每轮只推进合理适量的上下文、禁止顺手扩功能 smoke：补充delta运动学源清单

结论：第2组 kinematics manifest 补充 LinuxCNC ldelta/rdelta 配置、hallib HAL 和 demo notes，并在轻量 manifest 校验中固定这些 source coverage；native/source-link 均复用增量构建，没有触发慢编译。

check-linuxcnc-inputs.sh

@@ -590,6 +590,27 @@ if [[ -n "$manifest" && "$require_complete" == "--require-kinematics-complete" ]
         ' "$manifest" | sort -u
     )
 
+    required_delta_asset_sources=(
+        configs/sim/axis/ldelta.ini
+        configs/sim/axis/ldelta_demo.ini
+        configs/sim/axis/ldelta_demo.txt
+        configs/sim/axis/ldelta_demo_es.txt
+        configs/sim/axis/rdelta.ini
+        lib/hallib/sim_ldelta.hal
+        lib/hallib/sim_rdelta.hal
+    )
+    missing_delta_asset_sources=()
+    for source in "${required_delta_asset_sources[@]}"; do
+        if ! printf '%s\n' "${manifest_asset_sources[@]}" | grep -Fx -- "$source" >/dev/null; then
+            missing_delta_asset_sources+=("$source")
+        fi
+    done
+    if ((${#missing_delta_asset_sources[@]} > 0)); then
+        echo "manifest does not cover LinuxCNC delta kinematics INI/HAL demo sources as asset sources: $manifest" >&2
+        printf 'missing delta kinematics asset source: %s\n' "${missing_delta_asset_sources[@]}" >&2
+        exit 1
+    fi
+
     resolve_vismach_loadusr_source() {
         local command_name=$1
         case "$command_name" in