diff --git a/gitnexus/src/core/ingestion/languages/rust/query.ts b/gitnexus/src/core/ingestion/languages/rust/query.ts
index a0e75f0fa..bef3f1bd7 100644
--- a/gitnexus/src/core/ingestion/languages/rust/query.ts
+++ b/gitnexus/src/core/ingestion/languages/rust/query.ts
@@ -10,6 +10,7 @@ const RUST_SCOPE_QUERY = `
 (enum_item) @scope.class
 (union_item) @scope.class
 (function_item) @scope.function
+(function_signature_item) @scope.function
 (closure_expression) @scope.function
 (block) @scope.block
 (if_expression) @scope.block
@@ -55,6 +56,14 @@ const RUST_SCOPE_QUERY = `
 (function_item
   name: (identifier) @declaration.name) @declaration.function
 
+;; Declarations — trait method signature (required method, no body,
+;; e.g. fn foo(self) -> T; inside a trait body). Without this, an abstract
+;; trait method is invisible to scope resolution — never owned by its
+;; trait's Class scope, so a dyn Trait receiver can never dispatch to
+;; it (#2604).
+(function_signature_item
+  name: (identifier) @declaration.name) @declaration.function
+
 ;; Declarations — struct fields
 (field_declaration
   name: (field_identifier) @declaration.name