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

结论：第2组 kinematics manifest 补充 LinuxCNC tripod.ini、tripodsim.hal、TkLinuxCNC README 和 tripodkins manpage 源，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

@@ -690,6 +690,30 @@ if [[ -n "$manifest" && "$require_complete" == "--require-kinematics-complete" ]
         exit 1
     fi
 
+    required_tripod_asset_sources=(
+        configs/sim/tklinuxcnc/tripod.ini
+        lib/hallib/tripodsim.hal
+        configs/sim/tklinuxcnc/README
+    )
+    missing_tripod_asset_sources=()
+    for source in "${required_tripod_asset_sources[@]}"; do
+        if ! printf '%s\n' "${manifest_asset_sources[@]}" | grep -Fx -- "$source" >/dev/null; then
+            missing_tripod_asset_sources+=("$source")
+        fi
+    done
+    if ((${#missing_tripod_asset_sources[@]} > 0)); then
+        echo "manifest does not cover LinuxCNC tripod kinematics INI/HAL sources as asset sources: $manifest" >&2
+        printf 'missing tripod kinematics asset source: %s\n' "${missing_tripod_asset_sources[@]}" >&2
+        exit 1
+    fi
+
+    required_tripod_metadata_source=docs/man/man9/tripodkins.9
+    if ! printf '%s\n' "${manifest_metadata_sources[@]}" | grep -Fx -- "$required_tripod_metadata_source" >/dev/null; then
+        echo "manifest does not cover LinuxCNC tripodkins manpage source: $manifest" >&2
+        printf 'missing tripodkins metadata source: %s\n' "$required_tripod_metadata_source" >&2
+        exit 1
+    fi
+
     resolve_vismach_loadusr_source() {
         local command_name=$1
         case "$command_name" in