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/zalouser/src/channel.ts

@@ -625,7 +625,7 @@ export const zalouserPlugin: ChannelPlugin<ResolvedZalouserAccount> = {
         }
         ctx.setStatus({
           accountId: account.accountId,
-          user: userInfo,
+          profile: userInfo,
         });
       } catch {
         // ignore probe errors

extensions/zalouser/src/tool.ts

@@ -3,6 +3,11 @@ import { runZca, parseJsonOutput } from "./zca.js";
 
 const ACTIONS = ["send", "image", "link", "friends", "groups", "me", "status"] as const;
 
+type AgentToolResult = {
+  content: Array<{ type: string; text: string }>;
+  details?: unknown;
+};
+
 function stringEnum<T extends readonly string[]>(
   values: T,
   options: { description?: string } = {},
@@ -38,12 +43,7 @@ type ToolParams = {
   url?: string;
 };
 
-type ToolResult = {
-  content: Array<{ type: string; text: string }>;
-  details: unknown;
-};
-
-function json(payload: unknown): ToolResult {
+function json(payload: unknown): AgentToolResult {
   return {
     content: [{ type: "text", text: JSON.stringify(payload, null, 2) }],
     details: payload,
@@ -53,7 +53,9 @@ function json(payload: unknown): ToolResult {
 export async function executeZalouserTool(
   _toolCallId: string,
   params: ToolParams,
-): Promise<ToolResult> {
+  _signal?: AbortSignal,
+  _onUpdate?: unknown,
+): Promise<AgentToolResult> {
   try {
     switch (params.action) {
       case "send": {