fix(sandbox): widen test cast to bridge sandbox stub onto { getState }

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: sweetmantech

lib/sandbox/__tests__/getSandboxReconnectHandler.test.ts

@@ -213,7 +213,7 @@ describe("getSandboxReconnectHandler", () => {
 { ...baseRow,sandbox_state: RUNTIME_STATE,lifecycle_state: "active"}asnever,
 ]);
 constsb=fakeAliveSandbox(newExpiresAt);
-(sbas{getState: ()=>unknown}).getState=()=>({
+(sbasunknownas{getState: ()=>unknown}).getState=()=>({
 type: "vercel",
 sandboxName: "session-sess-1",
 expiresAt: newExpiresAt,