fix(web): remove identity simulation and stop sending X-User-ID

Product UI no longer switches sessions locally; API clients attach Bearer
tokens only and LocalAuthClient stays test-only outside the prod bundle.

web/src/components/user/SettingsModal.tsx

@@ -6,7 +6,6 @@ import {
   Plus,
   Trash2,
   Check,
-  UserCheck,
   Users,
   Key,
   Info,
@@ -23,7 +22,6 @@ export interface SettingsModalProps {
   users: UserProfile[];
   currentUser: UserProfile;
   onUpdateUserRole: (userId: number, roleId: string) => void;
-  onSwitchUser: (user: UserProfile) => void;
 }
 
 const ALL_PERMISSION_ITEMS: {
@@ -84,7 +82,6 @@ export const SettingsModal: FC<SettingsModalProps> = ({
   users,
   currentUser,
   onUpdateUserRole,
-  onSwitchUser,
 }) => {
   const [activeTab, setActiveTab] = useState<'roles' | 'users'>('roles');
   const [selectedRoleId, setSelectedRoleId] = useState<string>(roles[0]?.id || 'role-admin');
@@ -779,35 +776,11 @@ export const SettingsModal: FC<SettingsModalProps> = ({
                           </select>
                         </div>
 
-                        {/* 切换登录人按钮 */}
-                        {!isCurrent ? (
-                          <button
-                            onClick={() => {
-                              onSwitchUser(u);
-                              showSavedNotification();
-                            }}
-                            style={{
-                              padding: '6px 14px',
-                              borderRadius: '6px',
-                              border: '1px solid var(--brand-500)',
-                              backgroundColor: 'var(--brand-500)',
-                              color: '#fff',
-                              fontSize: '12px',
-                              fontWeight: 600,
-                              cursor: 'pointer',
-                              display: 'flex',
-                              alignItems: 'center',
-                              gap: '4px',
-                            }}
-                          >
-                            <UserCheck size={13} />
-                            <span>切换为此人登录</span>
-                          </button>
-                        ) : (
+                        {isCurrent ? (
                           <span style={{ fontSize: '12px', color: 'var(--brand-500)', fontWeight: 600, width: '120px', textAlign: 'center' }}>
-                            ✓ 正在以此身份交互
+                            ✓ 当前登录身份
                           </span>
-                        )}
+                        ) : null}
                       </div>
                     </div>
                   );

web/src/components/user/UserProjectRightsModal.tsx

@@ -17,10 +17,7 @@ interface UserProjectRightsModalProps {
   currentProjectTitle: string;
   deliverables: DeliverableItem[];
   activeDocId: string;
-  allUsers?: UserProfile[];
   canAssignLead?: boolean;
-  onSwitchUser?: (user: UserProfile) => void;
-  allowDevSwitch?: boolean;
   onSelectDoc: (docId: string) => void;
   onRoleChangeForDoc?: (docId: string, role: DocPermissionRole) => void;
 }
@@ -32,10 +29,7 @@ export const UserProjectRightsModal: FC<UserProjectRightsModalProps> = ({
   currentProjectTitle,
   deliverables,
   activeDocId,
-  allUsers,
   canAssignLead = true,
-  onSwitchUser,
-  allowDevSwitch = true,
   onSelectDoc,
   onRoleChangeForDoc,
 }) => {
@@ -567,33 +561,7 @@ export const UserProjectRightsModal: FC<UserProjectRightsModalProps> = ({
             justifyContent: 'space-between',
           }}
         >
-          {allowDevSwitch && allUsers && allUsers.length > 0 ? (
-            <div style={{ display: 'flex', alignItems: 'center', gap: '6px' }}>
-              <span style={{ fontSize: '11px', color: 'var(--amber-400)', fontWeight: 600 }}>[DEV 调试切人]:</span>
-              {allUsers.map((u) => {
-                const isCurrent = u.id === currentUser.id;
-                return (
-                  <button
-                    key={u.id}
-                    onClick={() => onSwitchUser?.(u)}
-                    style={{
-                      padding: '4px 10px',
-                      borderRadius: '4px',
-                      border: isCurrent ? '1px solid var(--brand-500)' : '1px solid var(--border)',
-                      backgroundColor: isCurrent ? 'var(--brand-500)' : 'var(--bg-panel, #131820)',
-                      color: isCurrent ? '#fff' : 'var(--text)',
-                      fontSize: '11px',
-                      fontWeight: isCurrent ? 600 : 400,
-                      cursor: 'pointer',
-                      transition: 'all 0.15s ease',
-                    }}
-                  >
-                    {u.name} ({u.position.slice(0, 4)})
-                  </button>
-                );
-              })}
-            </div>
-          ) : <div />}
+          <div />
 
           <button
             onClick={onClose}