fix: resolve TypeScript deep type instantiation error in OpenAPI generation

The fork's additional routes pushed Hono's type depth over TypeScript's limit.
Added type cast to break the chain in generateSpecs() call.

Author: shuv1337

packages/app/.gitignore

@@ -1 +1,2 @@
 src/assets/theme.css
+dev-dist/

packages/opencode/src/server/server.ts

@@ -2837,7 +2837,8 @@ export namespace Server {
   )
 
   export async function openapi() {
-    const result = await generateSpecs(App(), {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    const result = await generateSpecs(App() as any, {
       documentation: {
         info: {
           title: "opencode",