diff --git a/.github/workflows/readiness.yml b/.github/workflows/readiness.yml
index 9cf96fe..b0ca247 100644
--- a/.github/workflows/readiness.yml
+++ b/.github/workflows/readiness.yml
@@ -13,10 +13,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        # Pinned from actions/checkout@v4 to avoid tag-move supply-chain risk.
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        # Pinned from actions/setup-node@v4 to avoid tag-move supply-chain risk.
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
         with:
           node-version: 20
 
diff --git a/.gitignore b/.gitignore
index 4669fd9..ab2d499 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@ project.private.config.json
 # Local agent/tooling state
 .agents/
 .claude/
+.gstack/
 .understand-anything/
 skills-lock.json
 
diff --git a/cloudfunctions/getMyRole/index.js b/cloudfunctions/getMyRole/index.js
index e2541fe..9ad090e 100644
--- a/cloudfunctions/getMyRole/index.js
+++ b/cloudfunctions/getMyRole/index.js
@@ -1,3 +1,4 @@
+const crypto = require('crypto');
 const cloud = require('wx-server-sdk');
 
 cloud.init({
@@ -11,6 +12,10 @@ function isMissingCollectionError(error) {
     && (error.errCode === -502005 || String(error.errMsg || error.message || '').includes('ResourceNotFound'));
 }
 
+function logHash(value) {
+  return value ? crypto.createHash('sha1').update(String(value)).digest('hex').slice(0, 12) : '';
+}
+
 exports.main = async () => {
   const wxContext = cloud.getWXContext();
   const { OPENID, APPID, ENV } = wxContext;
@@ -55,11 +60,11 @@ exports.main = async () => {
   console.info('[getMyRole] checked role', {
     appid: APPID,
     env: ENV,
-    openid: OPENID,
+    openidHash: logHash(OPENID),
     ok: Boolean(admin),
     reason,
     matchCount: records.length,
-    matchedIds: records.map((item) => item._id || ''),
+    matchedIdHashes: records.map((item) => logHash(item._id || '')),
     roles: records.map((item) => item.role || ''),
     enabledValues: records.map((item) => item.enabled)
   });
diff --git a/harness/claude-progress.md b/harness/claude-progress.md
index 9c67102..54b60ed 100644
--- a/harness/claude-progress.md
+++ b/harness/claude-progress.md
@@ -7,7 +7,7 @@
 - 标准初始化入口：`bash harness/init.sh`
 - 标准基础验证：`npm run check:json`，`node harness/check-harness.mjs`
 - 当前最高优先级未完成功能：`map-feed-001`
-- 当前正在实现的用户请求：服务优化，在不影响功能的前提下简化所有操作和非必要展示；每次修改后 3 个子 agent 审阅，两票通过才算通过
+- 当前正在实现的用户请求：全量性能优化和安全性检查，优先修复高置信、低风险问题并记录验证证据
 - 当前 blocker：静态门禁已通过；WeChat DevTools service port 9420 仍不可连接，因此真实 DevTools/真机视觉和点击验收尚未执行
 
 ## 会话记录
@@ -1334,3 +1334,19 @@
 - 已记录证据：发布流专项输出 `Publish flow checks passed.`；`npm run check` 输出 `Checked 11 JSON files.`、`Harness OK: 6 features checked.`、`Service simplification checks passed.` 和最终 `DevTools readiness checks passed. Static gates passed; DevTools and real-device visual acceptance are still required.`；`bash harness/init.sh` 输出 `Harness init complete.`；两条 diff whitespace 检查均无输出
 - 已知风险或未解决问题：没有执行真实 WeChat DevTools/真机视觉验收；readiness 仍报告 9420 service port blocked / connection refused。`git pull --autostash` 因冲突保留了 `stash@{0}` 作为备份，当前改动已应用到工作区并解决冲突，未删除该备份
 - 下一步最佳动作：在 DevTools 手动打开发布页，确认截图中的表单层级已经变为单层面板、底部“还差标题/补标题”状态颜色对比正常，并实际点选 `长期/自定义` 有效期回归发布流程
+
+### Session 097PerformanceSecurityAudit
+
+- 日期：2026-07-02
+- 分支：`main`
+- 工作区：`/Users/bytedance/.codex/worktrees/da89/x`；AGENTS.md 历史根路径仍写 `/Users/bytedance/git/x`，本轮按当前 Codex worktree 执行
+- 本轮目标：按用户 `/goal` 做一次全量性能优化和安全性检查
+- 已完成安全检查：梳理 WeChat 小程序、`utils/store.js`、`cloudfunctions/posts`、`cloudfunctions/getMyRole` 的信任边界；扫描 secret/历史高危前缀、CloudBase action 鉴权、管理员路径、评论/反馈/图片/病毒传播埋点白名单、CI workflow、Docker/IaC、repo-local `.agents/skills`；根项目和两个云函数目录 `npm audit --omit=dev --json` 均为 0 vulnerabilities
+- 已完成安全修复：`cloudfunctions/getMyRole/index.js` 不再把 raw `OPENID` 和 raw admin document id 写入 CloudBase 日志，改为短 SHA-1 哈希；`.github/workflows/readiness.yml` 将 `actions/checkout@v4` 和 `actions/setup-node@v4` pin 到当前 tag 对应的 commit SHA，降低 tag move 供应链风险；`.gitignore` 新增 `.gstack/`，确保本地安全报告不会被提交
+- 已完成性能优化：`pages/me/me-state.js`、`pages/my-posts/my-posts.js`、`pages/activities/activities.js` 将重复 `filter` 统计改为单次遍历/`reduce`，减少个人页、我的发布和参与记录页对最多 100 条帖子与活动记录的重复扫描；`package.json` 增加 `"type": "module"`，消除 Node 检查脚本动态导入 ES module 时的重解析警告
+- 已生成本地报告：`.gstack/security-reports/2026-07-02T13-12-28Z-security.json`，该目录已被 `.gitignore` 忽略；报告结论为无仍开放的 high/critical 高置信发现，本轮有日志隐私和 CI action pinning 两项安全硬化已修复
+- 运行过的验证：`bash harness/init.sh`；`npm run check`；`node --check cloudfunctions/getMyRole/index.js`；`node --check pages/me/me-state.js`；`node --check pages/my-posts/my-posts.js`；`node --check pages/activities/activities.js`；`node scripts/check-me-state.mjs`；`node scripts/check-performance-guards.mjs`；根目录 `npm install --package-lock-only --ignore-scripts`/audit；`cloudfunctions/posts` 和 `cloudfunctions/getMyRole` 下 `npm audit --omit=dev --json`；`node scripts/check-json.mjs`；`git diff --check`；临时 getMyRole 日志隐私断言；`git ls-remote` 校验两个 GitHub Actions v4 tag 当前 SHA
+- 已记录证据：`npm run check` 输出 `Checked 11 JSON files.`、`Harness OK: 6 features checked.`、`Performance guard checks passed.`、`Admin auth error checks passed.`、`DevTools readiness checks passed. Static gates passed; DevTools and real-device visual acceptance are still required.`；`bash harness/init.sh` 输出 `Harness init complete.`；两个云函数目录 audit 均报告 critical/high/total 为 0；日志隐私断言输出 `getMyRole log privacy check passed.`
+- 更新过的文件或工件：`.github/workflows/readiness.yml`，`.gitignore`，`package.json`，`package-lock.json`，`cloudfunctions/getMyRole/index.js`，`pages/me/me-state.js`，`pages/my-posts/my-posts.js`，`pages/activities/activities.js`，`harness/claude-progress.md`，忽略的本地 `.gstack/security-reports/2026-07-02T13-12-28Z-security.json`
+- 已知风险或未解决问题：没有执行真实 WeChat DevTools/真机 UI 和性能体感验收；readiness 仍报告 9420 service port blocked / connection refused。未读取全局 AI skills/hooks，因为这会超出仓库范围；也未做 CloudBase 线上数据库权限 readback
+- 下一步最佳动作：恢复 WeChat DevTools service port 后，做发布/地图/详情/管理/个人页真实 smoke；如果要进一步提升安全置信度，再做 CloudBase 线上集合权限 readback 和全局 agent skill/hook 扫描
diff --git a/package-lock.json b/package-lock.json
index 6578389..45f4c3b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,6 @@
 {
   "name": "street-tasks",
+  "version": "0.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 32ca939..0f65025 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "street-tasks",
   "version": "0.1.0",
   "private": true,
+  "type": "module",
   "description": "WeChat mini program for short-lived neighborhood tasks.",
   "scripts": {
     "check": "npm run check:json && npm run check:harness && npm run check:readiness",
diff --git a/pages/activities/activities.js b/pages/activities/activities.js
index b59cc44..b5cb1cb 100644
--- a/pages/activities/activities.js
+++ b/pages/activities/activities.js
@@ -19,12 +19,20 @@ Page({
     const posts = (await listPosts()).map(decoratePost);
     const reactions = listMyReactions();
     const activities = buildActivities(posts, reactions);
+    const counts = activities.reduce((nextCounts, item) => {
+      if (item.action === 'confirm') {
+        nextCounts.confirm += 1;
+      } else if (item.action === 'report') {
+        nextCounts.report += 1;
+      }
+      return nextCounts;
+    }, { confirm: 0, report: 0 });
     this.setData({
       activities,
       stats: [
         { label: '全部', value: activities.length },
-        { label: '确认', value: activities.filter((item) => item.action === 'confirm').length },
-        { label: '举报', value: activities.filter((item) => item.action === 'report').length }
+        { label: '确认', value: counts.confirm },
+        { label: '举报', value: counts.report }
       ]
     });
   },
diff --git a/pages/me/me-state.js b/pages/me/me-state.js
index 699af5e..3449ad5 100644
--- a/pages/me/me-state.js
+++ b/pages/me/me-state.js
@@ -7,10 +7,6 @@ const DEFAULT_STATS = [
   { label: '参与', value: 0 }
 ];
 
-function countActions(activities, action) {
-  return activities.filter((item) => item.action === action).length;
-}
-
 function buildNextAction({ user, myPosts, openMyPosts, activities, profileNeedsSetup }) {
   if (user.isGuest) {
     return {
@@ -60,33 +56,54 @@ function buildNextAction({ user, myPosts, openMyPosts, activities, profileNeedsS
   };
 }
 
-function buildLinkSummaries(myPosts, openMyPosts, activities) {
-  const resolvedCount = myPosts.filter((post) => post.status === 'resolved').length;
-  const confirmCount = countActions(activities, 'confirm');
-  const reportCount = countActions(activities, 'report');
+function buildLinkSummaries(myPosts, openMyPosts, activities, counts) {
   return {
     myPostsText: myPosts.length
-      ? `${openMyPosts.length} 条处理中，${resolvedCount} 条已关闭`
+      ? `${openMyPosts.length} 条处理中，${counts.resolved} 条已关闭`
       : '还没有发布过任务',
     activitiesText: activities.length
-      ? `确认 ${confirmCount} 次，举报 ${reportCount} 次`
+      ? `确认 ${counts.confirm} 次，举报 ${counts.report} 次`
       : '还没有参与记录'
   };
 }
 
 export function buildMeState({ user, posts = [], reactions = [], profileNeedsSetup = false }) {
-  const myPosts = posts.filter((post) => post.isMine || post.publisherId === user.id);
+  const myPosts = [];
+  const openMyPosts = [];
+  let resolvedCount = 0;
+  posts.forEach((post) => {
+    if (!post.isMine && post.publisherId !== user.id) {
+      return;
+    }
+    myPosts.push(post);
+    if (isOpenPost(post)) {
+      openMyPosts.push(post);
+    }
+    if (post.status === 'resolved') {
+      resolvedCount += 1;
+    }
+  });
   const activities = buildActivities(posts, reactions);
-  const openMyPosts = myPosts.filter(isOpenPost);
+  const actionCounts = activities.reduce((counts, item) => {
+    if (item.action === 'confirm') {
+      counts.confirm += 1;
+    } else if (item.action === 'report') {
+      counts.report += 1;
+    }
+    return counts;
+  }, { confirm: 0, report: 0 });
   const stats = myPosts.length || activities.length
     ? [
       { label: '我发布', value: myPosts.length },
       { label: '处理中', value: openMyPosts.length },
-      { label: '已关闭', value: myPosts.filter((post) => post.status === 'resolved').length },
+      { label: '已关闭', value: resolvedCount },
       { label: '参与', value: reactions.length }
     ]
     : DEFAULT_STATS;
-  const linkSummaries = buildLinkSummaries(myPosts, openMyPosts, activities);
+  const linkSummaries = buildLinkSummaries(myPosts, openMyPosts, activities, {
+    resolved: resolvedCount,
+    ...actionCounts
+  });
   return {
     stats,
     myPostCount: myPosts.length,
diff --git a/pages/my-posts/my-posts.js b/pages/my-posts/my-posts.js
index 099dd92..516589d 100644
--- a/pages/my-posts/my-posts.js
+++ b/pages/my-posts/my-posts.js
@@ -18,15 +18,28 @@ Page({
 
   async refresh() {
     const user = getCurrentUser();
-    const posts = (await listPosts())
-      .map(decoratePost)
-      .filter((post) => post.isMine || post.publisherId === user.id);
+    const posts = [];
+    let openCount = 0;
+    let resolvedCount = 0;
+    (await listPosts()).forEach((rawPost) => {
+      if (!rawPost.isMine && rawPost.publisherId !== user.id) {
+        return;
+      }
+      const post = decoratePost(rawPost);
+      posts.push(post);
+      if (isOpenPost(post)) {
+        openCount += 1;
+      }
+      if (post.status === 'resolved') {
+        resolvedCount += 1;
+      }
+    });
     this.setData({
       posts,
       stats: [
         { label: '全部', value: posts.length },
-        { label: '处理中', value: posts.filter(isOpenPost).length },
-        { label: '已关闭', value: posts.filter((post) => post.status === 'resolved').length }
+        { label: '处理中', value: openCount },
+        { label: '已关闭', value: resolvedCount }
       ]
     });
   },