TypeScript: add extensions to tsconfig and fix type errors (#12781)

* TypeScript: add extensions to tsconfig and fix type errors

- Add extensions/**/* to tsconfig.json includes
- Export ProviderAuthResult, AnyAgentTool from plugin-sdk
- Fix optional chaining for messageActions across channels
- Add missing type imports (MSTeamsConfig, GroupPolicy, etc.)
- Add type annotations for provider auth handlers
- Fix undici/fetch type compatibility in zalo proxy
- Correct ChannelAccountSnapshot property usage
- Add type casts for tool registrations
- Extract usage view styles and types to separate files

* TypeScript: fix optional debug calls and handleAction guards

extensions/nostr/src/nostr-profile-import.ts

@@ -130,7 +130,7 @@ export async function importProfileFromRelays(
               authors: [pubkey],
               limit: 1,
             },
-          ],
+          ] as unknown as Parameters<typeof pool.subscribeMany>[1],
           {
             onevent(event) {
               events.push({ event, relay });