Fix type annotations for npm packages in Deno

- Add explicit type imports for node:http (IncomingMessage, ServerResponse)
- Add explicit FSWatcher type annotation for chokidar watcher

These explicit types ensure consistent type checking across different
Deno environments and caching states.

Author: Taras Mankovski

fx/request.test.ts

@@ -2,17 +2,23 @@ import { beforeEach, describe, it } from "@effectionx/bdd";
 import { expect } from "@std/expect";
 
 import { call, ensure, withResolvers } from "effection";
-import { createServer } from "node:http";
+import {
+  createServer,
+  type IncomingMessage,
+  type ServerResponse,
+} from "node:http";
 import { json, request } from "./request.ts";
 
 // Ensure to run tests with --allow-net permission
 describe("request() and json()", () => {
   let url: string;
   beforeEach(function* () {
-    let server = createServer((_req, res) => {
-      res.writeHead(200, { "Content-Type": "application/json" });
-      res.end(JSON.stringify({ id: 1, title: "do things" }));
-    });
+    let server = createServer(
+      (_req: IncomingMessage, res: ServerResponse) => {
+        res.writeHead(200, { "Content-Type": "application/json" });
+        res.end(JSON.stringify({ id: 1, title: "do things" }));
+      },
+    );
 
     const ready = withResolvers<void>();
     server.listen(0, () => ready.resolve());

watch/watch.ts

@@ -1,6 +1,6 @@
 import { exists } from "@std/fs";
 import { join, relative } from "@std/path";
-import chokidar, { type EmitArgsWithName } from "chokidar";
+import chokidar, { type EmitArgsWithName, type FSWatcher } from "chokidar";
 import {
   call,
   createChannel,
@@ -105,7 +105,7 @@ export function watch(options: WatchOptions): Stream<Start, never> {
 
     let gitignored = yield* findIgnores(options.path);
 
-    let watcher = chokidar.watch(options.path, {
+    let watcher: FSWatcher = chokidar.watch(options.path, {
       ignored: (path) => {
         let relpath = relative(options.path, path);
         let isGit = relpath === ".git" || relpath.startsWith(".git");