Fix server lifetime: setsid + pre-test health check

Use setsid so adaptixserver runs in a new session, preventing WSL2
from killing it when the step's bash session exits. Log server output
to /tmp/adaptixserver.log and fail fast with the log if it dies before
tests run.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: TGJLS

.github/workflows/test.yaml

@@ -114,9 +114,13 @@ jobs:
         shell: wsl-bash {0}
         run: |
           cd /tmp/adaptixc2/dist
-          ./adaptixserver -profile profile.yaml &
+          setsid ./adaptixserver -profile profile.yaml > /tmp/adaptixserver.log 2>&1 &
           echo $! > /tmp/adaptixc2.pid
-          sleep 2
+          for i in $(seq 1 30); do
+            nc -z 127.0.0.1 4321 2>/dev/null && break
+            sleep 1
+          done
+          nc -z 127.0.0.1 4321 || { echo "AdaptixC2 server did not start within 30s"; cat /tmp/adaptixserver.log; exit 1; }
 
       # ── WSL: install testing kit ─────────────────────────────────────────────
 
@@ -186,6 +190,11 @@ jobs:
             terminate: true
           EOF
 
+      - name: Check server alive
+        shell: wsl-bash {0}
+        run: |
+          nc -z 127.0.0.1 4321 || { echo "Server down before tests — log:"; cat /tmp/adaptixserver.log; exit 1; }
+
       - name: Run integration tests
         shell: wsl-bash {0}
         run: |