diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index b81561a56f..88f2c96574 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -9,12 +9,14 @@ FROM mcr.microsoft.com/devcontainers/cpp:${VARIANT}
 ARG DEBIAN_FRONTEND=noninteractive
 ENV TZ=Asia/Shanghai
 
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
 RUN apt-get update \
   && apt-get upgrade -y
 
 RUN apt-get update \
   && apt-get install -y apt-transport-https apt-utils build-essential \
-      ca-certificates ccache clang-format-14 curl file g++-multilib git gnupg \
+      ca-certificates ccache curl file g++-multilib git gnupg \
       libgcc-12-dev lib32gcc-12-dev libzstd-dev lsb-release \
       ninja-build ocaml ocamlbuild opam \
       python3-venv python3-pip \
@@ -23,7 +25,7 @@ RUN apt-get update \
 
 WORKDIR /opt
 
-ARG WASI_SDK_VER=25
+ARG WASI_SDK_VER=29
 RUN wget -c --progress=dot:giga https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_SDK_VER}/wasi-sdk-${WASI_SDK_VER}.0-x86_64-linux.tar.gz -P /tmp \
   && tar xf /tmp/wasi-sdk-${WASI_SDK_VER}.0-x86_64-linux.tar.gz -C /opt \
   && ln -sf /opt/wasi-sdk-${WASI_SDK_VER}.0-x86_64-linux /opt/wasi-sdk
@@ -35,6 +37,32 @@ RUN wget -c --progress=dot:giga https://github.com/WebAssembly/wabt/releases/dow
 
 # set path
 
+# Install wasm-tools
+ARG WASM_TOOLS_VER=1.243.0
+RUN wget -c --progress=dot:giga https://github.com/bytecodealliance/wasm-tools/releases/download/v${WASM_TOOLS_VER}/wasm-tools-${WASM_TOOLS_VER}-x86_64-linux.tar.gz -P /tmp
+RUN tar xzf /tmp/wasm-tools-${WASM_TOOLS_VER}-x86_64-linux.tar.gz -C /opt\
+  && ln -sf /opt/wasm-tools-${WASM_TOOLS_VER}-x86_64-linux/wasm-tools /usr/local/bin/wasm-tools
+
+# set proxy variables for sudoer
+RUN echo 'Defaults env_keep += "http_proxy https_proxy no_proxy HTTP_PROXY HTTPS_PROXY NO_PROXY"' | tee /etc/sudoers.d/proxy
+
+# Install uv for virtual environment management
+RUN wget -qO- https://astral.sh/uv/install.sh | sh
+
+# Install utilities for C/C++ development
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends bear ccache clang-tidy shellcheck
+
+# Install clang-format-21 from the official LLVM apt repository
+# (Debian 12 default repositories do not provide clang-format-21)
+RUN wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc \
+  && echo "deb http://apt.llvm.org/bookworm/ llvm-toolchain-bookworm-21 main" > /etc/apt/sources.list.d/llvm.list \
+  && apt-get update \
+  && apt-get install -y --no-install-recommends clang-format-21
+
+# set path
+RUN ln -sf /usr/bin/clang-format-21 /usr/bin/clang-format
+
 # clean up
 RUN apt-get autoremove -y \
   && apt-get clean -y \
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index b36c063091..9521e87cef 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -18,9 +18,13 @@
       "settings": {},
       "extensions": [
         "dtsvet.vscode-wasm",
+        "esbenp.prettier-vscode",
         "ms-python.python",
         "ms-python.vscode-pylance",
-        "ms-vscode.cmake-tools"
+        "ms-vscode.cmake-tools",
+        "ms-vscode.cpptools-extension-pack",
+        "streetsidesoftware.code-spell-checker",
+        "vadimcn.vscode-lldb"
       ]
     }
   },
diff --git a/.devcontainer/finalize.sh b/.devcontainer/finalize.sh
index a7d877b82e..725bf993f4 100644
--- a/.devcontainer/finalize.sh
+++ b/.devcontainer/finalize.sh
@@ -1,3 +1,7 @@
+set -o errexit
+set -o pipefail
+set -o nounset
+
 echo "Running finalize script..."
 
 #
diff --git a/.gitignore b/.gitignore
index 92909c9f84..b497eb33a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 .*
 !.gitignore
+!.devcontainer
+!.github
 
 .cache
 .clangd