diff --git a/package.json b/package.json
index d828a48..a23f5b1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,8 @@
 {
   "name": "opencode-pty",
-  "module": "index.ts",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "module": "dist/index.js",
   "version": "0.3.1",
   "description": "OpenCode plugin for interactive PTY management - run background processes, send input, read output with regex filtering",
   "author": "shekohex",
@@ -26,27 +28,40 @@
   },
   "homepage": "https://github.com/shekohex/opencode-pty#readme",
   "files": [
-    "index.ts",
-    "src",
     "dist"
   ],
   "license": "MIT",
   "type": "module",
   "exports": {
-    "./server": "./index.ts",
-    "./*": "./src/*.ts",
-    "./*/*": "./src/*/*.ts",
-    "./*/*/*": "./src/*/*/*.ts",
-    "./*/*/*/*": "./src/*/*/*/*.ts",
-    "./*/*/*/*/*": "./src/*/*/*/*/*.ts"
+    ".": {
+      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js"
+    },
+    "./*": {
+      "types": "./dist/src/*.d.ts",
+      "default": "./dist/src/*.js"
+    },
+    "./*/*": {
+      "types": "./dist/src/*/*.d.ts",
+      "default": "./dist/src/*/*.js"
+    },
+    "./*/*/*": {
+      "types": "./dist/src/*/*/*.d.ts",
+      "default": "./dist/src/*/*/*.js"
+    },
+    "./*/*/*/*": {
+      "types": "./dist/src/*/*/*/*.d.ts",
+      "default": "./dist/src/*/*/*/*.js"
+    }
   },
   "scripts": {
     "typecheck": "tsc --noEmit",
     "unittest": "bun test",
     "test:e2e": "PW_DISABLE_TS_ESM=1 NODE_ENV=test bun --bun playwright test",
     "test:all": "bun unittest && bun test:e2e",
-    "build:dev": "bun clean && vite build --mode development",
-    "build:prod": "bun clean && vite build --mode production",
+    "build:plugin": "tsc -p tsconfig.build.json && bun x copyfiles -u 0 \"src/**/*.txt\" dist",
+    "build:dev": "bun clean && bun build:plugin && vite build --mode development",
+    "build:prod": "bun clean && bun build:plugin && vite build --mode production",
     "prepack": "bun build:prod",
     "clean": "rm -rf dist playwright-report test-results",
     "lint": "biome lint .",
diff --git a/src/web/server/handlers/static.ts b/src/web/server/handlers/static.ts
index c62d018..1c354c7 100644
--- a/src/web/server/handlers/static.ts
+++ b/src/web/server/handlers/static.ts
@@ -1,10 +1,11 @@
-import { resolve } from 'node:path'
 import { readdirSync, statSync } from 'node:fs'
-import { join, extname } from 'node:path'
+import { extname, join, resolve } from 'node:path'
 import { ASSET_CONTENT_TYPES } from '../../shared/constants.ts'
 
 // ----- MODULE-SCOPE CONSTANTS -----
-const PROJECT_ROOT = resolve(import.meta.dir, '../../../..')
+// Resolve project root regardless of whether we're running from source or dist/
+const MODULE_DIR = resolve(import.meta.dir, '../../../..')
+const PROJECT_ROOT = MODULE_DIR.replace(/[\\/]dist$/, '')
 const SECURITY_HEADERS = {
   'X-Content-Type-Options': 'nosniff',
   'X-Frame-Options': 'DENY',
diff --git a/test/npm-pack-integration.test.ts b/test/npm-pack-integration.test.ts
index 4482506..5e3cc64 100644
--- a/test/npm-pack-integration.test.ts
+++ b/test/npm-pack-integration.test.ts
@@ -87,9 +87,9 @@ describe('npm pack integration', () => {
       join(tempDir, 'test', 'start-server.ts')
     )
 
-    // Verify the package structure
+    // Verify the package structure (compiled JS shipped in dist/)
     const packageDir = join(tempDir, 'node_modules/opencode-pty')
-    expect(existsSync(join(packageDir, 'src/plugin/pty/manager.ts'))).toBe(true)
+    expect(existsSync(join(packageDir, 'dist/src/plugin/pty/manager.js'))).toBe(true)
     expect(existsSync(join(packageDir, 'dist/web/index.html'))).toBe(true)
     const portFile = join('/tmp', 'test-server-port-0.txt')
     if (await Bun.file(portFile).exists()) {
diff --git a/tsconfig.build.json b/tsconfig.build.json
new file mode 100644
index 0000000..c371385
--- /dev/null
+++ b/tsconfig.build.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "noEmit": false,
+    "rootDir": ".",
+    "outDir": "dist",
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "allowImportingTsExtensions": false,
+    "rewriteRelativeImportExtensions": true
+  },
+  "include": ["index.ts", "src/**/*.ts"],
+  "exclude": ["src/web/client/**", "**/*.test.ts", "**/*.spec.ts"]
+}