Update PhotoReasoningViewModel.kt

Author: Android-PowerUser

app/src/main/kotlin/com/google/ai/sample/feature/multimodal/PhotoReasoningViewModel.kt

@@ -183,11 +183,11 @@ class PhotoReasoningViewModel(
     // to avoid re-executing already-executed commands
     private var incrementalCommandCount = 0
 
-    // Mistral rate limiting per API key (1.5 seconds between requests with same key)
+    // Mistral rate limiting per API key (4 seconds between requests with same key)
     private val mistralNextAllowedRequestAtMsByKey = mutableMapOf<String, Long>()
     private var lastMistralTokenTimeMs = 0L
     private var lastMistralTokenKey: String? = null
-    private val MISTRAL_MIN_INTERVAL_MS = 1500L
+    private val MISTRAL_MIN_INTERVAL_MS = 4000L
 
     // Accumulated full text during streaming for incremental command parsing
     private var streamingAccumulatedText = StringBuilder()