Fix vision models to official Groq Llama vision, enforce JSON without raw thinking text, set instant market default load

Author: JACK-AI7

app/src/main/java/com/example/GeminiVisionService.kt

@@ -36,7 +36,10 @@ object GeminiVisionService {
         "llama-3.1-8b-instant"
     )
 
-    private val VISION_MODELS = listOf("qwen/qwen3.6-27b")
+    private val VISION_MODELS = listOf(
+        "llama-3.2-11b-vision-preview",
+        "llama-3.2-90b-vision-preview"
+    )
 
     private fun parseText(body: String): String {
         if (body.isBlank()) return "API Error: Empty response from Groq server"
@@ -62,7 +65,7 @@ object GeminiVisionService {
             val langName = LanguageManager.getLanguageName(lang)
             val translationInstruction = if (lang != "en") " YOU MUST RESPOND ENTIRELY AND STRICTLY IN THE $langName LANGUAGE. However, if a JSON format is requested, keep the JSON structure and keys strictly in English, and only translate the values." else ""
 
-            val finalPrompt = prompt + translationInstruction + "\nCRITICAL: Answer extremely concisely, maximum 1 sentence per field."
+            val finalPrompt = prompt + translationInstruction + "\nCRITICAL: Respond ONLY with a single raw JSON object. DO NOT include any reasoning, chain of thought, intro text, or markdown code blocks."
             val escapedPrompt = finalPrompt.replace("\\", "\\\\").replace("\"", "\\\"", false).replace("\n", "\\n", false)
 
             for (model in VISION_MODELS) {
@@ -71,6 +74,7 @@ object GeminiVisionService {
                         val body = """
                         {
                           "model": "$model",
+                          "response_format": {"type": "json_object"},
                           "messages": [
                             {
                               "role": "user",

app/src/main/java/com/example/MarketScreen.kt

@@ -31,10 +31,10 @@ fun MarketScreen(modifier: Modifier = Modifier) {
     val context = LocalContext.current
     val lang = LanguageManager.currentLanguage.collectAsState().value
 
-    var query by remember { mutableStateOf("") }
-    var activeSearchQuery by remember { mutableStateOf("") }
-    var userState by remember { mutableStateOf("") }
-    var activeSearchState by remember { mutableStateOf("") }
+    var query by remember { mutableStateOf("Wheat") }
+    var activeSearchQuery by remember { mutableStateOf("Wheat") }
+    var userState by remember { mutableStateOf("Maharashtra") }
+    var activeSearchState by remember { mutableStateOf("Maharashtra") }
     var userMandi by remember { mutableStateOf("") }
 
     var detectingLoc by remember { mutableStateOf(false) }
@@ -49,20 +49,22 @@ fun MarketScreen(modifier: Modifier = Modifier) {
                 val loc = LocationHelper.getCurrentLocationStateAndMandi(context)
                 if (loc != null) {
                     userState = loc.first
+                    activeSearchState = loc.first
                     userMandi = loc.second
                 }
                 detectingLoc = false
             }
         }
     }
 
-    // Auto-detect location if available but don't force a search until user hits Search
+    // Auto-detect location if available and set activeSearchState
     LaunchedEffect(Unit) {
         if (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
             val loc = LocationHelper.getCurrentLocationStateAndMandi(context)
             if (loc != null) {
-                if (userState.isEmpty()) userState = loc.first
-                if (userMandi.isEmpty()) userMandi = loc.second
+                userState = loc.first
+                activeSearchState = loc.first
+                userMandi = loc.second
             }
         }
     }