From 341a4ac296cab2daabaaf8f4a9548ac6d9bf8920 Mon Sep 17 00:00:00 2001
From: Bohdan Triapitsyn <artmore@protonmail.com>
Date: Fri, 5 Jun 2026 20:35:53 +0300
Subject: [PATCH] fix: drop WSL OpenCode binary support on Windows

---
 .../components/onboarding/ChooserScreen.tsx   |   5 +-
 .../onboarding/LocalSetupScreen.tsx           |   7 +-
 packages/ui/src/lib/i18n/messages/en.ts       |  14 +-
 packages/ui/src/lib/i18n/messages/es.ts       |  14 +-
 packages/ui/src/lib/i18n/messages/ko.ts       |  14 +-
 packages/ui/src/lib/i18n/messages/pl.ts       |  14 +-
 packages/ui/src/lib/i18n/messages/pt-BR.ts    |  14 +-
 packages/ui/src/lib/i18n/messages/uk.ts       |  14 +-
 packages/ui/src/lib/i18n/messages/zh-CN.ts    |  14 +-
 packages/ui/src/lib/i18n/messages/zh-TW.ts    |  14 +-
 packages/web/server/index.js                  |  15 --
 .../web/server/lib/opencode/env-runtime.js    | 170 +-----------------
 .../server/lib/opencode/env-runtime.test.js   |  30 ++--
 packages/web/server/lib/opencode/lifecycle.js |  22 +--
 .../web/server/lib/opencode/lifecycle.test.js |   2 -
 15 files changed, 79 insertions(+), 284 deletions(-)

diff --git a/packages/ui/src/components/onboarding/ChooserScreen.tsx b/packages/ui/src/components/onboarding/ChooserScreen.tsx
index 754aefc3..f68d7871 100644
--- a/packages/ui/src/components/onboarding/ChooserScreen.tsx
+++ b/packages/ui/src/components/onboarding/ChooserScreen.tsx
@@ -14,7 +14,6 @@ import { runtimeFetch } from '@/lib/runtime-fetch';
 
 const INSTALL_COMMAND = 'curl -fsSL https://opencode.ai/install | bash';
 const DOCS_URL = 'https://opencode.ai/docs';
-const WINDOWS_WSL_DOCS_URL = 'https://opencode.ai/docs/windows-wsl';
 const POLL_INTERVAL_MS = 2500;
 
 type OnboardingPlatform = 'macos' | 'linux' | 'windows' | 'unknown';
@@ -216,7 +215,7 @@ export function ChooserScreen({ onCliAvailable }: ChooserScreenProps) {
     }
   }, []);
 
-  const docsUrl = platform === 'windows' ? WINDOWS_WSL_DOCS_URL : DOCS_URL;
+  const docsUrl = DOCS_URL;
   const binaryPlaceholder =
     platform === 'windows'
       ? 'C:\\Users\\you\\AppData\\Roaming\\npm\\opencode.cmd'
@@ -286,7 +285,6 @@ export function ChooserScreen({ onCliAvailable }: ChooserScreenProps) {
               <div className="rounded-lg border border-border bg-background/50 p-4">
                 <div className="text-sm text-foreground">{t('onboarding.localSetup.windows.title')}</div>
                 <ol className="mt-2 list-decimal space-y-1 pl-5 text-sm text-muted-foreground">
-                  <li>{t('onboarding.localSetup.windows.stepInstallWsl')} <code className="text-foreground/80">wsl --install</code> {t('onboarding.localSetup.windows.stepInstallWslSuffix')}</li>
                   <li>{t('onboarding.localSetup.windows.stepRunInstallInWsl')}</li>
                   <li>{t('onboarding.localSetup.windows.stepSetBinaryPath')}</li>
                 </ol>
@@ -418,7 +416,6 @@ export function ChooserScreen({ onCliAvailable }: ChooserScreenProps) {
               <ul className="pb-4 space-y-1.5 text-xs text-muted-foreground list-disc pl-4">
                 {platform === 'windows' ? (
                   <>
-                    <li>{t('onboarding.localSetup.windows.hintInstallInWsl')}</li>
                     <li>{t('onboarding.localSetup.windows.hintDetectionFailed')}</li>
                   </>
                 ) : (
diff --git a/packages/ui/src/components/onboarding/LocalSetupScreen.tsx b/packages/ui/src/components/onboarding/LocalSetupScreen.tsx
index 2d5f7434..3f4edbe1 100644
--- a/packages/ui/src/components/onboarding/LocalSetupScreen.tsx
+++ b/packages/ui/src/components/onboarding/LocalSetupScreen.tsx
@@ -11,7 +11,6 @@ import { runtimeFetch } from '@/lib/runtime-fetch';
 
 const INSTALL_COMMAND = 'curl -fsSL https://opencode.ai/install | bash';
 const DOCS_URL = 'https://opencode.ai/docs';
-const WINDOWS_WSL_DOCS_URL = 'https://opencode.ai/docs/windows-wsl';
 
 type OnboardingPlatform = 'macos' | 'linux' | 'windows' | 'unknown';
 
@@ -202,7 +201,7 @@ export function LocalSetupScreen({
     }
   }, [checkCliAvailability, onCliAvailable, t]);
 
-  const docsUrl = platform === 'windows' ? WINDOWS_WSL_DOCS_URL : DOCS_URL;
+  const docsUrl = DOCS_URL;
   const binaryPlaceholder =
     platform === 'windows'
       ? 'C:\\Users\\you\\AppData\\Roaming\\npm\\opencode.cmd'
@@ -239,7 +238,6 @@ export function LocalSetupScreen({
           <div className="mx-auto max-w-2xl rounded-lg border border-border bg-background/50 p-4 text-left">
             <div className="text-sm text-foreground">{t('onboarding.localSetup.windows.title')}</div>
             <ol className="mt-2 list-decimal space-y-1 pl-5 text-sm text-muted-foreground">
-              <li>{t('onboarding.localSetup.windows.stepInstallWsl')} <code className="text-foreground/80">wsl --install</code> {t('onboarding.localSetup.windows.stepInstallWslSuffix')}</li>
               <li>{t('onboarding.localSetup.windows.stepRunInstallInWsl')}</li>
               <li>{t('onboarding.localSetup.windows.stepSetBinaryPath')}</li>
             </ol>
@@ -341,9 +339,6 @@ export function LocalSetupScreen({
         <div className="absolute bottom-8 left-0 right-0 text-center space-y-1">
           {platform === 'windows' ? (
             <>
-              <p className="text-sm text-muted-foreground/70">
-                {t('onboarding.localSetup.windows.hintInstallInWsl')}
-              </p>
               <p className="text-sm text-muted-foreground/70">
                 {t('onboarding.localSetup.windows.hintDetectionFailed')}
               </p>
diff --git a/packages/ui/src/lib/i18n/messages/en.ts b/packages/ui/src/lib/i18n/messages/en.ts
index bf016636..b17806a6 100644
--- a/packages/ui/src/lib/i18n/messages/en.ts
+++ b/packages/ui/src/lib/i18n/messages/en.ts
@@ -2334,13 +2334,13 @@ export const dict = {
   'onboarding.localSetup.dialog.selectOpencodeBinary': 'Select opencode binary',
   'onboarding.localSetup.errors.cliNotReady': 'OpenCode CLI is not ready yet. Please confirm installation is complete and try again.',
   'onboarding.localSetup.errors.detectionFailed': 'Detection failed',
-  'onboarding.localSetup.windows.title': 'Windows setup (WSL recommended)',
-  'onboarding.localSetup.windows.stepInstallWsl': 'Install WSL (if needed) with',
-  'onboarding.localSetup.windows.stepInstallWslSuffix': 'in PowerShell.',
-  'onboarding.localSetup.windows.stepRunInstallInWsl': 'Run the install command below inside your WSL terminal.',
+  'onboarding.localSetup.windows.title': 'Windows setup',
+  'onboarding.localSetup.windows.stepInstallWsl': 'Install OpenCode with the command below.',
+  'onboarding.localSetup.windows.stepInstallWslSuffix': '',
+  'onboarding.localSetup.windows.stepRunInstallInWsl': 'Run the install command below in a Windows terminal.',
   'onboarding.localSetup.windows.stepSetBinaryPath': 'If OpenChamber does not detect OpenCode automatically, set the binary path below.',
   'onboarding.localSetup.intro': 'OpenCode is the heart of OpenChamber — install it to get started.',
-  'onboarding.localSetup.docs.windows': 'OpenCode Windows + WSL docs',
+  'onboarding.localSetup.docs.windows': 'OpenCode docs',
   'onboarding.localSetup.docs.default': 'OpenCode docs',
   'onboarding.localSetup.actions.checking': 'Checking…',
   'onboarding.localSetup.actions.checkAndContinue': "I've completed installation, check and continue",
@@ -2356,8 +2356,8 @@ export const dict = {
   'onboarding.localSetup.helper.saveAndReload': 'Saves to OpenChamber settings and reloads OpenCode configuration.',
   'onboarding.localSetup.remotePreference': 'Prefer to use a remote server?',
   'onboarding.localSetup.actions.connectRemoteServer': 'Connect to Remote Server →',
-  'onboarding.localSetup.windows.hintInstallInWsl': 'On Windows, install and run OpenCode in WSL for best compatibility.',
-  'onboarding.localSetup.windows.hintDetectionFailed': 'If detection fails, set a native path (opencode.cmd/opencode.exe), wsl.exe, or wsl:/usr/local/bin/opencode.',
+  'onboarding.localSetup.windows.hintInstallInWsl': 'On Windows, install and run OpenCode natively.',
+  'onboarding.localSetup.windows.hintDetectionFailed': 'If detection fails, set a native path such as opencode.cmd or opencode.exe.',
   'onboarding.localSetup.hint.ensurePath': 'Already installed? Make sure opencode is in your PATH.',
   'onboarding.localSetup.hint.setEnv': 'Or set OPENCODE_BINARY environment variable.',
   'onboarding.localSetup.hint.missingRuntime': 'If you see "env: node: No such file or directory" or "env: bun: No such file or directory", install that runtime or ensure it is on PATH.',
diff --git a/packages/ui/src/lib/i18n/messages/es.ts b/packages/ui/src/lib/i18n/messages/es.ts
index 411355dd..70e83adf 100644
--- a/packages/ui/src/lib/i18n/messages/es.ts
+++ b/packages/ui/src/lib/i18n/messages/es.ts
@@ -2300,13 +2300,13 @@ export const dict: Record<I18nKey, string> = {
   "onboarding.localSetup.dialog.selectOpencodeBinary": "Seleccionar ejecutable de opencode",
   "onboarding.localSetup.errors.cliNotReady": "La CLI de OpenCode aún no está lista. Confirma que la instalación está completa y intenta de nuevo.",
   "onboarding.localSetup.errors.detectionFailed": "Error de detección",
-  "onboarding.localSetup.windows.title": "Configuración de Windows (recomendado WSL)",
-  "onboarding.localSetup.windows.stepInstallWsl": "Instala WSL (si es necesario) con",
-  "onboarding.localSetup.windows.stepInstallWslSuffix": "en PowerShell.",
-  "onboarding.localSetup.windows.stepRunInstallInWsl": "Ejecuta el comando de instalación a continuación dentro de tu terminal de WSL.",
+  "onboarding.localSetup.windows.title": "Configuración de Windows",
+  "onboarding.localSetup.windows.stepInstallWsl": "Instala OpenCode con el comando siguiente.",
+  "onboarding.localSetup.windows.stepInstallWslSuffix": "",
+  "onboarding.localSetup.windows.stepRunInstallInWsl": "Ejecuta el comando de instalación a continuación en una terminal de Windows.",
   "onboarding.localSetup.windows.stepSetBinaryPath": "Si OpenChamber no detecta OpenCode automáticamente, establece la ruta del ejecutable a continuación.",
   "onboarding.localSetup.intro": "OpenCode es el corazón de OpenChamber. Instálalo para empezar.",
-  "onboarding.localSetup.docs.windows": "Documentación de OpenCode para Windows + WSL",
+  "onboarding.localSetup.docs.windows": "Documentación de OpenCode",
   "onboarding.localSetup.docs.default": "Documentación de OpenCode",
   "onboarding.localSetup.actions.checking": "Verificando...",
   "onboarding.localSetup.actions.checkAndContinue": "He completado la instalación, verificar y continuar",
@@ -2322,8 +2322,8 @@ export const dict: Record<I18nKey, string> = {
   "onboarding.localSetup.helper.saveAndReload": "Guarda en la configuración de OpenChamber y recarga la configuración de OpenCode.",
   "onboarding.localSetup.remotePreference": "¿Prefieres usar un servidor remoto?",
   "onboarding.localSetup.actions.connectRemoteServer": "Conectar a un servidor remoto →",
-  "onboarding.localSetup.windows.hintInstallInWsl": "En Windows, instala y ejecuta OpenCode en WSL para mayor compatibilidad.",
-  "onboarding.localSetup.windows.hintDetectionFailed": "Si la detección falla, establece una ruta nativa (opencode.cmd/opencode.exe), wsl.exe, o wsl:/usr/local/bin/opencode.",
+  "onboarding.localSetup.windows.hintInstallInWsl": "En Windows, instala y ejecuta OpenCode de forma nativa.",
+  "onboarding.localSetup.windows.hintDetectionFailed": "Si la detección falla, establece una ruta nativa como opencode.cmd u opencode.exe.",
   "onboarding.localSetup.hint.ensurePath": "¿Ya está instalado? Asegúrate de que opencode esté en tu PATH.",
   "onboarding.localSetup.hint.setEnv": "O establece la variable de entorno OPENCODE_BINARY.",
   "onboarding.localSetup.hint.missingRuntime": "Si ves \"env: node: No such file or directory\" o \"env: bun: No such file or directory\", instala ese runtime o asegúrate de que esté en PATH.",
diff --git a/packages/ui/src/lib/i18n/messages/ko.ts b/packages/ui/src/lib/i18n/messages/ko.ts
index 44ea5cef..f2e81f3e 100644
--- a/packages/ui/src/lib/i18n/messages/ko.ts
+++ b/packages/ui/src/lib/i18n/messages/ko.ts
@@ -2334,13 +2334,13 @@ export const dict: Record<I18nKey, string> = {
   'onboarding.localSetup.dialog.selectOpencodeBinary': 'opencode 바이너리 선택',
   'onboarding.localSetup.errors.cliNotReady': 'OpenCode CLI가 아직 준비되지 않았습니다. 설치가 완료되었는지 확인하고 다시 시도하세요.',
   'onboarding.localSetup.errors.detectionFailed': '감지에 실패했습니다',
-  'onboarding.localSetup.windows.title': 'Windows 설정 (WSL 권장)',
-  'onboarding.localSetup.windows.stepInstallWsl': '필요하면 WSL 설치:',
-  'onboarding.localSetup.windows.stepInstallWslSuffix': 'PowerShell에서 실행하세요.',
-  'onboarding.localSetup.windows.stepRunInstallInWsl': '아래 설치 명령을 WSL 터미널에서 실행하세요.',
+  'onboarding.localSetup.windows.title': 'Windows 설정',
+  'onboarding.localSetup.windows.stepInstallWsl': '아래 명령으로 OpenCode를 설치하세요.',
+  'onboarding.localSetup.windows.stepInstallWslSuffix': '',
+  'onboarding.localSetup.windows.stepRunInstallInWsl': '아래 설치 명령을 Windows 터미널에서 실행하세요.',
   'onboarding.localSetup.windows.stepSetBinaryPath': 'OpenChamber가 OpenCode를 자동으로 찾지 못하면 아래에 바이너리 경로를 설정하세요.',
   'onboarding.localSetup.intro': 'OpenCode는 OpenChamber의 심장입니다. 먼저 설치하고 시작하세요.',
-  'onboarding.localSetup.docs.windows': 'OpenCode Windows + WSL 문서',
+  'onboarding.localSetup.docs.windows': 'OpenCode 문서',
   'onboarding.localSetup.docs.default': 'OpenCode 문서',
   'onboarding.localSetup.actions.checking': '확인 중…',
   'onboarding.localSetup.actions.checkAndContinue': '설치를 마쳤습니다. 확인 후 계속',
@@ -2356,8 +2356,8 @@ export const dict: Record<I18nKey, string> = {
   'onboarding.localSetup.helper.saveAndReload': 'OpenChamber 설정에 저장하고 OpenCode 구성을 다시 로드합니다.',
   'onboarding.localSetup.remotePreference': '원격 서버를 사용하시겠어요?',
   'onboarding.localSetup.actions.connectRemoteServer': '리모트 서버 연결 →',
-  'onboarding.localSetup.windows.hintInstallInWsl': 'Windows에서는 최상의 호환성을 위해 WSL에서 OpenCode를 설치하고 실행하세요.',
-  'onboarding.localSetup.windows.hintDetectionFailed': '감지에 실패하면 native 경로(opencode.cmd/opencode.exe), wsl.exe 또는 wsl:/usr/local/bin/opencode를 설정하세요.',
+  'onboarding.localSetup.windows.hintInstallInWsl': 'Windows에서는 OpenCode를 네이티브로 설치하고 실행하세요.',
+  'onboarding.localSetup.windows.hintDetectionFailed': '감지에 실패하면 opencode.cmd 또는 opencode.exe 같은 네이티브 경로를 설정하세요.',
   'onboarding.localSetup.hint.ensurePath': '이미 설치되어 있나요? opencode가 PATH에 있는지 확인하세요.',
   'onboarding.localSetup.hint.setEnv': '또는 `OPENCODE_BINARY` 환경 변수를 설정하세요.',
   'onboarding.localSetup.hint.missingRuntime': '"env: node: No such file or directory" 또는 "env: bun: No such file or directory"가 보이면 해당 런타임을 설치하거나 PATH에 있는지 확인하세요.',
diff --git a/packages/ui/src/lib/i18n/messages/pl.ts b/packages/ui/src/lib/i18n/messages/pl.ts
index 58571d8c..86288a12 100644
--- a/packages/ui/src/lib/i18n/messages/pl.ts
+++ b/packages/ui/src/lib/i18n/messages/pl.ts
@@ -791,12 +791,12 @@ export const dict: Record<I18nKey, string> = {
   'onboarding.localSetup.dialog.selectOpencodeBinary': 'Wybierz binarkę opencode',
   'onboarding.localSetup.errors.cliNotReady': 'OpenCode CLI nie jest jeszcze gotowy. Potwierdź, że instalacja jest kompletna i spróbuj ponownie.',
   'onboarding.localSetup.errors.detectionFailed': 'Wykrywanie nie powiodło się',
-  'onboarding.localSetup.windows.title': 'Konfiguracja Windows (zalecane WSL)',
-  'onboarding.localSetup.windows.stepInstallWsl': 'Zainstaluj WSL (jeśli potrzeba) z',
-  'onboarding.localSetup.windows.stepInstallWslSuffix': 'w PowerShell.',
-  'onboarding.localSetup.windows.stepRunInstallInWsl': 'Uruchom polecenie instalacji poniżej wewnątrz terminala WSL.',
+  'onboarding.localSetup.windows.title': 'Konfiguracja Windows',
+  'onboarding.localSetup.windows.stepInstallWsl': 'Zainstaluj OpenCode za pomocą poniższego polecenia.',
+  'onboarding.localSetup.windows.stepInstallWslSuffix': '',
+  'onboarding.localSetup.windows.stepRunInstallInWsl': 'Uruchom polecenie instalacji poniżej w terminalu Windows.',
   'onboarding.localSetup.windows.stepSetBinaryPath': 'Jeśli OpenChamber nie wykryje OpenCode automatycznie, ustaw ścieżkę binarki poniżej.',
-  'onboarding.localSetup.docs.windows': 'Wyświetl dokumentację Windows + WSL',
+  'onboarding.localSetup.docs.windows': 'Dokumentacja OpenCode',
   'onboarding.localSetup.docs.default': 'Wyświetl dokumentację',
   'onboarding.localSetup.actions.checking': 'Sprawdzanie...',
   'onboarding.localSetup.helper.checkAndContinue': 'Kliknij aby sprawdzić czy OpenCode CLI jest dostępny. Jeśli się uda, automatycznie przejdziesz do głównego ekranu.',
@@ -806,8 +806,8 @@ export const dict: Record<I18nKey, string> = {
   'onboarding.localSetup.helper.saveAndReload': 'Zapisuje do ustawień OpenChamber i przeładowuje konfigurację OpenCode.',
   'onboarding.localSetup.remotePreference': 'Wolisz używać zdalnego serwera?',
   'onboarding.localSetup.actions.connectRemoteServer': 'Połącz z serwerem zdalnym →',
-  'onboarding.localSetup.windows.hintInstallInWsl': 'W Windows, zainstaluj i uruchom OpenCode w WSL dla najlepszej kompatybilności.',
-  'onboarding.localSetup.windows.hintDetectionFailed': 'Jeśli wykrywanie nie powiedzie się, ustaw natywną ścieżkę (opencode.cmd/opencode.exe), wsl.exe, lub wsl:/usr/local/bin/opencode.',
+  'onboarding.localSetup.windows.hintInstallInWsl': 'W Windows zainstaluj i uruchom OpenCode natywnie.',
+  'onboarding.localSetup.windows.hintDetectionFailed': 'Jeśli wykrywanie nie powiedzie się, ustaw natywną ścieżkę, np. opencode.cmd lub opencode.exe.',
   'onboarding.localSetup.hint.ensurePath': 'Juz zainstalowane? Upewnij się, że opencode jest w twoim PATH.',
   'onboarding.localSetup.hint.setEnv': 'Lub ustaw zmienną środowiskową OPENCODE_BINARY.',
   'onboarding.localSetup.hint.missingRuntime': 'Jeśli widzisz "env: node: No such file or directory" lub "env: bun: No such file or directory", zainstaluj to środowisko lub upewnij się, że jest w PATH.',
diff --git a/packages/ui/src/lib/i18n/messages/pt-BR.ts b/packages/ui/src/lib/i18n/messages/pt-BR.ts
index 21489feb..3d3faac6 100644
--- a/packages/ui/src/lib/i18n/messages/pt-BR.ts
+++ b/packages/ui/src/lib/i18n/messages/pt-BR.ts
@@ -2300,13 +2300,13 @@ export const dict: Record<I18nKey, string> = {
   "onboarding.localSetup.dialog.selectOpencodeBinary": "Selecionar executável de opencode",
   "onboarding.localSetup.errors.cliNotReady": "A CLI do OpenCode ainda não está pronta. Confirme que a instalação está completa e tente novamente.",
   "onboarding.localSetup.errors.detectionFailed": "Erro de detecção",
-  "onboarding.localSetup.windows.title": "Configuração no Windows (WSL recomendado)",
-  "onboarding.localSetup.windows.stepInstallWsl": "Instale WSL (se necessário) com",
-  "onboarding.localSetup.windows.stepInstallWslSuffix": "no PowerShell.",
-  "onboarding.localSetup.windows.stepRunInstallInWsl": "Execute o comando de instalação a seguir dentro de seu terminal de WSL.",
+  "onboarding.localSetup.windows.title": "Configuração no Windows",
+  "onboarding.localSetup.windows.stepInstallWsl": "Instale o OpenCode com o comando abaixo.",
+  "onboarding.localSetup.windows.stepInstallWslSuffix": "",
+  "onboarding.localSetup.windows.stepRunInstallInWsl": "Execute o comando de instalação abaixo em um terminal do Windows.",
   "onboarding.localSetup.windows.stepSetBinaryPath": "Se o OpenChamber não detectar o OpenCode automaticamente, defina o caminho do executável a seguir.",
   "onboarding.localSetup.intro": "OpenCode é o coração do OpenChamber. Instale-o para começar.",
-  "onboarding.localSetup.docs.windows": "Documentação do OpenCode para Windows + WSL",
+  "onboarding.localSetup.docs.windows": "Documentação do OpenCode",
   "onboarding.localSetup.docs.default": "Documentação do OpenCode",
   "onboarding.localSetup.actions.checking": "Verificando...",
   "onboarding.localSetup.actions.checkAndContinue": "Concluí a instalação, verificar e continuar",
@@ -2322,8 +2322,8 @@ export const dict: Record<I18nKey, string> = {
   "onboarding.localSetup.helper.saveAndReload": "Salve nas configurações do OpenChamber e recarregue configurações do OpenCode.",
   "onboarding.localSetup.remotePreference": "Prefere usar um servidor remoto?",
   "onboarding.localSetup.actions.connectRemoteServer": "Conectar a um servidor remoto →",
-  "onboarding.localSetup.windows.hintInstallInWsl": "No Windows, instale e execute OpenCode no WSL para maior compatibilidade.",
-  "onboarding.localSetup.windows.hintDetectionFailed": "Se a detecção falhar, defina um caminho nativo (opencode.cmd/opencode.exe), wsl.exe ou wsl:/usr/local/bin/opencode.",
+  "onboarding.localSetup.windows.hintInstallInWsl": "No Windows, instale e execute o OpenCode nativamente.",
+  "onboarding.localSetup.windows.hintDetectionFailed": "Se a detecção falhar, defina um caminho nativo, como opencode.cmd ou opencode.exe.",
   "onboarding.localSetup.hint.ensurePath": "Já está instalado? Confira se opencode está no seu PATH.",
   "onboarding.localSetup.hint.setEnv": "Ou defina a variável de ambiente OPENCODE_BINARY.",
   "onboarding.localSetup.hint.missingRuntime": "Se você vir \"env: node: No such file or directory\" ou \"env: bun: No such file or directory\", instale esse runtime ou confira se ele está no PATH.",
diff --git a/packages/ui/src/lib/i18n/messages/uk.ts b/packages/ui/src/lib/i18n/messages/uk.ts
index 8058d4fd..fa7dd492 100644
--- a/packages/ui/src/lib/i18n/messages/uk.ts
+++ b/packages/ui/src/lib/i18n/messages/uk.ts
@@ -2300,13 +2300,13 @@ export const dict: Record<I18nKey, string> = {
   "onboarding.localSetup.dialog.selectOpencodeBinary": "Вибрати виконуваний файл opencode",
   "onboarding.localSetup.errors.cliNotReady": "OpenCode CLI ще не готовий. Підтвердьте, що встановлення завершено, і повторіть спробу.",
   "onboarding.localSetup.errors.detectionFailed": "Не вдалося виявити",
-  "onboarding.localSetup.windows.title": "Налаштування Windows (рекомендується WSL)",
-  "onboarding.localSetup.windows.stepInstallWsl": "Встановіть WSL (за потреби) за допомогою",
-  "onboarding.localSetup.windows.stepInstallWslSuffix": "в PowerShell.",
-  "onboarding.localSetup.windows.stepRunInstallInWsl": "Виконайте наведену нижче команду встановлення всередині терміналу WSL.",
+  "onboarding.localSetup.windows.title": "Налаштування Windows",
+  "onboarding.localSetup.windows.stepInstallWsl": "Встановіть OpenCode за допомогою наведеної нижче команди.",
+  "onboarding.localSetup.windows.stepInstallWslSuffix": "",
+  "onboarding.localSetup.windows.stepRunInstallInWsl": "Виконайте наведену нижче команду встановлення в терміналі Windows.",
   "onboarding.localSetup.windows.stepSetBinaryPath": "Якщо OpenChamber не визначає OpenCode автоматично, укажіть шлях до виконуваного файла нижче.",
   "onboarding.localSetup.intro": "OpenCode — серце OpenChamber. Встановіть його, щоб почати.",
-  "onboarding.localSetup.docs.windows": "Документація OpenCode для Windows + WSL",
+  "onboarding.localSetup.docs.windows": "Документація OpenCode",
   "onboarding.localSetup.docs.default": "Документація OpenCode",
   "onboarding.localSetup.actions.checking": "Перевірка...",
   "onboarding.localSetup.actions.checkAndContinue": "Я завершив встановлення, перевірте та продовжуйте",
@@ -2322,8 +2322,8 @@ export const dict: Record<I18nKey, string> = {
   "onboarding.localSetup.helper.saveAndReload": "Зберігає налаштування в OpenChamber і перезавантажує конфігурацію OpenCode.",
   "onboarding.localSetup.remotePreference": "Бажаєте використовувати віддалений сервер?",
   "onboarding.localSetup.actions.connectRemoteServer": "Підключитися до віддаленого сервера →",
-  "onboarding.localSetup.windows.hintInstallInWsl": "У Windows інсталюйте та запустіть OpenCode у WSL для найкращої сумісності.",
-  "onboarding.localSetup.windows.hintDetectionFailed": "Якщо виявлення з помилкою, установіть власний шлях (opencode.cmd/opencode.exe), wsl.exe або wsl:/usr/local/bin/opencode.",
+  "onboarding.localSetup.windows.hintInstallInWsl": "У Windows інсталюйте та запускайте OpenCode нативно.",
+  "onboarding.localSetup.windows.hintDetectionFailed": "Якщо виявлення не вдається, укажіть нативний шлях, наприклад opencode.cmd або opencode.exe.",
   "onboarding.localSetup.hint.ensurePath": "Вже встановлено? Переконайтеся, що opencode знаходиться у вашому PATH.",
   "onboarding.localSetup.hint.setEnv": "Або встановіть змінну середовища OPENCODE_BINARY.",
   "onboarding.localSetup.hint.missingRuntime": "Якщо ви бачите \"env: node: Немає такого файлу чи каталогу\" або \"env: bun: Немає такого файлу чи каталогу\", інсталюйте це середовище виконання або переконайтеся, що воно знаходиться на PATH.",
diff --git a/packages/ui/src/lib/i18n/messages/zh-CN.ts b/packages/ui/src/lib/i18n/messages/zh-CN.ts
index ab468e17..d650e247 100644
--- a/packages/ui/src/lib/i18n/messages/zh-CN.ts
+++ b/packages/ui/src/lib/i18n/messages/zh-CN.ts
@@ -2300,13 +2300,13 @@ export const dict: Record<I18nKey, string> = {
   'onboarding.localSetup.dialog.selectOpencodeBinary': '选择 OpenCode 可执行文件',
   'onboarding.localSetup.errors.cliNotReady': 'OpenCode CLI 尚未就绪。请确认安装完成后重试。',
   'onboarding.localSetup.errors.detectionFailed': '检测失败',
-  'onboarding.localSetup.windows.title': 'Windows 设置（推荐 WSL）',
-  'onboarding.localSetup.windows.stepInstallWsl': '如需，请先在 PowerShell 中运行',
-  'onboarding.localSetup.windows.stepInstallWslSuffix': '安装 WSL。',
-  'onboarding.localSetup.windows.stepRunInstallInWsl': '在 WSL 终端中运行下方安装命令。',
+  'onboarding.localSetup.windows.title': 'Windows 设置',
+  'onboarding.localSetup.windows.stepInstallWsl': '使用下方命令安装 OpenCode。',
+  'onboarding.localSetup.windows.stepInstallWslSuffix': '',
+  'onboarding.localSetup.windows.stepRunInstallInWsl': '在 Windows 终端中运行下方安装命令。',
   'onboarding.localSetup.windows.stepSetBinaryPath': '如果 OpenChamber 未自动检测到 OpenCode，请在下方设置可执行文件路径。',
   'onboarding.localSetup.intro': 'OpenCode 是 OpenChamber 的核心，先安装它即可开始。',
-  'onboarding.localSetup.docs.windows': 'OpenCode Windows + WSL 文档',
+  'onboarding.localSetup.docs.windows': 'OpenCode 文档',
   'onboarding.localSetup.docs.default': 'OpenCode 文档',
   'onboarding.localSetup.actions.checking': '检测中...',
   'onboarding.localSetup.actions.checkAndContinue': '我已完成安装，检测并继续',
@@ -2322,8 +2322,8 @@ export const dict: Record<I18nKey, string> = {
   'onboarding.localSetup.helper.saveAndReload': '将保存到 OpenChamber 设置并重新加载 OpenCode 配置。',
   'onboarding.localSetup.remotePreference': '更希望使用远程服务器？',
   'onboarding.localSetup.actions.connectRemoteServer': '连接远程服务器 →',
-  'onboarding.localSetup.windows.hintInstallInWsl': '在 Windows 上，建议在 WSL 中安装并运行 OpenCode 以获得最佳兼容性。',
-  'onboarding.localSetup.windows.hintDetectionFailed': '若检测失败，请设置本地路径（opencode.cmd/opencode.exe）、wsl.exe，或 wsl:/usr/local/bin/opencode。',
+  'onboarding.localSetup.windows.hintInstallInWsl': '在 Windows 上，请原生安装并运行 OpenCode。',
+  'onboarding.localSetup.windows.hintDetectionFailed': '若检测失败，请设置原生路径，例如 opencode.cmd 或 opencode.exe。',
   'onboarding.localSetup.hint.ensurePath': '已安装？请确认 opencode 在你的 PATH 中。',
   'onboarding.localSetup.hint.setEnv': '或设置 OPENCODE_BINARY 环境变量。',
   'onboarding.localSetup.hint.missingRuntime': '如果看到 “env: node: No such file or directory” 或 “env: bun: No such file or directory”，请安装对应运行时或确保其在 PATH 中。',
diff --git a/packages/ui/src/lib/i18n/messages/zh-TW.ts b/packages/ui/src/lib/i18n/messages/zh-TW.ts
index 283c24e8..5c81ca41 100644
--- a/packages/ui/src/lib/i18n/messages/zh-TW.ts
+++ b/packages/ui/src/lib/i18n/messages/zh-TW.ts
@@ -2301,13 +2301,13 @@ export const dict: Record<I18nKey, string> = {
   'onboarding.localSetup.dialog.selectOpencodeBinary': '選擇 OpenCode 執行檔',
   'onboarding.localSetup.errors.cliNotReady': 'OpenCode CLI 尚未就緒。請確認安裝完成後重試。',
   'onboarding.localSetup.errors.detectionFailed': '偵測失敗',
-  'onboarding.localSetup.windows.title': 'Windows 設定（推薦 WSL）',
-  'onboarding.localSetup.windows.stepInstallWsl': '如需，請先在 PowerShell 中執行',
-  'onboarding.localSetup.windows.stepInstallWslSuffix': '安裝 WSL。',
-  'onboarding.localSetup.windows.stepRunInstallInWsl': '在 WSL 終端機中執行下方安裝命令。',
+  'onboarding.localSetup.windows.title': 'Windows 設定',
+  'onboarding.localSetup.windows.stepInstallWsl': '使用下方命令安裝 OpenCode。',
+  'onboarding.localSetup.windows.stepInstallWslSuffix': '',
+  'onboarding.localSetup.windows.stepRunInstallInWsl': '在 Windows 終端機中執行下方安裝命令。',
   'onboarding.localSetup.windows.stepSetBinaryPath': '如果 OpenChamber 未自動偵測到 OpenCode，請在下方設定執行檔路徑。',
   'onboarding.localSetup.intro': 'OpenCode 是 OpenChamber 的核心，先安裝它即可開始。',
-  'onboarding.localSetup.docs.windows': 'OpenCode Windows + WSL 文件',
+  'onboarding.localSetup.docs.windows': 'OpenCode 文件',
   'onboarding.localSetup.docs.default': 'OpenCode 文件',
   'onboarding.localSetup.actions.checking': '偵測中...',
   'onboarding.localSetup.actions.checkAndContinue': '我已完成安裝，偵測並繼續',
@@ -2323,8 +2323,8 @@ export const dict: Record<I18nKey, string> = {
   'onboarding.localSetup.helper.saveAndReload': '將儲存到 OpenChamber 設定並重新載入 OpenCode 設定。',
   'onboarding.localSetup.remotePreference': '更希望使用遠端伺服器？',
   'onboarding.localSetup.actions.connectRemoteServer': '連接遠端伺服器 →',
-  'onboarding.localSetup.windows.hintInstallInWsl': '在 Windows 上，建議在 WSL 中安裝並執行 OpenCode 以獲得最佳相容性。',
-  'onboarding.localSetup.windows.hintDetectionFailed': '若偵測失敗，請設定本地路徑（opencode.cmd/opencode.exe）、wsl.exe，或 wsl:/usr/local/bin/opencode。',
+  'onboarding.localSetup.windows.hintInstallInWsl': '在 Windows 上，請原生安裝並執行 OpenCode。',
+  'onboarding.localSetup.windows.hintDetectionFailed': '若偵測失敗，請設定原生路徑，例如 opencode.cmd 或 opencode.exe。',
   'onboarding.localSetup.hint.ensurePath': '已安裝？請確認 opencode 在你的 PATH 中。',
   'onboarding.localSetup.hint.setEnv': '或設定 OPENCODE_BINARY 環境變數。',
   'onboarding.localSetup.hint.missingRuntime': '如果看到「env: node: No such file or directory」或「env: bun: No such file or directory」，請安裝對應執行環境或確保其在 PATH 中。',
diff --git a/packages/web/server/index.js b/packages/web/server/index.js
index 66e19d11..01f76a40 100644
--- a/packages/web/server/index.js
+++ b/packages/web/server/index.js
@@ -532,16 +532,6 @@ const ENV_DESKTOP_NOTIFY = (() => {
   const argv1 = typeof process.argv?.[1] === 'string' ? process.argv[1] : '';
   return /openchamber-server/i.test(argv0) || /openchamber-server/i.test(argv1);
 })();
-const ENV_CONFIGURED_OPENCODE_WSL_DISTRO =
-  typeof process.env.OPENCODE_WSL_DISTRO === 'string' && process.env.OPENCODE_WSL_DISTRO.trim().length > 0
-    ? process.env.OPENCODE_WSL_DISTRO.trim()
-    : (
-      typeof process.env.OPENCHAMBER_OPENCODE_WSL_DISTRO === 'string' &&
-      process.env.OPENCHAMBER_OPENCODE_WSL_DISTRO.trim().length > 0
-        ? process.env.OPENCHAMBER_OPENCODE_WSL_DISTRO.trim()
-        : null
-    );
-
 const openCodeAuthStateRuntime = createOpenCodeAuthStateRuntime({
   crypto,
   process,
@@ -619,7 +609,6 @@ const openCodeEnvRuntime = createOpenCodeEnvRuntime({
   state: openCodeEnvState,
   normalizeDirectoryPath,
   readSettingsFromDiskMigrated,
-  ENV_CONFIGURED_OPENCODE_WSL_DISTRO,
 });
 
 const applyLoginShellEnvSnapshot = (...args) => openCodeEnvRuntime.applyLoginShellEnvSnapshot(...args);
@@ -630,8 +619,6 @@ const resolveOpencodeCliPath = (...args) => openCodeEnvRuntime.resolveOpencodeCl
 const isExecutable = (...args) => openCodeEnvRuntime.isExecutable(...args);
 const searchPathFor = (...args) => openCodeEnvRuntime.searchPathFor(...args);
 const resolveGitBinaryForSpawn = (...args) => openCodeEnvRuntime.resolveGitBinaryForSpawn(...args);
-const resolveWslExecutablePath = (...args) => openCodeEnvRuntime.resolveWslExecutablePath(...args);
-const buildWslExecArgs = (...args) => openCodeEnvRuntime.buildWslExecArgs(...args);
 const resolveManagedOpenCodeLaunchSpec = (...args) => openCodeEnvRuntime.resolveManagedOpenCodeLaunchSpec(...args);
 const clearResolvedOpenCodeBinary = (...args) => openCodeEnvRuntime.clearResolvedOpenCodeBinary(...args);
 const openCodeResolutionRuntime = createOpenCodeResolutionRuntime({
@@ -919,8 +906,6 @@ const openCodeLifecycleRuntime = createOpenCodeLifecycleRuntime({
   applyOpencodeBinaryFromSettings,
   ensureOpencodeCliEnv,
   ensureLocalOpenCodeServerPassword,
-  buildWslExecArgs,
-  resolveWslExecutablePath,
   resolveManagedOpenCodeLaunchSpec,
   setOpenCodePort,
   setDetectedOpenCodeApiPrefix,
diff --git a/packages/web/server/lib/opencode/env-runtime.js b/packages/web/server/lib/opencode/env-runtime.js
index 02dc3f95..998128d3 100644
--- a/packages/web/server/lib/opencode/env-runtime.js
+++ b/packages/web/server/lib/opencode/env-runtime.js
@@ -9,7 +9,6 @@ export const createOpenCodeEnvRuntime = (deps) => {
     state,
     normalizeDirectoryPath,
     readSettingsFromDiskMigrated,
-    ENV_CONFIGURED_OPENCODE_WSL_DISTRO,
   } = deps;
   const runSpawnSync = typeof deps.spawnSync === 'function' ? deps.spawnSync : spawnSync;
 
@@ -268,135 +267,6 @@ export const createOpenCodeEnvRuntime = (deps) => {
     state.resolvedWslDistro = null;
   };
 
-  const resolveWslExecutablePath = () => {
-    if (process.platform !== 'win32') {
-      return null;
-    }
-
-    const explicit = [process.env.WSL_BINARY, process.env.OPENCHAMBER_WSL_BINARY]
-      .map((v) => (typeof v === 'string' ? v.trim() : ''))
-      .filter(Boolean);
-
-    for (const candidate of explicit) {
-      if (isExecutable(candidate)) {
-        return candidate;
-      }
-    }
-
-    try {
-      const result = runSpawnSync('where', ['wsl'], {
-        encoding: 'utf8',
-        stdio: ['ignore', 'pipe', 'pipe'],
-        windowsHide: true,
-      });
-      if (result.status === 0) {
-        const lines = (result.stdout || '')
-          .split(/\r?\n/)
-          .map((line) => line.trim())
-          .filter(Boolean);
-        const found = lines.find((line) => isExecutable(line));
-        if (found) {
-          return found;
-        }
-      }
-    } catch {
-    }
-
-    const systemRoot = process.env.SystemRoot || 'C:\\Windows';
-    const fallback = path.join(systemRoot, 'System32', 'wsl.exe');
-    if (isExecutable(fallback)) {
-      return fallback;
-    }
-
-    return null;
-  };
-
-  const buildWslExecArgs = (execArgs, distroOverride = null) => {
-    const distro = typeof distroOverride === 'string' && distroOverride.trim().length > 0
-      ? distroOverride.trim()
-      : ENV_CONFIGURED_OPENCODE_WSL_DISTRO;
-
-    const prefix = distro ? ['-d', distro] : [];
-    return [...prefix, '--exec', ...execArgs];
-  };
-
-  const wslOpencodeProbeScript = [
-    'found="$(command -v opencode 2>/dev/null || true)"',
-    'case "$found" in /*) case "$found" in /mnt/[a-zA-Z]/*) ;; *) printf "%s\\n" "$found"; exit 0 ;; esac ;; esac',
-    'for candidate in "$HOME/.opencode/bin/opencode" "$HOME/.bun/bin/opencode" "$HOME/.local/bin/opencode" "$HOME/bin/opencode" /usr/local/bin/opencode /usr/bin/opencode /bin/opencode; do',
-    '  if [ -x "$candidate" ]; then printf "%s\\n" "$candidate"; exit 0; fi',
-    'done',
-    'if [ -n "${SHELL:-}" ] && [ -x "$SHELL" ]; then',
-    '  found="$("$SHELL" -lic "command -v opencode" 2>/dev/null | sed -n "1p")"',
-    '  case "$found" in /*) case "$found" in /mnt/[a-zA-Z]/*) ;; *) printf "%s\\n" "$found"; exit 0 ;; esac ;; esac',
-    'fi',
-    'exit 1',
-  ].join('\n');
-
-  const probeWslForOpencode = () => {
-    if (process.platform !== 'win32') {
-      return null;
-    }
-
-    const wslBinary = resolveWslExecutablePath();
-    if (!wslBinary) {
-      return null;
-    }
-
-    try {
-      const result = runSpawnSync(
-        wslBinary,
-        buildWslExecArgs(['sh', '-lc', wslOpencodeProbeScript]),
-        {
-          encoding: 'utf8',
-          stdio: ['ignore', 'pipe', 'pipe'],
-          timeout: 6000,
-          windowsHide: true,
-        }
-      );
-
-      if (result.status !== 0) {
-        return null;
-      }
-
-      const lines = (result.stdout || '')
-        .split(/\r?\n/)
-        .map((line) => line.trim())
-        .filter(Boolean);
-      const found = lines[0] || '';
-      if (!found) {
-        return null;
-      }
-
-      return {
-        wslBinary,
-        opencodePath: found,
-        distro: ENV_CONFIGURED_OPENCODE_WSL_DISTRO,
-      };
-    } catch {
-      return null;
-    }
-  };
-
-  const applyWslOpencodeResolution = ({ wslBinary, opencodePath, source = 'wsl', distro = null } = {}) => {
-    const resolvedWsl = wslBinary || resolveWslExecutablePath();
-    if (!resolvedWsl) {
-      return null;
-    }
-
-    state.useWslForOpencode = true;
-    state.resolvedWslBinary = resolvedWsl;
-    state.resolvedWslOpencodePath = typeof opencodePath === 'string' && opencodePath.trim().length > 0
-      ? opencodePath.trim()
-      : 'opencode';
-    state.resolvedWslDistro = typeof distro === 'string' && distro.trim().length > 0 ? distro.trim() : ENV_CONFIGURED_OPENCODE_WSL_DISTRO;
-    state.resolvedOpencodeBinary = `wsl:${state.resolvedWslOpencodePath}`;
-    state.resolvedOpencodeBinarySource = source;
-
-    delete process.env.OPENCODE_BINARY;
-    return state.resolvedOpencodeBinary;
-  };
-
   const resolveOpencodeCliPath = () => {
     const explicit = [
       process.env.OPENCODE_BINARY,
@@ -483,15 +353,9 @@ export const createOpenCodeEnvRuntime = (deps) => {
         }
       } catch {
       }
-      const wsl = probeWslForOpencode();
-      if (wsl) {
-        return applyWslOpencodeResolution({
-          wslBinary: wsl.wslBinary,
-          opencodePath: wsl.opencodePath,
-          source: 'wsl',
-          distro: wsl.distro,
-        });
-      }
+      // Do not auto-detect OpenCode from WSL. OpenCode sessions are keyed by
+      // server-visible directories, and mixing Windows paths with WSL paths
+      // creates duplicate/missing project state in the desktop app.
       return null;
     }
 
@@ -1046,35 +910,21 @@ export const createOpenCodeEnvRuntime = (deps) => {
         : null;
 
       if (explicitWslPath && explicitWslPath[1] && explicitWslPath[1].trim().length > 0) {
-        const probe = probeWslForOpencode();
-        const applied = applyWslOpencodeResolution({
-          wslBinary: probe?.wslBinary || resolveWslExecutablePath(),
-          opencodePath: explicitWslPath[1].trim(),
-          source: 'settings-wsl-path',
-          distro: probe?.distro || ENV_CONFIGURED_OPENCODE_WSL_DISTRO,
-        });
-        if (applied) {
-          return applied;
-        }
+        clearWslOpencodeResolution();
         if (strict) {
           throw createConfiguredWslOpencodeError(raw);
         }
+        console.warn(`Configured settings.opencodeBinary uses WSL, which is no longer supported by OpenChamber desktop: ${raw}`);
+        return null;
       }
 
       if (process.platform === 'win32' && (isWslExecutableValue(raw) || isWslExecutableValue(normalized || ''))) {
-        const probe = probeWslForOpencode();
-        const applied = applyWslOpencodeResolution({
-          wslBinary: probe?.wslBinary || normalized || raw || null,
-          opencodePath: probe?.opencodePath || 'opencode',
-          source: 'settings-wsl',
-          distro: probe?.distro || ENV_CONFIGURED_OPENCODE_WSL_DISTRO,
-        });
-        if (applied) {
-          return applied;
-        }
+        clearWslOpencodeResolution();
         if (strict) {
           throw createConfiguredWslOpencodeError(raw);
         }
+        console.warn(`Configured settings.opencodeBinary points to WSL, which is no longer supported by OpenChamber desktop: ${raw}`);
+        return null;
       }
 
       if (normalized && isExecutable(normalized) && !isMacOpenCodeAppBundlePath(normalized)) {
@@ -1233,8 +1083,6 @@ export const createOpenCodeEnvRuntime = (deps) => {
     isExecutable,
     searchPathFor,
     resolveGitBinaryForSpawn,
-    resolveWslExecutablePath,
-    buildWslExecArgs,
     clearResolvedOpenCodeBinary,
   };
 };
diff --git a/packages/web/server/lib/opencode/env-runtime.test.js b/packages/web/server/lib/opencode/env-runtime.test.js
index 4b17bf4d..c0ad1e7f 100644
--- a/packages/web/server/lib/opencode/env-runtime.test.js
+++ b/packages/web/server/lib/opencode/env-runtime.test.js
@@ -90,7 +90,6 @@ const createRuntime = (settings, options = {}) => {
     state,
     normalizeDirectoryPath: (value) => value,
     readSettingsFromDiskMigrated: async () => settings,
-    ENV_CONFIGURED_OPENCODE_WSL_DISTRO: options.ENV_CONFIGURED_OPENCODE_WSL_DISTRO ?? null,
     spawnSync: options.spawnSync,
   });
 
@@ -139,7 +138,7 @@ describe('OpenCode env runtime', () => {
     });
   });
 
-  it('does not classify WSL settings as a native invalid configured binary in strict mode', async () => {
+  it('rejects WSL settings in strict mode', async () => {
     setPlatform('win32');
     const dir = createTempDir('openchamber-no-wsl-');
     process.env.PATH = dir;
@@ -148,18 +147,12 @@ describe('OpenCode env runtime', () => {
     process.env.OPENCHAMBER_WSL_BINARY = path.join(dir, 'missing-openchamber-wsl.exe');
     const { runtime } = createRuntime({ opencodeBinary: 'wsl:/usr/local/bin/opencode' });
 
-    const rejection = runtime.applyOpencodeBinaryFromSettings({ strict: true });
-
-    try {
-      await rejection;
-      expect(runtime.resolveManagedOpenCodeLaunchSpec('opencode').wrapperType).not.toBe('cmd-wrapper');
-    } catch (error) {
-      expect(error.message).toContain('uses WSL');
-      expect(error.code).toBeUndefined();
-    }
+    await expect(runtime.applyOpencodeBinaryFromSettings({ strict: true })).rejects.toMatchObject({
+      message: expect.stringContaining('uses WSL'),
+    });
   });
 
-  it('detects OpenCode installed in the default WSL home fallback path', () => {
+  it('does not auto-detect OpenCode from WSL fallback paths', () => {
     setPlatform('win32');
     const dir = createTempDir('openchamber-wsl-opencode-');
     const wslBinary = path.join(dir, 'wsl.exe');
@@ -182,15 +175,14 @@ describe('OpenCode env runtime', () => {
     };
     const { runtime, state } = createRuntime({}, { spawnSync: spawnSyncMock });
 
-    expect(runtime.resolveOpencodeCliPath()).toBe('wsl:/home/alice/.opencode/bin/opencode');
-    expect(state.useWslForOpencode).toBe(true);
-    expect(state.resolvedWslBinary).toBe(wslBinary);
-    expect(state.resolvedWslOpencodePath).toBe('/home/alice/.opencode/bin/opencode');
-    expect(state.resolvedOpencodeBinarySource).toBe('wsl');
+    expect(runtime.resolveOpencodeCliPath()).toBeNull();
+    expect(state.useWslForOpencode).toBe(false);
+    expect(state.resolvedWslBinary).toBeNull();
+    expect(state.resolvedWslOpencodePath).toBeNull();
+    expect(state.resolvedOpencodeBinarySource).toBeNull();
 
     const wslCall = calls.find((call) => call.command === wslBinary);
-    expect(wslCall?.args).toEqual(expect.arrayContaining(['sh', '-lc']));
-    expect(wslCall?.args.join('\n')).toContain('$HOME/.opencode/bin/opencode');
+    expect(wslCall).toBeUndefined();
   });
 
   it('launches Windows cmd shims through cmd call without embedded quotes', () => {
diff --git a/packages/web/server/lib/opencode/lifecycle.js b/packages/web/server/lib/opencode/lifecycle.js
index 94c39edb..b03a8dae 100644
--- a/packages/web/server/lib/opencode/lifecycle.js
+++ b/packages/web/server/lib/opencode/lifecycle.js
@@ -28,8 +28,6 @@ export const createOpenCodeLifecycleRuntime = (deps) => {
     applyOpencodeBinaryFromSettings,
     ensureOpencodeCliEnv,
     ensureLocalOpenCodeServerPassword,
-    buildWslExecArgs,
-    resolveWslExecutablePath,
     resolveManagedOpenCodeLaunchSpec,
     setOpenCodePort,
     setDetectedOpenCodeApiPrefix,
@@ -231,25 +229,7 @@ export const createOpenCodeLifecycleRuntime = (deps) => {
     let launchWrapperType = null;
 
     if (process.platform === 'win32' && state.useWslForOpencode) {
-      const wslBinary = state.resolvedWslBinary || resolveWslExecutablePath();
-      if (!wslBinary) {
-        throw new Error('WSL executable not found while attempting to launch OpenCode from WSL');
-      }
-
-      const wslOpencode = state.resolvedWslOpencodePath && state.resolvedWslOpencodePath.trim().length > 0
-        ? state.resolvedWslOpencodePath.trim()
-        : 'opencode';
-      const serveHost = hostname === '127.0.0.1' ? '0.0.0.0' : hostname;
-
-      binary = wslBinary;
-      args = buildWslExecArgs([
-        wslOpencode,
-        'serve',
-        '--hostname',
-        serveHost,
-        '--port',
-        String(port),
-      ], state.resolvedWslDistro);
+      throw new Error('Launching OpenCode through WSL is no longer supported. Install OpenCode natively on Windows and configure opencode.cmd or opencode.exe.');
     }
 
     if (process.platform === 'win32' && !state.useWslForOpencode) {
diff --git a/packages/web/server/lib/opencode/lifecycle.test.js b/packages/web/server/lib/opencode/lifecycle.test.js
index ab3169a8..19dbe18d 100644
--- a/packages/web/server/lib/opencode/lifecycle.test.js
+++ b/packages/web/server/lib/opencode/lifecycle.test.js
@@ -85,8 +85,6 @@ const createRuntime = (overrides = {}) => {
     applyOpencodeBinaryFromSettings: vi.fn(async () => null),
     ensureOpencodeCliEnv: vi.fn(),
     ensureLocalOpenCodeServerPassword: vi.fn(async () => 'password'),
-    buildWslExecArgs: vi.fn((args) => args),
-    resolveWslExecutablePath: vi.fn(),
     resolveManagedOpenCodeLaunchSpec: vi.fn((binary) => ({ binary, args: [], wrapperType: null })),
     setOpenCodePort: vi.fn((port) => {
       state.openCodePort = port;