diff --git a/src/components/adminRdmSections.tsx b/src/components/adminRdmSections.tsx
index a0cab8d..16d0fa2 100644
--- a/src/components/adminRdmSections.tsx
+++ b/src/components/adminRdmSections.tsx
@@ -3,14 +3,14 @@
 // 门控集中在 src/rdmManagement.ts；分区可见性由 AdminZone/ProjectSettingsModal
 // 按 store 的 rdm*Available 门控（命令面不齐不渲染，普通基座零暴露）。样式只复用
 // 既有 ad-*/lg-*/settings-* 类（design-guard 棘轮：不新增裸色值/字号）。
-import { useEffect, useState } from 'react'
+import { useEffect, useState, useRef, useCallback } from 'react'
 import { api } from '../api'
 import { useStore } from '../store'
-import { Btn, EmptyState, Icon } from '@ui'
+import { Btn, EmptyState, Icon, Picker} from '@ui'
 import {
   ROLE_ACTIONS, parseReviewers,
   roleCreatePayload, roleActionPayload, roleAssignPayload, roleDisablePayload,
-  memberAddPayload, memberRemovePayload,
+  memberAddPayload, memberRemovePayload, memberSetRolePayload,
   assignDocDutiesPayload, docSubmitPayload, docApprovePayload, docRejectPayload,
   docFinalPayload, docStatusPayload, permCheckPayload, describeSource,
   rolesListPlaceholder, describeRoleListError,
@@ -144,17 +144,43 @@ export function RdmRolesPanel() {
   )
 }
 
-// ---- 项目设置：成员 ----
+// ---- 项目设置：成员（P7：可搜索人员选择器 + 专业角色/项目身份两列 + 显式身份调整）----
 
-interface MemberRow { owner: string; role: string; addedBy: string; addedAt: string }
+interface MemberRow {
+  owner: string; role: string; addedBy: string; addedAt: string
+  profRole?: { roleId: string; name: string } | null
+}
 
 export function RdmMembersSection({ projectId }: { projectId: string }) {
   const [rows, setRows] = useState<MemberRow[] | null>(null)
   const [err, setErr] = useState('')
   const [notice, setNotice] = useState('')
   const [busy, setBusy] = useState(false)
-  const [member, setMember] = useState('')
+  const [picked, setPicked] = useState<string[]>([])
   const [role, setRole] = useState<'member' | 'owner'>('member')
+  // 成员表经 ref 参与取数（已加入标记），保持 fetchPage 身份稳定（Picker 依赖）。
+  const rowsRef = useRef<MemberRow[] | null>(null)
+  rowsRef.current = rows
+
+  /** 人员选择器取数适配（P7-A）：rdm.account.list 目录（member.manage 生效者）。
+   * query 透传后端（基座升级 AccountSearcher 后全量生效）；旧基座忽略 query 时
+   * 对首页做本地包含匹配降级（翻页为浏览模式，不过滤）。 */
+  const fetchPage = useCallback(async (query: string, cursor: string, limit: number) => {
+    const out = await api.rdmCommand<{ accounts?: { owner: string; name?: string; valid: boolean }[]; next?: string }>(
+      'rdm.account.list', { projectId, cursor, limit, query })
+    const joined = new Set((rowsRef.current ?? []).map(m => m.owner))
+    let items = (out.accounts ?? []).filter(a => a.valid).map(a => ({
+      id: a.owner,
+      title: a.name || a.owner,
+      subtitle: a.owner,
+      badge: joined.has(a.owner) ? '已加入' : undefined,
+    }))
+    if (query !== '' && cursor === '') {
+      const q = query.toLowerCase()
+      items = items.filter(it => it.id.toLowerCase().includes(q) || it.title.toLowerCase().includes(q))
+    }
+    return { items, nextCursor: out.next || undefined }
+  }, [projectId])
 
   const refresh = async () => {
     try {
@@ -162,7 +188,7 @@ export function RdmMembersSection({ projectId }: { projectId: string }) {
       setRows(out.members ?? [])
     } catch (e) { setErr(String(e)) }
   }
-  useEffect(() => { refresh() }, [projectId])
+  useEffect(() => { setPicked([]); refresh() }, [projectId])
 
   const run = async (label: string, fn: () => Promise<unknown>) => {
     setErr(''); setNotice(''); setBusy(true)
@@ -170,40 +196,56 @@ export function RdmMembersSection({ projectId }: { projectId: string }) {
     catch (e) { setErr(String(e)) } finally { setBusy(false) }
   }
 
+  const pickedId = picked[0] ?? ''
+
   return (
     <div>
       <div className="ad-create">
         <div className="ad-row">
-          <input className="lg-input lg-mono" placeholder="成员账号（owner）" value={member}
-            onChange={e => setMember(e.target.value)} />
+          <Picker
+            aria-label="选择人员"
+            selected={picked}
+            onSelect={setPicked}
+            fetchPage={fetchPage}
+            placeholder="输入账号或姓名，或浏览候选…"
+          />
           <select className="lg-input" value={role} onChange={e => setRole(e.target.value as 'member' | 'owner')}>
-            <option value="member">member（成员）</option>
-            <option value="owner">owner（负责人）</option>
+            <option value="member">项目成员</option>
+            <option value="owner">项目负责人</option>
           </select>
-          <button className="lg-submit ad-create-btn" disabled={busy || !member.trim()}
-            onClick={() => run(`已添加 ${member.trim()}`, async () => {
-              await api.rdmCommand('rdm.project.member.add', memberAddPayload(projectId, member.trim(), role))
-              setMember('')
+          <button className="lg-submit ad-create-btn" disabled={busy || !pickedId}
+            onClick={() => run(`已添加 ${pickedId}`, async () => {
+              await api.rdmCommand('rdm.project.member.add', memberAddPayload(projectId, pickedId, role))
+              setPicked([])
             })}>添加成员</button>
         </div>
-        <p className="ad-hint">加入后成员即可见本项目；移除即时生效。最后一位负责人不可移除/降级。</p>
+        <p className="ad-hint">候选来自系统账号目录（姓名为空时显示账号）；「已加入」标记避免重复添加造成隐式变更——调整身份请在成员表中操作。最后一位负责人不可移除/降级。</p>
       </div>
       <table className="ad-table">
-        <thead><tr><th>账号</th><th>项目角色</th><th>添加人</th><th>添加时间</th><th></th></tr></thead>
+        <thead><tr><th>成员</th><th>专业角色</th><th>项目身份</th><th>添加人</th><th>添加时间</th><th></th></tr></thead>
         <tbody>
           {(rows ?? []).map(m => (
             <tr key={m.owner}>
-              <td className="ad-mono">{m.owner}</td>
-              <td>{m.role === 'owner' ? <span className="ad-chip ad-chip-admin">OWNER</span> : <span className="ad-chip">MEMBER</span>}</td>
+              <td><span className="ad-mono">{m.owner}</span>{m.profRole?.name ? <span className="ad-dim"> · {m.profRole.name}</span> : null}</td>
+              <td className="ad-dim">{m.profRole?.name || '—'}</td>
+              <td>{m.role === 'owner' ? <span className="ad-chip ad-chip-admin">项目负责人</span> : <span className="ad-chip">项目成员</span>}</td>
               <td className="ad-dim">{m.addedBy || '—'}</td>
               <td className="ad-dim">{m.addedAt ? new Date(m.addedAt).toLocaleString() : '—'}</td>
-              <td><button className="ad-mini" disabled={busy}
-                onClick={() => run(`已移除 ${m.owner}`,
-                  () => api.rdmCommand('rdm.project.member.remove', memberRemovePayload(projectId, m.owner)))}>移除</button></td>
+              <td>
+                <button className="ad-mini" disabled={busy}
+                  title={m.role === 'owner' ? '降为项目成员（setRole）' : '升为项目负责人（setRole）'}
+                  onClick={() => run(`已调整 ${m.owner} 的项目身份`, () =>
+                    api.rdmCommand('rdm.project.member.setRole', memberSetRolePayload(projectId, m.owner, m.role === 'owner' ? 'member' : 'owner')))}>
+                  {m.role === 'owner' ? '降为成员' : '升为负责人'}
+                </button>{' '}
+                <button className="ad-mini" disabled={busy}
+                  onClick={() => run(`已移除 ${m.owner}`,
+                    () => api.rdmCommand('rdm.project.member.remove', memberRemovePayload(projectId, m.owner)))}>移除</button>
+              </td>
             </tr>
           ))}
-          {rows !== null && rows.length === 0 && <tr><td colSpan={5} className="ad-dim">暂无成员</td></tr>}
-          {rows === null && <tr><td colSpan={5} className="ad-dim">加载中…</td></tr>}
+          {rows !== null && rows.length === 0 && <tr><td colSpan={6} className="ad-dim">暂无成员</td></tr>}
+          {rows === null && <tr><td colSpan={6} className="ad-dim">加载中…</td></tr>}
         </tbody>
       </table>
       {notice && <div className="ad-notice"><Icon name="check" size={14} />{notice}</div>}
diff --git a/src/rdmManagement.ts b/src/rdmManagement.ts
index 220b3c0..18fa78e 100644
--- a/src/rdmManagement.ts
+++ b/src/rdmManagement.ts
@@ -76,6 +76,7 @@ export const roleDisablePayload = (roleId: string, disabled: boolean) => ({ role
 export const memberAddPayload = (projectId: string, member: string, role: 'owner' | 'member' = 'member') =>
   ({ projectId, member, role })
 export const memberRemovePayload = (projectId: string, member: string) => ({ projectId, member })
+export const memberSetRolePayload = (projectId: string, member: string, role: 'owner' | 'member') => ({ projectId, member, role })
 
 export const assignDocDutiesPayload = (
   projectId: string, docId: string, author: string, reviewers: string[], approver: string,