feat(frontend): implementar paginacao numerada em listagens de tickets

- Adiciona tickets.listPaginated no backend com paginacao nativa Convex
- Converte TicketsView para usePaginatedQuery com controles numerados
- Converte PortalTicketList para usePaginatedQuery com controles numerados
- Atualiza tauri e @tauri-apps/api para versao 2.9

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

bun.lock

@@ -1,6 +1,5 @@
 {
   "lockfileVersion": 1,
-  "configVersion": 0,
   "workspaces": {
     "": {
       "name": "web",
@@ -104,7 +103,7 @@
       "dependencies": {
         "@radix-ui/react-scroll-area": "^1.2.3",
         "@radix-ui/react-tabs": "^1.1.13",
-        "@tauri-apps/api": "^2",
+        "@tauri-apps/api": "^2.9.1",
         "@tauri-apps/plugin-dialog": "^2.4.2",
         "@tauri-apps/plugin-opener": "^2",
         "@tauri-apps/plugin-process": "^2",