diff --git a/lib/shared-store/__tests__/server-state-guard.test.ts b/lib/shared-store/__tests__/server-state-guard.test.ts
index d64fdd8be..8135e5bc0 100644
--- a/lib/shared-store/__tests__/server-state-guard.test.ts
+++ b/lib/shared-store/__tests__/server-state-guard.test.ts
@@ -50,6 +50,8 @@ describe('the scan', () => {
         'const sessions = new Map<string, number>();',
         'let counter = 0;',
         'const queue: string[] = [];',
+        'export const NONE = [] as const;',
+        'const later = [] as string[];',
         "const budget = createFailureBudget({ name: 'x' });",
         "const pattern = new RegExp('x');",
         'function f() {',
@@ -59,7 +61,7 @@ describe('the scan', () => {
         "(globalThis as any)[KEY] ??= new Map();",
       ].join('\n'));
       const names = findStateSites(dir, file).map((s) => s.name);
-      expect(names).toEqual(['sessions', 'counter', 'queue', 'budget', 'globalThis:KEY']);
+      expect(names).toEqual(['sessions', 'counter', 'queue', 'later', 'budget', 'globalThis:KEY']);
     } finally {
       rmSync(dir, { recursive: true, force: true });
     }
diff --git a/lib/shared-store/__tests__/server-state-scan.ts b/lib/shared-store/__tests__/server-state-scan.ts
index 3ede53417..8576c2e9d 100644
--- a/lib/shared-store/__tests__/server-state-scan.ts
+++ b/lib/shared-store/__tests__/server-state-scan.ts
@@ -13,7 +13,7 @@ import path from 'node:path';
  * - top-level `const x = new Something(`, except constructors of values that
  *   can't change (RegExp, URL, TextEncoder/TextDecoder, Intl.*, Error types);
  * - top-level `const x = []` / `{}` / `new Map()`… (empty containers, which
- *   only exist to be filled);
+ *   only exist to be filled; `[] as const` is a readonly tuple and can't be);
  * - top-level `const x = createSomethingBudget|Cache|Store|Limiter(`;
  * - any `globalThis` access that stores something (`??=`, `= new`, `[KEY] =`).
  *
@@ -130,7 +130,7 @@ export function findStateSites(root: string, file: string): StateSite[] {
       // SCREAMING_CASE tables built once from a literal list are constants by convention.
       const constantTable = /^[A-Z][A-Z0-9_]*$/.test(name) && /^new (Set|Map)(<.*?>)?\(\s*\S/.test(value) && !/^new (Set|Map)(<.*?>)?\(\s*\)/.test(value);
       const isNew = /^new\s/.test(value) && !IMMUTABLE_CONSTRUCTORS.test(value) && !constantTable;
-      const isEmpty = /^(\[\s*\]|\{\s*\})\s*(as\s.+)?;?$/.test(value);
+      const isEmpty = /^(\[\s*\]|\{\s*\})\s*(as\s.+)?;?$/.test(value) && !/^(\[\s*\]|\{\s*\})\s*as\s+const\s*;?$/.test(value);
       const isFactory = /^create\w*(Budget|Cache|Store|Limiter|Queue)\s*[(<]/.test(value);
       if (isNew || isEmpty || isFactory) sites.push({ file: rel, name, line: i + 1, text: raw.trim() });
       return;