Fix Electron resolution for optional chromadb dependency

Replace dynamic ESM import with require() for chromadb to ensure
Electron can resolve the package against the plugin's node_modules.
Also wrap default fetch fallback in an arrow function to avoid
potential strict mode issues with global fetch.

main.js

@@ -1,9 +1,7 @@
 "use strict";
-var __create = Object.create;
 var __defProp = Object.defineProperty;
 var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
 var __getOwnPropNames = Object.getOwnPropertyNames;
-var __getProtoOf = Object.getPrototypeOf;
 var __hasOwnProp = Object.prototype.hasOwnProperty;
 var __export = (target, all) => {
   for (var name in all)
@@ -17,14 +15,6 @@ var __copyProps = (to, from, except, desc) => {
   }
   return to;
 };
-var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
-  // If the importer is in node compatibility mode or this is not an ESM
-  // file that has been converted to a CommonJS file using a Babel-
-  // compatible transform (i.e. "__esModule" has not been set), then set
-  // "default" to the CommonJS "module.exports" for node compatibility.
-  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
-  mod
-));
 var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
 
 // src/main.ts
@@ -194,7 +184,8 @@ var SemanticCacheService = class _SemanticCacheService {
   async initialize() {
     if (!this.config.enabled) return;
     try {
-      const { ChromaClient } = await import("chromadb");
+      const chromadb = require("chromadb");
+      const { ChromaClient } = chromadb;
       const chromaURL = this.config.chromaURL || "http://localhost:8000";
       this.client = new ChromaClient({ path: chromaURL });
       this.collection = await this.client.getOrCreateCollection({
@@ -285,7 +276,7 @@ var OllamaClient = class {
     this.currentStreamController = null;
     this.baseURL = baseURL;
     this.model = model;
-    this.fetchFn = fetchFn ?? fetch;
+    this.fetchFn = fetchFn ?? ((url, init) => fetch(url, init));
     if (cacheConfig?.enabled) {
       this.cacheService = new SemanticCacheService(baseURL, cacheConfig);
       void this.cacheService.initialize();