/app/src/main/kotlin/com/google/ai/sample/ScreenCaptureService.kt
index 371f72c..ca978cf 100644
--- a/app/src/main/kotlin/com/google/ai/sample/ScreenCaptureService.kt
+++ b/app/src/main/kotlin/com/google/ai/sample/ScreenCaptureService.kt
@@ -734,11 +734,11 @@ sealed class VercelContent
 
 @Serializable
 @SerialName("text")
-data class VercelTextContent(val text: String) : VercelContent()
+data class VercelTextContent(@SerialName("text") val content: String) : VercelContent()
 
 @Serializable
 @SerialName("image_url")
-data class VercelImageContent(val image_url: VercelImageUrl) : VercelContent()
+data class VercelImageContent(@SerialName("image_url") val content: VercelImageUrl) : VercelContent()
 
 @Serializable
 data class VercelImageUrl(val url: String)
@@ -767,9 +767,9 @@ private suspend fun callVercelApi(modelName: String, apiKey: String, chatHistory
         val messages = (chatHistory + inputContent).map { content ->
             val parts = content.parts.map { part ->
                 when (part) {
-                    is TextPart -> VercelTextContent(text = part.text)
-                    is ImagePart -> VercelImageContent(image_url = VercelImageUrl(url = part.image.toBase64()))
-                    else -> VercelTextContent(text = "") // Or handle other part types appropriately
+                    is TextPart -> VercelTextContent(content = part.text)
+                    is ImagePart -> VercelImageContent(content = VercelImageUrl(url = part.image.toBase64()))
+                    else -> VercelTextContent(content = "") // Or handle other part types appropriately
                 }
             }
             VercelMessage(role = if (content.role == "user") "user" else "assistant", content = parts)
diff --git a/build_and_sign.sh b/build_and_sign.sh
index 8d24a5a..dd95326 100755
--- a/build_and_sign.sh
+++ b/build_and_sign.sh
@@ -16,7 +16,7 @@ fi
 # 2. Download and unzip the Android SDK command-line tools
 echo "INFO: Downloading Android SDK..."
 wget -q https://dl.google.com/android/repository/commandlinetools-linux-13114758_latest.zip
-unzip -q commandlinetools-linux-13114758_latest.zip -d android_sdk
+unzip -oq commandlinetools-linux-13114758_latest.zip -d android_sdk
 rm commandlinetools-linux-13114758_latest.zip
 
 # 3. Restructure cmdline-tools for sdkmanager