code editor: Agent Studio improvement iteration 2 for quote-judge-studio-v1. Goal:

agent.py

@@ -127,7 +127,7 @@ class QuoteJudgeStudioV1(A2AAgent[QuoteJudgeStudioV1Config, PlatformUserAuth]):
         "scoring, persists per-user comparisons, supports browser uploads, and serves "
         "a polished packed product UI."
     )
-    version = "0.1.1"
+    version = "0.1.2"
 
     config_model = QuoteJudgeStudioV1Config
     auth_model = PlatformUserAuth
@@ -143,7 +143,7 @@ class QuoteJudgeStudioV1(A2AAgent[QuoteJudgeStudioV1Config, PlatformUserAuth]):
     tools_used = ("postgres", "mcp", "packed-react-frontend")
     workspace_access = WorkspaceAccess.dynamic(
         max_files=8,
-        allowed_modes=(WorkspaceMode.READ_ONLY, WorkspaceMode.READ_WRITE_OVERLAY),
+        allowed_modes=(WorkspaceMode.READ_ONLY,),
         require_reason=False,
         max_total_size_bytes=MAX_UPLOAD_BYTES * MAX_BROWSER_DOCUMENTS,
     )
@@ -511,6 +511,16 @@ def _persist_comparison(
                     INSERT INTO quote_judge_receipts
                         (receipt_id, tenant_key, comparison_id, skill_name, tool_name, status, input_hash, result_hash, receipt_json, payload)
                     VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
+                    ON CONFLICT (receipt_id) DO UPDATE SET
+                        tenant_key = EXCLUDED.tenant_key,
+                        comparison_id = EXCLUDED.comparison_id,
+                        skill_name = EXCLUDED.skill_name,
+                        tool_name = EXCLUDED.tool_name,
+                        status = EXCLUDED.status,
+                        input_hash = EXCLUDED.input_hash,
+                        result_hash = EXCLUDED.result_hash,
+                        receipt_json = EXCLUDED.receipt_json,
+                        payload = EXCLUDED.payload
                     """,
                     (
                         receipt["receipt_id"],