diff --git a/packages/cli/src/config/types.ts b/packages/cli/src/config/types.ts
index bcc77c8..17241cf 100644
--- a/packages/cli/src/config/types.ts
+++ b/packages/cli/src/config/types.ts
@@ -137,6 +137,8 @@ export interface Options {
   inconsistentNamingWarnings: boolean;
 }
 
+export type EnvPatternName = 'process.env' | 'import.meta.env' | 'sveltekit';
+
 /**
  * Represents a single usage of an environment variable in the codebase.
  */
@@ -150,7 +152,7 @@ export interface EnvUsage {
   /** The column number where the usage was detected */
   column: number;
   /** The pattern used to access the environment variable */
-  pattern: 'process.env' | 'import.meta.env' | 'sveltekit';
+  pattern: EnvPatternName;
   /** List of imported env modules (for sveltekit) */
   imports?: string[];
   /** The actual line content where the usage was detected */
diff --git a/packages/cli/src/core/scan/patterns.ts b/packages/cli/src/core/scan/patterns.ts
index 0fb8fe7..bcb89a1 100644
--- a/packages/cli/src/core/scan/patterns.ts
+++ b/packages/cli/src/core/scan/patterns.ts
@@ -1,5 +1,7 @@
+import type { EnvPatternName } from '../../config/types.js';
+
 type Pattern = {
-  name: 'process.env' | 'import.meta.env' | 'sveltekit';
+  name: EnvPatternName;
   regex: RegExp;
   processor?: (match: RegExpExecArray) => string[];
 };
@@ -19,7 +21,7 @@ export const ENV_PATTERNS: Pattern[] = [
    *   process.env['MY_KEY']
    */
   {
-    name: 'process.env',
+    name: 'process.env' as const,
     regex:
       /process\.env\.([A-Z_][A-Z0-9_]*)|process\.env\[['"]([A-Z_][A-Z0-9_]*)['"]]/g,
     processor: (match) => {
@@ -38,7 +40,7 @@ export const ENV_PATTERNS: Pattern[] = [
    *   const { MY_KEY, OTHER_KEY: alias, THIRD_KEY = "fallback" } = process.env
    */
   {
-    name: 'process.env',
+    name: 'process.env' as const,
     regex: /\{([^}]*)\}\s*=\s*process\.env\b/g,
     processor: (match) => {
       const content = match[1];
@@ -69,7 +71,7 @@ export const ENV_PATTERNS: Pattern[] = [
    *   import.meta.env['MY_KEY']
    */
   {
-    name: 'import.meta.env',
+    name: 'import.meta.env' as const,
     regex:
       /import\.meta\.env\.([A-Z_][A-Z0-9_]*)|import\.meta\.env\[['"]([A-Z_][A-Z0-9_]*)['"]]/g,
     processor: (match) => {