diff --git a/gitnexus-web/src/config/supported-languages.ts b/gitnexus-web/src/config/supported-languages.ts
index 9282f16ed1..4c51b56abc 100644
--- a/gitnexus-web/src/config/supported-languages.ts
+++ b/gitnexus-web/src/config/supported-languages.ts
@@ -10,5 +10,6 @@ export enum SupportedLanguages {
     Rust = 'rust',
     PHP = 'php',
     Ruby = 'ruby',
+    Kotlin = 'kotlin',
     Swift = 'swift',
 }
\ No newline at end of file
diff --git a/gitnexus-web/src/core/ingestion/call-routing.ts b/gitnexus-web/src/core/ingestion/call-routing.ts
index 96a9d54fd8..5a112aca15 100644
--- a/gitnexus-web/src/core/ingestion/call-routing.ts
+++ b/gitnexus-web/src/core/ingestion/call-routing.ts
@@ -27,7 +27,7 @@ export type CallRouter = (
 const noRouting: CallRouter = () => null;
 
 /** Per-language call routing. noRouting = no special routing (normal call processing) */
-export const callRouters: Record<SupportedLanguages, CallRouter> = {
+export const callRouters = {
   [SupportedLanguages.JavaScript]: noRouting,
   [SupportedLanguages.TypeScript]: noRouting,
   [SupportedLanguages.Python]: noRouting,
@@ -40,7 +40,8 @@ export const callRouters: Record<SupportedLanguages, CallRouter> = {
   [SupportedLanguages.CPlusPlus]: noRouting,
   [SupportedLanguages.C]: noRouting,
   [SupportedLanguages.Ruby]: routeRubyCall,
-};
+  [SupportedLanguages.Kotlin]: noRouting,
+} satisfies Record<SupportedLanguages, CallRouter>;
 
 // ── Result types ────────────────────────────────────────────────────────────
 
diff --git a/gitnexus/src/core/ingestion/call-routing.ts b/gitnexus/src/core/ingestion/call-routing.ts
index 50a91d29bb..8916d2a114 100644
--- a/gitnexus/src/core/ingestion/call-routing.ts
+++ b/gitnexus/src/core/ingestion/call-routing.ts
@@ -27,7 +27,7 @@ export type CallRouter = (
 const noRouting: CallRouter = () => null;
 
 /** Per-language call routing. noRouting = no special routing (normal call processing) */
-export const callRouters: Record<SupportedLanguages, CallRouter> = {
+export const callRouters = {
   [SupportedLanguages.JavaScript]: noRouting,
   [SupportedLanguages.TypeScript]: noRouting,
   [SupportedLanguages.Python]: noRouting,
@@ -41,7 +41,7 @@ export const callRouters: Record<SupportedLanguages, CallRouter> = {
   [SupportedLanguages.CPlusPlus]: noRouting,
   [SupportedLanguages.C]: noRouting,
   [SupportedLanguages.Ruby]: routeRubyCall,
-};
+} satisfies Record<SupportedLanguages, CallRouter>;
 
 // ── Result types ────────────────────────────────────────────────────────────