继续推进：浏览器批量验证LinuxCNC配置入口

结论：浏览器 WASM smoke 已读取 LinuxCNC 生成的 64 个 switchkins 配置用例，覆盖 config/MACHINE/KINEMATICS/HALFILE 入口；native 与 source-link 验证通过。

generate-linuxcnc-switchkins-remap-table.sh

@@ -8,6 +8,9 @@ mode=table
 if [[ "${1:-}" == "--config-cases" ]]; then
     mode=config-cases
     shift
+elif [[ "${1:-}" == "--json-cases" ]]; then
+    mode=json-cases
+    shift
 fi
 manifest=${1:-linuxcnc-kinematics-source-files.txt}
 
@@ -131,6 +134,7 @@ declare -A seen_aliases=()
 declare -A seen_cases=()
 entries=()
 case_entries=()
+json_case_entries=()
 
 add_alias() {
     local alias=$1
@@ -166,9 +170,12 @@ add_case() {
     [[ -z "${seen_cases[$key]:-}" ]] || return 0
 
     seen_cases[$key]=1
-    field=$(cpp_string "$field")
-    value=$(cpp_string "$value")
-    case_entries+=("            {\"$field\", \"$value\", $m428, $m429, $m430},")
+    local cpp_field
+    local cpp_value
+    cpp_field=$(cpp_string "$field")
+    cpp_value=$(cpp_string "$value")
+    case_entries+=("            {\"$cpp_field\", \"$cpp_value\", $m428, $m429, $m430},")
+    json_case_entries+=("{\"field\":\"$cpp_field\",\"value\":\"$cpp_value\",\"m428\":$m428,\"m429\":$m429,\"m430\":$m430}")
 }
 
 add_machine_aliases() {
@@ -298,6 +305,16 @@ elif [[ "$mode" == config-cases ]]; then
 EOF
 
     printf '%s\n' "${case_entries[@]}"
+elif [[ "$mode" == json-cases ]]; then
+    printf '[\n'
+    for i in "${!json_case_entries[@]}"; do
+        suffix=,
+        if [[ "$i" == "$((${#json_case_entries[@]} - 1))" ]]; then
+            suffix=
+        fi
+        printf '  %s%s\n' "${json_case_entries[$i]}" "$suffix"
+    done
+    printf ']\n'
 else
     echo "unknown switchkins remap table generator mode: $mode" >&2
     exit 1