fix(audit): resolve lint global, compaction metrics, and nudge id

src/backends/native/agent.ts

@@ -339,18 +339,17 @@ export class NativeAgent {
         // If the same tool has been called too many times, append a nudge
         // telling the model to use what it has. This combats local models
         // that endlessly retry searches with slight query variations.
+        let nudgeMessage: string | null = null;
         if (sameToolStreak >= maxSameToolStreak && !nudged) {
           nudged = true;
-          toolResultBlocks.push({
-            type: 'tool_result',
-            tool_use_id: '__system',
-            content: `You have called this tool ${sameToolStreak} times in a row. You have enough information — do NOT call it again. Summarize what you have found and respond to the user now.`,
-            is_error: false,
-          });
+          nudgeMessage = `You have called this tool ${sameToolStreak} times in a row. You have enough information — do NOT call it again. Summarize what you have found and respond to the user now.`;
         }
 
         // Add tool results as a user message
         loopMessages.push({ role: 'user', content: toolResultBlocks });
+        if (nudgeMessage) {
+          loopMessages.push({ role: 'user', content: nudgeMessage });
+        }
 
         // Break out if the model is stuck in a repeated tool call loop
         if (consecutiveRepeats >= maxConsecutiveRepeats) {