a2a-source-edit: write agent.py

agent.py

@@ -12,7 +12,6 @@ import io
 import json
 import os
 import re
-import time
 import uuid
 from contextlib import contextmanager
 from datetime import datetime, timezone
@@ -32,6 +31,8 @@ from a2a_pack import (
     Resources,
     RunContext,
     State,
+    WorkspaceAccess,
+    WorkspaceMode,
 )
 from a2a_pack.workspace import FileUpload, UploadedFile
 
@@ -130,6 +131,12 @@ class QuoteJudgeStudioV1(A2AAgent[QuoteJudgeStudioV1Config, PlatformUserAuth]):
         caller_pays_llm=False,
         notes="Deterministic local quote scoring; no LLM credential is required.",
     )
+    workspace_access = WorkspaceAccess.dynamic(
+        max_files=MAX_UPLOADS,
+        allowed_modes=(WorkspaceMode.READ_ONLY,),
+        require_reason=False,
+        max_total_size_bytes=MAX_UPLOADS * MAX_UPLOAD_BYTES,
+    )
     tools_used = ("postgres", "mcp")
 
     @a2a.tool(
@@ -305,13 +312,19 @@ class QuoteJudgeStudioV1(A2AAgent[QuoteJudgeStudioV1Config, PlatformUserAuth]):
                 "comparison_id": _clean_comparison_id(comparison_id),
             }
         try:
+            grant = await ctx.workspace.request_access(
+                files=[document.path],
+                mode=WorkspaceMode.READ_ONLY,
+                reason="Parse the caller-uploaded quote file for comparison.",
+                purpose="Read uploaded vendor quote file",
+            )
             view = await ctx.workspace.open_view(
                 purpose="Read uploaded vendor quote file",
                 hints=[document.path],
                 max_files=1,
                 reason="Parse the caller-uploaded quote file for comparison.",
             )
-            raw = await view.read(document.path)
+            raw = await view.read(grant.files[0].path)
         except Exception:
             return {
                 "ok": False,