feat: 组合包配置以包内 config/ 为唯一来源，并新增受保护写入人工审批

配置统一：权限策略、硬防御、Tool Search、提示词封面以及新迁入的
RTK、pi-compaction、pi-worktree、pi-hermes-memory 配置全部由扩展
直接读取已安装组合包内的 config/，pi install / pi update 即完成部署；
删除 rebuild-bundle-config.mjs 与 bundle-manifest.json，my-pi/ 只保留
日志与缓存。update.sh 成功升级后将默认 git 来源的已安装副本
reset 回发布版本。AGENTS.md 新增「组合包配置原则」。

脚本整合：search_config.sh / ssh_config.sh 合并为 configure.sh
search|ssh；install.sh / update.sh 共享函数抽到 scripts/lib.sh，远程
安装器改为先下载到临时文件再执行，下载失败可被检测。

权限：hard-guards 新增 protectedWrites，写入 Pi 凭据/设置、已安装
组合包与扩展目录、pi-ssh 凭据库时一律人工确认（跳过 AutoReview、
yolo 与 Session grant，无 UI 时拒绝）；放行 ls、LSP 查询、ctx 只读、
web_search、Chrome 只读与 git 只读命令，skill_manage 改为 ask。

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

pi-permission-system/test/config-reporter.test.ts

@@ -15,7 +15,7 @@ import { PermissionManager } from "#src/permission-manager";
 
 test("buildResolvedConfigLogEntry reports global and agent policy paths", () => {
   const policyPaths: ResolvedPolicyPaths = {
-    globalConfigPath: "/home/user/.pi/agent/my-pi/permission-system/policy.jsonc",
+    globalConfigPath: "/bundle/config/pi-permission-policy.jsonc",
     globalConfigExists: true,
     agentsDir: "/home/user/.pi/agent/agents",
     agentsDirExists: true,
@@ -25,11 +25,7 @@ test("buildResolvedConfigLogEntry reports global and agent policy paths", () =>
 
   const result = buildResolvedConfigLogEntry({ policyPaths });
 
-  expect(result).toEqual({
-    ...policyPaths,
-    legacyGlobalPolicyDetected: false,
-    legacyExtensionConfigDetected: false,
-  });
+  expect(result).toEqual(policyPaths);
 });
 
 test("config.resolved entry appears in review log via logger", () => {
@@ -78,8 +74,6 @@ test("config.resolved entry appears in review log via logger", () => {
     expect(parsed.agentsDirExists).toBe(false);
     expect(parsed.projectAgentsDir).toBe(null);
     expect(parsed.projectAgentsDirExists).toBe(false);
-    expect(parsed.legacyGlobalPolicyDetected).toBe(false);
-    expect(parsed.legacyExtensionConfigDetected).toBe(false);
   } finally {
     rmSync(tempDir, { recursive: true, force: true });
   }