diff --git a/gitnexus/src/core/ingestion/scope-resolution/pipeline/run.ts b/gitnexus/src/core/ingestion/scope-resolution/pipeline/run.ts
index e2f217b42..151f421fd 100644
--- a/gitnexus/src/core/ingestion/scope-resolution/pipeline/run.ts
+++ b/gitnexus/src/core/ingestion/scope-resolution/pipeline/run.ts
@@ -172,11 +172,11 @@ export function runScopeResolution(
     methodDispatch: buildPopulatedMethodDispatch(mroByClassDefId),
   };
 
-  // Build the workspace resolution index ONCE — turns every
-  // findOwnedMember / findExportedDef / classScopeByDefId lookup in
-  // the downstream passes from O(N×D) to O(1). Must run AFTER
-  // populateOwners (so memberByOwner is correct) and AFTER
-  // finalize (so module-scope bindings are available).
+  // Build the workspace resolution index ONCE — scope-valued lookups
+  // (`classScopeByDefId`, `moduleScopeByFile`) that `SemanticModel`
+  // cannot carry. Must run AFTER `populateOwners` (so owned defs are
+  // attributed correctly) and AFTER finalize (so module-scope
+  // bindings are available).
   const workspaceIndex = buildWorkspaceResolutionIndex(parsedFiles);
 
   // Cross-file implicit-namespace visibility (C#). Must run before
diff --git a/gitnexus/src/core/ingestion/scope-resolution/scope/walkers.ts b/gitnexus/src/core/ingestion/scope-resolution/scope/walkers.ts
index a42fbeeb8..c92483b4e 100644
--- a/gitnexus/src/core/ingestion/scope-resolution/scope/walkers.ts
+++ b/gitnexus/src/core/ingestion/scope-resolution/scope/walkers.ts
@@ -292,10 +292,12 @@ export function findExportedDefByName(
   }
   // Workspace-wide fallback: iterate every file's Module scope (via
   // the scope-tied `moduleScopeByFile` lookup) and return the first
-  // locally-declared callable binding matching `name`. Mirrors the
-  // original `callablesBySimpleName[0]` semantics — first-seen-by-
-  // file wins, bindings filtered to `origin === 'local'` and the
-  // callable types Function/Method/Constructor.
+  // locally-declared callable binding matching `name`. First-seen-
+  // by-file wins; bindings filtered to `origin === 'local'` and the
+  // callable types Function/Method/Constructor. We walk scopes here
+  // rather than consult `SemanticModel.symbols.lookupCallableByName`
+  // because the `origin === 'local'` module-export-visibility filter
+  // is a scope concept the raw symbol index doesn't express.
   for (const [, moduleScope] of index.moduleScopeByFile) {
     const refs = moduleScope.bindings.get(name);
     if (refs === undefined) continue;