improved a lot of things

packages/ai-layer/src/features/agent-qa.ts

@@ -40,7 +40,7 @@ export async function answerAgentQuestion(
 
   let parsed: unknown;
   try {
-    parsed = JSON.parse(response.text);
+    parsed = JSON.parse(response.text.replace(/^```(?:json)?\s*/i, "").replace(/\s*```\s*$/, "").trim());
   } catch (err) {
     throw new Error(
       `Design agent returned unparseable JSON: ${String(err)}. ` +

packages/ai-layer/src/features/artboard-query.ts

@@ -38,9 +38,11 @@ export async function queryCrossArtboard(
 
   // Returning empty results on parse failure is indistinguishable from "no match".
   // Throw so the UI can show an error rather than a misleading empty state.
+  // Strip markdown code fences that the model occasionally adds despite instructions.
+  const rawText = response.text.replace(/^```(?:json)?\s*/i, '').replace(/\s*```\s*$/, '').trim();
   let parsed: unknown;
   try {
-    parsed = JSON.parse(response.text);
+    parsed = JSON.parse(rawText);
   } catch (err) {
     throw new Error(
       `Artboard query returned unparseable JSON: ${String(err)}. ` +

packages/ai-layer/src/features/completion-zone.ts

@@ -60,7 +60,7 @@ export async function fillCompletionZone(
     });
 
     try {
-      const parsed = JSON.parse(response.text);
+      const parsed = JSON.parse(response.text.replace(/^```(?:json)?\s*/i, "").replace(/\s*```\s*$/, "").trim());
       return { proposedTree: parsed.proposedTree as unknown, description: String(parsed.description ?? ''), raw: response };
     } catch (parseErr) {
       lastError = new Error(

packages/ai-layer/src/features/drift-report.ts

@@ -70,7 +70,7 @@ export async function generateDriftReport(
   // compliance feature. Throw so the caller can surface the error clearly.
   let parsed: unknown;
   try {
-    parsed = JSON.parse(response.text);
+    parsed = JSON.parse(response.text.replace(/^```(?:json)?\s*/i, "").replace(/\s*```\s*$/, "").trim());
   } catch (err) {
     throw new Error(
       `Drift report returned unparseable JSON: ${String(err)}. ` +