input merging without zod

const baseProcedure = t.procedure
  .input(i => i as { townName: string })
  .use((opts) => {
    const input = opts.input;
    console.log(`Handling request with user from: ${input.townName}`); 
    return opts.next();
  });
 
export const appRouter = t.router({
  hello: baseProcedure
    .input(i => i as { name: string })
    .query((opts) => {
      const input = opts.input; // <-- object with both properties
      return {
        greeting: `Hello ${input.name}, my friend from ${input.townName}`,
      };
    }),
});