Revert "Option to Notify Workspace Owner When Usage Limit is Reached" (#17391)

Reverts openai/codex#16969

#sev3-2026-04-10-accountscheckversion-500s-for-openai-workspace-7300

codex-rs/protocol/src/protocol.rs

@@ -648,9 +648,6 @@ pub enum Op {
     /// Request a code review from the agent.
     Review { review_request: ReviewRequest },
 
-    /// Ask the workspace owner to add Codex credits to the current ChatGPT workspace.
-    SendAddCreditsNudgeEmail,
-
     /// Request to shut down codex instance.
     Shutdown,
 
@@ -761,7 +758,6 @@ impl Op {
             Self::Undo => "undo",
             Self::ThreadRollback { .. } => "thread_rollback",
             Self::Review { .. } => "review",
-            Self::SendAddCreditsNudgeEmail => "send_add_credits_nudge_email",
             Self::Shutdown => "shutdown",
             Self::RunUserShellCommand { .. } => "run_user_shell_command",
             Self::ListModels => "list_models",
@@ -1520,9 +1516,6 @@ pub enum EventMsg {
     /// List of skills available to the agent.
     ListSkillsResponse(ListSkillsResponseEvent),
 
-    /// Response to SendAddCreditsNudgeEmail.
-    AddCreditsNudgeEmailResponse(AddCreditsNudgeEmailResponseEvent),
-
     /// List of voices supported by realtime conversation streams.
     RealtimeConversationListVoicesResponse(RealtimeConversationListVoicesResponseEvent),
 
@@ -1576,18 +1569,6 @@ pub enum EventMsg {
     CollabResumeEnd(CollabResumeEndEvent),
 }
 
-#[derive(Debug, Clone, Copy, Deserialize, Serialize, PartialEq, Eq, JsonSchema, TS)]
-#[serde(rename_all = "snake_case")]
-pub enum AddCreditsNudgeEmailStatus {
-    Sent,
-    CooldownActive,
-}
-
-#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq, JsonSchema, TS)]
-pub struct AddCreditsNudgeEmailResponseEvent {
-    pub result: Result<AddCreditsNudgeEmailStatus, String>,
-}
-
 #[derive(Debug, Clone, Copy, Deserialize, Serialize, PartialEq, Eq, JsonSchema, TS)]
 #[serde(rename_all = "snake_case")]
 pub enum HookEventName {
@@ -2154,7 +2135,6 @@ pub struct RateLimitSnapshot {
     pub primary: Option<RateLimitWindow>,
     pub secondary: Option<RateLimitWindow>,
     pub credits: Option<CreditsSnapshot>,
-    pub spend_control: Option<SpendControlSnapshot>,
     pub plan_type: Option<crate::account::PlanType>,
 }
 
@@ -2177,11 +2157,6 @@ pub struct CreditsSnapshot {
     pub balance: Option<String>,
 }
 
-#[derive(Debug, Clone, PartialEq, Deserialize, Serialize, JsonSchema, TS)]
-pub struct SpendControlSnapshot {
-    pub reached: bool,
-}
-
 // Includes prompts, tools and space to call compact.
 const BASELINE_TOKENS: i64 = 12000;