feat: reorganize admin panel around accounts

backend/app/api/endpoints/admin.py

@@ -5,7 +5,7 @@ from typing import Annotated, Optional
 from uuid import UUID
 from fastapi import APIRouter, Depends, HTTPException, status, Query
 from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy import select, func
+from sqlalchemy import select, func, or_
 from sqlalchemy.orm import selectinload
 
 from app.core.database import get_db
@@ -24,7 +24,19 @@ from app.models.invite_code import InviteCode
 from app.models.account_invite import AccountInvite
 from app.models.tree import Tree
 from app.schemas.user import UserResponse, RoleUpdate, AccountRoleUpdate
-from app.schemas.admin import MoveUserAccount, AdminUserCreate, AdminUserCreateResponse, AdminPasswordReset, AdminPasswordResetResponse, HardDeleteCheckResponse
+from app.schemas.admin import (
+    MoveUserAccount,
+    AdminUserCreate,
+    AdminUserCreateResponse,
+    AdminPasswordReset,
+    AdminPasswordResetResponse,
+    HardDeleteCheckResponse,
+    AdminUserListItem,
+    AdminUserListResponse,
+    AdminAccountMember,
+    AdminAccountListItem,
+    AdminAccountListResponse,
+)
 from app.schemas.subscription import SubscriptionPlanUpdate, ExtendTrialRequest
 from app.schemas.user_detail import (
     UserDetailResponse, AccountSummary, SubscriptionSummary,
@@ -35,10 +47,13 @@ from app.api.deps import require_admin
 router = APIRouter(prefix="/admin", tags=["admin"])
 
 
-@router.get("/users", response_model=list[UserResponse])
+@router.get("/users", response_model=AdminUserListResponse)
 async def list_users(
     db: Annotated[AsyncSession, Depends(get_db)],
     current_user: Annotated[User, Depends(require_admin)],
+    page: Optional[int] = Query(None, ge=1),
+    size: Optional[int] = Query(None, ge=1, le=100),
+    search: Optional[str] = Query(None, description="Search by user or account fields"),
     skip: int = Query(0, ge=0),
     limit: int = Query(100, ge=1, le=100),
     is_active: Optional[bool] = Query(None, description="Filter by active status"),
@@ -46,23 +61,154 @@ async def list_users(
     account_id: Optional[UUID] = Query(None, description="Filter by account"),
     include_archived: bool = Query(False, description="Include archived (soft-deleted) users"),
 ):
-    """List all users (super admin only)."""
-    query = select(User)
+    """List users for super admin global people search."""
+    resolved_limit = size or limit
+    resolved_skip = skip
+    current_page = 1
+
+    if page is not None:
+        resolved_skip = (page - 1) * resolved_limit
+        current_page = page
+    elif resolved_limit > 0:
+        current_page = (resolved_skip // resolved_limit) + 1
+
+    count_query = (
+        select(func.count())
+        .select_from(User)
+        .outerjoin(Account, User.account_id == Account.id)
+    )
+    query = (
+        select(
+            User,
+            Account.name.label("account_name"),
+            Account.display_code.label("account_display_code"),
+        )
+        .outerjoin(Account, User.account_id == Account.id)
+    )
 
     if not include_archived:
         query = query.where(User.deleted_at.is_(None))
+        count_query = count_query.where(User.deleted_at.is_(None))
     if is_active is not None:
         query = query.where(User.is_active == is_active)
+        count_query = count_query.where(User.is_active == is_active)
     if role:
         query = query.where(User.role == role)
+        count_query = count_query.where(User.role == role)
     if account_id:
         query = query.where(User.account_id == account_id)
+        count_query = count_query.where(User.account_id == account_id)
+    if search:
+        search_term = f"%{search.strip()}%"
+        search_filter = or_(
+            User.name.ilike(search_term),
+            User.email.ilike(search_term),
+            Account.name.ilike(search_term),
+            Account.display_code.ilike(search_term),
+        )
+        query = query.where(search_filter)
+        count_query = count_query.where(search_filter)
 
-    query = query.order_by(User.created_at.desc()).offset(skip).limit(limit)
+    total_result = await db.execute(count_query)
+    total = total_result.scalar() or 0
 
+    query = query.order_by(User.created_at.desc()).offset(resolved_skip).limit(resolved_limit)
     result = await db.execute(query)
-    users = result.scalars().all()
-    return users
+    rows = result.all()
+
+    items = [
+        AdminUserListItem(
+            id=user.id,
+            email=user.email,
+            name=user.name,
+            role=user.role,
+            is_super_admin=user.is_super_admin,
+            is_active=user.is_active,
+            account_id=user.account_id,
+            account_role=user.account_role,
+            account_name=account_name,
+            account_display_code=account_display_code,
+            created_at=user.created_at,
+            last_login=user.last_login,
+            deleted_at=user.deleted_at,
+        )
+        for user, account_name, account_display_code in rows
+    ]
+
+    return AdminUserListResponse(
+        items=items,
+        total=total,
+        page=current_page,
+        per_page=resolved_limit,
+    )
+
+
+@router.get("/accounts", response_model=AdminAccountListResponse)
+async def list_accounts(
+    db: Annotated[AsyncSession, Depends(get_db)],
+    current_user: Annotated[User, Depends(require_admin)],
+    page: int = Query(1, ge=1),
+    size: int = Query(12, ge=1, le=100),
+    include_archived: bool = Query(False, description="Include archived users in account member lists"),
+):
+    """List accounts with embedded members for the admin panel."""
+    total_result = await db.execute(select(func.count()).select_from(Account))
+    total = total_result.scalar() or 0
+
+    accounts_result = await db.execute(
+        select(Account)
+        .order_by(Account.created_at.desc())
+        .offset((page - 1) * size)
+        .limit(size)
+    )
+    accounts = accounts_result.scalars().all()
+
+    account_ids = [account.id for account in accounts]
+    members_by_account: dict[UUID, list[AdminAccountMember]] = {account_id: [] for account_id in account_ids}
+
+    if account_ids:
+        members_query = select(User).where(User.account_id.in_(account_ids))
+        if not include_archived:
+            members_query = members_query.where(User.deleted_at.is_(None))
+        members_query = members_query.order_by(User.created_at.asc())
+
+        members_result = await db.execute(members_query)
+        for member in members_result.scalars().all():
+            members_by_account.setdefault(member.account_id, []).append(
+                AdminAccountMember(
+                    id=member.id,
+                    email=member.email,
+                    name=member.name,
+                    role=member.role,
+                    is_super_admin=member.is_super_admin,
+                    is_active=member.is_active,
+                    account_role=member.account_role,
+                    created_at=member.created_at,
+                    last_login=member.last_login,
+                    deleted_at=member.deleted_at,
+                )
+            )
+
+    items = [
+        AdminAccountListItem(
+            id=account.id,
+            name=account.name,
+            display_code=account.display_code,
+            created_at=account.created_at,
+            owner_id=account.owner_id,
+            member_count=len(members_by_account.get(account.id, [])),
+            active_member_count=sum(1 for member in members_by_account.get(account.id, []) if member.is_active),
+            members=members_by_account.get(account.id, []),
+        )
+        for account in accounts
+    ]
+
+    return AdminAccountListResponse(
+        items=items,
+        total=total,
+        page=page,
+        per_page=size,
+    )
 
 
 def _generate_display_code() -> str: