perf: harden runtime for weaker hardware

tools/quality.sh

@@ -26,6 +26,8 @@ CROSS_PLATFORM_PLUGIN_FILES=(
   addons/terrain_3d/bin/libterrain.windows.release.x86_64.dll
 )
 REQUIRED_GODOT_SERIES="4.7"
+RUNNING_ON_MACOS=false
+[[ "${OSTYPE:-}" == darwin* ]] && RUNNING_ON_MACOS=true
 
 # -- tool detection -----------------------------------------------------------
 console_godot_path() {
@@ -143,6 +145,31 @@ contains_element() {
   local e; for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done; return 1
 }
 
+is_allowed_scenario_diagnostic() {
+  local diagnostic="$1"
+
+  # Godot 4.7 can fail to read the system certificate store on macOS when HOME
+  # is intentionally isolated. Scenario tests do not perform network access.
+  if $RUNNING_ON_MACOS &&
+    [[ "$diagnostic" == 'ERROR: Condition "ret != noErr" is true. Returning: ""' ]]; then
+    return 0
+  fi
+
+  # Pinned Terrain3D 1.0.2 invokes this Godot 4.7 compatibility method while
+  # loading its vendored GDExtension. Remove this exception with that vendor fix.
+  if [[ "$diagnostic" == "WARNING: instance_reset_physics_interpolation() is deprecated." ]]; then
+    return 0
+  fi
+
+  # Godot 4.7's dummy headless renderer retains exactly one DummyShader RID at
+  # process teardown. A different RID type or count remains a gate failure.
+  if [[ "$diagnostic" == "ERROR: 1 RID allocations of type 'N13RendererDummy15MaterialStorage11DummyShaderE' were leaked at exit." ]]; then
+    return 0
+  fi
+
+  return 1
+}
+
 run_with_timeout() {
   local seconds="$1"
   shift
@@ -380,6 +407,40 @@ for test in tests/*_test.gd; do
     ERRORS+=("scenario: $(basename "$test") failed or timed out")
   fi
 done
+compatibility_test="tests/jajce_presentation_quality_test.gd"
+compatibility_label="$(basename "$compatibility_test") (gl_compatibility)"
+echo "[RUN] $compatibility_label" >> "$LOG/scenarios.log"
+if ! run_with_timeout 30 "${GODOT_ENV[@]}" "$GODOT" --headless --rendering-method gl_compatibility --path "$ROOT" --script "res://$compatibility_test" >> "$LOG/scenarios.log" 2>&1; then
+  scenario_result="FAIL"
+  ERRORS+=("scenario: $compatibility_label failed or timed out")
+fi
+unexpected_scenario_diagnostics=()
+current_scenario="unknown scenario"
+while IFS= read -r raw_line; do
+  raw_line="${raw_line%$'\r'}"
+  if [[ "$raw_line" == "[RUN] "* ]]; then
+    current_scenario="${raw_line#* }"
+    continue
+  fi
+  diagnostic="$raw_line"
+  diagnostic="${diagnostic#"${diagnostic%%[![:space:]]*}"}"
+  diagnostic="${diagnostic%"${diagnostic##*[![:space:]]}"}"
+  if [[ ! "$diagnostic" =~ ^((SCRIPT[[:space:]])?ERROR|WARNING): ]]; then
+    continue
+  fi
+  if ! is_allowed_scenario_diagnostic "$diagnostic"; then
+    unexpected_scenario_diagnostics+=("$current_scenario: $diagnostic")
+  fi
+done < "$LOG/scenarios.log"
+if [[ ${#unexpected_scenario_diagnostics[@]} -gt 0 ]]; then
+  scenario_result="FAIL"
+  ERRORS+=(
+    "scenario: Godot reported ${#unexpected_scenario_diagnostics[@]} unallowlisted ERROR/WARNING diagnostic(s)"
+  )
+  for diagnostic in "${unexpected_scenario_diagnostics[@]:0:20}"; do
+    ERRORS+=("scenario: $diagnostic")
+  done
+fi
 if grep -qE "SCRIPT ERROR:|Parse Error:|Failed to load script" "$LOG/scenarios.log"; then
   scenario_result="FAIL"
   ERRORS+=("scenario: Godot reported a script load or parse error")