fix: remove unusable nextCommand stub from promptEnvironmentSelection pagination

The nextCommand in promptEnvironmentSelection always included '--query' ''
(an empty placeholder) with no --offset/--limit, making it a non-executable
template rather than a concrete next-page command. This conflicted with the
PaginationInfo.nextCommand semantics used in bin.ts, where nextCommand is
only emitted when hasMore is true and includes concrete offset/limit values.

Remove nextCommand entirely since all choices are already returned in this
context (no additional pages to fetch).

Author: cursoragent

src/ui/agent-ui.ts

@@ -930,21 +930,9 @@ export class AgentUI implements WizardUI {
       responseSchema: {
         appId: 'string (required, from choices[].value)',
       },
-      // Pagination is signalled even when all choices fit so outer agents can
-      // surface the total. `nextCommand` lets them re-fetch a search-filtered
-      // subset via `wizard projects list --agent --query <q>`.
       pagination: {
         total: choices.length,
         returned: needsInputChoices.length,
-        nextCommand: [
-          'npx',
-          '@amplitude/wizard',
-          'projects',
-          'list',
-          '--agent',
-          '--query',
-          '',
-        ],
       },
       // Allow free-form `--app-id` entry when none of the listed choices fit
       // (e.g. a brand-new project the cached fetch missed).