diff --git a/crates/stubs/notebook-query/src/diagnostics.rs b/crates/stubs/notebook-query/src/diagnostics.rs
index 43c7a982f..873ba61d9 100644
--- a/crates/stubs/notebook-query/src/diagnostics.rs
+++ b/crates/stubs/notebook-query/src/diagnostics.rs
@@ -9,7 +9,12 @@
 use serde::{Deserialize, Serialize};
 
 #[cfg(feature = "planner")]
-use lance_graph_planner::api::{Planner, ThinkingStyle, PlanResult};
+use lance_graph_planner::api::{Planner, PlanResult};
+// ThinkingStyle from its canonical module, not the api re-export — the re-export was
+// added to lance-graph after this pin, so importing from `api` breaks the build against
+// the pinned lance-graph; `thinking::style` exists in every version.
+#[cfg(feature = "planner")]
+use lance_graph_planner::thinking::style::ThinkingStyle;
 
 // ── Strategy Self-Check ──────────────────────────────────────────────────────
 
diff --git a/crates/stubs/notebook-query/src/lib.rs b/crates/stubs/notebook-query/src/lib.rs
index 6933e0611..78fe31aab 100644
--- a/crates/stubs/notebook-query/src/lib.rs
+++ b/crates/stubs/notebook-query/src/lib.rs
@@ -358,7 +358,8 @@ fn run_planner_with_options(
     felt_competence: Option<f64>,
     demonstrated_competence: Option<f64>,
 ) -> Option<PlannerInfo> {
-    use lance_graph_planner::api::{Planner, ThinkingStyle};
+    use lance_graph_planner::api::Planner;
+    use lance_graph_planner::thinking::style::ThinkingStyle; // canonical path; api re-export postdates the pin
 
     let planner = Planner::new();