feat(web): add per-document author_only toggle in project settings

Show a single author picker when兼任 is enabled, respect the system
capability flag, and surface author_only docs in activation preview.

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

web/src/components/project/ProjectSettingsModal.tsx

@@ -29,11 +29,12 @@ import {
 } from '../../lib/projectSettingsMode';
 import {
   canToggleHumanApproval,
-  classifyClientDuty,
   clientDutyIssues,
   formatDutyIssues,
   locateDutyIssue,
   needsThreeMembersForDuties,
+  resolveClientDocTaskDuty,
+  toggleAuthorOnly,
   toggleHumanApproval,
 } from '../../lib/projectSettingsDuties';
 import { ACTIVATION_UNMANAGED_FREEZE_HINT } from '../../lib/blockedGovernanceCopy';
@@ -502,7 +503,13 @@ export const ProjectSettingsModal: React.FC<ProjectSettingsModalProps> = ({
                 <div key={st.stage_key} style={{ border: '1px solid var(--border)', borderRadius: '8px', padding: '12px' }}>
                   <div style={{ fontWeight: 600, marginBottom: '8px' }}>{st.stage_name || st.stage_key}</div>
                   {st.doc_tasks.map((dt, ti) => {
-                    const managed = classifyClientDuty(dt.duties) !== 'none' || requireApprovalKeys.includes(dt.task_key);
+                    const resolved = resolveClientDocTaskDuty(dt);
+                    const managed =
+                      resolved.mode !== 'none' ||
+                      dt.duty_policy === 'author_only' ||
+                      requireApprovalKeys.includes(dt.task_key);
+                    const authorOnly = dt.duty_policy === 'author_only';
+                    const authorOnlyAllowed = Boolean(settings?.author_only_policy?.allowed);
                     const inline = locateDutyIssue(dutyIssues, dt.task_key);
                     return (
                     <div key={dt.task_key} style={{ marginBottom: '10px', fontSize: '12px' }}>
@@ -530,7 +537,63 @@ export const ProjectSettingsModal: React.FC<ProjectSettingsModalProps> = ({
                           纳入人工审批
                         </label>
                       )}
+                      {dt.enabled && managed && (
+                        <label
+                          style={{
+                            display: 'flex',
+                            alignItems: 'center',
+                            gap: '6px',
+                            marginBottom: '6px',
+                            opacity: authorOnlyAllowed || authorOnly ? 1 : 0.7,
+                          }}
+                          title={
+                            authorOnlyAllowed
+                              ? undefined
+                              : settings?.author_only_policy?.blocked_reason ||
+                                '系统管理员尚未开启「允许编制人兼任审核、批准」'
+                          }
+                        >
+                          <input
+                            type="checkbox"
+                            checked={authorOnly}
+                            disabled={!authorOnlyAllowed && !authorOnly}
+                            onChange={(e) => updateDocTask(si, ti, toggleAuthorOnly(dt, e.target.checked))}
+                          />
+                          由编制人兼任审核、批准
+                          {!authorOnlyAllowed && (
+                            <span style={{ color: 'var(--text-muted)', fontSize: '11px' }}>
+                              （总开关未开启）
+                            </span>
+                          )}
+                        </label>
+                      )}
                       {dt.enabled && (managed || !dt.approval_configurable) && (
+                        authorOnly ? (
+                          <div style={{ display: 'grid', gridTemplateColumns: '1fr', gap: '6px' }}>
+                            <select
+                              value={dt.duties.author_user_id || ''}
+                              onChange={(e) =>
+                                updateDocTask(si, ti, {
+                                  duties: { author_user_id: Number(e.target.value) || undefined },
+                                  duty_policy: 'author_only',
+                                })
+                              }
+                              style={{ fontSize: '11px', padding: '4px' }}
+                            >
+                              <option value="">编制人（兼任审核与批准）</option>
+                              {members.map((m) => (
+                                <option key={m.userId} value={m.userId}>
+                                  {m.name}
+                                </option>
+                              ))}
+                            </select>
+                            {dt.duties.author_user_id ? (
+                              <div style={{ color: 'var(--text-muted)', fontSize: '11px' }}>
+                                审核、批准：同编制人（自动承担）
+                              </div>
+                            ) : null}
+                          </div>
+                        ) : (
                         <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr 1fr', gap: '6px' }}>
                           {(['author', 'reviewer', 'approver'] as const).map((role) => (
                             <select
@@ -555,6 +618,7 @@ export const ProjectSettingsModal: React.FC<ProjectSettingsModalProps> = ({
                             </select>
                           ))}
                         </div>
+                        )
                       )}
                       {inline?.message && (
                         <div style={{ color: 'var(--danger-700)', marginTop: '4px' }}>{inline.message}</div>
@@ -587,6 +651,16 @@ export const ProjectSettingsModal: React.FC<ProjectSettingsModalProps> = ({
                   纳入人工审批：{preview.summary.governed_doc_tasks ?? preview.summary.enabled_doc_tasks} · 不纳入：{preview.summary.unmanaged_doc_tasks ?? 0}
                 </div>
                 <div>职责指派：{preview.summary.assigned_duties} 项</div>
+                {(preview.summary.author_only_doc_tasks ?? 0) > 0 && (
+                  <div>
+                    兼任审批：{preview.summary.author_only_doc_tasks} 份
+                    {(preview.summary.author_only_documents || []).length > 0
+                      ? `（${(preview.summary.author_only_documents || [])
+                          .map((doc) => doc.title || doc.task_key)
+                          .join('、')}）`
+                      : ''}
+                  </div>
+                )}
                 {(preview.summary.unmanaged_documents || []).length > 0 && (
                   <div>
                     例外文档：{(preview.summary.unmanaged_documents || []).map((doc) => doc.title || doc.task_key).join('、')}