Add Rain V0 for MeInput full-range chat analysis and delivery tooling.

Introduce rain-service orchestration, browser-safe chat skill filtering, MeInput
adapter helpers, and verify/deploy scripts so Rain mode can summarize recent input
without Memory V2 pollution.

Co-authored-by: Cursor <cursoragent@cursor.com>

chat-skills.mjs

@@ -17,9 +17,34 @@ export const PAGE_DATA_COLLECT_SKILL_NAME = 'page-data-collect';
 export const EXCEL_ANALYST_SKILL_NAME = 'excel-analyst';
 export const SCHEDULED_TASK_AUTOMATION_SKILL_NAME = 'scheduled-task-automation';
 export const AIDER_DEVELOPMENT_SKILL_NAME = 'aider-development';
+export const RAIN_SKILL_NAME = 'rain';
 export const SKILL_ROUTER_V2_ENV = 'TKMIND_SKILL_ROUTER_V2';
 const PAGE_TEMPLATE_SKILL_PREFIX = 'page-template-';
 
+export function isRainModeMessage(message) {
+  const selected =
+    message?.metadata?.memindRun?.selectedChatSkill ??
+    message?.metadata?.selectedChatSkill;
+  return String(selected ?? '').trim() === RAIN_SKILL_NAME;
+}
+
+export function isPageTemplateSkillDefinition(def) {
+  const id = String(def?.id ?? '');
+  const skillName = String(def?.skillName ?? '');
+  return id.startsWith(PAGE_TEMPLATE_SKILL_PREFIX) || skillName.startsWith(PAGE_TEMPLATE_SKILL_PREFIX);
+}
+
+function hidePageTemplateSkillsEnabled(env) {
+  const runtimeEnv =
+    env ??
+    (typeof process !== 'undefined' && process.env ? process.env : {});
+  const raw =
+    runtimeEnv.MEMIND_HIDE_PAGE_TEMPLATES ??
+    runtimeEnv.MEMIND_RAIN_REPLACE_TEMPLATES ??
+    '1';
+  return ['1', 'true', 'yes', 'on'].includes(String(raw).trim().toLowerCase());
+}
+
 function isPageTemplatePromptKey(promptKey) {
   return String(promptKey ?? '').startsWith(PAGE_TEMPLATE_SKILL_PREFIX);
 }
@@ -174,6 +199,14 @@ export function isProductCampaignIntent(text) {
 }
 
 export const CHAT_SKILL_DEFINITIONS = [
+  {
+    id: RAIN_SKILL_NAME,
+    label: 'Rain',
+    icon: 'analyze',
+    skillName: RAIN_SKILL_NAME,
+    prefillOnly: true,
+    promptKey: 'rain',
+  },
   {
     id: 'web-search',
     label: '查资料',
@@ -515,6 +548,11 @@ export function buildChatSkillPrompt(promptKey, skillName) {
         `请使用 ${skillName ?? 'image-generation'} 技能：把我的简短视觉需求自动扩展成完整 prompt 与独立 negative_prompt，实际调用 generate_image 生成并校验新位图。` +
         '不要要求我提供 purpose、构图术语、负面词或 jobId；页面主图默认 purpose=hero，生成成功后 HTML 必须使用返回的 asset.htmlSrc，workspaceRelativePath 只用于文件操作。禁止 SVG、CSS 绘图、旧图和占位图冒充。我的需求是：'
       );
+    case 'rain':
+      return (
+        '【Rain · MeInput 输入分析】请描述要分析的时间区间和你的诉求（例如「总结昨天我在做什么」）。' +
+        '未写时间则默认近3天；区间不明确时我会先追问。我的问题是：'
+      );
     case 'summarize':
       return '请总结以下内容，提炼核心结论、重点信息和可执行建议（条理清晰、中文输出）：';
     case 'analyze':
@@ -620,6 +658,9 @@ export { buildWebNewsSkillPrompt };
 
 export function filterChatSkills(options, ctx) {
   return options.filter((skill) => {
+    if (hidePageTemplateSkillsEnabled() && isPageTemplateSkillDefinition(skill)) {
+      return false;
+    }
     if (skill.requiresPublish && !ctx.canPublish) {
       const pageDataGranted =
         skill.skillName === PAGE_DATA_COLLECT_SKILL_NAME &&