diff --git a/crates/manager-core/src/dispatcher.rs b/crates/manager-core/src/dispatcher.rs
index 355c55c..7040895 100644
--- a/crates/manager-core/src/dispatcher.rs
+++ b/crates/manager-core/src/dispatcher.rs
@@ -106,7 +106,13 @@ const DEFAULT_TICK_INTERVAL: Duration = Duration::from_millis(100);
 /// platform-wide ceiling here. Matches `LocalExecutorClient`'s own
 /// 5-minute cap.
 /// F-Q-009: env-overridable via `PICLOUD_DISPATCHER_ASYNC_EXEC_TIMEOUT_SEC`.
-const DEFAULT_ASYNC_EXEC_TIMEOUT: Duration = Duration::from_secs(300);
+///
+/// `pub` so `triggers_api::validate_queue_visibility_timeout` can use
+/// the same default for its warn-threshold — otherwise a change here
+/// would silently leave the visibility-timeout warner out of sync.
+pub const DEFAULT_ASYNC_EXEC_TIMEOUT_SECS: u32 = 300;
+const DEFAULT_ASYNC_EXEC_TIMEOUT: Duration =
+    Duration::from_secs(DEFAULT_ASYNC_EXEC_TIMEOUT_SECS as u64);
 
 /// Read `PICLOUD_DISPATCHER_TICK_INTERVAL_MS`; invalid values fall back
 /// to the documented default with a tracing-warn.
diff --git a/crates/manager-core/src/triggers_api.rs b/crates/manager-core/src/triggers_api.rs
index dd94ea3..06e6edf 100644
--- a/crates/manager-core/src/triggers_api.rs
+++ b/crates/manager-core/src/triggers_api.rs
@@ -41,10 +41,11 @@ use crate::trigger_repo::{
 const MIN_QUEUE_VISIBILITY_TIMEOUT_SECS: u32 = 30;
 
 /// Default soft-warning ceiling when `PICLOUD_DISPATCHER_ASYNC_EXEC_TIMEOUT_SEC`
-/// is unset — matches `DEFAULT_ASYNC_EXEC_TIMEOUT` in dispatcher.rs.
-/// Kept as a constant rather than imported so the validator stays
-/// self-contained for unit tests.
-const DEFAULT_SAFE_VISIBILITY_VS_EXEC_BUDGET_SECS: u32 = 300;
+/// is unset. Re-exported from the dispatcher so the single source of
+/// truth for the executor-budget default lives in one place — a future
+/// change to the dispatcher default shifts the visibility-timeout warn
+/// boundary in lockstep.
+use crate::dispatcher::DEFAULT_ASYNC_EXEC_TIMEOUT_SECS as DEFAULT_SAFE_VISIBILITY_VS_EXEC_BUDGET_SECS;
 
 /// Read the dispatcher's per-message executor budget at validation
 /// time so the warn-threshold tracks the live env-overridable value