diff --git a/crates/tui/src/tui/ui.rs b/crates/tui/src/tui/ui.rs
index 61cb195c..1512c5bb 100644
--- a/crates/tui/src/tui/ui.rs
+++ b/crates/tui/src/tui/ui.rs
@@ -1491,6 +1491,27 @@ async fn run_event_loop(
 
                         // Generate post-turn receipt for completed turns.
                         if status == crate::core::events::TurnOutcomeStatus::Completed {
+                            // SlopLedger completion-gate: after every completed
+                            // turn, check whether there are unresolved slop entries
+                            // the agent should address before claiming the task is
+                            // done (#2127). This runs autonomously — no tool call
+                            // required — so the agent can't forget to check.
+                            if let Ok(ledger) = crate::slop_ledger::SlopLedger::load()
+                                && ledger.has_open_entries()
+                            {
+                                if let Some(gate_msg) = ledger.completion_gate_summary() {
+                                    let short = gate_msg
+                                        .lines()
+                                        .nth(4)
+                                        .unwrap_or("review before done");
+                                    app.push_status_toast(
+                                        format!("⚠️ SlopLedger: {short}"),
+                                        crate::tui::app::StatusToastLevel::Warning,
+                                        Some(12_000),
+                                    );
+                                }
+                            }
+
                             let tool_count = app.tool_evidence.len();
                             let mut receipt = "✓ turn completed".to_string();
                             if tool_count > 0 {