diff --git a/scripts/dev-svglide-ppe-env.sh b/scripts/dev-svglide-ppe-env.sh
new file mode 100755
index 000000000..6202838e7
--- /dev/null
+++ b/scripts/dev-svglide-ppe-env.sh
@@ -0,0 +1,258 @@
+#!/usr/bin/env sh
+
+RULE_GROUP="lark-cli"
+CANONICAL_RULE_NAME="lark-cli-openapi-ppe-svg-slides"
+PROXY_HOST="${LARK_CLI_PROXY_HOST:-127.0.0.1}"
+PROXY_PORT="${LARK_CLI_PROXY_PORT:-8899}"
+
+# Keep this list intentionally small and explicit. These were previous local
+# SVGlide/PPE rule names that can route generated SVG Slides to the wrong lane.
+# Do not store them in a whitespace-split variable: this script is meant to be
+# sourced by zsh as well as POSIX shells, and zsh does not split scalars by
+# whitespace unless SH_WORD_SPLIT is enabled.
+
+fail() {
+  printf '%s\n' "[svglide-ppe] $*" >&2
+  return 1 2>/dev/null || exit 1
+}
+
+info() {
+  printf '%s\n' "[svglide-ppe] $*" >&2
+}
+
+usage() {
+  cat <<USAGE
+Usage:
+  . ./scripts/dev-svglide-ppe-env.sh pre [--host <host>] [--port <port>] [--no-clear]
+  . ./scripts/dev-svglide-ppe-env.sh off
+  ./scripts/dev-svglide-ppe-env.sh rules
+
+Notes:
+  - Use "source" or "." for pre/off so proxy env vars apply to the current shell.
+  - pre writes the canonical Whistle rule "${CANONICAL_RULE_NAME}".
+  - pre also clears known legacy SVGlide/PPE rule names unless --no-clear is passed.
+  - This is dev-only PPE plumbing, not production publish behavior.
+USAGE
+}
+
+is_sourced() {
+  if [ -n "${BASH_VERSION-}" ]; then
+    [ "${BASH_SOURCE[0]}" != "$0" ]
+    return
+  fi
+  if [ -n "${ZSH_VERSION-}" ]; then
+    case "${ZSH_EVAL_CONTEXT-}" in
+      *:file:*) return 0 ;;
+      *) return 1 ;;
+    esac
+  fi
+  return 1
+}
+
+pick_whistle_cmd() {
+  if command -v w2 >/dev/null 2>&1; then
+    printf '%s\n' "w2"
+    return 0
+  fi
+  if command -v whistle >/dev/null 2>&1; then
+    printf '%s\n' "whistle"
+    return 0
+  fi
+  info "missing required command: w2 (or whistle)"
+  info "install: npm install -g whistle"
+  info "then:    w2 start && w2 ca"
+  fail "missing required command: w2 (or whistle)"
+}
+
+ensure_whistle_running() {
+  wcmd="$1"
+  whistle_status="$("$wcmd" status 2>&1 || true)"
+  case "$whistle_status" in
+    *"No running Whistle instances"*)
+      info "Whistle is not running, starting it now..."
+      "$wcmd" start >/dev/null 2>&1 || fail "failed to start Whistle"
+      ;;
+  esac
+}
+
+canonical_rules() {
+  cat <<'RULES'
+/^https:\/\/open\.feishu\.cn\/(.*)$/ https://open.feishu-pre.cn/$1
+https://open.feishu.cn/ reqHeaders://Env=Pre_release
+https://open.feishu.cn/ reqHeaders://x-tt-env=ppe_svg_slides
+https://open.feishu.cn/ reqHeaders://x-use-ppe=1
+https://open.feishu-pre.cn/ reqHeaders://Env=Pre_release
+https://open.feishu-pre.cn/ reqHeaders://x-tt-env=ppe_svg_slides
+https://open.feishu-pre.cn/ reqHeaders://x-use-ppe=1
+/^https:\/\/accounts\.feishu\.cn\/(.*)$/ https://accounts.feishu-pre.cn/$1
+RULES
+}
+
+disabled_rules() {
+  rule_name="$1"
+  cat <<RULES
+# disabled by scripts/dev-svglide-ppe-env.sh
+# canonical SVGlide PPE rule: ${CANONICAL_RULE_NAME}
+# cleared legacy rule: ${rule_name}
+RULES
+}
+
+write_rule_js() {
+  output="$1"
+  rule_name="$2"
+  rules="$3"
+
+  RULE_NAME="$rule_name" RULE_GROUP="$RULE_GROUP" RULES="$rules" node >"$output" <<'NODE'
+const rule = {
+  name: process.env.RULE_NAME,
+  groupName: process.env.RULE_GROUP,
+  rules: process.env.RULES || "",
+};
+process.stdout.write(`module.exports = function (callback) {
+  callback(${JSON.stringify(rule, null, 2)});
+};
+`);
+NODE
+}
+
+apply_rule() {
+  wcmd="$1"
+  rule_name="$2"
+  rules="$3"
+
+  tmp_js="$(mktemp "${TMPDIR:-/tmp}/svglide-ppe-rule.XXXXXX.js")" || fail "failed to create temp file"
+  write_rule_js "$tmp_js" "$rule_name" "$rules"
+  "$wcmd" add "$tmp_js" --force >/dev/null 2>&1 || {
+    rm -f "$tmp_js"
+    fail "failed to apply Whistle rule: ${rule_name}"
+  }
+  rm -f "$tmp_js"
+}
+
+clear_legacy_rules() {
+  wcmd="$1"
+  clear_legacy_rule "$wcmd" "lark-cli-openapi-env-switch"
+  clear_legacy_rule "$wcmd" "lark-cli-openapi-ppe-svglide"
+  clear_legacy_rule "$wcmd" "lark-cli-openapi-ppe-pure-svg"
+  clear_legacy_rule "$wcmd" "lark-cli-openapi-ppe-pure-svg-control"
+  clear_legacy_rule "$wcmd" "lark-cli-openapi-ppe-svg-slides-header-only"
+  clear_legacy_rule "$wcmd" "lark-cli-pre-ppe-svglide-combined"
+  clear_legacy_rule "$wcmd" "lark-cli-ppe-pure-svg"
+  clear_legacy_rule "$wcmd" "lark-cli-ppe-svglide"
+  clear_legacy_rule "$wcmd" "lark-cli-prod-host-pre-env-ppe-header"
+  clear_legacy_rule "$wcmd" "lark-cli-prod-ppe-svglide-header-only"
+}
+
+clear_legacy_rule() {
+  wcmd="$1"
+  rule_name="$2"
+  [ "$rule_name" = "$CANONICAL_RULE_NAME" ] && return 0
+  remove_rule "$wcmd" "$rule_name" || apply_rule "$wcmd" "$rule_name" "$(disabled_rules "$rule_name")"
+  info "cleared legacy Whistle rule: ${rule_name}"
+}
+
+remove_rule() {
+  _wcmd="$1"
+  rule_name="$2"
+  if ! command -v curl >/dev/null 2>&1; then
+    return 1
+  fi
+  curl -fsS \
+    -X POST \
+    -H 'Content-Type: application/json' \
+    --data "{\"name\":\"${rule_name}\"}" \
+    "http://${PROXY_HOST}:${PROXY_PORT}/cgi-bin/rules/remove" >/dev/null 2>&1
+}
+
+apply_proxy_env() {
+  proxy_url="http://${PROXY_HOST}:${PROXY_PORT}"
+  export HTTPS_PROXY="$proxy_url"
+  export https_proxy="$proxy_url"
+  export HTTP_PROXY="$proxy_url"
+  export http_proxy="$proxy_url"
+  export ALL_PROXY="$proxy_url"
+  export all_proxy="$proxy_url"
+  unset LARK_CLI_NO_PROXY
+  info "proxy env enabled: ${proxy_url}"
+}
+
+clear_proxy_env() {
+  unset HTTPS_PROXY https_proxy HTTP_PROXY http_proxy ALL_PROXY all_proxy
+  unset LARK_CLI_NO_PROXY
+  info "proxy env cleared"
+}
+
+mode="${1:-}"
+[ "$mode" = "" ] && {
+  usage
+  return 0 2>/dev/null || exit 0
+}
+shift || true
+
+clear_legacy="1"
+while [ "$#" -gt 0 ]; do
+  case "$1" in
+    --host)
+      [ "$#" -ge 2 ] || fail "--host requires a value"
+      PROXY_HOST="$2"
+      shift 2
+      ;;
+    --port)
+      [ "$#" -ge 2 ] || fail "--port requires a value"
+      PROXY_PORT="$2"
+      shift 2
+      ;;
+    --no-clear)
+      clear_legacy="0"
+      shift
+      ;;
+    -h|--help)
+      usage
+      return 0 2>/dev/null || exit 0
+      ;;
+    *)
+      fail "unknown arg: $1"
+      ;;
+  esac
+done
+
+case "$mode" in
+  rules)
+    canonical_rules
+    ;;
+  pre)
+    wcmd="$(pick_whistle_cmd)"
+    ensure_whistle_running "$wcmd"
+    if [ "$clear_legacy" = "1" ]; then
+      clear_legacy_rules "$wcmd"
+    fi
+    apply_rule "$wcmd" "$CANONICAL_RULE_NAME" "$(canonical_rules)"
+    info "applied canonical Whistle rule: ${CANONICAL_RULE_NAME}"
+    if is_sourced; then
+      apply_proxy_env
+    else
+      info "Whistle rule updated, but current shell env is unchanged."
+      info "run with source: . ./scripts/dev-svglide-ppe-env.sh pre"
+    fi
+    info "active PPE lane: ppe_svg_slides"
+    ;;
+  off|cancel)
+    wcmd="$(pick_whistle_cmd)"
+    ensure_whistle_running "$wcmd"
+    clear_legacy_rules "$wcmd"
+    apply_rule "$wcmd" "$CANONICAL_RULE_NAME" "$(disabled_rules "$CANONICAL_RULE_NAME")"
+    info "disabled canonical Whistle rule: ${CANONICAL_RULE_NAME}"
+    if is_sourced; then
+      clear_proxy_env
+    else
+      info "Whistle rules disabled, but current shell env is unchanged."
+      info "run with source: . ./scripts/dev-svglide-ppe-env.sh off"
+    fi
+    ;;
+  -h|--help|help)
+    usage
+    ;;
+  *)
+    fail "invalid mode: ${mode}; expected pre|off|rules"
+    ;;
+esac
diff --git a/skills/lark-slides/SKILL.md b/skills/lark-slides/SKILL.md
index b6e251613..a05fa1e87 100644
--- a/skills/lark-slides/SKILL.md
+++ b/skills/lark-slides/SKILL.md
@@ -16,7 +16,7 @@ metadata:
 |----------|----------|-----------------|
 | 新建 PPT | 先规划 `slide_plan.json`，再按复杂度选择一步或两步创建 | `planning-layer.md`、`visual-planning.md`、`asset-planning.md`、`slides +create` |
 | 本地生成或校验 SVG Slides / SVGlide 产物 | 先读 `references/svg-slides/README.md`，生成 local publish-ready bundle；已有 publish-ready manifest 时用 `slides +create-svglide` 发布 | `references/svg-slides/README.md`、`lark-slides-create-svglide.md`、`scripts/validate_svg_deck.mjs`、`scripts/svg_slides_bundle.mjs` |
-| 发布已有 SVGlide manifest | 只做发布：读取 manifest、校验 receipt/hash/root、本地图片上传并改写 href，然后逐页提交 raw SVG | `slides +create-svglide --manifest manifest.json --as user`、`lark-slides-create-svglide.md` |
+| 发布已有 SVGlide manifest | 只做发布：读取 manifest、校验 receipt/hash/root、本地图片上传并改写 href，然后逐页提交 raw SVG；需要 PPE 时只用 `scripts/dev-svglide-ppe-env.sh` 的 `ppe_svg_slides` 规则 | `slides +create-svglide --manifest manifest.json --as user`、`lark-slides-create-svglide.md` |
 | 已有 PPT 大幅改写 | 多页整页重建用 `+replace-pages`，单页局部编辑用 `+replace-slide` | `xml_presentations.get`、`lark-slides-replace-pages.md`、`lark-slides-edit-workflows.md` |
 | 编辑单个标题、文本块、图片或局部元素 | 优先块级替换/插入，不改页序 | `slides +replace-slide`、`lark-slides-replace-slide.md` |
 | 读取或分析已有 PPT | 解析 slides/wiki token，回读全文或单页 XML，保存 `xml_presentation_id`、`slide_id`、`revision_id` | `xml_presentations.get`、`xml_presentation.slide.get` |
diff --git a/skills/lark-slides/references/lark-slides-create-svglide.md b/skills/lark-slides/references/lark-slides-create-svglide.md
index e830e7c08..76a7a671c 100644
--- a/skills/lark-slides/references/lark-slides-create-svglide.md
+++ b/skills/lark-slides/references/lark-slides-create-svglide.md
@@ -21,7 +21,7 @@ Use it only after the SVG Slides local generation/validation layer has produced
 - SVG/SVGlide authoring.
 - Preview, visual QA, or repair loops.
 - Automatically running online readback; callers must run the readback gate after publish.
-- PPE routing or Whistle setup.
+- PPE routing or Whistle setup. For internal PPE validation, use the dev-only script below.
 - Remote image fetching, image generation, or FileMetaMap shaping.
 
 Generated SVG decks must not bypass this command by calling `slides xml_presentation.slide create` directly. Direct raw API calls can prove transport only; they do not prove that the generated deck passed the SVGlide parser contract, bundle receipts, asset rewrite, or readback gates.
@@ -32,6 +32,35 @@ Generated SVG decks must not bypass this command by calling `slides xml_presenta
 This limit is independent from `slides +create --slides`, whose inline JSON array is limited to 10 entries.
 Do not split a 12-page SVG Slides deck just because `+create --slides` has a 10-page inline payload limit.
 
+## Internal PPE Lane
+
+For internal online validation of SVG Slides, the only supported dev lane is `ppe_svg_slides`.
+Do not use older local lanes such as `ppe_svglide` or `ppe_pure_svg`.
+
+Set or clear the rule with the tracked dev-only script:
+
+```bash
+# enable the canonical rule and clear known legacy SVGlide/PPE rules
+. ./scripts/dev-svglide-ppe-env.sh pre
+
+# print the canonical Whistle rules without applying them
+./scripts/dev-svglide-ppe-env.sh rules
+
+# disable the canonical rule and clear known legacy rules
+. ./scripts/dev-svglide-ppe-env.sh off
+```
+
+The expected effective request route is:
+
+```text
+host: open.feishu-pre.cn
+Env: Pre_release
+x-tt-env: ppe_svg_slides
+x-use-ppe: 1
+```
+
+This script is not part of production publish behavior. It exists only to make local/PPE validation reproducible.
+
 ## Manifest
 
 Minimum shape: