fix(ci): resolve disk space issues and optimize Docker image sizes

.github/workflows/ci.yml

@@ -81,12 +81,15 @@ jobs:
     needs: [test, lint]
     steps:
       - name: Clear Space
-        if: github.event_name == 'pull_request'
+        # Note: Manual cleanup sufficient for CPU images (python:3.12-slim base ~150MB)
+        # Only CUDA images need aggressive cleanup due to their ~10-15GB size
         run: |
           rm -rf /usr/share/dotnet
           rm -rf /opt/ghc
           rm -rf "/usr/local/share/boost"
           rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -132,13 +135,20 @@ jobs:
     runs-on: ubuntu-latest
     needs: [test, lint]
     steps:
-      - name: Clear Space
-        if: github.event_name == 'pull_request'
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
+
+      - name: Additional cleanup and report
         run: |
-          rm -rf /usr/share/dotnet
-          rm -rf /opt/ghc
-          rm -rf "/usr/local/share/boost"
-          rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -179,13 +189,20 @@ jobs:
     runs-on: ubuntu-latest
     needs: [test, lint]
     steps:
-      - name: Clear Space
-        if: github.event_name == 'pull_request'
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
+
+      - name: Additional cleanup and report
         run: |
-          rm -rf /usr/share/dotnet
-          rm -rf /opt/ghc
-          rm -rf "/usr/local/share/boost"
-          rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -247,12 +264,20 @@ jobs:
     needs: [test, lint, docker-test, release]
     if: github.ref == 'refs/heads/main' && github.event_name == 'push' && !needs.release.outputs.release_created
     steps:
-      - name: Clear Space
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
+
+      - name: Additional cleanup and report
         run: |
-          rm -rf /usr/share/dotnet
-          rm -rf /opt/ghc
-          rm -rf "/usr/local/share/boost"
-          rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -306,6 +331,8 @@ jobs:
           rm -rf /opt/ghc
           rm -rf "/usr/local/share/boost"
           rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -353,12 +380,20 @@ jobs:
     needs: [test, lint, docker-test, docker-test-lb, release]
     if: github.ref == 'refs/heads/main' && github.event_name == 'push' && !needs.release.outputs.release_created
     steps:
-      - name: Clear Space
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
+
+      - name: Additional cleanup and report
         run: |
-          rm -rf /usr/share/dotnet
-          rm -rf /opt/ghc
-          rm -rf "/usr/local/share/boost"
-          rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -406,12 +441,20 @@ jobs:
     needs: [test, lint, docker-test, docker-test-lb-cpu, release]
     if: github.ref == 'refs/heads/main' && github.event_name == 'push' && !needs.release.outputs.release_created
     steps:
-      - name: Clear Space
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
+
+      - name: Additional cleanup and report
         run: |
-          rm -rf /usr/share/dotnet
-          rm -rf /opt/ghc
-          rm -rf "/usr/local/share/boost"
-          rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -459,12 +502,20 @@ jobs:
     needs: [release]
     if: needs.release.outputs.release_created
     steps:
-      - name: Clear Space
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
+
+      - name: Additional cleanup and report
         run: |
-          rm -rf /usr/share/dotnet
-          rm -rf /opt/ghc
-          rm -rf "/usr/local/share/boost"
-          rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -528,6 +579,8 @@ jobs:
           rm -rf /opt/ghc
           rm -rf "/usr/local/share/boost"
           rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -585,12 +638,20 @@ jobs:
     needs: [release]
     if: needs.release.outputs.release_created
     steps:
-      - name: Clear Space
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
+
+      - name: Additional cleanup and report
         run: |
-          rm -rf /usr/share/dotnet
-          rm -rf /opt/ghc
-          rm -rf "/usr/local/share/boost"
-          rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -648,12 +709,20 @@ jobs:
     needs: [release]
     if: needs.release.outputs.release_created
     steps:
-      - name: Clear Space
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
+
+      - name: Additional cleanup and report
         run: |
-          rm -rf /usr/share/dotnet
-          rm -rf /opt/ghc
-          rm -rf "/usr/local/share/boost"
-          rm -rf "$AGENT_TOOLSDIRECTORY"
+          docker system prune -af
+          df -h
 
       - name: Checkout repository
         uses: actions/checkout@v4

Dockerfile

@@ -17,8 +17,11 @@ RUN mkdir -p /root/.cache/apt/archives/partial \
  && echo 'Dir::Cache "/root/.cache/apt";' > /etc/apt/apt.conf.d/01cache
 
 # Install system dependencies and uv
+# Note: build-essential not pre-installed to reduce image size (400MB savings)
+# Automatic detection will install it when needed (no manual action required)
+# Advanced: Users can pre-install via system_dependencies=["build-essential"]
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-install-recommends \
-    build-essential curl ca-certificates nala git \
+    curl ca-certificates nala git \
  && curl -LsSf https://astral.sh/uv/install.sh | sh \
  && cp ~/.local/bin/uv /usr/local/bin/uv \
  && chmod +x /usr/local/bin/uv \

Dockerfile-cpu

@@ -12,8 +12,11 @@ RUN mkdir -p /root/.cache/apt/archives/partial \
  && echo 'Dir::Cache "/root/.cache/apt";' > /etc/apt/apt.conf.d/01cache
 
 # Install system dependencies and uv
+# Note: build-essential not pre-installed to reduce image size (400MB savings)
+# Automatic detection will install it when needed (no manual action required)
+# Advanced: Users can pre-install via system_dependencies=["build-essential"]
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-install-recommends \
-    build-essential curl ca-certificates nala git \
+    curl ca-certificates nala git \
  && curl -LsSf https://astral.sh/uv/install.sh | sh \
  && cp ~/.local/bin/uv /usr/local/bin/uv \
  && chmod +x /usr/local/bin/uv \

Dockerfile-lb

@@ -17,8 +17,11 @@ RUN mkdir -p /root/.cache/apt/archives/partial \
  && echo 'Dir::Cache "/root/.cache/apt";' > /etc/apt/apt.conf.d/01cache
 
 # Install system dependencies and uv
+# Note: build-essential not pre-installed to reduce image size (400MB savings)
+# Automatic detection will install it when needed (no manual action required)
+# Advanced: Users can pre-install via system_dependencies=["build-essential"]
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-install-recommends \
-    build-essential curl ca-certificates nala git \
+    curl ca-certificates nala git \
  && curl -LsSf https://astral.sh/uv/install.sh | sh \
  && cp ~/.local/bin/uv /usr/local/bin/uv \
  && chmod +x /usr/local/bin/uv \

Dockerfile-lb-cpu

@@ -12,8 +12,11 @@ RUN mkdir -p /root/.cache/apt/archives/partial \
  && echo 'Dir::Cache "/root/.cache/apt";' > /etc/apt/apt.conf.d/01cache
 
 # Install system dependencies and uv
+# Note: build-essential not pre-installed to reduce image size (400MB savings)
+# Automatic detection will install it when needed (no manual action required)
+# Advanced: Users can pre-install via system_dependencies=["build-essential"]
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-install-recommends \
-    build-essential curl ca-certificates nala git \
+    curl ca-certificates nala git \
  && curl -LsSf https://astral.sh/uv/install.sh | sh \
  && cp ~/.local/bin/uv /usr/local/bin/uv \
  && chmod +x /usr/local/bin/uv \