fix(core): prevent duplicate tool approval entries in auto-saved.toml (#19487)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

packages/core/src/tools/memoryTool.ts

@@ -204,7 +204,7 @@ class MemoryToolInvocation extends BaseToolInvocation<
         if (outcome === ToolConfirmationOutcome.ProceedAlways) {
           MemoryToolInvocation.allowlist.add(allowlistKey);
         }
-        await this.publishPolicyUpdate(outcome);
+        // Policy updates are now handled centrally by the scheduler
       },
     };
     return confirmationDetails;