performance-test.yml: pytest -s + guard report pipeline

The previous run's speedup worked (step #6 went 3 min -> 1 min,
step #8 7 min -> 5 min, total ~7 min wall time), but step #9
Create Performance Report aborted because pytest captures stdout
by default. The test code's per-query timing prints
(`NeuronsPartHere: 1.28s ✅` etc) never made it into
performance_test_output.log, and the report parser's
`grep -E ^(...) | while read` pipe returned grep-exit-1 on the
empty match. With pipefail+set-e that's a step failure.

Two-pronged fix:

1. `pytest -v -n auto` -> `pytest -v -s -n auto` in step #6, and
   `pytest -v -n 8` -> `pytest -v -s -n 8` in step #8. `-s`
   disables stdout capture so the timing prints land in the log
   like they did under `python -m unittest`.

2. Wrap the timing-extraction grep in `{ grep || true; } | while`
   so pipefail can't fail the report step on a future format
   change.

Author: Robbie1977

.github/workflows/performance-test.yml

@@ -59,15 +59,15 @@ jobs:
         run: |
           set +e
           echo "=== Performance test attempt 1/2 (parallel) ==="
-          pytest -v -n auto src/test/test_query_performance.py 2>&1 | tee performance_test_output.log
+          pytest -v -s -n auto src/test/test_query_performance.py 2>&1 | tee performance_test_output.log
           FIRST_EXIT=${PIPESTATUS[0]}
           if [[ $FIRST_EXIT -eq 0 ]]; then
               exit 0
           fi
           echo ""
           echo "=== Attempt 1 failed (exit $FIRST_EXIT). Retrying once with warm cache. ==="
           echo "=== RETRY ATTEMPT (auto-retry on first failure) ===" > performance_test_output.log
-          pytest -v -n auto src/test/test_query_performance.py 2>&1 | tee -a performance_test_output.log
+          pytest -v -s -n auto src/test/test_query_performance.py 2>&1 | tee -a performance_test_output.log
           exit ${PIPESTATUS[0]}
 
       - name: Run Legacy Performance Test
@@ -123,7 +123,7 @@ jobs:
           # grades on the last attempt only.
           set +e
           echo "=== Connectivity test attempt 1/2 (parallel) ==="
-          pytest -v -n 8 \
+          pytest -v -s -n 8 \
             src/test/test_neuron_neuron_connectivity.py \
             src/test/test_neuron_region_connectivity.py \
             src/test/test_upstream_class_connectivity.py \
@@ -137,7 +137,7 @@ jobs:
           fi
           echo ""
           echo "=== Connectivity attempt 1 failed (exit $FIRST_EXIT). Retrying once with warm cache. ==="
-          pytest -v -n 8 \
+          pytest -v -s -n 8 \
             src/test/test_neuron_neuron_connectivity.py \
             src/test/test_neuron_region_connectivity.py \
             src/test/test_upstream_class_connectivity.py \
@@ -296,9 +296,12 @@ jobs:
               echo "| Query | Duration | Status |" >> performance.md
               echo "|-------|----------|--------|" >> performance.md
               
-              # Parse timing information
-              grep -E "^(get_term_info|NeuronsPartHere|NeuronsSynaptic|NeuronsPresynapticHere|NeuronsPostsynapticHere|ComponentsOf|PartsOf|SubclassesOf|NeuronClassesFasciculatingHere|TractsNervesInnervatingHere|LineageClonesIn|ListAllAvailableImages|NeuronNeuronConnectivityQuery|NeuronRegionConnectivityQuery|NeuronInputsTo|DownstreamClassConnectivity|UpstreamClassConnectivity|QueryConnectivity):" performance_test_output.log | while read line; do
-                QUERY=$(echo "$line" | sed 's/:.*//') 
+              # Parse timing information. The `|| true` guards against pipefail
+              # propagating grep's exit-1 (no matches) into the step — which
+              # was happening when pytest captured stdout and the per-query
+              # timing lines never landed in the log.
+              { grep -E "^(get_term_info|NeuronsPartHere|NeuronsSynaptic|NeuronsPresynapticHere|NeuronsPostsynapticHere|ComponentsOf|PartsOf|SubclassesOf|NeuronClassesFasciculatingHere|TractsNervesInnervatingHere|LineageClonesIn|ListAllAvailableImages|NeuronNeuronConnectivityQuery|NeuronRegionConnectivityQuery|NeuronInputsTo|DownstreamClassConnectivity|UpstreamClassConnectivity|QueryConnectivity):" performance_test_output.log || true; } | while read line; do
+                QUERY=$(echo "$line" | sed 's/:.*//')
                 DURATION=$(echo "$line" | sed 's/.*: \([0-9.]*\)s.*/\1/')
                 if echo "$line" | grep -q "✅"; then
                   STATUS="✅ Pass"