{"version":"2.1.224","anchor":"mailbox-write-failures-are-reported-instead-of-being-assumed","canonical_anchor":"mailbox-write-failures-are-reported-instead-of-being-assumed","heading":"Mailbox write failures are reported instead of being assumed to succeed","tier":"notice","area":"Team Messaging","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.224\/e\/mailbox-write-failures-are-reported-instead-of-being-assumed","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.224","markdown":"### Mailbox write failures are reported instead of being assumed to succeed\n\nPlan submissions and shutdown requests to another agent now fail visibly when delivery fails.\n\n**What**\n\nWrites to another agent's inbox can now fail visibly. Submitting a plan for lead approval throws a dedicated error when the write does not land, shutdown requests and shutdown rejections return a failure result naming the target, and the shutdown-approval confirmation is marked degraded. Previously all of these carried on as if the message had been delivered.\n\n**Evidence**\n\n`Failed to write the plan approval request to the lead's inbox \\u2014 plan not submitted; try again`\n\n- Area: Team Messaging\n- Tier: You'll notice\n- Useful: 3\/5\n- Signal: 3\/5"}