debug(ci): add verbose logging for Twilio 0-mocks issue

Print CWD, spec file listing, and full mockd debug log when 0 mocks
load. Should reveal whether import path resolution or spec parsing
is the root cause.

Author: zach-snell

.github/workflows/ci.yaml

@@ -128,7 +128,10 @@ jobs:
         run: |
           CONFIG_DIR=$(dirname ${{ matrix.sample.config }})
           cd "$CONFIG_DIR"
-          nohup mockd start -c mockd.yaml --no-auth --log-level warn > /tmp/mockd.log 2>&1 &
+          echo "CWD: $(pwd)"
+          echo "Config: $(ls -la mockd.yaml)"
+          echo "Spec files: $(ls -la *.json *.yaml 2>/dev/null | grep -v mockd.yaml || echo 'none')"
+          nohup mockd start -c mockd.yaml --no-auth --log-level debug > /tmp/mockd.log 2>&1 &
           echo $! > /tmp/mockd.pid
           for i in $(seq 1 120); do
             curl -sf http://localhost:4290/health > /dev/null 2>&1 && break
@@ -140,7 +143,13 @@ jobs:
             exit 1
           fi
           echo ""
-          mockd list --json --admin-url http://localhost:4290 | python3 -c "import sys,json; d=json.load(sys.stdin); print(f'Loaded {len(d)} mocks')"
+          MOCK_COUNT=$(mockd list --json --admin-url http://localhost:4290 | python3 -c "import sys,json; d=json.load(sys.stdin); print(len(d))")
+          echo "Loaded $MOCK_COUNT mocks"
+          if [ "$MOCK_COUNT" -eq 0 ]; then
+            echo "=== mockd log (0 mocks loaded) ==="
+            cat /tmp/mockd.log | tail -30
+            exit 1
+          fi
 
       - name: Smoke test — Stripe
         if: matrix.sample.name == 'stripe'