workflow: force host mode via self-hosted label

ubuntu-latest routes to container mode in act_runner even with the
:host suffix on the runner labels. Explicit self-hosted forces
host-mode where /usr/local/bin/claw-cargo + per-runner tls_dir are
visible.

.gitea/workflows/build-with-cache.yml

@@ -9,22 +9,25 @@ on:
 jobs:
   build:
     name: Cargo build (clawstor-cached)
-    runs-on: ubuntu-latest       # host runner — cargo/cmake pre-installed
+    # Force host mode via self-hosted label — `ubuntu-latest` in
+    # act_runner defaults to container mode which hides
+    # /usr/local/bin/claw-cargo and the per-runner tls_dir.
+    runs-on: self-hosted
     steps:
       - uses: actions/checkout@v4
 
-      - name: Preflight tools + toolchain
+      - name: Environment report
-        # Host runner: cmake/gcc/pkg-config come from the OS,
-        # cargo/rustup come from the act_runner user's ~/.cargo/bin
-        # (already on PATH via systemd unit Environment=).
         run: |
+          echo "user: $(whoami)"
+          echo "home: $HOME"
+          uname -a
           echo "$HOME/.cargo/bin" >> $GITHUB_PATH
-          for bin in rustc cargo cmake pkg-config; do
+          for bin in rustc cargo cmake pkg-config claw-cargo; do
-            if ! command -v $bin >/dev/null 2>&1; then
+            if command -v $bin >/dev/null 2>&1; then
-              echo "::error::$bin not found on PATH"
+              echo "$(command -v $bin) $($bin --version 2>&1 | head -1)"
-              exit 1
+            else
+              echo "MISSING: $bin"
             fi
-            $bin --version | head -1
           done
 
       - name: Build with clawstor cache
@@ -33,7 +36,6 @@ jobs:
         with:
           workspace: '.'
           profile: 'dev'
-          # Read-only from forks so a malicious PR can't poison the cache.
           no-upload: ${{ github.event_name == 'pull_request' }}
 
       - name: Announce outcome