diff --git a/.forgejo/workflows/main.yml b/.forgejo/workflows/main.yml
index ec45041..86942cb 100644
--- a/.forgejo/workflows/main.yml
+++ b/.forgejo/workflows/main.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+  pull_request:
 
 jobs:
   check:
diff --git a/.forgejo/workflows/pull-request.yml b/.forgejo/workflows/pull-request.yml
deleted file mode 100644
index ba4afb3..0000000
--- a/.forgejo/workflows/pull-request.yml
+++ /dev/null
@@ -1,81 +0,0 @@
-name: Pull Request
-
-on:
-  pull_request:
-
-jobs:
-  check:
-    runs-on: x86_64
-    steps:
-      - uses: actions/checkout@v4
-      - name: Check flake
-        run: |
-          source /etc/bashrc
-          nix flake check
-
-  list-packages:
-    runs-on: x86_64
-    outputs:
-      packages: ${{ steps.set-matrix.outputs.packages }}
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - id: set-matrix
-        run: |
-          source /etc/bashrc
-          ALL_PACKAGES=$(nix flake show --json | nix run nixpkgs#jq -- -r '.packages."x86_64-linux" | keys[]')
-          
-          if [ "${{ github.event_name }}" == "pull_request" ]; then
-            echo "Detecting changed packages for PR..."
-            BASE_REF="${{ github.base_ref }}"
-            # Ensure the base branch is available for diffing
-            git fetch origin "$BASE_REF" --depth=1
-            CHANGED_FILES=$(git diff --name-only "origin/$BASE_REF"...HEAD)
-            
-            if echo "$CHANGED_FILES" | grep -qE 'flake.nix|flake.lock'; then
-              echo "Flake files changed, building all packages."
-              SELECTED_PACKAGES=$(echo "$ALL_PACKAGES" | nix run nixpkgs#jq -- -R . | nix run nixpkgs#jq -- -s -c .)
-            else
-              # Extract package names from pkgs/<name>/
-              CHANGED_PKGS=$(echo "$CHANGED_FILES" | grep '^pkgs/' | cut -d'/' -f2 | sort -u || true)
-              
-              FINAL_PKGS=()
-              for pkg in $CHANGED_PKGS; do
-                if echo "$ALL_PACKAGES" | grep -q "^$pkg$"; then
-                  FINAL_PKGS+=("$pkg")
-                fi
-              done
-              
-              if [ ${#FINAL_PKGS[@]} -eq 0 ]; then
-                SELECTED_PACKAGES="[]"
-              else
-                SELECTED_PACKAGES=$(printf '%s\n' "${FINAL_PKGS[@]}" | nix run nixpkgs#jq -- -R . | nix run nixpkgs#jq -- -s -c .)
-              fi
-            fi
-          else
-            echo "Push event, listing all packages."
-            SELECTED_PACKAGES=$(echo "$ALL_PACKAGES" | nix run nixpkgs#jq -- -R . | nix run nixpkgs#jq -- -s -c .)
-          fi
-          
-          echo "packages=$SELECTED_PACKAGES" >> $GITHUB_OUTPUT
-
-  build:
-    needs: [check, list-packages]
-    runs-on: x86_64
-    if: ${{ fromJson(needs.list-packages.outputs.packages)[0] != null }}
-    strategy:
-      fail-fast: false
-      matrix:
-        package: ${{ fromJson(needs.list-packages.outputs.packages) }}
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Build package
-        run: |
-          source /etc/bashrc
-          nix build .#${{ matrix.package }}
-
-
diff --git a/.forgejo/workflows/update-vscode-insiders.yml b/.forgejo/workflows/update-vscode-insiders.yml
new file mode 100644
index 0000000..33c1486
--- /dev/null
+++ b/.forgejo/workflows/update-vscode-insiders.yml
@@ -0,0 +1,93 @@
+name: Update VSCode Insiders
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+jobs:
+  update:
+    runs-on: x86_64
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Check for new vscode-insiders release
+        id: check
+        run: |
+          source /etc/bashrc
+
+          CURRENT_VERSION=$(grep 'version = ' pkgs/vscode-insiders/default.nix | head -1 | grep -oP '"[^"]+"' | tr -d '"')
+          echo "Current version: $CURRENT_VERSION"
+
+          LATEST_VERSION=$(curl -fsSL https://update.code.visualstudio.com/api/releases/insider | nix run nixpkgs#jq -- -r '.[0]')
+          echo "Latest version: $LATEST_VERSION"
+
+          if [ "$CURRENT_VERSION" = "$LATEST_VERSION" ]; then
+            echo "Already up to date."
+            echo "updated=false" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+
+          echo "New version found: $LATEST_VERSION"
+          echo "latest_version=$LATEST_VERSION" >> $GITHUB_OUTPUT
+          echo "updated=true" >> $GITHUB_OUTPUT
+
+      - name: Update version and sha256
+        if: steps.check.outputs.updated == 'true'
+        id: update
+        run: |
+          source /etc/bashrc
+
+          LATEST="${{ steps.check.outputs.latest_version }}"
+          URL="https://code.visualstudio.com/sha/download?build=insider&os=linux-x64"
+
+          echo "Fetching new sha256 for VSCode Insiders..."
+          NEW_SHA256=$(nix-prefetch-url --type sha256 "$URL" 2>/dev/null | tail -1)
+          NEW_SHA256_SRI=$(nix hash convert --hash-algo sha256 --to sri "$NEW_SHA256")
+          echo "New sha256 (SRI): $NEW_SHA256_SRI"
+
+          sed -i "s|version = \".*\";|version = \"${LATEST}\";|" pkgs/vscode-insiders/default.nix
+          sed -i "s|sha256 = \"sha256-.*\";|sha256 = \"${NEW_SHA256_SRI}\";|" pkgs/vscode-insiders/default.nix
+
+          echo "new_sha256=$NEW_SHA256_SRI" >> $GITHUB_OUTPUT
+
+      - name: Verify build
+        if: steps.check.outputs.updated == 'true'
+        run: |
+          source /etc/bashrc
+          NIXPKGS_ALLOW_UNFREE=1 nix build .#vscode-insiders
+
+      - name: Create Pull Request
+        if: steps.check.outputs.updated == 'true'
+        env:
+          API_FORGEJO_TOKEN: ${{ secrets.API_FORGEJO_TOKEN }}
+        run: |
+          source /etc/bashrc
+
+          LATEST="${{ steps.check.outputs.latest_version }}"
+          BRANCH="update/vscode-insiders-${LATEST}"
+
+          git config user.name "mizuki"
+          git config user.email "akiyama@mizuki.guru"
+
+          git checkout -b "$BRANCH"
+          git add pkgs/vscode-insiders/default.nix
+          git commit -m "pkgs/vscode-insiders: update to ${LATEST}"
+
+          REPO_URL=$(git remote get-url origin | sed 's|https://||')
+          git push "https://oauth2:${API_FORGEJO_TOKEN}@${REPO_URL}" "$BRANCH"
+
+          FORGEJO_HOST=$(echo "$REPO_URL" | cut -d'/' -f1)
+          REPO_PATH=$(echo "$REPO_URL" | cut -d'/' -f2-)
+          
+          curl -fsSL -X POST \
+            -H "Authorization: token ${API_FORGEJO_TOKEN}" \
+            -H "Content-Type: application/json" \
+            "https://${FORGEJO_HOST}/api/v1/repos/${REPO_PATH}/pulls" \
+            -d "{
+              \"title\": \"pkgs/vscode-insiders: update to ${LATEST}\",
+              \"head\": \"${BRANCH}\",
+              \"base\": \"main\",
+              \"body\": \"Automated update of VSCode Insiders to version \`${LATEST}\`.\n\nNew SRI Hash: \`${{ steps.update.outputs.new_sha256 }}\`\"
+            }"
\ No newline at end of file
diff --git a/README.md b/README.md
index 2508c95..4cf4e13 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,8 @@ imnyang's custom nixpkgs overlay.
 
 ## Included Packages
 - `helium`: Helium AppImage wrapper
-- `figma-linux`: Figma Desktop for Linux
 - `helium-sync`: Helium Sync utility
+- `vscode-insiders`: VSCode Insiders
 - `waterfox-bin`: Waterfox Browser
 - `xcursor-mizuki`: Custom cursor
 - `pjsk-cursor`: Custom cursor
@@ -42,3 +42,33 @@ Add the following to your nix configuration:
 ```
 
 ## Modules
+
+### helium-sync
+
+#### NixOS
+```nix
+{
+  inputs.imnyang.url = "git+https://git.mizuki.guru/imnyang/nix-packages.git";
+  outputs = { self, nixpkgs, imnyang }: {
+    nixosConfigurations.my-host = nixpkgs.lib.nixosSystem {
+      modules = [
+        imnyang.nixosModules.helium-sync
+      ];
+    };
+  };
+}
+```
+
+#### Home Manager
+```nix
+{
+  inputs.imnyang.url = "git+https://git.mizuki.guru/imnyang/nix-packages.git";
+  outputs = { self, home-manager, imnyang, ... }: {
+    homeConfigurations.my-user = home-manager.lib.homeManagerConfiguration {
+      modules = [
+        imnyang.homeManagerModules.helium-sync
+      ];
+    };
+  };
+}
+```
diff --git a/flake.lock b/flake.lock
index f6a9c89..5966c45 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1779508470,
-        "narHash": "sha256-Ap9KJX+5xHIn3bPIpfNgT6MEXdAECECwo4/rmlQD74M=",
+        "lastModified": 1779357205,
+        "narHash": "sha256-cCO8aTqss5x9Ky8GWkpY0Hy5fyTZEbtifSUV8QjSzic=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "29916453413845e54a65b8a1cf996842300cd299",
+        "rev": "f83fc3c307e74bc5fd5adb7eb6b8b13ffd2a36e1",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 33506aa..bb164b2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,45 +7,40 @@
 
   outputs = { self, nixpkgs }:
   let
-    supportedSystems = [
-      "x86_64-linux"
-      "aarch64-darwin"
-      "x86_64-darwin"
-    ];
-
+    system = "x86_64-linux";
+    
+    # Overlay 정의
     overlay = final: prev: {
       waterfox-bin = final.callPackage ./pkgs/waterfox-bin/default.nix { };
       xcursor-mizuki = final.callPackage ./pkgs/xcursor-mizuki/default.nix { };
       pjsk-cursor = final.callPackage ./pkgs/pjsk-cursor/default.nix { };
       helium = final.callPackage ./pkgs/helium/default.nix { };
-      figma-linux = final.callPackage ./pkgs/figma-linux/default.nix { };
+      helium-sync = final.callPackage ./pkgs/helium-sync/default.nix { };
+      vscode-insiders = final.callPackage ./pkgs/vscode-insiders/default.nix { };
     };
 
-    forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f (
-      import nixpkgs {
-        inherit system;
-        overlays = [ overlay ];
-        config.allowUnfree = true;
-      }
-    ));
+    pkgs = import nixpkgs {
+      inherit system;
+      overlays = [ overlay ];
+      config.allowUnfree = true;
+    };
   in {
     overlays.default = overlay;
 
-    packages = forAllSystems (pkgs: 
-      let
-        allPkgs = {
-          inherit (pkgs) 
-            waterfox-bin 
-            xcursor-mizuki 
-            pjsk-cursor 
-            helium
-            figma-linux;
-        };
-      in
-        nixpkgs.lib.filterAttrs (name: pkg: 
-          nixpkgs.lib.elem pkgs.stdenv.hostPlatform.system (pkg.meta.platforms or [ "x86_64-linux" ])
-        ) allPkgs
-    );
+    nixosModules.helium-sync = import ./modules/helium-sync.nix;
+    homeManagerModules.helium-sync = import ./modules/helium-sync-hm.nix;
+
+    packages.${system} = {
+      inherit (pkgs) 
+        waterfox-bin 
+        xcursor-mizuki 
+        pjsk-cursor 
+        helium 
+        helium-sync 
+        vscode-insiders;
+      
+      default = pkgs.helium; # 예시로 하나를 기본값으로 지정
+    };
 
     nixConfig = {
       extra-substituters = [
@@ -56,4 +51,4 @@
       ];
     };
   };
-}
+}
\ No newline at end of file
diff --git a/pkgs/figma-linux/default.nix b/pkgs/figma-linux/default.nix
deleted file mode 100644
index 08e7b54..0000000
--- a/pkgs/figma-linux/default.nix
+++ /dev/null
@@ -1,57 +0,0 @@
-{
-  appimageTools,
-  fetchurl,
-  lib,
-}:
-
-let
-  pname = "figma-linux";
-  version = "126.5.6";
-
-  src = fetchurl {
-    url = "https://github.com/IliyaBrook/figma-linux/releases/download/${version}/figma-desktop-${version}-amd64.AppImage";
-    hash = "sha256-SLn4y+NVCcBDZrGqIpmpIEQavY7xngt5JMI8yG1g6/0=";
-  };
-
-  appimageContents = appimageTools.extract {
-    inherit pname version src;
-
-    # The upstream AppImage registers an AppImage-specific desktop entry at
-    # runtime. That bypasses this package's FHS wrapper when a figma:// URL is
-    # opened, so Electron cannot find libraries such as libnspr4.so.
-    postExtract = ''
-      substituteInPlace $out/AppRun \
-        --replace-fail 'integrate_desktop 2>/dev/null || true' \
-          'true # Desktop integration is provided by the Nix package'
-    '';
-  };
-in
-appimageTools.wrapAppImage {
-  inherit pname version;
-  src = appimageContents;
-
-  extraInstallCommands = ''
-    install -Dm444 ${appimageContents}/usr/share/applications/io.github.nickvdp.figma-desktop-linux.desktop \
-      -t $out/share/applications
-    substituteInPlace $out/share/applications/io.github.nickvdp.figma-desktop-linux.desktop \
-      --replace-fail 'Exec=AppRun' 'Exec=${pname}'
-
-    install -Dm444 ${appimageContents}/io.github.nickvdp.figma-desktop-linux.png \
-      $out/share/icons/hicolor/256x256/apps/io.github.nickvdp.figma-desktop-linux.png
-  '';
-
-  extraPkgs = pkgs: with pkgs; [
-    libappindicator-gtk3
-    libnotify
-    libsecret
-  ];
-
-  meta = {
-    description = "Figma Desktop for Linux";
-    homepage = "https://github.com/IliyaBrook/figma-linux";
-    license = lib.licenses.unfree;
-    mainProgram = "figma-linux";
-    platforms = [ "x86_64-linux" ];
-    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
-  };
-}
diff --git a/pkgs/helium-sync/default.nix b/pkgs/helium-sync/default.nix
new file mode 100644
index 0000000..db06a38
--- /dev/null
+++ b/pkgs/helium-sync/default.nix
@@ -0,0 +1,27 @@
+{
+  lib,
+  buildGoModule,
+  fetchFromGitHub,
+}:
+buildGoModule rec {
+  pname = "helium-sync";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "imnyang";
+    repo = "helium-sync";
+    rev = "v${version}";
+    hash = "sha256-ARd2S9c5iFVvSwFTyZjEB2w1l54vvYBXKZTESWpCqvw=";
+  };
+
+  vendorHash = "sha256-sWi8QV1uMjfgRMATjXb/qCp6IvBQojtLI3Gr2BHS9Hs=";
+
+  subPackages = [ "cmd/helium-sync" ];
+
+  meta = {
+    description = "Synchronize selected Helium browser profile data across devices using Amazon S3";
+    homepage = "https://github.com/imnyang/helium-sync";
+    license = lib.licenses.mit;
+    mainProgram = "helium-sync";
+  };
+}
diff --git a/pkgs/vscode-insiders/default.nix b/pkgs/vscode-insiders/default.nix
new file mode 100644
index 0000000..fe37f77
--- /dev/null
+++ b/pkgs/vscode-insiders/default.nix
@@ -0,0 +1,29 @@
+{ pkgs }:
+
+let
+  src = fetchTarball {
+    url = "https://code.visualstudio.com/sha/download?build=insider&os=linux-x64";
+    sha256 = "0y0fcb1fadms3zp191gh74kn7vhp0mm02582km1anvsryc4ks5dq"; 
+  };
+in
+(pkgs.vscode.override {
+  isInsiders = true;
+}).overrideAttrs (oldAttrs: {
+  pname = "vscode-insiders";
+  version = "1.122.0-insider";
+  isInsiders = true;
+  inherit src;
+
+  buildInputs = (oldAttrs.buildInputs or []) ++ [ pkgs.krb5 pkgs.libsoup_3 pkgs.webkitgtk_4_1 ];
+
+
+  prePatch = ''
+    ${oldAttrs.prePatch or ""}
+    mkdir -p resources/app/node_modules/@vscode/ripgrep/bin
+    touch resources/app/node_modules/@vscode/ripgrep/bin/rg
+  '';
+
+  meta = (oldAttrs.meta or {}) // {
+    mainProgram = "code-insiders";
+  };
+})