Update Conan setup to use Python venv.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitignore

@@ -20,7 +20,7 @@ deps/.conan/
 tools/cmake/
 tools/ninja/
 tools/llvm/
-tools/conan2/
+tools/.venv/
 
 # IDE
 .vs/

README.md

@@ -77,16 +77,16 @@ AI 编程助手需要长期驻留、频繁交互，性能特征值得用系统
 
 ## 快速开始
 
-### 1. 安装工具链（全自动，存入 tools\，不依赖系统环境）
+### 1. 安装工具链（全自动，存入 tools\，需系统已安装 Python 3.10+）
 
 ```bash
 cd tools
-setup.bat       # 下载 CMake + Ninja + LLVM/Clang + Conan2 到当前目录
+setup.bat       # 下载 CMake + Ninja + LLVM/Clang，并在 tools/.venv 安装 Conan2
 ```
 
-> 网络不畅时可手动下载放入对应目录：[Conan2](https://conan.org.cn/downloads) | [Ninja](https://github.com/ninja-build/ninja/releases) | [CMake](https://cmake.org/download/) | [LLVM](https://github.com/llvm/llvm-project/releases)
+> 网络不畅时可手动下载放入对应目录：[Ninja](https://github.com/ninja-build/ninja/releases) | [CMake](https://cmake.org/download/) | [LLVM](https://github.com/llvm/llvm-project/releases)
 >
-> 目录结构要求: `tools/cmake/bin/cmake.exe` / `tools/ninja/ninja.exe` / `tools/llvm/bin/clang.exe` / `tools/conan2/conan.exe`
+> 目录结构要求: `tools/cmake/bin/cmake.exe` / `tools/ninja/ninja.exe` / `tools/llvm/bin/clang.exe` / `tools/.venv/Scripts/conan.exe`
 
 ### 2. 编译
 
@@ -301,7 +301,7 @@ model = "deepseek-v4"
 |------|------|
 | C++ 开发效率低于脚本语言 | Boost 库弥补；核心 API 稳定后开发速度不会慢于竞品 |
 | OpenSSL 跨版本兼容性 | Conan2 锁定版本，消除环境差异 |
-| SDL3 仍在迭代 | 锁定具体版本 (3.2.10)，升级前充分测试 |
+| SDL3 仍在迭代 | 锁定具体版本 (3.2.14)，升级前充分测试 |
 | AI API 协议变更 | 适配层独立模块，变更时只改一处 |
 
 ---

build.bat

@@ -22,8 +22,9 @@ if not exist "%TOOLS%llvm\bin\clang.exe" (
     echo   [ERROR] LLVM/Clang 未找到，请先运行: tools\setup.bat
     pause & exit /b 1
 )
-if not exist "%TOOLS%conan2\conan.exe" (
+if not exist "%TOOLS%.venv\Scripts\conan.exe" (
     echo   [ERROR] Conan2 未找到，请先运行: tools\setup.bat
+    echo   需要已安装 Python 3.10+
     pause & exit /b 1
 )
 
@@ -66,17 +67,15 @@ cd /d "%ROOT%"
 :: ============================================================
 :: 5. Conan 安装依赖
 :: ============================================================
-if not exist "%ROOT%build\conan_toolchain.cmake" (
-    echo [dstalk] Conan 安装依赖...
-    call "%TOOLS%conan2\conan.exe" install deps/ -of build --build=missing
-    if !errorlevel! neq 0 (
-        echo   [ERROR] Conan 安装失败
-        pause & exit /b 1
-    )
-) else (
-    echo [dstalk] Conan 依赖已就绪
+echo [dstalk] Conan 安装/刷新依赖...
+call "%TOOLS%.venv\Scripts\conan.exe" install deps/ -of build --build=missing -s compiler.cppstd=20 -c tools.cmake.cmaketoolchain:generator=Ninja
+if !errorlevel! neq 0 (
+    echo   [ERROR] Conan 安装失败
+    pause & exit /b 1
 )
 
+set "CONAN_GENERATORS=%ROOT%build\build\Release\generators"
+
 :: ============================================================
 :: 6. CMake 配置 + Ninja 编译
 :: ============================================================
@@ -84,7 +83,8 @@ echo [dstalk] CMake 配置 + 编译...
 "%TOOLS%cmake\bin\cmake.exe" -S "%ROOT%" -B "%ROOT%build" -G Ninja ^
   -DCMAKE_C_COMPILER="%TOOLS%llvm\bin\clang.exe" ^
   -DCMAKE_CXX_COMPILER="%TOOLS%llvm\bin\clang++.exe" ^
-  -DCMAKE_TOOLCHAIN_FILE="%ROOT%build\conan_toolchain.cmake" ^
+  -DCMAKE_TOOLCHAIN_FILE="%CONAN_GENERATORS%\conan_toolchain.cmake" ^
+  -DCMAKE_PREFIX_PATH="%CONAN_GENERATORS%" ^
   -DCMAKE_BUILD_TYPE=Release
 if !errorlevel! neq 0 (
     echo   [ERROR] CMake 配置失败

deps/conanfile.txt

@@ -1,7 +1,7 @@
 [requires]
 boost/1.86.0
 openssl/3.4.1
-sdl/3.2.10
+sdl/3.2.14
 
 [generators]
 CMakeDeps

tools/env.bat

@@ -10,6 +10,6 @@ if exist "%TOOLS%ninja"        set "PATH=%TOOLS%ninja;%PATH%"
 if exist "%TOOLS%llvm\bin"     set "PATH=%TOOLS%llvm\bin;%PATH%"
 if exist "%TOOLS%llvm\bin\clang.exe" set "CC=%TOOLS%llvm\bin\clang.exe"
 if exist "%TOOLS%llvm\bin\clang++.exe" set "CXX=%TOOLS%llvm\bin\clang++.exe"
-if exist "%TOOLS%conan2"       set "PATH=%TOOLS%conan2;%PATH%"
+if exist "%TOOLS%.venv\Scripts" set "PATH=%TOOLS%.venv\Scripts;%PATH%"
 
 echo [dstalk] tools\ 工具链已加载

tools/setup.bat

@@ -105,28 +105,52 @@ if exist "%TOOLS%llvm\bin\clang.exe" (
 )
 
 :: ============================================================
-:: 4. Conan2 (独立安装器)
+:: 4. Python venv + Conan2
 :: ============================================================
-echo [4/5] Conan2 ...
-if exist "%TOOLS%conan2\conan.exe" (
-    echo   [OK] 已存在
-) else (
-    mkdir "%TOOLS%conan2" 2>nul
-    curl -L -o "%TOOLS%conan2\conan-installer.exe" "https://github.com/conan-io/conan/releases/latest/download/conan-2-win-64.exe" 2>nul
-    if !errorlevel! neq 0 (
-        echo   [FAIL] 请手动下载: https://conan.org.cn/downloads
-    ) else (
-        "%TOOLS%conan2\conan-installer.exe" /S /D="%TOOLS%conan2"
-        del "%TOOLS%conan2\conan-installer.exe" 2>nul
-        echo   [OK] Conan2
+echo [4/5] Python venv + Conan2 ...
+set "PYTHON="
+for %%p in (python python3) do (
+    if not defined PYTHON (
+        where %%p >nul 2>nul
+        if !errorlevel! equ 0 set "PYTHON=%%p"
     )
 )
+if not defined PYTHON (
+    echo   [FAIL] 未找到 Python 3.10+
+    echo   请先安装 Python，并确保 python.exe 在 PATH 中
+    pause
+    exit /b 1
+)
+
+if not exist "%TOOLS%.venv\Scripts\python.exe" (
+    call %PYTHON% -m venv "%TOOLS%.venv"
+    if !errorlevel! neq 0 (
+        echo   [FAIL] 创建 Python venv 失败
+        pause
+        exit /b 1
+    )
+)
+
+call "%TOOLS%.venv\Scripts\python.exe" -m pip install --upgrade pip
+if !errorlevel! neq 0 (
+    echo   [FAIL] pip 更新失败
+    pause
+    exit /b 1
+)
+
+call "%TOOLS%.venv\Scripts\python.exe" -m pip install "conan>=2,<3"
+if !errorlevel! neq 0 (
+    echo   [FAIL] Conan2 安装失败
+    pause
+    exit /b 1
+)
+echo   [OK] Conan2
 
 :: ============================================================
 :: 5. 配置 Conan profile
 :: ============================================================
 echo [5/5] 配置 Conan ...
-call "%TOOLS%conan2\conan.exe" profile detect --force 2>nul
+call "%TOOLS%.venv\Scripts\conan.exe" profile detect --force 2>nul
 if errorlevel 1 (
     echo   [WARN] Conan profile 配置失败 (可能首次运行需手动配置)
 )