Fix run.bat: convert LF to CRLF line endings so CMD parses commands correctly

Without CRLF, CMD mis-tokenized setlocal/cd/set/rem and skipped delayed-expansion init, breaking !PYCMD! and !EXITCODE! expansion.

web_interface/run.bat

@@ -1,84 +1,84 @@
-@echo off
-setlocal enabledelayedexpansion
-cd /d "%~dp0"
-
-rem Force a UTF-8 console + UTF-8 mode in Python so prints with em-dashes and
-rem the like don't crash on machines whose console codepage is cp1252 / cp932.
-chcp 65001 >nul 2>nul
-set "PYTHONUTF8=1"
-set "PYTHONIOENCODING=utf-8"
-
-rem Pick a Python launcher. Order:
-rem   1. .pyenv\python.exe — portable Python downloaded by a previous run
-rem   2. py / python / python3 — user's system Python
-rem   3. Download a portable Python on the fly (no admin, no PATH changes)
-set "PYCMD="
-
-if exist "%~dp0.pyenv\python.exe" (
-    set "PYCMD=%~dp0.pyenv\python.exe"
-    goto :launch
-)
-
-where py >nul 2>nul
-if !ERRORLEVEL! EQU 0 set "PYCMD=py"
-
-if not defined PYCMD (
-    where python >nul 2>nul
-    if !ERRORLEVEL! EQU 0 set "PYCMD=python"
-)
-
-if not defined PYCMD (
-    where python3 >nul 2>nul
-    if !ERRORLEVEL! EQU 0 set "PYCMD=python3"
-)
-
-if defined PYCMD goto :launch
-
-echo [run.bat] No Python detected on this machine.
-echo [run.bat] Downloading a portable Python (~30 MB) into .pyenv\ next to this script.
-echo [run.bat] Nothing is installed system-wide; delete .pyenv\ to remove it.
-echo.
-
-powershell -NoProfile -ExecutionPolicy Bypass -Command ^
-  "$ErrorActionPreference='Stop';" ^
-  "$ver='3.12.7';" ^
-  "$dest='%~dp0.pyenv';" ^
-  "$zip=Join-Path $env:TEMP 'oppai-py-embed.zip';" ^
-  "[void](New-Item -ItemType Directory -Force -Path $dest);" ^
-  "Invoke-WebRequest -UseBasicParsing -Uri \"https://www.python.org/ftp/python/$ver/python-$ver-embed-amd64.zip\" -OutFile $zip;" ^
-  "Expand-Archive -Path $zip -DestinationPath $dest -Force;" ^
-  "Remove-Item $zip -Force"
-
-if !ERRORLEVEL! NEQ 0 (
-    echo.
-    echo [run.bat] Failed to download portable Python.
-    echo [run.bat] Check your internet connection, or install Python 3.10-3.12
-    echo           from https://www.python.org/downloads/ ^(tick "Add Python to PATH"^)
-    echo           and re-run this script.
-    pause
-    exit /b 1
-)
-
-if not exist "%~dp0.pyenv\python.exe" (
-    echo [run.bat] Portable Python download finished but python.exe is missing.
-    echo [run.bat] Try deleting .pyenv\ and re-running, or install Python manually.
-    pause
-    exit /b 1
-)
-
-set "PYCMD=%~dp0.pyenv\python.exe"
-
-:launch
-echo [run.bat] Using !PYCMD! to launch app.py.
-echo [run.bat] First run installs ~500 MB of packages; that only happens once.
-echo.
-
-"!PYCMD!" "%~dp0app.py" %*
-set "EXITCODE=!ERRORLEVEL!"
-
-if !EXITCODE! NEQ 0 (
-    echo.
-    echo [run.bat] app.py exited with code !EXITCODE!.
-    pause
-)
-endlocal & exit /b %EXITCODE%
+@echo off
+setlocal enabledelayedexpansion
+cd /d "%~dp0"
+
+rem Force a UTF-8 console + UTF-8 mode in Python so prints with em-dashes and
+rem the like don't crash on machines whose console codepage is cp1252 / cp932.
+chcp 65001 >nul 2>nul
+set "PYTHONUTF8=1"
+set "PYTHONIOENCODING=utf-8"
+
+rem Pick a Python launcher. Order:
+rem   1. .pyenv\python.exe — portable Python downloaded by a previous run
+rem   2. py / python / python3 — user's system Python
+rem   3. Download a portable Python on the fly (no admin, no PATH changes)
+set "PYCMD="
+
+if exist "%~dp0.pyenv\python.exe" (
+    set "PYCMD=%~dp0.pyenv\python.exe"
+    goto :launch
+)
+
+where py >nul 2>nul
+if !ERRORLEVEL! EQU 0 set "PYCMD=py"
+
+if not defined PYCMD (
+    where python >nul 2>nul
+    if !ERRORLEVEL! EQU 0 set "PYCMD=python"
+)
+
+if not defined PYCMD (
+    where python3 >nul 2>nul
+    if !ERRORLEVEL! EQU 0 set "PYCMD=python3"
+)
+
+if defined PYCMD goto :launch
+
+echo [run.bat] No Python detected on this machine.
+echo [run.bat] Downloading a portable Python (~30 MB) into .pyenv\ next to this script.
+echo [run.bat] Nothing is installed system-wide; delete .pyenv\ to remove it.
+echo.
+
+powershell -NoProfile -ExecutionPolicy Bypass -Command ^
+  "$ErrorActionPreference='Stop';" ^
+  "$ver='3.12.7';" ^
+  "$dest='%~dp0.pyenv';" ^
+  "$zip=Join-Path $env:TEMP 'oppai-py-embed.zip';" ^
+  "[void](New-Item -ItemType Directory -Force -Path $dest);" ^
+  "Invoke-WebRequest -UseBasicParsing -Uri \"https://www.python.org/ftp/python/$ver/python-$ver-embed-amd64.zip\" -OutFile $zip;" ^
+  "Expand-Archive -Path $zip -DestinationPath $dest -Force;" ^
+  "Remove-Item $zip -Force"
+
+if !ERRORLEVEL! NEQ 0 (
+    echo.
+    echo [run.bat] Failed to download portable Python.
+    echo [run.bat] Check your internet connection, or install Python 3.10-3.12
+    echo           from https://www.python.org/downloads/ ^(tick "Add Python to PATH"^)
+    echo           and re-run this script.
+    pause
+    exit /b 1
+)
+
+if not exist "%~dp0.pyenv\python.exe" (
+    echo [run.bat] Portable Python download finished but python.exe is missing.
+    echo [run.bat] Try deleting .pyenv\ and re-running, or install Python manually.
+    pause
+    exit /b 1
+)
+
+set "PYCMD=%~dp0.pyenv\python.exe"
+
+:launch
+echo [run.bat] Using !PYCMD! to launch app.py.
+echo [run.bat] First run installs ~500 MB of packages; that only happens once.
+echo.
+
+"!PYCMD!" "%~dp0app.py" %*
+set "EXITCODE=!ERRORLEVEL!"
+
+if !EXITCODE! NEQ 0 (
+    echo.
+    echo [run.bat] app.py exited with code !EXITCODE!.
+    pause
+)
+endlocal & exit /b %EXITCODE%