feat(tools): declarative site terrain baker and calibration recipe

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

scripts/quality_gate.sh

@@ -123,6 +123,14 @@ check_godot_log \
 	"production site application unit tests" \
 	"$QUALITY_TEMP_DIRECTORY/site-application-unit-console.log"
 
+printf 'Quality gate: site baker unit tests\n'
+"$GODOT_EXECUTABLE" --headless \
+	--log-file "$QUALITY_TEMP_DIRECTORY/site-baker-unit.log" \
+	--path . \
+	--script tests/unit/run_site_baker_tests.gd \
+	2>&1 | tee "$QUALITY_TEMP_DIRECTORY/site-baker-unit-console.log"
+check_godot_log "site baker unit tests" "$QUALITY_TEMP_DIRECTORY/site-baker-unit-console.log"
+
 printf 'Quality gate: production foundation integration\n'
 "$GODOT_EXECUTABLE" --headless \
 	--log-file "$QUALITY_TEMP_DIRECTORY/foundation-integration.log" \