refactor: create workspace, move 'pacman' into pacman/ subfolder as workspace member

.github/workflows/build.yaml

@@ -53,7 +53,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: target/vcpkg
-          key: A-vcpkg-${{ runner.os }}-${{ matrix.target }}-${{ hashFiles('Cargo.toml', 'Cargo.lock') }}
+          key: A-vcpkg-${{ runner.os }}-${{ matrix.target }}-${{ hashFiles('pacman/Cargo.toml', 'pacman/Cargo.lock') }}
           restore-keys: |
             A-vcpkg-${{ runner.os }}-${{ matrix.target }}-
 
@@ -67,9 +67,11 @@ jobs:
         run: |
           cargo install cargo-vcpkg
           cargo vcpkg -v build
+        working-directory: pacman
 
       - name: Build
         run: cargo build --release
+        working-directory: pacman
 
       - name: Acquire Package Version
         id: get_version
@@ -77,6 +79,7 @@ jobs:
         run: |
           set -euo pipefail # exit on error
           echo "version=$(cargo metadata --format-version 1 --no-deps | jq '.packages[0].version' -r)" >> $GITHUB_OUTPUT
+        working-directory: pacman
 
       - name: Upload Artifact
         uses: actions/upload-artifact@v4
@@ -131,7 +134,7 @@ jobs:
             echo "Build attempt $attempt of $MAX_RETRIES"
 
             # Capture output and check for specific error while preserving real-time output
-            if bun run -i web.build.ts 2>&1 | tee /tmp/build_output.log; then
+            if bun run -i pacman/web.build.ts 2>&1 | tee /tmp/build_output.log; then
               echo "Build successful on attempt $attempt"
               break
             else