feat: MVP V1 鍏ㄦ爤鎼缓瀹屾垚 - FastAPI鍚庣 + Vue3鍓嶇 + 绉嶅瓙鏁版嵁

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-02-12 14:24:05 +08:00 · 2026-02-12 14:24:05 +08:00 · e76e856dba
commit e76e856dba
parent a9aaee6a57
56 changed files with 5601 additions and 0 deletions
--- a/backend/pycache/auth.cpython-310.pyc
+++ b/backend/pycache/auth.cpython-310.pyc
--- a/backend/pycache/calculations.cpython-310.pyc
+++ b/backend/pycache/calculations.cpython-310.pyc
--- a/backend/pycache/config.cpython-310.pyc
+++ b/backend/pycache/config.cpython-310.pyc
--- a/backend/pycache/database.cpython-310.pyc
+++ b/backend/pycache/database.cpython-310.pyc
--- a/backend/pycache/main.cpython-310.pyc
+++ b/backend/pycache/main.cpython-310.pyc
--- a/backend/pycache/models.cpython-310.pyc
+++ b/backend/pycache/models.cpython-310.pyc
--- a/backend/pycache/schemas.cpython-310.pyc
+++ b/backend/pycache/schemas.cpython-310.pyc
--- a/backend/airlabs.db
+++ b/backend/airlabs.db
--- a/backend/auth.py
+++ b/backend/auth.py
@ -0,0 +1,62 @@
+"""JWT 认证 + 权限控制"""
+from datetime import datetime, timedelta
+from typing import Optional
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from sqlalchemy.orm import Session
+from database import get_db
+from models import User, UserRole
+from config import SECRET_KEY, ALGORITHM, ACCESS_TOKEN_EXPIRE_MINUTES
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
+
+
+def hash_password(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def verify_password(plain: str, hashed: str) -> bool:
+    return pwd_context.verify(plain, hashed)
+
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
+    to_encode = data.copy()
+    expire = datetime.utcnow() + (expires_delta or timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES))
+    to_encode.update({"exp": expire})
+    return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+
+
+def get_current_user(token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)) -> User:
+    """从 JWT token 解析当前用户"""
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="登录已过期，请重新登录",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        user_id: int = payload.get("sub")
+        if user_id is None:
+            raise credentials_exception
+    except JWTError:
+        raise credentials_exception
+
+    user = db.query(User).filter(User.id == user_id).first()
+    if user is None or not user.is_active:
+        raise credentials_exception
+    return user
+
+
+def require_role(*roles: UserRole):
+    """权限装饰器：要求当前用户具有指定角色之一"""
+    def role_checker(current_user: User = Depends(get_current_user)):
+        if current_user.role not in [r.value for r in roles] and current_user.role not in roles:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="权限不足"
+            )
+        return current_user
+    return role_checker
--- a/backend/calculations.py
+++ b/backend/calculations.py
@ -0,0 +1,271 @@
+"""
+计算引擎 —— 所有成本分摊、损耗、效率计算逻辑集中在此模块
+修改计算规则只需改此文件。
+"""
+from sqlalchemy.orm import Session
+from sqlalchemy import func as sa_func, and_
+from collections import defaultdict
+from datetime import date, timedelta
+from models import (
+    User, Project, Submission, AIToolCost, AIToolCostAllocation,
+    OutsourceCost, CostOverride, WorkType, CostAllocationType
+)
+from config import WORKING_DAYS_PER_MONTH
+
+
+# ──────────────────────────── 人力成本分摊 ────────────────────────────
+
+def calc_labor_cost_for_project(project_id: int, db: Session) -> float:
+    """
+    计算某项目的累计人力成本
+    规则：
+    - 有秒数的提交 → 按各项目产出秒数比例分摊日成本
+    - 无秒数的提交 → 按各项目提交条数比例分摊日成本
+    - 管理员手动调整优先
+    """
+    # 找出所有给此项目提交过的人
+    submitters = db.query(Submission.user_id).filter(
+        Submission.project_id == project_id
+    ).distinct().all()
+    submitter_ids = [s[0] for s in submitters]
+
+    total_labor = 0.0
+
+    for uid in submitter_ids:
+        user = db.query(User).filter(User.id == uid).first()
+        if not user:
+            continue
+        daily_cost = user.daily_cost
+
+        # 找这个人在此项目的所有提交日期
+        dates = db.query(Submission.submit_date).filter(
+            Submission.user_id == uid,
+            Submission.project_id == project_id,
+        ).distinct().all()
+
+        for (d,) in dates:
+            # 检查是否有手动调整
+            override = db.query(CostOverride).filter(
+                CostOverride.user_id == uid,
+                CostOverride.date == d,
+                CostOverride.project_id == project_id,
+            ).first()
+            if override:
+                total_labor += override.override_amount
+                continue
+
+            # 这个人这天所有项目的提交
+            day_subs = db.query(Submission).filter(
+                Submission.user_id == uid,
+                Submission.submit_date == d,
+            ).all()
+
+            # 计算这天各项目的秒数和条数
+            project_seconds = defaultdict(float)
+            project_counts = defaultdict(int)
+            total_day_seconds = 0.0
+            total_day_count = 0
+
+            for s in day_subs:
+                project_seconds[s.project_id] += s.total_seconds
+                project_counts[s.project_id] += 1
+                total_day_seconds += s.total_seconds
+                total_day_count += 1
+
+            # 分摊
+            if total_day_seconds > 0:
+                # 有秒数 → 按秒数比例
+                ratio = project_seconds.get(project_id, 0) / total_day_seconds
+            elif total_day_count > 0:
+                # 无秒数 → 按条数比例
+                ratio = project_counts.get(project_id, 0) / total_day_count
+            else:
+                ratio = 0
+
+            total_labor += daily_cost * ratio
+
+    return round(total_labor, 2)
+
+
+# ──────────────────────────── AI 工具成本 ────────────────────────────
+
+def calc_ai_tool_cost_for_project(project_id: int, db: Session) -> float:
+    """计算某项目的 AI 工具成本"""
+    total = 0.0
+
+    # 1. 直接指定项目的
+    direct = db.query(sa_func.sum(AIToolCost.amount)).filter(
+        AIToolCost.allocation_type == CostAllocationType.PROJECT,
+        AIToolCost.project_id == project_id,
+    ).scalar() or 0
+    total += direct
+
+    # 2. 手动分摊的
+    manual = db.query(AIToolCostAllocation).filter(
+        AIToolCostAllocation.project_id == project_id,
+    ).all()
+    for alloc in manual:
+        cost = db.query(AIToolCost).filter(AIToolCost.id == alloc.ai_tool_cost_id).first()
+        if cost:
+            total += cost.amount * alloc.percentage / 100
+
+    # 3. 内容组整体（按产出秒数比例分摊）
+    team_costs = db.query(AIToolCost).filter(
+        AIToolCost.allocation_type == CostAllocationType.TEAM,
+    ).all()
+    if team_costs:
+        # 所有项目的总秒数
+        all_secs = db.query(sa_func.sum(Submission.total_seconds)).filter(
+            Submission.total_seconds > 0
+        ).scalar() or 0
+        # 此项目的秒数
+        proj_secs = db.query(sa_func.sum(Submission.total_seconds)).filter(
+            Submission.project_id == project_id,
+            Submission.total_seconds > 0,
+        ).scalar() or 0
+
+        if all_secs > 0:
+            ratio = proj_secs / all_secs
+            for c in team_costs:
+                total += c.amount * ratio
+
+    return round(total, 2)
+
+
+# ──────────────────────────── 外包成本 ────────────────────────────
+
+def calc_outsource_cost_for_project(project_id: int, db: Session) -> float:
+    """计算某项目的外包成本"""
+    total = db.query(sa_func.sum(OutsourceCost.amount)).filter(
+        OutsourceCost.project_id == project_id,
+    ).scalar() or 0
+    return round(total, 2)
+
+
+# ──────────────────────────── 损耗计算 ────────────────────────────
+
+def calc_waste_for_project(project_id: int, db: Session) -> dict:
+    """
+    计算项目损耗
+    返回: {test_waste, overproduction_waste, total_waste, waste_rate, target_seconds}
+    """
+    project = db.query(Project).filter(Project.id == project_id).first()
+    if not project:
+        return {}
+
+    target = project.target_total_seconds
+
+    # 测试损耗：工作类型为"测试"的全部秒数
+    test_waste = db.query(sa_func.sum(Submission.total_seconds)).filter(
+        Submission.project_id == project_id,
+        Submission.work_type == WorkType.TEST,
+    ).scalar() or 0
+
+    # 全部有秒数的提交总量
+    total_submitted = db.query(sa_func.sum(Submission.total_seconds)).filter(
+        Submission.project_id == project_id,
+        Submission.total_seconds > 0,
+    ).scalar() or 0
+
+    # 超产损耗
+    overproduction_waste = max(0, total_submitted - target)
+
+    total_waste = test_waste + overproduction_waste
+    waste_rate = round(total_waste / target * 100, 1) if target > 0 else 0
+
+    return {
+        "target_seconds": target,
+        "total_submitted_seconds": round(total_submitted, 1),
+        "test_waste_seconds": round(test_waste, 1),
+        "overproduction_waste_seconds": round(overproduction_waste, 1),
+        "total_waste_seconds": round(total_waste, 1),
+        "waste_rate": waste_rate,
+    }
+
+
+# ──────────────────────────── 团队效率 ────────────────────────────
+
+def calc_team_efficiency(project_id: int, db: Session) -> list:
+    """
+    人均基准对比法：
+    - 人均基准 = 目标秒数 ÷ 参与制作人数
+    - 每人超出比例 = (个人提交 - 人均基准) / 人均基准
+    """
+    project = db.query(Project).filter(Project.id == project_id).first()
+    if not project:
+        return []
+
+    target = project.target_total_seconds
+
+    # 获取每个人的提交总秒数（仅有秒数的提交）
+    per_user = db.query(
+        Submission.user_id,
+        sa_func.sum(Submission.total_seconds).label("total_secs"),
+        sa_func.count(Submission.id).label("count"),
+    ).filter(
+        Submission.project_id == project_id,
+        Submission.total_seconds > 0,
+    ).group_by(Submission.user_id).all()
+
+    if not per_user:
+        return []
+
+    num_people = len(per_user)
+    baseline = target / num_people if num_people > 0 else 0
+
+    result = []
+    for user_id, total_secs, count in per_user:
+        user = db.query(User).filter(User.id == user_id).first()
+        excess = total_secs - baseline
+        excess_rate = round(excess / baseline * 100, 1) if baseline > 0 else 0
+        result.append({
+            "user_id": user_id,
+            "user_name": user.name if user else "未知",
+            "total_seconds": round(total_secs, 1),
+            "submission_count": count,
+            "baseline": round(baseline, 1),
+            "excess_seconds": round(excess, 1),
+            "excess_rate": excess_rate,
+        })
+
+    result.sort(key=lambda x: x["total_seconds"], reverse=True)
+    return result
+
+
+# ──────────────────────────── 项目完整结算 ────────────────────────────
+
+def calc_project_settlement(project_id: int, db: Session) -> dict:
+    """生成项目结算报告"""
+    project = db.query(Project).filter(Project.id == project_id).first()
+    if not project:
+        return {}
+
+    labor = calc_labor_cost_for_project(project_id, db)
+    ai_tool = calc_ai_tool_cost_for_project(project_id, db)
+    outsource = calc_outsource_cost_for_project(project_id, db)
+    total_cost = labor + ai_tool + outsource
+    waste = calc_waste_for_project(project_id, db)
+    efficiency = calc_team_efficiency(project_id, db)
+
+    result = {
+        "project_id": project.id,
+        "project_name": project.name,
+        "project_type": project.project_type.value if hasattr(project.project_type, 'value') else project.project_type,
+        "labor_cost": labor,
+        "ai_tool_cost": ai_tool,
+        "outsource_cost": outsource,
+        "total_cost": round(total_cost, 2),
+        **waste,
+        "team_efficiency": efficiency,
+    }
+
+    # 客户正式项目计算盈亏
+    pt = project.project_type.value if hasattr(project.project_type, 'value') else project.project_type
+    if pt == "客户正式项目" and project.contract_amount:
+        result["contract_amount"] = project.contract_amount
+        result["profit_loss"] = round(project.contract_amount - total_cost, 2)
+    else:
+        result["contract_amount"] = None
+        result["profit_loss"] = None
+
+    return result
--- a/backend/config.py
+++ b/backend/config.py
@ -0,0 +1,13 @@
+"""应用配置"""
+import os
+
+# 数据库
+DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///./airlabs.db")
+
+# JWT 认证
+SECRET_KEY = os.getenv("SECRET_KEY", "airlabs-project-secret-key-change-in-production")
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24  # 24 小时
+
+# 成本计算
+WORKING_DAYS_PER_MONTH = 22
--- a/backend/database.py
+++ b/backend/database.py
@ -0,0 +1,17 @@
+"""数据库初始化"""
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker, declarative_base
+from config import DATABASE_URL
+
+engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+
+
+def get_db():
+    """获取数据库会话（FastAPI 依赖注入用）"""
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
--- a/backend/main.py
+++ b/backend/main.py
@ -0,0 +1,72 @@
+"""AirLabs Project —— 主入口"""
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+from fastapi.responses import FileResponse
+from database import engine, Base
+from models import User, UserRole, PhaseGroup
+from auth import hash_password
+import os
+
+# 创建所有表
+Base.metadata.create_all(bind=engine)
+
+app = FastAPI(title="AirLabs Project", version="1.0.0")
+
+# CORS（开发阶段允许所有来源）
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 注册路由
+from routers.auth import router as auth_router
+from routers.users import router as users_router
+from routers.projects import router as projects_router
+from routers.submissions import router as submissions_router
+from routers.costs import router as costs_router
+from routers.dashboard import router as dashboard_router
+
+app.include_router(auth_router)
+app.include_router(users_router)
+app.include_router(projects_router)
+app.include_router(submissions_router)
+app.include_router(costs_router)
+app.include_router(dashboard_router)
+
+# 前端静态文件
+frontend_dir = os.path.join(os.path.dirname(os.path.dirname(__file__)), "frontend", "dist")
+if os.path.exists(frontend_dir):
+    app.mount("/assets", StaticFiles(directory=os.path.join(frontend_dir, "assets")), name="assets")
+
+    @app.get("/{full_path:path}")
+    async def serve_frontend(full_path: str):
+        file_path = os.path.join(frontend_dir, full_path)
+        if os.path.isfile(file_path):
+            return FileResponse(file_path)
+        return FileResponse(os.path.join(frontend_dir, "index.html"))
+
+
+@app.on_event("startup")
+def init_default_owner():
+    """首次启动时创建默认 Owner 账号"""
+    from database import SessionLocal
+    db = SessionLocal()
+    try:
+        if not db.query(User).filter(User.role == UserRole.OWNER).first():
+            owner = User(
+                username="admin",
+                password_hash=hash_password("admin123"),
+                name="管理员",
+                phase_group=PhaseGroup.PRODUCTION,
+                role=UserRole.OWNER,
+                monthly_salary=0,
+            )
+            db.add(owner)
+            db.commit()
+            print("[OK] default admin created: admin / admin123")
+    finally:
+        db.close()
--- a/backend/models.py
+++ b/backend/models.py
@ -0,0 +1,238 @@
+"""数据库模型 —— 所有表定义"""
+from sqlalchemy import (
+    Column, Integer, String, Float, Date, DateTime, Text,
+    ForeignKey, Enum as SAEnum, JSON
+)
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from database import Base
+import enum
+
+
+# ──────────────────────────── 枚举定义 ────────────────────────────
+
+class ProjectType(str, enum.Enum):
+    CLIENT_FORMAL = "客户正式项目"
+    CLIENT_TEST = "客户测试项目"
+    INTERNAL_ORIGINAL = "内部原创项目"
+    INTERNAL_TEST = "内部测试项目"
+
+
+class ProjectStatus(str, enum.Enum):
+    IN_PROGRESS = "制作中"
+    COMPLETED = "已完成"
+
+
+class PhaseGroup(str, enum.Enum):
+    PRE = "前期"
+    PRODUCTION = "制作"
+    POST = "后期"
+
+
+class UserRole(str, enum.Enum):
+    MEMBER = "成员"
+    LEADER = "组长"
+    SUPERVISOR = "主管"
+    OWNER = "Owner"
+
+
+class WorkType(str, enum.Enum):
+    PRODUCTION = "制作"
+    TEST = "测试"
+    PLAN = "方案"
+
+
+class ContentType(str, enum.Enum):
+    ANIMATION = "内容制作"
+    DESIGN = "设定策划"
+    EDITING = "剪辑后期"
+    OTHER = "其他"
+
+
+class SubmitTo(str, enum.Enum):
+    LEADER = "组长"
+    PRODUCER = "制片"
+    INTERNAL = "内部"
+    EXTERNAL = "外部"
+
+
+class SubscriptionPeriod(str, enum.Enum):
+    MONTHLY = "月"
+    YEARLY = "年"
+
+
+class CostAllocationType(str, enum.Enum):
+    PROJECT = "指定项目"
+    TEAM = "内容组整体"
+    MANUAL = "手动分摊"
+
+
+class OutsourceType(str, enum.Enum):
+    ANIMATION = "动画"
+    EDITING = "剪辑"
+    FULL_EPISODE = "整集"
+
+
+# ──────────────────────────── 用户 ────────────────────────────
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    username = Column(String(50), unique=True, nullable=False, index=True)
+    password_hash = Column(String(255), nullable=False)
+    name = Column(String(50), nullable=False)
+    phase_group = Column(SAEnum(PhaseGroup), nullable=False)
+    role = Column(SAEnum(UserRole), nullable=False, default=UserRole.MEMBER)
+    monthly_salary = Column(Float, nullable=False, default=0)
+    is_active = Column(Integer, nullable=False, default=1)
+    created_at = Column(DateTime, server_default=func.now())
+
+    # 关系
+    submissions = relationship("Submission", back_populates="user")
+    led_projects = relationship("Project", back_populates="leader")
+
+    @property
+    def daily_cost(self):
+        """日成本 = 月薪 ÷ 22"""
+        from config import WORKING_DAYS_PER_MONTH
+        return round(self.monthly_salary / WORKING_DAYS_PER_MONTH, 2) if self.monthly_salary else 0
+
+
+# ──────────────────────────── 项目 ────────────────────────────
+
+class Project(Base):
+    __tablename__ = "projects"
+
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String(100), nullable=False)
+    project_type = Column(SAEnum(ProjectType), nullable=False)
+    status = Column(SAEnum(ProjectStatus), nullable=False, default=ProjectStatus.IN_PROGRESS)
+    leader_id = Column(Integer, ForeignKey("users.id"), nullable=True)
+    current_phase = Column(SAEnum(PhaseGroup), nullable=False, default=PhaseGroup.PRE)
+    episode_duration_minutes = Column(Float, nullable=False)
+    episode_count = Column(Integer, nullable=False)
+    estimated_completion_date = Column(Date, nullable=True)
+    actual_completion_date = Column(Date, nullable=True)
+    contract_amount = Column(Float, nullable=True)  # 仅客户正式项目
+    created_at = Column(DateTime, server_default=func.now())
+
+    # 关系
+    leader = relationship("User", back_populates="led_projects")
+    submissions = relationship("Submission", back_populates="project")
+    outsource_costs = relationship("OutsourceCost", back_populates="project")
+    ai_tool_allocations = relationship("AIToolCostAllocation", back_populates="project")
+
+    @property
+    def target_total_seconds(self):
+        """目标总秒数 = 单集时长(分) × 60 × 集数"""
+        return int(self.episode_duration_minutes * 60 * self.episode_count)
+
+
+# ──────────────────────────── 内容提交 ────────────────────────────
+
+class Submission(Base):
+    __tablename__ = "submissions"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    project_id = Column(Integer, ForeignKey("projects.id"), nullable=False)
+    project_phase = Column(SAEnum(PhaseGroup), nullable=False)
+    work_type = Column(SAEnum(WorkType), nullable=False)
+    content_type = Column(SAEnum(ContentType), nullable=False)
+    duration_minutes = Column(Float, nullable=True, default=0)
+    duration_seconds = Column(Float, nullable=True, default=0)
+    total_seconds = Column(Float, nullable=False, default=0)  # 系统自动计算
+    hours_spent = Column(Float, nullable=True)  # 可选：投入时长(小时)
+    submit_to = Column(SAEnum(SubmitTo), nullable=False)
+    description = Column(Text, nullable=True)
+    submit_date = Column(Date, nullable=False)
+    created_at = Column(DateTime, server_default=func.now())
+
+    # 关系
+    user = relationship("User", back_populates="submissions")
+    project = relationship("Project", back_populates="submissions")
+    history = relationship("SubmissionHistory", back_populates="submission")
+
+
+# ──────────────────────────── AI 工具成本 ────────────────────────────
+
+class AIToolCost(Base):
+    __tablename__ = "ai_tool_costs"
+
+    id = Column(Integer, primary_key=True, index=True)
+    tool_name = Column(String(100), nullable=False)
+    subscription_period = Column(SAEnum(SubscriptionPeriod), nullable=False)
+    amount = Column(Float, nullable=False)
+    allocation_type = Column(SAEnum(CostAllocationType), nullable=False)
+    project_id = Column(Integer, ForeignKey("projects.id"), nullable=True)  # 指定项目时
+    recorded_by = Column(Integer, ForeignKey("users.id"), nullable=False)
+    record_date = Column(Date, nullable=False)
+    created_at = Column(DateTime, server_default=func.now())
+
+    # 关系
+    allocations = relationship("AIToolCostAllocation", back_populates="ai_tool_cost")
+
+
+class AIToolCostAllocation(Base):
+    """AI 工具成本手动分摊明细"""
+    __tablename__ = "ai_tool_cost_allocations"
+
+    id = Column(Integer, primary_key=True, index=True)
+    ai_tool_cost_id = Column(Integer, ForeignKey("ai_tool_costs.id"), nullable=False)
+    project_id = Column(Integer, ForeignKey("projects.id"), nullable=False)
+    percentage = Column(Float, nullable=False)  # 0-100
+
+    ai_tool_cost = relationship("AIToolCost", back_populates="allocations")
+    project = relationship("Project", back_populates="ai_tool_allocations")
+
+
+# ──────────────────────────── 外包成本 ────────────────────────────
+
+class OutsourceCost(Base):
+    __tablename__ = "outsource_costs"
+
+    id = Column(Integer, primary_key=True, index=True)
+    project_id = Column(Integer, ForeignKey("projects.id"), nullable=False)
+    outsource_type = Column(SAEnum(OutsourceType), nullable=False)
+    episode_start = Column(Integer, nullable=True)
+    episode_end = Column(Integer, nullable=True)
+    amount = Column(Float, nullable=False)
+    recorded_by = Column(Integer, ForeignKey("users.id"), nullable=False)
+    record_date = Column(Date, nullable=False)
+    created_at = Column(DateTime, server_default=func.now())
+
+    project = relationship("Project", back_populates="outsource_costs")
+
+
+# ──────────────────────────── 人力成本手动调整 ────────────────────────────
+
+class CostOverride(Base):
+    """管理员手动修改某人某天的成本分摊"""
+    __tablename__ = "cost_overrides"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    date = Column(Date, nullable=False)
+    project_id = Column(Integer, ForeignKey("projects.id"), nullable=False)
+    override_amount = Column(Float, nullable=False)
+    adjusted_by = Column(Integer, ForeignKey("users.id"), nullable=False)
+    reason = Column(Text, nullable=True)
+    created_at = Column(DateTime, server_default=func.now())
+
+
+# ──────────────────────────── 提交历史版本 ────────────────────────────
+
+class SubmissionHistory(Base):
+    """内容提交的修改历史"""
+    __tablename__ = "submission_history"
+
+    id = Column(Integer, primary_key=True, index=True)
+    submission_id = Column(Integer, ForeignKey("submissions.id"), nullable=False)
+    changed_by = Column(Integer, ForeignKey("users.id"), nullable=False)
+    change_reason = Column(Text, nullable=False)
+    old_data = Column(JSON, nullable=False)
+    new_data = Column(JSON, nullable=False)
+    created_at = Column(DateTime, server_default=func.now())
+
+    submission = relationship("Submission", back_populates="history")
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@ -0,0 +1,7 @@
+fastapi
+uvicorn[standard]
+sqlalchemy
+pydantic
+python-jose[cryptography]
+passlib[bcrypt]
+python-multipart
--- a/backend/routers/init.py
+++ b/backend/routers/init.py
--- a/backend/routers/pycache/init.cpython-310.pyc
+++ b/backend/routers/pycache/init.cpython-310.pyc
--- a/backend/routers/pycache/auth.cpython-310.pyc
+++ b/backend/routers/pycache/auth.cpython-310.pyc
--- a/backend/routers/pycache/costs.cpython-310.pyc
+++ b/backend/routers/pycache/costs.cpython-310.pyc
--- a/backend/routers/pycache/dashboard.cpython-310.pyc
+++ b/backend/routers/pycache/dashboard.cpython-310.pyc
--- a/backend/routers/pycache/projects.cpython-310.pyc
+++ b/backend/routers/pycache/projects.cpython-310.pyc
--- a/backend/routers/pycache/submissions.cpython-310.pyc
+++ b/backend/routers/pycache/submissions.cpython-310.pyc
--- a/backend/routers/pycache/users.cpython-310.pyc
+++ b/backend/routers/pycache/users.cpython-310.pyc
--- a/backend/routers/auth.py
+++ b/backend/routers/auth.py
@ -0,0 +1,35 @@
+"""认证路由"""
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.orm import Session
+from database import get_db
+from models import User
+from schemas import LoginRequest, Token, UserOut
+from auth import verify_password, create_access_token, get_current_user
+
+router = APIRouter(prefix="/api/auth", tags=["认证"])
+
+
+@router.post("/login", response_model=Token)
+def login(req: LoginRequest, db: Session = Depends(get_db)):
+    user = db.query(User).filter(User.username == req.username).first()
+    if not user or not verify_password(req.password, user.password_hash):
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="用户名或密码错误")
+    if not user.is_active:
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="账号已停用")
+    token = create_access_token(data={"sub": user.id})
+    return {"access_token": token, "token_type": "bearer"}
+
+
+@router.get("/me", response_model=UserOut)
+def get_me(current_user: User = Depends(get_current_user)):
+    return UserOut(
+        id=current_user.id,
+        username=current_user.username,
+        name=current_user.name,
+        phase_group=current_user.phase_group.value if hasattr(current_user.phase_group, 'value') else current_user.phase_group,
+        role=current_user.role.value if hasattr(current_user.role, 'value') else current_user.role,
+        monthly_salary=current_user.monthly_salary,
+        daily_cost=current_user.daily_cost,
+        is_active=current_user.is_active,
+        created_at=current_user.created_at,
+    )
--- a/backend/routers/costs.py
+++ b/backend/routers/costs.py
@ -0,0 +1,205 @@
+"""成本管理路由"""
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from typing import List, Optional
+from datetime import date
+from database import get_db
+from models import (
+    User, UserRole, AIToolCost, AIToolCostAllocation, OutsourceCost,
+    CostOverride, SubscriptionPeriod, CostAllocationType, OutsourceType
+)
+from schemas import (
+    AIToolCostCreate, AIToolCostOut, OutsourceCostCreate, OutsourceCostOut,
+    CostOverrideCreate
+)
+from auth import get_current_user, require_role
+
+router = APIRouter(prefix="/api/costs", tags=["成本管理"])
+
+
+# ──────────────────── AI 工具成本 ────────────────────
+
+@router.get("/ai-tools", response_model=List[AIToolCostOut])
+def list_ai_tool_costs(
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR, UserRole.LEADER))
+):
+    costs = db.query(AIToolCost).order_by(AIToolCost.record_date.desc()).all()
+    return [
+        AIToolCostOut(
+            id=c.id, tool_name=c.tool_name,
+            subscription_period=c.subscription_period.value if hasattr(c.subscription_period, 'value') else c.subscription_period,
+            amount=c.amount,
+            allocation_type=c.allocation_type.value if hasattr(c.allocation_type, 'value') else c.allocation_type,
+            project_id=c.project_id,
+            recorded_by=c.recorded_by,
+            record_date=c.record_date,
+            created_at=c.created_at,
+        )
+        for c in costs
+    ]
+
+
+@router.post("/ai-tools", response_model=AIToolCostOut)
+def create_ai_tool_cost(
+    req: AIToolCostCreate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR, UserRole.LEADER))
+):
+    cost = AIToolCost(
+        tool_name=req.tool_name,
+        subscription_period=SubscriptionPeriod(req.subscription_period),
+        amount=req.amount,
+        allocation_type=CostAllocationType(req.allocation_type),
+        project_id=req.project_id,
+        recorded_by=current_user.id,
+        record_date=req.record_date,
+    )
+    db.add(cost)
+    db.flush()
+
+    # 处理手动分摊
+    if req.allocation_type == "手动分摊" and req.allocations:
+        for alloc in req.allocations:
+            db.add(AIToolCostAllocation(
+                ai_tool_cost_id=cost.id,
+                project_id=alloc["project_id"],
+                percentage=alloc["percentage"],
+            ))
+    db.commit()
+    db.refresh(cost)
+    return AIToolCostOut(
+        id=cost.id, tool_name=cost.tool_name,
+        subscription_period=cost.subscription_period.value,
+        amount=cost.amount,
+        allocation_type=cost.allocation_type.value,
+        project_id=cost.project_id,
+        recorded_by=cost.recorded_by,
+        record_date=cost.record_date,
+        created_at=cost.created_at,
+    )
+
+
+@router.delete("/ai-tools/{cost_id}")
+def delete_ai_tool_cost(
+    cost_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER))
+):
+    cost = db.query(AIToolCost).filter(AIToolCost.id == cost_id).first()
+    if not cost:
+        raise HTTPException(status_code=404, detail="记录不存在")
+    db.query(AIToolCostAllocation).filter(AIToolCostAllocation.ai_tool_cost_id == cost_id).delete()
+    db.delete(cost)
+    db.commit()
+    return {"message": "已删除"}
+
+
+# ──────────────────── 外包成本 ────────────────────
+
+@router.get("/outsource", response_model=List[OutsourceCostOut])
+def list_outsource_costs(
+    project_id: Optional[int] = Query(None),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR, UserRole.LEADER))
+):
+    q = db.query(OutsourceCost)
+    if project_id:
+        q = q.filter(OutsourceCost.project_id == project_id)
+    costs = q.order_by(OutsourceCost.record_date.desc()).all()
+    return [
+        OutsourceCostOut(
+            id=c.id, project_id=c.project_id,
+            outsource_type=c.outsource_type.value if hasattr(c.outsource_type, 'value') else c.outsource_type,
+            episode_start=c.episode_start, episode_end=c.episode_end,
+            amount=c.amount, recorded_by=c.recorded_by,
+            record_date=c.record_date, created_at=c.created_at,
+        )
+        for c in costs
+    ]
+
+
+@router.post("/outsource", response_model=OutsourceCostOut)
+def create_outsource_cost(
+    req: OutsourceCostCreate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR, UserRole.LEADER))
+):
+    cost = OutsourceCost(
+        project_id=req.project_id,
+        outsource_type=OutsourceType(req.outsource_type),
+        episode_start=req.episode_start,
+        episode_end=req.episode_end,
+        amount=req.amount,
+        recorded_by=current_user.id,
+        record_date=req.record_date,
+    )
+    db.add(cost)
+    db.commit()
+    db.refresh(cost)
+    return OutsourceCostOut(
+        id=cost.id, project_id=cost.project_id,
+        outsource_type=cost.outsource_type.value,
+        episode_start=cost.episode_start, episode_end=cost.episode_end,
+        amount=cost.amount, recorded_by=cost.recorded_by,
+        record_date=cost.record_date, created_at=cost.created_at,
+    )
+
+
+@router.delete("/outsource/{cost_id}")
+def delete_outsource_cost(
+    cost_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER))
+):
+    cost = db.query(OutsourceCost).filter(OutsourceCost.id == cost_id).first()
+    if not cost:
+        raise HTTPException(status_code=404, detail="记录不存在")
+    db.delete(cost)
+    db.commit()
+    return {"message": "已删除"}
+
+
+# ──────────────────── 人力成本手动调整 ────────────────────
+
+@router.post("/overrides")
+def create_cost_override(
+    req: CostOverrideCreate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR))
+):
+    override = CostOverride(
+        user_id=req.user_id,
+        date=req.date,
+        project_id=req.project_id,
+        override_amount=req.override_amount,
+        adjusted_by=current_user.id,
+        reason=req.reason,
+    )
+    db.add(override)
+    db.commit()
+    return {"message": "已保存成本调整"}
+
+
+@router.get("/overrides")
+def list_cost_overrides(
+    user_id: Optional[int] = Query(None),
+    project_id: Optional[int] = Query(None),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR))
+):
+    q = db.query(CostOverride)
+    if user_id:
+        q = q.filter(CostOverride.user_id == user_id)
+    if project_id:
+        q = q.filter(CostOverride.project_id == project_id)
+    records = q.order_by(CostOverride.date.desc()).all()
+    return [
+        {
+            "id": r.id, "user_id": r.user_id, "date": r.date,
+            "project_id": r.project_id, "override_amount": r.override_amount,
+            "adjusted_by": r.adjusted_by, "reason": r.reason,
+            "created_at": r.created_at,
+        }
+        for r in records
+    ]
--- a/backend/routers/dashboard.py
+++ b/backend/routers/dashboard.py
@ -0,0 +1,152 @@
+"""仪表盘 + 结算路由"""
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from sqlalchemy import func as sa_func
+from datetime import date, timedelta
+from database import get_db
+from models import (
+    User, UserRole, Project, Submission, AIToolCost,
+    ProjectStatus, ProjectType, WorkType
+)
+from auth import get_current_user, require_role
+from calculations import (
+    calc_project_settlement, calc_waste_for_project,
+    calc_labor_cost_for_project, calc_ai_tool_cost_for_project,
+    calc_outsource_cost_for_project, calc_team_efficiency
+)
+
+router = APIRouter(prefix="/api", tags=["仪表盘与结算"])
+
+
+@router.get("/dashboard")
+def get_dashboard(
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER))
+):
+    """全局仪表盘数据"""
+    # 项目概览
+    active = db.query(Project).filter(Project.status == ProjectStatus.IN_PROGRESS).all()
+    completed = db.query(Project).filter(Project.status == ProjectStatus.COMPLETED).all()
+
+    # 当月日期范围
+    today = date.today()
+    month_start = today.replace(day=1)
+
+    # 本月人力成本（简化：统计本月所有有提交的人的日成本）
+    monthly_submitters = db.query(Submission.user_id, Submission.submit_date).filter(
+        Submission.submit_date >= month_start,
+        Submission.submit_date <= today,
+    ).distinct().all()
+
+    monthly_labor = 0.0
+    processed_user_dates = set()
+    for uid, d in monthly_submitters:
+        key = (uid, d)
+        if key not in processed_user_dates:
+            processed_user_dates.add(key)
+            user = db.query(User).filter(User.id == uid).first()
+            if user:
+                monthly_labor += user.daily_cost
+
+    # 本月 AI 工具成本
+    monthly_ai = db.query(sa_func.sum(AIToolCost.amount)).filter(
+        AIToolCost.record_date >= month_start,
+        AIToolCost.record_date <= today,
+    ).scalar() or 0
+
+    # 本月总产出秒数
+    monthly_secs = db.query(sa_func.sum(Submission.total_seconds)).filter(
+        Submission.submit_date >= month_start,
+        Submission.submit_date <= today,
+        Submission.total_seconds > 0,
+    ).scalar() or 0
+
+    # 活跃人数
+    active_users = db.query(Submission.user_id).filter(
+        Submission.submit_date >= month_start,
+    ).distinct().count()
+    working_days = max(1, (today - month_start).days + 1)
+    avg_daily = round(monthly_secs / max(1, active_users) / working_days, 1)
+
+    # 各项目摘要
+    project_summaries = []
+    for p in active:
+        waste = calc_waste_for_project(p.id, db)
+        total_secs = waste.get("total_submitted_seconds", 0)
+        target = p.target_total_seconds
+        progress = round(total_secs / target * 100, 1) if target > 0 else 0
+        is_overdue = (
+            p.estimated_completion_date and today > p.estimated_completion_date
+        )
+        project_summaries.append({
+            "id": p.id,
+            "name": p.name,
+            "project_type": p.project_type.value if hasattr(p.project_type, 'value') else p.project_type,
+            "progress_percent": progress,
+            "target_seconds": target,
+            "submitted_seconds": total_secs,
+            "waste_rate": waste.get("waste_rate", 0),
+            "is_overdue": bool(is_overdue),
+            "estimated_completion_date": str(p.estimated_completion_date) if p.estimated_completion_date else None,
+        })
+
+    # 损耗排行
+    waste_ranking = []
+    for p in active + completed:
+        w = calc_waste_for_project(p.id, db)
+        if w.get("total_waste_seconds", 0) > 0:
+            waste_ranking.append({
+                "project_id": p.id,
+                "project_name": p.name,
+                "waste_seconds": w["total_waste_seconds"],
+                "waste_rate": w["waste_rate"],
+            })
+    waste_ranking.sort(key=lambda x: x["waste_rate"], reverse=True)
+
+    # 已结算项目
+    settled = []
+    for p in completed:
+        settlement = calc_project_settlement(p.id, db)
+        settled.append({
+            "project_id": p.id,
+            "project_name": p.name,
+            "project_type": settlement.get("project_type", ""),
+            "total_cost": settlement.get("total_cost", 0),
+            "contract_amount": settlement.get("contract_amount"),
+            "profit_loss": settlement.get("profit_loss"),
+        })
+
+    return {
+        "active_projects": len(active),
+        "completed_projects": len(completed),
+        "monthly_labor_cost": round(monthly_labor, 2),
+        "monthly_ai_tool_cost": round(monthly_ai, 2),
+        "monthly_total_seconds": round(monthly_secs, 1),
+        "avg_daily_seconds_per_person": avg_daily,
+        "projects": project_summaries,
+        "waste_ranking": waste_ranking,
+        "settled_projects": settled,
+    }
+
+
+@router.get("/projects/{project_id}/settlement")
+def get_settlement(
+    project_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER))
+):
+    """项目结算报告"""
+    project = db.query(Project).filter(Project.id == project_id).first()
+    if not project:
+        raise HTTPException(status_code=404, detail="项目不存在")
+    return calc_project_settlement(project_id, db)
+
+
+@router.get("/projects/{project_id}/efficiency")
+def get_efficiency(
+    project_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR, UserRole.LEADER))
+):
+    """项目团队效率数据"""
+    return calc_team_efficiency(project_id, db)
--- a/backend/routers/projects.py
+++ b/backend/routers/projects.py
@ -0,0 +1,158 @@
+"""项目管理路由"""
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from sqlalchemy import func as sa_func
+from typing import List, Optional
+from database import get_db
+from models import (
+    User, Project, Submission, UserRole, ProjectType,
+    ProjectStatus, PhaseGroup, WorkType
+)
+from schemas import ProjectCreate, ProjectUpdate, ProjectOut
+from auth import get_current_user, require_role
+
+router = APIRouter(prefix="/api/projects", tags=["项目管理"])
+
+
+def enrich_project(p: Project, db: Session) -> ProjectOut:
+    """将项目对象转为带计算字段的输出"""
+    # 累计提交秒数（仅有秒数的提交）
+    total_secs = db.query(sa_func.sum(Submission.total_seconds)).filter(
+        Submission.project_id == p.id,
+        Submission.total_seconds > 0
+    ).scalar() or 0
+
+    target = p.target_total_seconds
+    progress = round(total_secs / target * 100, 1) if target > 0 else 0
+
+    # 损耗 = 测试损耗 + 超产损耗
+    test_secs = db.query(sa_func.sum(Submission.total_seconds)).filter(
+        Submission.project_id == p.id,
+        Submission.work_type == WorkType.TEST
+    ).scalar() or 0
+    overproduction = max(0, total_secs - target)
+    waste = test_secs + overproduction
+    waste_rate = round(waste / target * 100, 1) if target > 0 else 0
+
+    leader_name = p.leader.name if p.leader else None
+
+    return ProjectOut(
+        id=p.id, name=p.name,
+        project_type=p.project_type.value if hasattr(p.project_type, 'value') else p.project_type,
+        status=p.status.value if hasattr(p.status, 'value') else p.status,
+        leader_id=p.leader_id, leader_name=leader_name,
+        current_phase=p.current_phase.value if hasattr(p.current_phase, 'value') else p.current_phase,
+        episode_duration_minutes=p.episode_duration_minutes,
+        episode_count=p.episode_count,
+        target_total_seconds=target,
+        estimated_completion_date=p.estimated_completion_date,
+        actual_completion_date=p.actual_completion_date,
+        contract_amount=p.contract_amount,
+        created_at=p.created_at,
+        total_submitted_seconds=round(total_secs, 1),
+        progress_percent=progress,
+        waste_seconds=round(waste, 1),
+        waste_rate=waste_rate,
+    )
+
+
+@router.get("/", response_model=List[ProjectOut])
+def list_projects(
+    status: Optional[str] = Query(None),
+    project_type: Optional[str] = Query(None),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
+    q = db.query(Project)
+    if status:
+        q = q.filter(Project.status == ProjectStatus(status))
+    if project_type:
+        q = q.filter(Project.project_type == ProjectType(project_type))
+    projects = q.order_by(Project.created_at.desc()).all()
+    return [enrich_project(p, db) for p in projects]
+
+
+@router.post("/", response_model=ProjectOut)
+def create_project(
+    req: ProjectCreate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR))
+):
+    project = Project(
+        name=req.name,
+        project_type=ProjectType(req.project_type),
+        leader_id=req.leader_id,
+        current_phase=PhaseGroup(req.current_phase),
+        episode_duration_minutes=req.episode_duration_minutes,
+        episode_count=req.episode_count,
+        estimated_completion_date=req.estimated_completion_date,
+        contract_amount=req.contract_amount,
+    )
+    db.add(project)
+    db.commit()
+    db.refresh(project)
+    return enrich_project(project, db)
+
+
+@router.get("/{project_id}", response_model=ProjectOut)
+def get_project(
+    project_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
+    p = db.query(Project).filter(Project.id == project_id).first()
+    if not p:
+        raise HTTPException(status_code=404, detail="项目不存在")
+    return enrich_project(p, db)
+
+
+@router.put("/{project_id}", response_model=ProjectOut)
+def update_project(
+    project_id: int,
+    req: ProjectUpdate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR))
+):
+    p = db.query(Project).filter(Project.id == project_id).first()
+    if not p:
+        raise HTTPException(status_code=404, detail="项目不存在")
+    if req.name is not None:
+        p.name = req.name
+    if req.project_type is not None:
+        p.project_type = ProjectType(req.project_type)
+    if req.status is not None:
+        p.status = ProjectStatus(req.status)
+    if req.leader_id is not None:
+        p.leader_id = req.leader_id
+    if req.current_phase is not None:
+        p.current_phase = PhaseGroup(req.current_phase)
+    if req.episode_duration_minutes is not None:
+        p.episode_duration_minutes = req.episode_duration_minutes
+    if req.episode_count is not None:
+        p.episode_count = req.episode_count
+    if req.estimated_completion_date is not None:
+        p.estimated_completion_date = req.estimated_completion_date
+    if req.actual_completion_date is not None:
+        p.actual_completion_date = req.actual_completion_date
+    if req.contract_amount is not None:
+        p.contract_amount = req.contract_amount
+    db.commit()
+    db.refresh(p)
+    return enrich_project(p, db)
+
+
+@router.post("/{project_id}/complete")
+def complete_project(
+    project_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER))
+):
+    """Owner 手动确认项目完成"""
+    p = db.query(Project).filter(Project.id == project_id).first()
+    if not p:
+        raise HTTPException(status_code=404, detail="项目不存在")
+    from datetime import date
+    p.status = ProjectStatus.COMPLETED
+    p.actual_completion_date = date.today()
+    db.commit()
+    return {"message": "项目已标记为完成", "project_id": project_id}
--- a/backend/routers/submissions.py
+++ b/backend/routers/submissions.py
@ -0,0 +1,193 @@
+"""内容提交路由"""
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from typing import List, Optional
+from datetime import date
+from database import get_db
+from models import (
+    User, Submission, SubmissionHistory, Project, UserRole,
+    PhaseGroup, WorkType, ContentType, SubmitTo
+)
+from schemas import SubmissionCreate, SubmissionUpdate, SubmissionOut
+from auth import get_current_user, require_role
+
+router = APIRouter(prefix="/api/submissions", tags=["内容提交"])
+
+
+def submission_to_out(s: Submission) -> SubmissionOut:
+    return SubmissionOut(
+        id=s.id, user_id=s.user_id,
+        user_name=s.user.name if s.user else None,
+        project_id=s.project_id,
+        project_name=s.project.name if s.project else None,
+        project_phase=s.project_phase.value if hasattr(s.project_phase, 'value') else s.project_phase,
+        work_type=s.work_type.value if hasattr(s.work_type, 'value') else s.work_type,
+        content_type=s.content_type.value if hasattr(s.content_type, 'value') else s.content_type,
+        duration_minutes=s.duration_minutes,
+        duration_seconds=s.duration_seconds,
+        total_seconds=s.total_seconds,
+        hours_spent=s.hours_spent,
+        submit_to=s.submit_to.value if hasattr(s.submit_to, 'value') else s.submit_to,
+        description=s.description,
+        submit_date=s.submit_date,
+        created_at=s.created_at,
+    )
+
+
+@router.get("/", response_model=List[SubmissionOut])
+def list_submissions(
+    project_id: Optional[int] = Query(None),
+    user_id: Optional[int] = Query(None),
+    start_date: Optional[date] = Query(None),
+    end_date: Optional[date] = Query(None),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
+    q = db.query(Submission)
+    # 成员只能看自己的
+    if current_user.role == UserRole.MEMBER:
+        q = q.filter(Submission.user_id == current_user.id)
+    elif user_id:
+        q = q.filter(Submission.user_id == user_id)
+    if project_id:
+        q = q.filter(Submission.project_id == project_id)
+    if start_date:
+        q = q.filter(Submission.submit_date >= start_date)
+    if end_date:
+        q = q.filter(Submission.submit_date <= end_date)
+    subs = q.order_by(Submission.submit_date.desc(), Submission.created_at.desc()).all()
+    return [submission_to_out(s) for s in subs]
+
+
+@router.post("/", response_model=SubmissionOut)
+def create_submission(
+    req: SubmissionCreate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
+    # 校验项目存在
+    project = db.query(Project).filter(Project.id == req.project_id).first()
+    if not project:
+        raise HTTPException(status_code=404, detail="项目不存在")
+
+    # 自动计算总秒数
+    total_seconds = (req.duration_minutes or 0) * 60 + (req.duration_seconds or 0)
+
+    sub = Submission(
+        user_id=current_user.id,
+        project_id=req.project_id,
+        project_phase=PhaseGroup(req.project_phase),
+        work_type=WorkType(req.work_type),
+        content_type=ContentType(req.content_type),
+        duration_minutes=req.duration_minutes or 0,
+        duration_seconds=req.duration_seconds or 0,
+        total_seconds=total_seconds,
+        hours_spent=req.hours_spent,
+        submit_to=SubmitTo(req.submit_to),
+        description=req.description,
+        submit_date=req.submit_date,
+    )
+    db.add(sub)
+    db.commit()
+    db.refresh(sub)
+    return submission_to_out(sub)
+
+
+@router.put("/{submission_id}", response_model=SubmissionOut)
+def update_submission(
+    submission_id: int,
+    req: SubmissionUpdate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR, UserRole.LEADER))
+):
+    """高权限修改提交记录（需填写原因）"""
+    sub = db.query(Submission).filter(Submission.id == submission_id).first()
+    if not sub:
+        raise HTTPException(status_code=404, detail="提交记录不存在")
+
+    # 保存旧数据用于历史记录
+    old_data = {
+        "project_phase": sub.project_phase.value if hasattr(sub.project_phase, 'value') else sub.project_phase,
+        "work_type": sub.work_type.value if hasattr(sub.work_type, 'value') else sub.work_type,
+        "content_type": sub.content_type.value if hasattr(sub.content_type, 'value') else sub.content_type,
+        "duration_minutes": sub.duration_minutes,
+        "duration_seconds": sub.duration_seconds,
+        "total_seconds": sub.total_seconds,
+        "hours_spent": sub.hours_spent,
+        "submit_to": sub.submit_to.value if hasattr(sub.submit_to, 'value') else sub.submit_to,
+        "description": sub.description,
+        "submit_date": str(sub.submit_date),
+    }
+
+    # 更新字段
+    if req.project_phase is not None:
+        sub.project_phase = PhaseGroup(req.project_phase)
+    if req.work_type is not None:
+        sub.work_type = WorkType(req.work_type)
+    if req.content_type is not None:
+        sub.content_type = ContentType(req.content_type)
+    if req.duration_minutes is not None:
+        sub.duration_minutes = req.duration_minutes
+    if req.duration_seconds is not None:
+        sub.duration_seconds = req.duration_seconds
+    if req.hours_spent is not None:
+        sub.hours_spent = req.hours_spent
+    if req.submit_to is not None:
+        sub.submit_to = SubmitTo(req.submit_to)
+    if req.description is not None:
+        sub.description = req.description
+    if req.submit_date is not None:
+        sub.submit_date = req.submit_date
+
+    # 重算总秒数
+    sub.total_seconds = (sub.duration_minutes or 0) * 60 + (sub.duration_seconds or 0)
+
+    # 保存新数据
+    new_data = {
+        "project_phase": sub.project_phase.value if hasattr(sub.project_phase, 'value') else sub.project_phase,
+        "work_type": sub.work_type.value if hasattr(sub.work_type, 'value') else sub.work_type,
+        "content_type": sub.content_type.value if hasattr(sub.content_type, 'value') else sub.content_type,
+        "duration_minutes": sub.duration_minutes,
+        "duration_seconds": sub.duration_seconds,
+        "total_seconds": sub.total_seconds,
+        "hours_spent": sub.hours_spent,
+        "submit_to": sub.submit_to.value if hasattr(sub.submit_to, 'value') else sub.submit_to,
+        "description": sub.description,
+        "submit_date": str(sub.submit_date),
+    }
+
+    # 写入修改历史
+    history = SubmissionHistory(
+        submission_id=sub.id,
+        changed_by=current_user.id,
+        change_reason=req.change_reason,
+        old_data=old_data,
+        new_data=new_data,
+    )
+    db.add(history)
+    db.commit()
+    db.refresh(sub)
+    return submission_to_out(sub)
+
+
+@router.get("/{submission_id}/history")
+def get_submission_history(
+    submission_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR, UserRole.LEADER))
+):
+    """查看提交的修改历史"""
+    records = db.query(SubmissionHistory).filter(
+        SubmissionHistory.submission_id == submission_id
+    ).order_by(SubmissionHistory.created_at.desc()).all()
+    return [
+        {
+            "id": r.id,
+            "changed_by": r.changed_by,
+            "change_reason": r.change_reason,
+            "old_data": r.old_data,
+            "new_data": r.new_data,
+            "created_at": r.created_at,
+        }
+        for r in records
+    ]
--- a/backend/routers/users.py
+++ b/backend/routers/users.py
@ -0,0 +1,88 @@
+"""用户管理路由"""
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from typing import List
+from database import get_db
+from models import User, UserRole, PhaseGroup
+from schemas import UserCreate, UserUpdate, UserOut
+from auth import get_current_user, hash_password, require_role
+
+router = APIRouter(prefix="/api/users", tags=["用户管理"])
+
+
+def user_to_out(u: User) -> UserOut:
+    return UserOut(
+        id=u.id, username=u.username, name=u.name,
+        phase_group=u.phase_group.value if hasattr(u.phase_group, 'value') else u.phase_group,
+        role=u.role.value if hasattr(u.role, 'value') else u.role,
+        monthly_salary=u.monthly_salary, daily_cost=u.daily_cost,
+        is_active=u.is_active, created_at=u.created_at,
+    )
+
+
+@router.get("/", response_model=List[UserOut])
+def list_users(
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER, UserRole.SUPERVISOR, UserRole.LEADER))
+):
+    users = db.query(User).order_by(User.created_at.desc()).all()
+    return [user_to_out(u) for u in users]
+
+
+@router.post("/", response_model=UserOut)
+def create_user(
+    req: UserCreate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER))
+):
+    if db.query(User).filter(User.username == req.username).first():
+        raise HTTPException(status_code=400, detail="用户名已存在")
+    user = User(
+        username=req.username,
+        password_hash=hash_password(req.password),
+        name=req.name,
+        phase_group=PhaseGroup(req.phase_group),
+        role=UserRole(req.role),
+        monthly_salary=req.monthly_salary,
+    )
+    db.add(user)
+    db.commit()
+    db.refresh(user)
+    return user_to_out(user)
+
+
+@router.put("/{user_id}", response_model=UserOut)
+def update_user(
+    user_id: int,
+    req: UserUpdate,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_role(UserRole.OWNER))
+):
+    user = db.query(User).filter(User.id == user_id).first()
+    if not user:
+        raise HTTPException(status_code=404, detail="用户不存在")
+    if req.name is not None:
+        user.name = req.name
+    if req.phase_group is not None:
+        user.phase_group = PhaseGroup(req.phase_group)
+    if req.role is not None:
+        user.role = UserRole(req.role)
+    if req.monthly_salary is not None:
+        user.monthly_salary = req.monthly_salary
+    if req.is_active is not None:
+        user.is_active = req.is_active
+    db.commit()
+    db.refresh(user)
+    return user_to_out(user)
+
+
+@router.get("/{user_id}", response_model=UserOut)
+def get_user(
+    user_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
+    user = db.query(User).filter(User.id == user_id).first()
+    if not user:
+        raise HTTPException(status_code=404, detail="用户不存在")
+    return user_to_out(user)
--- a/backend/schemas.py
+++ b/backend/schemas.py
@ -0,0 +1,249 @@
+"""Pydantic 数据模型 —— API 请求/响应格式定义"""
+from pydantic import BaseModel, Field
+from typing import Optional, List
+from datetime import date, datetime
+
+
+# ──────────────────────────── 认证 ────────────────────────────
+
+class LoginRequest(BaseModel):
+    username: str
+    password: str
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str = "bearer"
+
+
+# ──────────────────────────── 用户 ────────────────────────────
+
+class UserCreate(BaseModel):
+    username: str
+    password: str
+    name: str
+    phase_group: str  # 前期/制作/后期
+    role: str = "成员"
+    monthly_salary: float = 0
+
+
+class UserUpdate(BaseModel):
+    name: Optional[str] = None
+    phase_group: Optional[str] = None
+    role: Optional[str] = None
+    monthly_salary: Optional[float] = None
+    is_active: Optional[int] = None
+
+
+class UserOut(BaseModel):
+    id: int
+    username: str
+    name: str
+    phase_group: str
+    role: str
+    monthly_salary: float
+    daily_cost: float
+    is_active: int
+    created_at: Optional[datetime] = None
+
+    class Config:
+        from_attributes = True
+
+
+# ──────────────────────────── 项目 ────────────────────────────
+
+class ProjectCreate(BaseModel):
+    name: str
+    project_type: str
+    leader_id: Optional[int] = None
+    current_phase: str = "前期"
+    episode_duration_minutes: float
+    episode_count: int
+    estimated_completion_date: Optional[date] = None
+    contract_amount: Optional[float] = None
+
+
+class ProjectUpdate(BaseModel):
+    name: Optional[str] = None
+    project_type: Optional[str] = None
+    status: Optional[str] = None
+    leader_id: Optional[int] = None
+    current_phase: Optional[str] = None
+    episode_duration_minutes: Optional[float] = None
+    episode_count: Optional[int] = None
+    estimated_completion_date: Optional[date] = None
+    actual_completion_date: Optional[date] = None
+    contract_amount: Optional[float] = None
+
+
+class ProjectOut(BaseModel):
+    id: int
+    name: str
+    project_type: str
+    status: str
+    leader_id: Optional[int] = None
+    leader_name: Optional[str] = None
+    current_phase: str
+    episode_duration_minutes: float
+    episode_count: int
+    target_total_seconds: int
+    estimated_completion_date: Optional[date] = None
+    actual_completion_date: Optional[date] = None
+    contract_amount: Optional[float] = None
+    created_at: Optional[datetime] = None
+    # 动态计算字段
+    total_submitted_seconds: Optional[float] = 0
+    progress_percent: Optional[float] = 0
+    waste_seconds: Optional[float] = 0
+    waste_rate: Optional[float] = 0
+
+    class Config:
+        from_attributes = True
+
+
+# ──────────────────────────── 内容提交 ────────────────────────────
+
+class SubmissionCreate(BaseModel):
+    project_id: int
+    project_phase: str
+    work_type: str
+    content_type: str
+    duration_minutes: Optional[float] = 0
+    duration_seconds: Optional[float] = 0
+    hours_spent: Optional[float] = None
+    submit_to: str
+    description: Optional[str] = None
+    submit_date: date
+
+
+class SubmissionUpdate(BaseModel):
+    project_phase: Optional[str] = None
+    work_type: Optional[str] = None
+    content_type: Optional[str] = None
+    duration_minutes: Optional[float] = None
+    duration_seconds: Optional[float] = None
+    hours_spent: Optional[float] = None
+    submit_to: Optional[str] = None
+    description: Optional[str] = None
+    submit_date: Optional[date] = None
+    change_reason: str  # 修改必须填原因
+
+
+class SubmissionOut(BaseModel):
+    id: int
+    user_id: int
+    user_name: Optional[str] = None
+    project_id: int
+    project_name: Optional[str] = None
+    project_phase: str
+    work_type: str
+    content_type: str
+    duration_minutes: Optional[float] = 0
+    duration_seconds: Optional[float] = 0
+    total_seconds: float
+    hours_spent: Optional[float] = None
+    submit_to: str
+    description: Optional[str] = None
+    submit_date: date
+    created_at: Optional[datetime] = None
+
+    class Config:
+        from_attributes = True
+
+
+# ──────────────────────────── AI 工具成本 ────────────────────────────
+
+class AIToolCostCreate(BaseModel):
+    tool_name: str
+    subscription_period: str
+    amount: float
+    allocation_type: str
+    project_id: Optional[int] = None
+    record_date: date
+    allocations: Optional[List[dict]] = None  # [{project_id, percentage}]
+
+
+class AIToolCostOut(BaseModel):
+    id: int
+    tool_name: str
+    subscription_period: str
+    amount: float
+    allocation_type: str
+    project_id: Optional[int] = None
+    recorded_by: int
+    record_date: date
+    created_at: Optional[datetime] = None
+
+    class Config:
+        from_attributes = True
+
+
+# ──────────────────────────── 外包成本 ────────────────────────────
+
+class OutsourceCostCreate(BaseModel):
+    project_id: int
+    outsource_type: str
+    episode_start: Optional[int] = None
+    episode_end: Optional[int] = None
+    amount: float
+    record_date: date
+
+
+class OutsourceCostOut(BaseModel):
+    id: int
+    project_id: int
+    outsource_type: str
+    episode_start: Optional[int] = None
+    episode_end: Optional[int] = None
+    amount: float
+    recorded_by: int
+    record_date: date
+    created_at: Optional[datetime] = None
+
+    class Config:
+        from_attributes = True
+
+
+# ──────────────────────────── 成本调整 ────────────────────────────
+
+class CostOverrideCreate(BaseModel):
+    user_id: int
+    date: date
+    project_id: int
+    override_amount: float
+    reason: Optional[str] = None
+
+
+# ──────────────────────────── 仪表盘 ────────────────────────────
+
+class DashboardSummary(BaseModel):
+    """全局仪表盘数据"""
+    active_projects: int = 0
+    completed_projects: int = 0
+    monthly_labor_cost: float = 0
+    monthly_ai_tool_cost: float = 0
+    monthly_total_seconds: float = 0
+    avg_daily_seconds_per_person: float = 0
+    projects: List[dict] = []
+    waste_ranking: List[dict] = []
+    settled_projects: List[dict] = []
+
+
+# ──────────────────────────── 项目结算 ────────────────────────────
+
+class SettlementOut(BaseModel):
+    """项目结算报告"""
+    project_id: int
+    project_name: str
+    project_type: str
+    labor_cost: float = 0
+    ai_tool_cost: float = 0
+    outsource_cost: float = 0
+    total_cost: float = 0
+    waste_seconds: float = 0
+    waste_rate: float = 0
+    test_waste_seconds: float = 0
+    overproduction_waste_seconds: float = 0
+    contract_amount: Optional[float] = None
+    profit_loss: Optional[float] = None
+    team_efficiency: List[dict] = []
--- a/backend/seed.py
+++ b/backend/seed.py
@ -0,0 +1,195 @@
+"""种子数据 —— 用于测试和演示"""
+from datetime import date, timedelta
+from database import SessionLocal, engine, Base
+from models import *
+from auth import hash_password
+
+Base.metadata.create_all(bind=engine)
+db = SessionLocal()
+
+
+def seed():
+    # 清空数据
+    for table in reversed(Base.metadata.sorted_tables):
+        db.execute(table.delete())
+    db.commit()
+
+    # ── 用户 ──
+    users = [
+        User(username="admin", password_hash=hash_password("admin123"),
+             name="老板", phase_group=PhaseGroup.PRODUCTION, role=UserRole.OWNER, monthly_salary=0),
+        User(username="zhangsan", password_hash=hash_password("123456"),
+             name="张三", phase_group=PhaseGroup.PRE, role=UserRole.LEADER, monthly_salary=15000),
+        User(username="lisi", password_hash=hash_password("123456"),
+             name="李四", phase_group=PhaseGroup.PRODUCTION, role=UserRole.LEADER, monthly_salary=18000),
+        User(username="wangwu", password_hash=hash_password("123456"),
+             name="王五", phase_group=PhaseGroup.PRODUCTION, role=UserRole.MEMBER, monthly_salary=12000),
+        User(username="zhaoliu", password_hash=hash_password("123456"),
+             name="赵六", phase_group=PhaseGroup.PRODUCTION, role=UserRole.MEMBER, monthly_salary=12000),
+        User(username="sunqi", password_hash=hash_password("123456"),
+             name="孙七", phase_group=PhaseGroup.POST, role=UserRole.MEMBER, monthly_salary=13000),
+        User(username="producer", password_hash=hash_password("123456"),
+             name="陈制片", phase_group=PhaseGroup.PRODUCTION, role=UserRole.SUPERVISOR, monthly_salary=20000),
+    ]
+    db.add_all(users)
+    db.flush()
+
+    admin, zhangsan, lisi, wangwu, zhaoliu, sunqi, producer = users
+
+    # ── 项目 ──
+    proj_a = Project(
+        name="星际漫游 第一季", project_type=ProjectType.CLIENT_FORMAL,
+        leader_id=lisi.id, current_phase=PhaseGroup.PRODUCTION,
+        episode_duration_minutes=5, episode_count=13,
+        estimated_completion_date=date.today() + timedelta(days=60),
+        contract_amount=100000,
+    )
+    proj_b = Project(
+        name="品牌方 TVC", project_type=ProjectType.CLIENT_FORMAL,
+        leader_id=lisi.id, current_phase=PhaseGroup.PRODUCTION,
+        episode_duration_minutes=1, episode_count=3,
+        estimated_completion_date=date.today() + timedelta(days=20),
+        contract_amount=50000,
+    )
+    proj_c = Project(
+        name="甲方风格测试", project_type=ProjectType.CLIENT_TEST,
+        leader_id=zhangsan.id, current_phase=PhaseGroup.PRE,
+        episode_duration_minutes=1, episode_count=1,
+    )
+    proj_d = Project(
+        name="AI 短剧原创", project_type=ProjectType.INTERNAL_ORIGINAL,
+        leader_id=lisi.id, current_phase=PhaseGroup.PRE,
+        episode_duration_minutes=8, episode_count=6,
+        estimated_completion_date=date.today() + timedelta(days=90),
+    )
+    db.add_all([proj_a, proj_b, proj_c, proj_d])
+    db.flush()
+
+    # ── 内容提交（模拟近两周的数据） ──
+    base_date = date.today() - timedelta(days=14)
+    submissions = []
+
+    # 张三（前期组）给项目 A 和 D 做前期
+    for i in range(5):
+        d = base_date + timedelta(days=i)
+        submissions.append(Submission(
+            user_id=zhangsan.id, project_id=proj_a.id,
+            project_phase=PhaseGroup.PRE, work_type=WorkType.PLAN,
+            content_type=ContentType.DESIGN, total_seconds=0,
+            submit_to=SubmitTo.INTERNAL, description=f"角色设定第{i+1}版",
+            submit_date=d,
+        ))
+    for i in range(3):
+        d = base_date + timedelta(days=i + 5)
+        submissions.append(Submission(
+            user_id=zhangsan.id, project_id=proj_d.id,
+            project_phase=PhaseGroup.PRE, work_type=WorkType.PLAN,
+            content_type=ContentType.DESIGN, total_seconds=0,
+            submit_to=SubmitTo.INTERNAL, description=f"剧本大纲第{i+1}稿",
+            submit_date=d,
+        ))
+
+    # 李四（制作组组长）主要做项目 A
+    for i in range(10):
+        d = base_date + timedelta(days=i)
+        secs = 45 + (i % 3) * 15  # 45-75秒
+        wt = WorkType.TEST if i < 2 else WorkType.PRODUCTION
+        submissions.append(Submission(
+            user_id=lisi.id, project_id=proj_a.id,
+            project_phase=PhaseGroup.PRODUCTION, work_type=wt,
+            content_type=ContentType.ANIMATION, total_seconds=secs,
+            duration_minutes=secs // 60, duration_seconds=secs % 60,
+            submit_to=SubmitTo.INTERNAL, description=f"第1集片段 - 场景{i+1}",
+            submit_date=d,
+        ))
+
+    # 王五（制作组）做项目 A 和 B
+    for i in range(8):
+        d = base_date + timedelta(days=i)
+        secs = 30 + (i % 4) * 20  # 30-90秒
+        submissions.append(Submission(
+            user_id=wangwu.id, project_id=proj_a.id,
+            project_phase=PhaseGroup.PRODUCTION, work_type=WorkType.PRODUCTION,
+            content_type=ContentType.ANIMATION, total_seconds=secs,
+            duration_minutes=secs // 60, duration_seconds=secs % 60,
+            submit_to=SubmitTo.LEADER, description=f"第2集动画片段{i+1}",
+            submit_date=d,
+        ))
+    for i in range(4):
+        d = base_date + timedelta(days=i + 8)
+        secs = 20 + i * 10
+        submissions.append(Submission(
+            user_id=wangwu.id, project_id=proj_b.id,
+            project_phase=PhaseGroup.PRODUCTION, work_type=WorkType.PRODUCTION,
+            content_type=ContentType.ANIMATION, total_seconds=secs,
+            duration_minutes=secs // 60, duration_seconds=secs % 60,
+            submit_to=SubmitTo.LEADER, description=f"TVC 片段{i+1}",
+            submit_date=d,
+        ))
+
+    # 赵六（制作组）做项目 A
+    for i in range(10):
+        d = base_date + timedelta(days=i)
+        secs = 50 + (i % 2) * 30  # 50-80秒
+        wt = WorkType.TEST if i < 1 else WorkType.PRODUCTION
+        submissions.append(Submission(
+            user_id=zhaoliu.id, project_id=proj_a.id,
+            project_phase=PhaseGroup.PRODUCTION, work_type=wt,
+            content_type=ContentType.ANIMATION, total_seconds=secs,
+            duration_minutes=secs // 60, duration_seconds=secs % 60,
+            submit_to=SubmitTo.LEADER, description=f"第3集场景动画{i+1}",
+            submit_date=d,
+        ))
+
+    # 孙七（后期组）剪辑
+    for i in range(3):
+        d = base_date + timedelta(days=i + 10)
+        submissions.append(Submission(
+            user_id=sunqi.id, project_id=proj_a.id,
+            project_phase=PhaseGroup.POST, work_type=WorkType.PRODUCTION,
+            content_type=ContentType.EDITING, total_seconds=0,
+            submit_to=SubmitTo.PRODUCER, description=f"第{i+1}集粗剪完成",
+            submit_date=d,
+        ))
+    # 后期补拍
+    submissions.append(Submission(
+        user_id=sunqi.id, project_id=proj_a.id,
+        project_phase=PhaseGroup.POST, work_type=WorkType.PRODUCTION,
+        content_type=ContentType.ANIMATION, total_seconds=15,
+        duration_seconds=15,
+        submit_to=SubmitTo.PRODUCER, description="第1集补拍修改镜头",
+        submit_date=base_date + timedelta(days=12),
+    ))
+
+    db.add_all(submissions)
+
+    # ── AI 工具成本 ──
+    db.add(AIToolCost(
+        tool_name="Midjourney", subscription_period=SubscriptionPeriod.MONTHLY,
+        amount=200, allocation_type=CostAllocationType.TEAM,
+        recorded_by=producer.id, record_date=date.today().replace(day=1),
+    ))
+    db.add(AIToolCost(
+        tool_name="Runway", subscription_period=SubscriptionPeriod.MONTHLY,
+        amount=600, allocation_type=CostAllocationType.PROJECT,
+        project_id=proj_a.id,
+        recorded_by=producer.id, record_date=date.today().replace(day=1),
+    ))
+
+    # ── 外包成本 ──
+    db.add(OutsourceCost(
+        project_id=proj_a.id, outsource_type=OutsourceType.ANIMATION,
+        episode_start=10, episode_end=13, amount=20000,
+        recorded_by=producer.id, record_date=date.today() - timedelta(days=5),
+    ))
+
+    db.commit()
+    print("[OK] seed data generated")
+    print(f"  - users: {len(users)}")
+    print(f"  - projects: 4")
+    print(f"  - submissions: {len(submissions)}")
+    print(f"  - default account: admin / admin123")
+
+
+if __name__ == "__main__":
+    seed()
--- a/frontend/.gitignore
+++ b/frontend/.gitignore
@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
--- a/frontend/.vscode/extensions.json
+++ b/frontend/.vscode/extensions.json
@ -0,0 +1,3 @@
+{
+  "recommendations": ["Vue.volar"]
+}
--- a/frontend/README.md
+++ b/frontend/README.md
@ -0,0 +1,5 @@
+# Vue 3 + Vite
+
+This template should help get you started developing with Vue 3 in Vite. The template uses Vue 3 `<script setup>` SFCs, check out the [script setup docs](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to learn more.
+
+Learn more about IDE Support for Vue in the [Vue Docs Scaling up Guide](https://vuejs.org/guide/scaling-up/tooling.html#ide-support).
--- a/frontend/index.html
+++ b/frontend/index.html
@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>frontend</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.js"></script>
+  </body>
+</html>
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
--- a/frontend/package.json
+++ b/frontend/package.json
@ -0,0 +1,24 @@
+{
+  "name": "frontend",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@element-plus/icons-vue": "^2.3.2",
+    "axios": "^1.13.5",
+    "echarts": "^6.0.0",
+    "element-plus": "^2.13.2",
+    "pinia": "^3.0.4",
+    "vue": "^3.5.25",
+    "vue-router": "^4.6.4"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^6.0.2",
+    "vite": "^7.3.1"
+  }
+}
--- a/frontend/public/vite.svg
+++ b/frontend/public/vite.svg
@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@ -0,0 +1,8 @@
+<template>
+  <router-view />
+</template>
+
+<style>
+* { margin: 0; padding: 0; box-sizing: border-box; }
+body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; }
+</style>
--- a/frontend/src/api/index.js
+++ b/frontend/src/api/index.js
@ -0,0 +1,85 @@
+import axios from 'axios'
+import { ElMessage } from 'element-plus'
+import router from '../router'
+
+const api = axios.create({
+  baseURL: '/api',
+  timeout: 30000,
+})
+
+// 请求拦截：自动带 token
+api.interceptors.request.use(config => {
+  const token = localStorage.getItem('token')
+  if (token) {
+    config.headers.Authorization = `Bearer ${token}`
+  }
+  return config
+})
+
+// 响应拦截：统一错误处理
+api.interceptors.response.use(
+  res => res.data,
+  err => {
+    const msg = err.response?.data?.detail || '请求失败'
+    if (err.response?.status === 401) {
+      localStorage.removeItem('token')
+      router.push('/login')
+      ElMessage.error('登录已过期，请重新登录')
+    } else {
+      ElMessage.error(msg)
+    }
+    return Promise.reject(err)
+  }
+)
+
+export default api
+
+// ── 认证 ──
+export const authApi = {
+  login: (data) => api.post('/auth/login', data),
+  me: () => api.get('/auth/me'),
+}
+
+// ── 用户 ──
+export const userApi = {
+  list: () => api.get('/users/'),
+  create: (data) => api.post('/users/', data),
+  update: (id, data) => api.put(`/users/${id}`, data),
+  get: (id) => api.get(`/users/${id}`),
+}
+
+// ── 项目 ──
+export const projectApi = {
+  list: (params) => api.get('/projects/', { params }),
+  create: (data) => api.post('/projects/', data),
+  update: (id, data) => api.put(`/projects/${id}`, data),
+  get: (id) => api.get(`/projects/${id}`),
+  complete: (id) => api.post(`/projects/${id}/complete`),
+  settlement: (id) => api.get(`/projects/${id}/settlement`),
+  efficiency: (id) => api.get(`/projects/${id}/efficiency`),
+}
+
+// ── 内容提交 ──
+export const submissionApi = {
+  list: (params) => api.get('/submissions/', { params }),
+  create: (data) => api.post('/submissions/', data),
+  update: (id, data) => api.put(`/submissions/${id}`, data),
+  history: (id) => api.get(`/submissions/${id}/history`),
+}
+
+// ── 成本 ──
+export const costApi = {
+  listAITools: () => api.get('/costs/ai-tools'),
+  createAITool: (data) => api.post('/costs/ai-tools', data),
+  deleteAITool: (id) => api.delete(`/costs/ai-tools/${id}`),
+  listOutsource: (params) => api.get('/costs/outsource', { params }),
+  createOutsource: (data) => api.post('/costs/outsource', data),
+  deleteOutsource: (id) => api.delete(`/costs/outsource/${id}`),
+  createOverride: (data) => api.post('/costs/overrides', data),
+  listOverrides: (params) => api.get('/costs/overrides', { params }),
+}
+
+// ── 仪表盘 ──
+export const dashboardApi = {
+  get: () => api.get('/dashboard'),
+}
--- a/frontend/src/assets/vue.svg
+++ b/frontend/src/assets/vue.svg
@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="37.07" height="36" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 198"><path fill="#41B883" d="M204.8 0H256L128 220.8L0 0h97.92L128 51.2L157.44 0h47.36Z"></path><path fill="#41B883" d="m0 0l128 220.8L256 0h-51.2L128 132.48L50.56 0H0Z"></path><path fill="#35495E" d="M50.56 0L128 133.12L204.8 0h-47.36L128 51.2L97.92 0H50.56Z"></path></svg>
--- a/frontend/src/components/HelloWorld.vue
+++ b/frontend/src/components/HelloWorld.vue
@ -0,0 +1,43 @@
+<script setup>
+import { ref } from 'vue'
+
+defineProps({
+  msg: String,
+})
+
+const count = ref(0)
+</script>
+
+<template>
+  <h1>{{ msg }}</h1>
+
+  <div class="card">
+    <button type="button" @click="count++">count is {{ count }}</button>
+    <p>
+      Edit
+      <code>components/HelloWorld.vue</code> to test HMR
+    </p>
+  </div>
+
+  <p>
+    Check out
+    <a href="https://vuejs.org/guide/quick-start.html#local" target="_blank"
+      >create-vue</a
+    >, the official Vue + Vite starter
+  </p>
+  <p>
+    Learn more about IDE Support for Vue in the
+    <a
+      href="https://vuejs.org/guide/scaling-up/tooling.html#ide-support"
+      target="_blank"
+      >Vue Docs Scaling up Guide</a
+    >.
+  </p>
+  <p class="read-the-docs">Click on the Vite and Vue logos to learn more</p>
+</template>
+
+<style scoped>
+.read-the-docs {
+  color: #888;
+}
+</style>
--- a/frontend/src/components/Layout.vue
+++ b/frontend/src/components/Layout.vue
@ -0,0 +1,121 @@
+<template>
+  <el-container class="layout">
+    <!-- 侧边栏 -->
+    <el-aside :width="isCollapsed ? '64px' : '220px'" class="aside">
+      <div class="logo" @click="isCollapsed = !isCollapsed">
+        <el-icon :size="24"><DataAnalysis /></el-icon>
+        <span v-show="!isCollapsed" class="logo-text">AirLabs</span>
+      </div>
+      <el-menu
+        :default-active="$route.path"
+        :collapse="isCollapsed"
+        router
+        background-color="#1d1e2c"
+        text-color="#a0a3bd"
+        active-text-color="#ffffff"
+        class="side-menu"
+      >
+        <el-menu-item v-if="authStore.isOwner()" index="/dashboard">
+          <el-icon><Odometer /></el-icon>
+          <span>仪表盘</span>
+        </el-menu-item>
+        <el-menu-item index="/projects">
+          <el-icon><FolderOpened /></el-icon>
+          <span>项目管理</span>
+        </el-menu-item>
+        <el-menu-item index="/submissions">
+          <el-icon><EditPen /></el-icon>
+          <span>内容提交</span>
+        </el-menu-item>
+        <el-menu-item v-if="authStore.isLeaderOrAbove()" index="/costs">
+          <el-icon><Money /></el-icon>
+          <span>成本管理</span>
+        </el-menu-item>
+        <el-menu-item v-if="authStore.isOwner()" index="/users">
+          <el-icon><User /></el-icon>
+          <span>用户管理</span>
+        </el-menu-item>
+      </el-menu>
+    </el-aside>
+
+    <!-- 主内容区 -->
+    <el-container>
+      <el-header class="header">
+        <div class="header-left">
+          <el-breadcrumb separator="/">
+            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
+            <el-breadcrumb-item>{{ $route.name }}</el-breadcrumb-item>
+          </el-breadcrumb>
+        </div>
+        <div class="header-right">
+          <el-tag :type="roleTagType" size="small" class="role-tag">{{ authStore.user?.role }}</el-tag>
+          <span class="user-name">{{ authStore.user?.name }}</span>
+          <el-button text @click="handleLogout">
+            <el-icon><SwitchButton /></el-icon>
+          </el-button>
+        </div>
+      </el-header>
+      <el-main class="main">
+        <router-view />
+      </el-main>
+    </el-container>
+  </el-container>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { useRouter } from 'vue-router'
+import { useAuthStore } from '../stores/auth'
+
+const router = useRouter()
+const authStore = useAuthStore()
+const isCollapsed = ref(false)
+
+const roleTagType = computed(() => {
+  const map = { 'Owner': 'danger', '主管': 'warning', '组长': '', '成员': 'info' }
+  return map[authStore.user?.role] || 'info'
+})
+
+onMounted(async () => {
+  if (authStore.token && !authStore.user) {
+    await authStore.fetchUser()
+  }
+})
+
+function handleLogout() {
+  authStore.logout()
+  router.push('/login')
+}
+</script>
+
+<style scoped>
+.layout { height: 100vh; }
+.aside {
+  background: #1d1e2c;
+  transition: width 0.3s;
+  overflow: hidden;
+}
+.logo {
+  height: 60px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  color: #fff;
+  cursor: pointer;
+  border-bottom: 1px solid #2d2e3e;
+}
+.logo-text { font-size: 18px; font-weight: 700; letter-spacing: 2px; }
+.side-menu { border-right: none; }
+.header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  border-bottom: 1px solid #e8e8e8;
+  background: #fff;
+}
+.header-right { display: flex; align-items: center; gap: 12px; }
+.user-name { font-size: 14px; color: #333; }
+.role-tag { margin-right: 4px; }
+.main { background: #f5f7fa; min-height: 0; }
+</style>
--- a/frontend/src/main.js
+++ b/frontend/src/main.js
@ -0,0 +1,20 @@
+import { createApp } from 'vue'
+import { createPinia } from 'pinia'
+import ElementPlus from 'element-plus'
+import 'element-plus/dist/index.css'
+import zhCn from 'element-plus/es/locale/lang/zh-cn'
+import * as ElementPlusIconsVue from '@element-plus/icons-vue'
+import App from './App.vue'
+import router from './router'
+
+const app = createApp(App)
+
+// 注册所有图标
+for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
+  app.component(key, component)
+}
+
+app.use(createPinia())
+app.use(ElementPlus, { locale: zhCn })
+app.use(router)
+app.mount('#app')
--- a/frontend/src/router/index.js
+++ b/frontend/src/router/index.js
@ -0,0 +1,38 @@
+import { createRouter, createWebHistory } from 'vue-router'
+
+const routes = [
+  { path: '/login', name: 'Login', component: () => import('../views/Login.vue'), meta: { public: true } },
+  {
+    path: '/',
+    component: () => import('../components/Layout.vue'),
+    redirect: '/dashboard',
+    children: [
+      { path: 'dashboard', name: 'Dashboard', component: () => import('../views/Dashboard.vue'), meta: { roles: ['Owner'] } },
+      { path: 'projects', name: 'Projects', component: () => import('../views/Projects.vue') },
+      { path: 'projects/:id', name: 'ProjectDetail', component: () => import('../views/ProjectDetail.vue') },
+      { path: 'submissions', name: 'Submissions', component: () => import('../views/Submissions.vue') },
+      { path: 'costs', name: 'Costs', component: () => import('../views/Costs.vue'), meta: { roles: ['Owner', '主管', '组长'] } },
+      { path: 'users', name: 'Users', component: () => import('../views/Users.vue'), meta: { roles: ['Owner'] } },
+      { path: 'settlement/:id', name: 'Settlement', component: () => import('../views/Settlement.vue'), meta: { roles: ['Owner'] } },
+    ],
+  },
+]
+
+const router = createRouter({
+  history: createWebHistory(),
+  routes,
+})
+
+// 路由守卫
+router.beforeEach(async (to, from, next) => {
+  const token = localStorage.getItem('token')
+  if (to.meta.public) {
+    next()
+  } else if (!token) {
+    next('/login')
+  } else {
+    next()
+  }
+})
+
+export default router
--- a/frontend/src/stores/auth.js
+++ b/frontend/src/stores/auth.js
@ -0,0 +1,35 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import { authApi } from '../api'
+
+export const useAuthStore = defineStore('auth', () => {
+  const user = ref(null)
+  const token = ref(localStorage.getItem('token') || '')
+
+  async function login(username, password) {
+    const res = await authApi.login({ username, password })
+    token.value = res.access_token
+    localStorage.setItem('token', res.access_token)
+    await fetchUser()
+  }
+
+  async function fetchUser() {
+    try {
+      user.value = await authApi.me()
+    } catch {
+      logout()
+    }
+  }
+
+  function logout() {
+    user.value = null
+    token.value = ''
+    localStorage.removeItem('token')
+  }
+
+  const isOwner = () => user.value?.role === 'Owner'
+  const isSupervisor = () => ['Owner', '主管'].includes(user.value?.role)
+  const isLeaderOrAbove = () => ['Owner', '主管', '组长'].includes(user.value?.role)
+
+  return { user, token, login, fetchUser, logout, isOwner, isSupervisor, isLeaderOrAbove }
+})
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@ -0,0 +1,79 @@
+:root {
+  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+
+  color-scheme: light dark;
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #242424;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+body {
+  margin: 0;
+  display: flex;
+  place-items: center;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+h1 {
+  font-size: 3.2em;
+  line-height: 1.1;
+}
+
+button {
+  border-radius: 8px;
+  border: 1px solid transparent;
+  padding: 0.6em 1.2em;
+  font-size: 1em;
+  font-weight: 500;
+  font-family: inherit;
+  background-color: #1a1a1a;
+  cursor: pointer;
+  transition: border-color 0.25s;
+}
+button:hover {
+  border-color: #646cff;
+}
+button:focus,
+button:focus-visible {
+  outline: 4px auto -webkit-focus-ring-color;
+}
+
+.card {
+  padding: 2em;
+}
+
+#app {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 2rem;
+  text-align: center;
+}
+
+@media (prefers-color-scheme: light) {
+  :root {
+    color: #213547;
+    background-color: #ffffff;
+  }
+  a:hover {
+    color: #747bff;
+  }
+  button {
+    background-color: #f9f9f9;
+  }
+}
--- a/frontend/src/views/Costs.vue
+++ b/frontend/src/views/Costs.vue
@ -0,0 +1,156 @@
+<template>
+  <div>
+    <h2 class="page-title">成本管理</h2>
+
+    <el-tabs v-model="activeTab">
+      <!-- AI 工具成本 -->
+      <el-tab-pane label="AI 工具成本" name="ai">
+        <div class="tab-header">
+          <el-button type="primary" size="small" @click="showAIForm = true"><el-icon><Plus /></el-icon> 新增</el-button>
+        </div>
+        <el-table :data="aiCosts" v-loading="loadingAI" stripe size="small">
+          <el-table-column prop="tool_name" label="工具名称" width="140" />
+          <el-table-column prop="subscription_period" label="周期" width="60" />
+          <el-table-column label="金额" width="100" align="right">
+            <template #default="{row}">¥{{ row.amount.toLocaleString() }}</template>
+          </el-table-column>
+          <el-table-column prop="allocation_type" label="归属方式" width="120" />
+          <el-table-column prop="record_date" label="录入日期" width="110" />
+          <el-table-column label="操作" width="80" v-if="authStore.isOwner()">
+            <template #default="{row}"><el-button text type="danger" size="small" @click="deleteAI(row.id)">删除</el-button></template>
+          </el-table-column>
+        </el-table>
+      </el-tab-pane>
+
+      <!-- 外包成本 -->
+      <el-tab-pane label="外包成本" name="outsource">
+        <div class="tab-header">
+          <el-button type="primary" size="small" @click="showOutForm = true"><el-icon><Plus /></el-icon> 新增</el-button>
+        </div>
+        <el-table :data="outCosts" v-loading="loadingOut" stripe size="small">
+          <el-table-column label="项目" width="160">
+            <template #default="{row}">{{ projectMap[row.project_id] || row.project_id }}</template>
+          </el-table-column>
+          <el-table-column prop="outsource_type" label="类型" width="80" />
+          <el-table-column label="集数范围" width="100">
+            <template #default="{row}">{{ row.episode_start && row.episode_end ? `第${row.episode_start}-${row.episode_end}集` : '—' }}</template>
+          </el-table-column>
+          <el-table-column label="金额" width="100" align="right">
+            <template #default="{row}">¥{{ row.amount.toLocaleString() }}</template>
+          </el-table-column>
+          <el-table-column prop="record_date" label="录入日期" width="110" />
+          <el-table-column label="操作" width="80" v-if="authStore.isOwner()">
+            <template #default="{row}"><el-button text type="danger" size="small" @click="deleteOut(row.id)">删除</el-button></template>
+          </el-table-column>
+        </el-table>
+      </el-tab-pane>
+    </el-tabs>
+
+    <!-- AI 工具新增弹窗 -->
+    <el-dialog v-model="showAIForm" title="新增 AI 工具成本" width="480px" destroy-on-close>
+      <el-form :model="aiForm" label-width="100px">
+        <el-form-item label="工具名称"><el-input v-model="aiForm.tool_name" /></el-form-item>
+        <el-form-item label="订阅周期">
+          <el-select v-model="aiForm.subscription_period" style="width:100%">
+            <el-option label="月" value="月" /><el-option label="年" value="年" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="费用金额"><el-input-number v-model="aiForm.amount" :min="0" :controls="false" style="width:100%" /></el-form-item>
+        <el-form-item label="归属方式">
+          <el-select v-model="aiForm.allocation_type" style="width:100%">
+            <el-option label="指定项目" value="指定项目" />
+            <el-option label="内容组整体" value="内容组整体" />
+            <el-option label="手动分摊" value="手动分摊" />
+          </el-select>
+        </el-form-item>
+        <el-form-item v-if="aiForm.allocation_type === '指定项目'" label="指定项目">
+          <el-select v-model="aiForm.project_id" style="width:100%">
+            <el-option v-for="p in projects" :key="p.id" :label="p.name" :value="p.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="录入日期"><el-date-picker v-model="aiForm.record_date" value-format="YYYY-MM-DD" style="width:100%" /></el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showAIForm = false">取消</el-button>
+        <el-button type="primary" @click="createAI">保存</el-button>
+      </template>
+    </el-dialog>
+
+    <!-- 外包新增弹窗 -->
+    <el-dialog v-model="showOutForm" title="新增外包成本" width="480px" destroy-on-close>
+      <el-form :model="outForm" label-width="100px">
+        <el-form-item label="所属项目">
+          <el-select v-model="outForm.project_id" style="width:100%">
+            <el-option v-for="p in projects" :key="p.id" :label="p.name" :value="p.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="外包类型">
+          <el-select v-model="outForm.outsource_type" style="width:100%">
+            <el-option label="动画" value="动画" /><el-option label="剪辑" value="剪辑" /><el-option label="整集" value="整集" />
+          </el-select>
+        </el-form-item>
+        <el-row :gutter="16">
+          <el-col :span="12"><el-form-item label="起始集"><el-input-number v-model="outForm.episode_start" :min="1" style="width:100%" /></el-form-item></el-col>
+          <el-col :span="12"><el-form-item label="结束集"><el-input-number v-model="outForm.episode_end" :min="1" style="width:100%" /></el-form-item></el-col>
+        </el-row>
+        <el-form-item label="金额"><el-input-number v-model="outForm.amount" :min="0" :controls="false" style="width:100%" /></el-form-item>
+        <el-form-item label="录入日期"><el-date-picker v-model="outForm.record_date" value-format="YYYY-MM-DD" style="width:100%" /></el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showOutForm = false">取消</el-button>
+        <el-button type="primary" @click="createOut">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, reactive, onMounted } from 'vue'
+import { costApi, projectApi } from '../api'
+import { useAuthStore } from '../stores/auth'
+import { ElMessage, ElMessageBox } from 'element-plus'
+
+const authStore = useAuthStore()
+const activeTab = ref('ai')
+const loadingAI = ref(false)
+const loadingOut = ref(false)
+const aiCosts = ref([])
+const outCosts = ref([])
+const projects = ref([])
+const showAIForm = ref(false)
+const showOutForm = ref(false)
+
+const projectMap = computed(() => {
+  const m = {}; projects.value.forEach(p => m[p.id] = p.name); return m
+})
+
+const today = new Date().toISOString().split('T')[0]
+const aiForm = reactive({ tool_name: '', subscription_period: '月', amount: 0, allocation_type: '内容组整体', project_id: null, record_date: today })
+const outForm = reactive({ project_id: null, outsource_type: '动画', episode_start: 1, episode_end: 1, amount: 0, record_date: today })
+
+async function loadAI() { loadingAI.value = true; try { aiCosts.value = await costApi.listAITools() } finally { loadingAI.value = false } }
+async function loadOut() { loadingOut.value = true; try { outCosts.value = await costApi.listOutsource({}) } finally { loadingOut.value = false } }
+
+async function createAI() {
+  await costApi.createAITool(aiForm); ElMessage.success('已添加'); showAIForm.value = false; loadAI()
+}
+async function createOut() {
+  await costApi.createOutsource(outForm); ElMessage.success('已添加'); showOutForm.value = false; loadOut()
+}
+async function deleteAI(id) {
+  await ElMessageBox.confirm('确认删除？'); await costApi.deleteAITool(id); ElMessage.success('已删除'); loadAI()
+}
+async function deleteOut(id) {
+  await ElMessageBox.confirm('确认删除？'); await costApi.deleteOutsource(id); ElMessage.success('已删除'); loadOut()
+}
+
+onMounted(async () => {
+  loadAI(); loadOut()
+  try { projects.value = await projectApi.list({}) } catch {}
+})
+</script>
+
+<style scoped>
+.page-title { font-size: 20px; font-weight: 600; margin-bottom: 16px; }
+.tab-header { margin-bottom: 12px; }
+</style>
--- a/frontend/src/views/Dashboard.vue
+++ b/frontend/src/views/Dashboard.vue
@ -0,0 +1,147 @@
+<template>
+  <div class="dashboard" v-loading="loading">
+    <h2 class="page-title">仪表盘</h2>
+
+    <!-- 顶部统计卡片 -->
+    <el-row :gutter="16" class="stat-row">
+      <el-col :span="6">
+        <el-card shadow="hover" class="stat-card">
+          <div class="stat-label">进行中项目</div>
+          <div class="stat-value blue">{{ data.active_projects }}</div>
+        </el-card>
+      </el-col>
+      <el-col :span="6">
+        <el-card shadow="hover" class="stat-card">
+          <div class="stat-label">本月人力成本</div>
+          <div class="stat-value orange">¥{{ formatNum(data.monthly_labor_cost) }}</div>
+        </el-card>
+      </el-col>
+      <el-col :span="6">
+        <el-card shadow="hover" class="stat-card">
+          <div class="stat-label">本月产出</div>
+          <div class="stat-value green">{{ formatSecs(data.monthly_total_seconds) }}</div>
+        </el-card>
+      </el-col>
+      <el-col :span="6">
+        <el-card shadow="hover" class="stat-card">
+          <div class="stat-label">人均日产出</div>
+          <div class="stat-value purple">{{ formatSecs(data.avg_daily_seconds_per_person) }}</div>
+        </el-card>
+      </el-col>
+    </el-row>
+
+    <!-- 项目进度 -->
+    <el-card class="section-card">
+      <template #header>
+        <span class="section-title">项目进度一览</span>
+      </template>
+      <div v-for="p in data.projects" :key="p.id" class="project-row" @click="$router.push(`/projects/${p.id}`)">
+        <div class="project-info">
+          <span class="project-name">{{ p.name }}</span>
+          <el-tag size="small" :type="typeTagMap[p.project_type]">{{ p.project_type }}</el-tag>
+          <el-tag v-if="p.is_overdue" size="small" type="danger">超期</el-tag>
+        </div>
+        <div class="project-progress">
+          <el-progress
+            :percentage="Math.min(p.progress_percent, 100)"
+            :color="p.is_overdue ? '#f56c6c' : '#67c23a'"
+            :stroke-width="14"
+            :text-inside="true"
+            :format="() => p.progress_percent + '%'"
+          />
+          <span class="progress-detail">{{ formatSecs(p.submitted_seconds) }} / {{ formatSecs(p.target_seconds) }}</span>
+        </div>
+      </div>
+      <el-empty v-if="!data.projects?.length" description="暂无进行中的项目" />
+    </el-card>
+
+    <el-row :gutter="16">
+      <!-- 损耗排行 -->
+      <el-col :span="12">
+        <el-card class="section-card">
+          <template #header><span class="section-title">损耗排行</span></template>
+          <el-table :data="data.waste_ranking" size="small" stripe>
+            <el-table-column prop="project_name" label="项目" />
+            <el-table-column label="损耗秒数" align="right">
+              <template #default="{ row }">{{ formatSecs(row.waste_seconds) }}</template>
+            </el-table-column>
+            <el-table-column label="损耗率" align="right" width="100">
+              <template #default="{ row }">
+                <span :style="{ color: row.waste_rate > 30 ? '#f56c6c' : '#333' }">{{ row.waste_rate }}%</span>
+              </template>
+            </el-table-column>
+          </el-table>
+        </el-card>
+      </el-col>
+
+      <!-- 已结算项目 -->
+      <el-col :span="12">
+        <el-card class="section-card">
+          <template #header><span class="section-title">已结算项目</span></template>
+          <el-table :data="data.settled_projects" size="small" stripe>
+            <el-table-column prop="project_name" label="项目" />
+            <el-table-column label="总成本" align="right">
+              <template #default="{ row }">¥{{ formatNum(row.total_cost) }}</template>
+            </el-table-column>
+            <el-table-column label="盈亏" align="right">
+              <template #default="{ row }">
+                <span v-if="row.profit_loss != null" :style="{ color: row.profit_loss >= 0 ? '#67c23a' : '#f56c6c', fontWeight: 600 }">
+                  {{ row.profit_loss >= 0 ? '+' : '' }}¥{{ formatNum(row.profit_loss) }}
+                </span>
+                <span v-else style="color:#999">—</span>
+              </template>
+            </el-table-column>
+          </el-table>
+        </el-card>
+      </el-col>
+    </el-row>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { dashboardApi } from '../api'
+
+const loading = ref(false)
+const data = ref({})
+const typeTagMap = {
+  '客户正式项目': 'success',
+  '客户测试项目': 'warning',
+  '内部原创项目': '',
+  '内部测试项目': 'info',
+}
+
+function formatNum(n) { return (n || 0).toLocaleString('zh-CN', { maximumFractionDigits: 0 }) }
+function formatSecs(s) {
+  if (!s) return '0秒'
+  const m = Math.floor(s / 60)
+  const sec = Math.round(s % 60)
+  return m > 0 ? `${m}分${sec > 0 ? sec + '秒' : ''}` : `${sec}秒`
+}
+
+onMounted(async () => {
+  loading.value = true
+  try { data.value = await dashboardApi.get() } finally { loading.value = false }
+})
+</script>
+
+<style scoped>
+.page-title { font-size: 20px; font-weight: 600; margin-bottom: 16px; }
+.stat-row { margin-bottom: 16px; }
+.stat-card { text-align: center; }
+.stat-label { font-size: 13px; color: #909399; margin-bottom: 8px; }
+.stat-value { font-size: 28px; font-weight: 700; }
+.stat-value.blue { color: #409eff; }
+.stat-value.orange { color: #e6a23c; }
+.stat-value.green { color: #67c23a; }
+.stat-value.purple { color: #9b59b6; }
+.section-card { margin-bottom: 16px; }
+.section-title { font-weight: 600; }
+.project-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid #f0f0f0; cursor: pointer; }
+.project-row:hover { background: #fafafa; }
+.project-info { display: flex; align-items: center; gap: 8px; min-width: 260px; }
+.project-name { font-weight: 500; }
+.project-progress { flex: 1; display: flex; align-items: center; gap: 12px; }
+.project-progress .el-progress { flex: 1; }
+.progress-detail { font-size: 12px; color: #909399; white-space: nowrap; }
+</style>
--- a/frontend/src/views/Login.vue
+++ b/frontend/src/views/Login.vue
@ -0,0 +1,75 @@
+<template>
+  <div class="login-page">
+    <div class="login-card">
+      <div class="login-header">
+        <el-icon :size="36" color="#409eff"><DataAnalysis /></el-icon>
+        <h1>AirLabs Project</h1>
+        <p>内容组项目管理系统</p>
+      </div>
+      <el-form :model="form" @submit.prevent="handleLogin" class="login-form">
+        <el-form-item>
+          <el-input v-model="form.username" placeholder="用户名" prefix-icon="User" size="large" />
+        </el-form-item>
+        <el-form-item>
+          <el-input v-model="form.password" placeholder="密码" prefix-icon="Lock" type="password" size="large" show-password />
+        </el-form-item>
+        <el-button type="primary" size="large" :loading="loading" @click="handleLogin" style="width:100%">
+          登 录
+        </el-button>
+      </el-form>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { reactive, ref } from 'vue'
+import { useRouter } from 'vue-router'
+import { useAuthStore } from '../stores/auth'
+import { ElMessage } from 'element-plus'
+
+const router = useRouter()
+const authStore = useAuthStore()
+const loading = ref(false)
+const form = reactive({ username: '', password: '' })
+
+async function handleLogin() {
+  if (!form.username || !form.password) {
+    ElMessage.warning('请输入用户名和密码')
+    return
+  }
+  loading.value = true
+  try {
+    await authStore.login(form.username, form.password)
+    ElMessage.success(`欢迎，${authStore.user?.name}`)
+    router.push('/')
+  } catch {
+    // 错误已在拦截器处理
+  } finally {
+    loading.value = false
+  }
+}
+</script>
+
+<style scoped>
+.login-page {
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(135deg, #1d1e2c 0%, #2d3a5c 100%);
+}
+.login-card {
+  width: 400px;
+  padding: 40px;
+  background: #fff;
+  border-radius: 12px;
+  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
+}
+.login-header {
+  text-align: center;
+  margin-bottom: 32px;
+}
+.login-header h1 { font-size: 24px; margin: 12px 0 4px; color: #1d1e2c; }
+.login-header p { color: #999; font-size: 14px; }
+.login-form { margin-top: 8px; }
+</style>
--- a/frontend/src/views/ProjectDetail.vue
+++ b/frontend/src/views/ProjectDetail.vue
@ -0,0 +1,154 @@
+<template>
+  <div v-loading="loading">
+    <div class="page-header">
+      <div>
+        <el-button text @click="$router.push('/projects')"><el-icon><ArrowLeft /></el-icon> 返回</el-button>
+        <h2 style="display:inline; margin-left:8px">{{ project.name }}</h2>
+        <el-tag :type="typeTagMap[project.project_type]" style="margin-left:8px">{{ project.project_type }}</el-tag>
+        <el-tag :type="project.status === '已完成' ? 'success' : ''" style="margin-left:4px">{{ project.status }}</el-tag>
+      </div>
+      <el-space>
+        <el-button v-if="authStore.isOwner() && project.status === '制作中'" type="danger" @click="handleComplete">
+          确认完成结算
+        </el-button>
+        <el-button v-if="authStore.isOwner() && project.status === '已完成'" type="primary" @click="$router.push(`/settlement/${project.id}`)">
+          查看结算报告
+        </el-button>
+      </el-space>
+    </div>
+
+    <!-- 项目概览 -->
+    <el-row :gutter="16" class="stat-row">
+      <el-col :span="6">
+        <el-card shadow="hover"><div class="stat-label">目标时长</div><div class="stat-value">{{ formatSecs(project.target_total_seconds) }}</div></el-card>
+      </el-col>
+      <el-col :span="6">
+        <el-card shadow="hover"><div class="stat-label">已提交</div><div class="stat-value">{{ formatSecs(project.total_submitted_seconds) }}</div></el-card>
+      </el-col>
+      <el-col :span="6">
+        <el-card shadow="hover"><div class="stat-label">完成进度</div><div class="stat-value" :style="{color: project.progress_percent > 100 ? '#e6a23c' : '#409eff'}">{{ project.progress_percent }}%</div></el-card>
+      </el-col>
+      <el-col :span="6">
+        <el-card shadow="hover"><div class="stat-label">损耗率</div><div class="stat-value" :style="{color: project.waste_rate > 30 ? '#f56c6c' : '#67c23a'}">{{ project.waste_rate }}%</div></el-card>
+      </el-col>
+    </el-row>
+
+    <!-- 进度条 -->
+    <el-card class="section-card">
+      <template #header><span class="section-title">项目进度</span></template>
+      <el-progress :percentage="Math.min(project.progress_percent, 100)" :stroke-width="20" :text-inside="true"
+        :format="() => project.progress_percent + '%'"
+        :color="progressColor" style="margin-bottom:12px" />
+      <div class="meta-row">
+        <span>目标：{{ project.episode_count }}集 × {{ project.episode_duration_minutes }}分 = {{ formatSecs(project.target_total_seconds) }}</span>
+        <span v-if="project.estimated_completion_date">预估完成：{{ project.estimated_completion_date }}</span>
+      </div>
+    </el-card>
+
+    <!-- 团队效率 -->
+    <el-card v-if="authStore.isLeaderOrAbove() && efficiency.length" class="section-card">
+      <template #header><span class="section-title">团队效率（人均基准对比）</span></template>
+      <el-table :data="efficiency" size="small" stripe>
+        <el-table-column prop="user_name" label="成员" width="100" />
+        <el-table-column label="提交总秒数" align="right"><template #default="{row}">{{ formatSecs(row.total_seconds) }}</template></el-table-column>
+        <el-table-column label="人均基准" align="right"><template #default="{row}">{{ formatSecs(row.baseline) }}</template></el-table-column>
+        <el-table-column label="超出基准" align="right">
+          <template #default="{row}">
+            <span :style="{color: row.excess_seconds > 0 ? '#f56c6c' : '#67c23a'}">
+              {{ row.excess_seconds > 0 ? '+' : '' }}{{ formatSecs(row.excess_seconds) }}
+            </span>
+          </template>
+        </el-table-column>
+        <el-table-column label="超出比例" align="right" width="100">
+          <template #default="{row}">
+            <span :style="{color: row.excess_rate > 20 ? '#f56c6c' : '#333'}">{{ row.excess_rate > 0 ? '+' : '' }}{{ row.excess_rate }}%</span>
+          </template>
+        </el-table-column>
+      </el-table>
+    </el-card>
+
+    <!-- 提交记录 -->
+    <el-card class="section-card">
+      <template #header><span class="section-title">提交记录</span></template>
+      <el-table :data="submissions" size="small" stripe>
+        <el-table-column prop="submit_date" label="日期" width="110" />
+        <el-table-column prop="user_name" label="提交人" width="80" />
+        <el-table-column prop="project_phase" label="阶段" width="70" />
+        <el-table-column prop="work_type" label="工作类型" width="80">
+          <template #default="{row}">
+            <el-tag :type="row.work_type === '测试' ? 'warning' : ''" size="small">{{ row.work_type }}</el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column prop="content_type" label="内容类型" width="90" />
+        <el-table-column label="产出时长" width="90" align="right">
+          <template #default="{row}">{{ row.total_seconds > 0 ? formatSecs(row.total_seconds) : '—' }}</template>
+        </el-table-column>
+        <el-table-column prop="description" label="描述" show-overflow-tooltip />
+      </el-table>
+    </el-card>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { projectApi, submissionApi } from '../api'
+import { useAuthStore } from '../stores/auth'
+import { ElMessage, ElMessageBox } from 'element-plus'
+
+const route = useRoute()
+const router = useRouter()
+const authStore = useAuthStore()
+const loading = ref(false)
+const project = ref({})
+const submissions = ref([])
+const efficiency = ref([])
+const typeTagMap = { '客户正式项目': 'success', '客户测试项目': 'warning', '内部原创项目': '', '内部测试项目': 'info' }
+
+const progressColor = computed(() => {
+  if (project.value.progress_percent > 100) return '#e6a23c'
+  return '#67c23a'
+})
+
+function formatSecs(s) {
+  if (!s) return '0秒'
+  const abs = Math.abs(s)
+  const m = Math.floor(abs / 60)
+  const sec = Math.round(abs % 60)
+  const sign = s < 0 ? '-' : ''
+  return m > 0 ? `${sign}${m}分${sec > 0 ? sec + '秒' : ''}` : `${sign}${sec}秒`
+}
+
+async function load() {
+  loading.value = true
+  try {
+    const id = route.params.id
+    project.value = await projectApi.get(id)
+    submissions.value = await submissionApi.list({ project_id: id })
+    if (authStore.isLeaderOrAbove()) {
+      try { efficiency.value = await projectApi.efficiency(id) } catch {}
+    }
+  } finally { loading.value = false }
+}
+
+async function handleComplete() {
+  try {
+    await ElMessageBox.confirm('确认将此项目标记为完成并进行结算？此操作不可撤销。', '确认完成', { type: 'warning' })
+    await projectApi.complete(route.params.id)
+    ElMessage.success('项目已完成')
+    load()
+  } catch {}
+}
+
+onMounted(load)
+</script>
+
+<style scoped>
+.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
+.stat-row { margin-bottom: 16px; }
+.stat-label { font-size: 13px; color: #909399; margin-bottom: 4px; }
+.stat-value { font-size: 24px; font-weight: 700; }
+.section-card { margin-bottom: 16px; }
+.section-title { font-weight: 600; }
+.meta-row { display: flex; justify-content: space-between; font-size: 13px; color: #909399; }
+</style>
--- a/frontend/src/views/Projects.vue
+++ b/frontend/src/views/Projects.vue
@ -0,0 +1,146 @@
+<template>
+  <div>
+    <div class="page-header">
+      <h2>项目管理</h2>
+      <el-button v-if="authStore.isSupervisor()" type="primary" @click="showCreate = true">
+        <el-icon><Plus /></el-icon> 新建项目
+      </el-button>
+    </div>
+
+    <!-- 筛选 -->
+    <el-card class="filter-card">
+      <el-space>
+        <el-select v-model="filter.status" placeholder="状态" clearable style="width:130px" @change="load">
+          <el-option label="制作中" value="制作中" />
+          <el-option label="已完成" value="已完成" />
+        </el-select>
+        <el-select v-model="filter.project_type" placeholder="项目类型" clearable style="width:160px" @change="load">
+          <el-option v-for="t in projectTypes" :key="t" :label="t" :value="t" />
+        </el-select>
+      </el-space>
+    </el-card>
+
+    <!-- 项目列表 -->
+    <el-table :data="projects" v-loading="loading" stripe @row-click="row => $router.push(`/projects/${row.id}`)">
+      <el-table-column prop="name" label="项目名称" min-width="160" />
+      <el-table-column label="类型" width="140">
+        <template #default="{ row }">
+          <el-tag size="small" :type="typeTagMap[row.project_type]">{{ row.project_type }}</el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column label="状态" width="100">
+        <template #default="{ row }">
+          <el-tag size="small" :type="row.status === '已完成' ? 'success' : ''">{{ row.status }}</el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column prop="leader_name" label="负责人" width="100" />
+      <el-table-column label="目标" width="140">
+        <template #default="{ row }">{{ row.episode_count }}集 × {{ row.episode_duration_minutes }}分</template>
+      </el-table-column>
+      <el-table-column label="进度" width="180">
+        <template #default="{ row }">
+          <el-progress :percentage="Math.min(row.progress_percent, 100)" :stroke-width="10" :text-inside="true"
+            :format="() => row.progress_percent + '%'"
+            :color="row.progress_percent > 100 ? '#e6a23c' : '#409eff'" />
+        </template>
+      </el-table-column>
+      <el-table-column label="损耗率" width="90" align="right">
+        <template #default="{ row }">
+          <span :style="{ color: row.waste_rate > 30 ? '#f56c6c' : '#333' }">{{ row.waste_rate }}%</span>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <!-- 新建项目对话框 -->
+    <el-dialog v-model="showCreate" title="新建项目" width="560px" destroy-on-close>
+      <el-form :model="form" label-width="120px" label-position="left">
+        <el-form-item label="项目名称" required>
+          <el-input v-model="form.name" placeholder="输入项目名称" />
+        </el-form-item>
+        <el-form-item label="项目类型" required>
+          <el-select v-model="form.project_type" style="width:100%">
+            <el-option v-for="t in projectTypes" :key="t" :label="t" :value="t" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="负责人">
+          <el-select v-model="form.leader_id" placeholder="选择负责人" clearable style="width:100%">
+            <el-option v-for="u in users" :key="u.id" :label="u.name" :value="u.id" />
+          </el-select>
+        </el-form-item>
+        <el-row :gutter="16">
+          <el-col :span="12">
+            <el-form-item label="单集时长(分)" required>
+              <el-input-number v-model="form.episode_duration_minutes" :min="0.1" :step="0.5" style="width:100%" />
+            </el-form-item>
+          </el-col>
+          <el-col :span="12">
+            <el-form-item label="集数" required>
+              <el-input-number v-model="form.episode_count" :min="1" style="width:100%" />
+            </el-form-item>
+          </el-col>
+        </el-row>
+        <el-form-item label="预估完成日期">
+          <el-date-picker v-model="form.estimated_completion_date" value-format="YYYY-MM-DD" style="width:100%" />
+        </el-form-item>
+        <el-form-item v-if="form.project_type === '客户正式项目'" label="合同金额">
+          <el-input-number v-model="form.contract_amount" :min="0" :step="10000" :controls="false" style="width:100%" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showCreate = false">取消</el-button>
+        <el-button type="primary" :loading="creating" @click="handleCreate">创建</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted, reactive } from 'vue'
+import { projectApi, userApi } from '../api'
+import { useAuthStore } from '../stores/auth'
+import { ElMessage } from 'element-plus'
+
+const authStore = useAuthStore()
+const loading = ref(false)
+const creating = ref(false)
+const showCreate = ref(false)
+const projects = ref([])
+const users = ref([])
+const projectTypes = ['客户正式项目', '客户测试项目', '内部原创项目', '内部测试项目']
+const typeTagMap = { '客户正式项目': 'success', '客户测试项目': 'warning', '内部原创项目': '', '内部测试项目': 'info' }
+const filter = reactive({ status: null, project_type: null })
+const form = reactive({
+  name: '', project_type: '客户正式项目', leader_id: null,
+  episode_duration_minutes: 5, episode_count: 1,
+  estimated_completion_date: null, contract_amount: null,
+})
+
+async function load() {
+  loading.value = true
+  try { projects.value = await projectApi.list(filter) } finally { loading.value = false }
+}
+
+async function handleCreate() {
+  if (!form.name) { ElMessage.warning('请输入项目名称'); return }
+  creating.value = true
+  try {
+    await projectApi.create(form)
+    ElMessage.success('项目已创建')
+    showCreate.value = false
+    load()
+  } finally { creating.value = false }
+}
+
+onMounted(async () => {
+  load()
+  if (authStore.isLeaderOrAbove()) {
+    try { users.value = await userApi.list() } catch {}
+  }
+})
+</script>
+
+<style scoped>
+.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
+.page-header h2 { font-size: 20px; }
+.filter-card { margin-bottom: 16px; }
+</style>
--- a/frontend/src/views/Settlement.vue
+++ b/frontend/src/views/Settlement.vue
@ -0,0 +1,131 @@
+<template>
+  <div v-loading="loading">
+    <div class="page-header">
+      <el-button text @click="$router.back()"><el-icon><ArrowLeft /></el-icon> 返回</el-button>
+      <h2 style="display:inline;margin-left:8px">项目结算报告</h2>
+    </div>
+
+    <template v-if="data.project_name">
+      <!-- 项目基本信息 -->
+      <el-card class="section-card">
+        <template #header><span class="section-title">{{ data.project_name }}</span></template>
+        <el-descriptions :column="3" border size="small">
+          <el-descriptions-item label="项目类型">{{ data.project_type }}</el-descriptions-item>
+          <el-descriptions-item label="目标时长">{{ formatSecs(data.target_seconds) }}</el-descriptions-item>
+          <el-descriptions-item label="实际提交">{{ formatSecs(data.total_submitted_seconds) }}</el-descriptions-item>
+        </el-descriptions>
+      </el-card>
+
+      <!-- 成本汇总 -->
+      <el-row :gutter="16" class="stat-row">
+        <el-col :span="6">
+          <el-card shadow="hover"><div class="stat-label">人力成本</div><div class="stat-value">¥{{ fmt(data.labor_cost) }}</div></el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover"><div class="stat-label">AI 工具成本</div><div class="stat-value">¥{{ fmt(data.ai_tool_cost) }}</div></el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover"><div class="stat-label">外包成本</div><div class="stat-value">¥{{ fmt(data.outsource_cost) }}</div></el-card>
+        </el-col>
+        <el-col :span="6">
+          <el-card shadow="hover">
+            <div class="stat-label">项目总成本</div>
+            <div class="stat-value" style="color:#e6a23c">¥{{ fmt(data.total_cost) }}</div>
+          </el-card>
+        </el-col>
+      </el-row>
+
+      <!-- 盈亏（仅客户正式项目） -->
+      <el-card v-if="data.contract_amount != null" class="section-card">
+        <template #header><span class="section-title">项目盈亏</span></template>
+        <el-row :gutter="16">
+          <el-col :span="8">
+            <div class="big-stat"><div class="stat-label">合同金额</div><div class="stat-value" style="color:#409eff">¥{{ fmt(data.contract_amount) }}</div></div>
+          </el-col>
+          <el-col :span="8">
+            <div class="big-stat"><div class="stat-label">项目总成本</div><div class="stat-value" style="color:#e6a23c">¥{{ fmt(data.total_cost) }}</div></div>
+          </el-col>
+          <el-col :span="8">
+            <div class="big-stat">
+              <div class="stat-label">盈亏结果</div>
+              <div class="stat-value" :style="{color: data.profit_loss >= 0 ? '#67c23a' : '#f56c6c'}">
+                {{ data.profit_loss >= 0 ? '+' : '' }}¥{{ fmt(data.profit_loss) }}
+              </div>
+            </div>
+          </el-col>
+        </el-row>
+      </el-card>
+
+      <!-- 损耗分析 -->
+      <el-card class="section-card">
+        <template #header><span class="section-title">损耗分析</span></template>
+        <el-descriptions :column="2" border size="small">
+          <el-descriptions-item label="测试损耗">{{ formatSecs(data.test_waste_seconds) }}</el-descriptions-item>
+          <el-descriptions-item label="超产损耗">{{ formatSecs(data.overproduction_waste_seconds) }}</el-descriptions-item>
+          <el-descriptions-item label="总损耗">{{ formatSecs(data.total_waste_seconds) }}</el-descriptions-item>
+          <el-descriptions-item label="损耗率">
+            <span :style="{color: data.waste_rate > 30 ? '#f56c6c' : '#333', fontWeight:600}">{{ data.waste_rate }}%</span>
+          </el-descriptions-item>
+        </el-descriptions>
+      </el-card>
+
+      <!-- 团队效率 -->
+      <el-card v-if="data.team_efficiency?.length" class="section-card">
+        <template #header><span class="section-title">团队效率排行</span></template>
+        <el-table :data="data.team_efficiency" size="small" stripe>
+          <el-table-column prop="user_name" label="成员" width="100" />
+          <el-table-column label="提交总量" align="right"><template #default="{row}">{{ formatSecs(row.total_seconds) }}</template></el-table-column>
+          <el-table-column label="人均基准" align="right"><template #default="{row}">{{ formatSecs(row.baseline) }}</template></el-table-column>
+          <el-table-column label="超出" align="right">
+            <template #default="{row}">
+              <span :style="{color: row.excess_seconds > 0 ? '#f56c6c' : '#67c23a'}">
+                {{ row.excess_seconds > 0 ? '+' : '' }}{{ formatSecs(row.excess_seconds) }}
+              </span>
+            </template>
+          </el-table-column>
+          <el-table-column label="超出比例" align="right" width="100">
+            <template #default="{row}">
+              <span :style="{color: row.excess_rate > 20 ? '#f56c6c' : '#333'}">{{ row.excess_rate > 0 ? '+' : '' }}{{ row.excess_rate }}%</span>
+            </template>
+          </el-table-column>
+          <el-table-column prop="submission_count" label="提交次数" width="90" align="right" />
+        </el-table>
+      </el-card>
+    </template>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { useRoute } from 'vue-router'
+import { projectApi } from '../api'
+
+const route = useRoute()
+const loading = ref(false)
+const data = ref({})
+
+function fmt(n) { return (n || 0).toLocaleString('zh-CN', { maximumFractionDigits: 0 }) }
+function formatSecs(s) {
+  if (!s) return '0秒'
+  const abs = Math.abs(s)
+  const m = Math.floor(abs / 60)
+  const sec = Math.round(abs % 60)
+  const sign = s < 0 ? '-' : ''
+  return m > 0 ? `${sign}${m}分${sec > 0 ? sec + '秒' : ''}` : `${sign}${sec}秒`
+}
+
+onMounted(async () => {
+  loading.value = true
+  try { data.value = await projectApi.settlement(route.params.id) } finally { loading.value = false }
+})
+</script>
+
+<style scoped>
+.page-header { margin-bottom: 16px; }
+.section-card { margin-bottom: 16px; }
+.section-title { font-weight: 600; }
+.stat-row { margin-bottom: 16px; }
+.stat-label { font-size: 13px; color: #909399; margin-bottom: 4px; }
+.stat-value { font-size: 24px; font-weight: 700; }
+.big-stat { text-align: center; padding: 12px 0; }
+</style>
--- a/frontend/src/views/Submissions.vue
+++ b/frontend/src/views/Submissions.vue
@ -0,0 +1,180 @@
+<template>
+  <div>
+    <div class="page-header">
+      <h2>内容提交</h2>
+      <el-button type="primary" @click="showCreate = true"><el-icon><Plus /></el-icon> 新增提交</el-button>
+    </div>
+
+    <!-- 筛选 -->
+    <el-card class="filter-card">
+      <el-space wrap>
+        <el-select v-model="filter.project_id" placeholder="按项目筛选" clearable style="width:200px" @change="load">
+          <el-option v-for="p in projects" :key="p.id" :label="p.name" :value="p.id" />
+        </el-select>
+        <el-date-picker v-model="dateRange" type="daterange" start-placeholder="开始日期" end-placeholder="结束日期"
+          value-format="YYYY-MM-DD" style="width:260px" @change="onDateChange" />
+      </el-space>
+    </el-card>
+
+    <!-- 列表 -->
+    <el-table :data="submissions" v-loading="loading" stripe>
+      <el-table-column prop="submit_date" label="日期" width="110" sortable />
+      <el-table-column prop="user_name" label="提交人" width="80" />
+      <el-table-column prop="project_name" label="项目" min-width="140" show-overflow-tooltip />
+      <el-table-column prop="project_phase" label="阶段" width="70" />
+      <el-table-column label="工作类型" width="80">
+        <template #default="{row}">
+          <el-tag :type="row.work_type === '测试' ? 'warning' : row.work_type === '方案' ? 'info' : ''" size="small">{{ row.work_type }}</el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column prop="content_type" label="内容类型" width="90" />
+      <el-table-column label="产出时长" width="100" align="right">
+        <template #default="{row}">{{ row.total_seconds > 0 ? formatSecs(row.total_seconds) : '—' }}</template>
+      </el-table-column>
+      <el-table-column label="投入时长" width="90" align="right">
+        <template #default="{row}">{{ row.hours_spent ? row.hours_spent + 'h' : '—' }}</template>
+      </el-table-column>
+      <el-table-column prop="description" label="描述" show-overflow-tooltip />
+    </el-table>
+
+    <!-- 新增提交对话框 -->
+    <el-dialog v-model="showCreate" title="新增内容提交" width="580px" destroy-on-close>
+      <el-form :model="form" label-width="110px" label-position="left">
+        <el-form-item label="所属项目" required>
+          <el-select v-model="form.project_id" placeholder="选择项目" style="width:100%">
+            <el-option v-for="p in activeProjects" :key="p.id" :label="p.name" :value="p.id" />
+          </el-select>
+        </el-form-item>
+        <el-row :gutter="16">
+          <el-col :span="12">
+            <el-form-item label="项目阶段" required>
+              <el-select v-model="form.project_phase" style="width:100%">
+                <el-option label="前期" value="前期" />
+                <el-option label="制作" value="制作" />
+                <el-option label="后期" value="后期" />
+              </el-select>
+            </el-form-item>
+          </el-col>
+          <el-col :span="12">
+            <el-form-item label="工作类型" required>
+              <el-select v-model="form.work_type" style="width:100%">
+                <el-option label="制作" value="制作" />
+                <el-option label="测试" value="测试" />
+                <el-option label="方案" value="方案" />
+              </el-select>
+            </el-form-item>
+          </el-col>
+        </el-row>
+        <el-form-item label="内容制作类型" required>
+          <el-select v-model="form.content_type" style="width:100%">
+            <el-option label="内容制作" value="内容制作" />
+            <el-option label="设定策划" value="设定策划" />
+            <el-option label="剪辑后期" value="剪辑后期" />
+            <el-option label="其他" value="其他" />
+          </el-select>
+        </el-form-item>
+        <el-row :gutter="16">
+          <el-col :span="12">
+            <el-form-item label="产出(分钟)">
+              <el-input-number v-model="form.duration_minutes" :min="0" :step="1" style="width:100%" />
+            </el-form-item>
+          </el-col>
+          <el-col :span="12">
+            <el-form-item label="产出(秒)">
+              <el-input-number v-model="form.duration_seconds" :min="0" :step="5" style="width:100%" />
+            </el-form-item>
+          </el-col>
+        </el-row>
+        <el-form-item label="投入时长(时)">
+          <el-input-number v-model="form.hours_spent" :min="0" :step="0.5" :precision="1" style="width:100%" placeholder="可选" />
+        </el-form-item>
+        <el-form-item label="提交对象" required>
+          <el-select v-model="form.submit_to" style="width:100%">
+            <el-option label="组长" value="组长" />
+            <el-option label="制片" value="制片" />
+            <el-option label="内部" value="内部" />
+            <el-option label="外部" value="外部" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="制作描述">
+          <el-input v-model="form.description" type="textarea" :rows="2" placeholder="简要描述本次提交内容" />
+        </el-form-item>
+        <el-form-item label="提交日期" required>
+          <el-date-picker v-model="form.submit_date" value-format="YYYY-MM-DD" style="width:100%" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showCreate = false">取消</el-button>
+        <el-button type="primary" :loading="creating" @click="handleCreate">提交</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted, reactive } from 'vue'
+import { submissionApi, projectApi } from '../api'
+import { ElMessage } from 'element-plus'
+
+const loading = ref(false)
+const creating = ref(false)
+const showCreate = ref(false)
+const submissions = ref([])
+const projects = ref([])
+const dateRange = ref(null)
+const filter = reactive({ project_id: null, start_date: null, end_date: null })
+
+const activeProjects = computed(() => projects.value.filter(p => p.status === '制作中'))
+
+const today = new Date().toISOString().split('T')[0]
+const form = reactive({
+  project_id: null, project_phase: '制作', work_type: '制作',
+  content_type: '内容制作', duration_minutes: 0, duration_seconds: 0,
+  hours_spent: null, submit_to: '组长', description: '', submit_date: today,
+})
+
+function formatSecs(s) {
+  if (!s) return '0秒'
+  const m = Math.floor(s / 60)
+  const sec = Math.round(s % 60)
+  return m > 0 ? `${m}分${sec > 0 ? sec + '秒' : ''}` : `${sec}秒`
+}
+
+function onDateChange(val) {
+  if (val) { filter.start_date = val[0]; filter.end_date = val[1] }
+  else { filter.start_date = null; filter.end_date = null }
+  load()
+}
+
+async function load() {
+  loading.value = true
+  try { submissions.value = await submissionApi.list(filter) } finally { loading.value = false }
+}
+
+async function handleCreate() {
+  if (!form.project_id) { ElMessage.warning('请选择项目'); return }
+  creating.value = true
+  try {
+    await submissionApi.create(form)
+    ElMessage.success('提交成功')
+    showCreate.value = false
+    // 重置部分字段
+    form.duration_minutes = 0
+    form.duration_seconds = 0
+    form.hours_spent = null
+    form.description = ''
+    load()
+  } finally { creating.value = false }
+}
+
+onMounted(async () => {
+  load()
+  try { projects.value = await projectApi.list({}) } catch {}
+})
+</script>
+
+<style scoped>
+.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
+.page-header h2 { font-size: 20px; }
+.filter-card { margin-bottom: 16px; }
+</style>
--- a/frontend/src/views/Users.vue
+++ b/frontend/src/views/Users.vue
@ -0,0 +1,101 @@
+<template>
+  <div>
+    <div class="page-header">
+      <h2>用户管理</h2>
+      <el-button type="primary" @click="showCreate = true"><el-icon><Plus /></el-icon> 新增用户</el-button>
+    </div>
+
+    <el-table :data="users" v-loading="loading" stripe>
+      <el-table-column prop="name" label="姓名" width="100" />
+      <el-table-column prop="username" label="用户名" width="120" />
+      <el-table-column prop="phase_group" label="阶段组" width="80" />
+      <el-table-column label="角色" width="90">
+        <template #default="{row}">
+          <el-tag :type="roleMap[row.role]" size="small">{{ row.role }}</el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column label="月薪" width="110" align="right">
+        <template #default="{row}">¥{{ row.monthly_salary.toLocaleString() }}</template>
+      </el-table-column>
+      <el-table-column label="日成本" width="100" align="right">
+        <template #default="{row}">¥{{ row.daily_cost.toLocaleString() }}</template>
+      </el-table-column>
+      <el-table-column label="状态" width="80">
+        <template #default="{row}"><el-tag :type="row.is_active ? 'success' : 'danger'" size="small">{{ row.is_active ? '启用' : '停用' }}</el-tag></template>
+      </el-table-column>
+      <el-table-column label="操作" width="100">
+        <template #default="{row}">
+          <el-button text size="small" @click="editUser(row)">编辑</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <!-- 新增/编辑对话框 -->
+    <el-dialog v-model="showCreate" :title="editingId ? '编辑用户' : '新增用户'" width="480px" destroy-on-close>
+      <el-form :model="form" label-width="80px">
+        <el-form-item label="姓名"><el-input v-model="form.name" /></el-form-item>
+        <el-form-item v-if="!editingId" label="用户名"><el-input v-model="form.username" /></el-form-item>
+        <el-form-item v-if="!editingId" label="密码"><el-input v-model="form.password" type="password" /></el-form-item>
+        <el-form-item label="阶段组">
+          <el-select v-model="form.phase_group" style="width:100%">
+            <el-option label="前期" value="前期" /><el-option label="制作" value="制作" /><el-option label="后期" value="后期" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="角色">
+          <el-select v-model="form.role" style="width:100%">
+            <el-option label="成员" value="成员" /><el-option label="组长" value="组长" />
+            <el-option label="主管" value="主管" /><el-option label="Owner" value="Owner" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="月薪"><el-input-number v-model="form.monthly_salary" :min="0" :step="1000" :controls="false" style="width:100%" /></el-form-item>
+        <el-form-item v-if="editingId" label="状态">
+          <el-switch v-model="form.is_active" :active-value="1" :inactive-value="0" active-text="启用" inactive-text="停用" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showCreate = false">取消</el-button>
+        <el-button type="primary" @click="handleSave">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, reactive, onMounted } from 'vue'
+import { userApi } from '../api'
+import { ElMessage } from 'element-plus'
+
+const loading = ref(false)
+const showCreate = ref(false)
+const editingId = ref(null)
+const users = ref([])
+const roleMap = { 'Owner': 'danger', '主管': 'warning', '组长': '', '成员': 'info' }
+const form = reactive({ username: '', password: '', name: '', phase_group: '制作', role: '成员', monthly_salary: 0, is_active: 1 })
+
+async function load() { loading.value = true; try { users.value = await userApi.list() } finally { loading.value = false } }
+
+function editUser(u) {
+  editingId.value = u.id
+  Object.assign(form, { name: u.name, phase_group: u.phase_group, role: u.role, monthly_salary: u.monthly_salary, is_active: u.is_active })
+  showCreate.value = true
+}
+
+async function handleSave() {
+  if (editingId.value) {
+    await userApi.update(editingId.value, { name: form.name, phase_group: form.phase_group, role: form.role, monthly_salary: form.monthly_salary, is_active: form.is_active })
+  } else {
+    await userApi.create(form)
+  }
+  ElMessage.success('已保存')
+  showCreate.value = false
+  editingId.value = null
+  load()
+}
+
+onMounted(load)
+</script>
+
+<style scoped>
+.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
+.page-header h2 { font-size: 20px; }
+</style>
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@ -0,0 +1,15 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+
+export default defineConfig({
+  plugins: [vue()],
+  server: {
+    port: 3000,
+    proxy: {
+      '/api': {
+        target: 'http://localhost:8000',
+        changeOrigin: true,
+      }
+    }
+  }
+})
				`@ -0,0 +1 @@`
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				`@ -0,0 +1 @@`
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