feat(base): 人员管理接口（岗位/工资标准/团队/辐射区域/拓展计划）

- 删除保护：被团队成员/客户归属引用禁删，引导改离职
- 子表全量替换采用 clear 后立即 flush 防御写法
- 工资标准字符串进出，超两位小数拒绝而非静默舍入

Co-Authored-By: Claude Code <noreply@anthropic.com>

backend/app/schemas/personnel.py

@@ -0,0 +1,147 @@
+"""营销人员的请求/响应模型（需求 2.1.1）。"""
+
+from datetime import date
+from decimal import Decimal, InvalidOperation
+
+from pydantic import BaseModel, ConfigDict, Field, field_validator
+
+from app.core.response import PageQuery
+
+# salary_standard 列为 Numeric(12,2)：整数部分最多 10 位。
+# 工资系统金额红线——入参出参一律 str，服务层转 Decimal，全程不经 float
+SALARY_MAX = Decimal("9999999999.99")
+
+
+class PersonnelRegionOut(BaseModel):
+    """辐射区域条目响应。"""
+
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    region_name: str
+    remark: str | None = None
+
+
+class PersonnelPlanOut(BaseModel):
+    """拓展计划条目响应。"""
+
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    plan_period: str
+    plan_content: str
+    target_desc: str | None = None
+
+
+class PersonnelOut(BaseModel):
+    """人员响应（列表与写操作回包共用）。"""
+
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    personnel_name: str
+    business_role_id: int
+    role_name: str | None = None
+    manager_id: int | None = None
+    manager_name: str | None = None
+    phone: str | None = None
+    hire_date: date | None = None
+    is_probation: int = 0
+    salary_standard: str | None = None
+    status: int = 1
+    remark: str | None = None
+
+
+class PersonnelDetailOut(PersonnelOut):
+    """人员详情：附区域与拓展计划，供编辑抽屉一次回显。"""
+
+    regions: list[PersonnelRegionOut] = Field(default_factory=list)
+    plans: list[PersonnelPlanOut] = Field(default_factory=list)
+
+
+class PersonnelCreateIn(BaseModel):
+    """新增人员。"""
+
+    model_config = ConfigDict(str_strip_whitespace=True)
+
+    personnel_name: str = Field(min_length=1, max_length=64, description="姓名")
+    business_role_id: int = Field(ge=1, description="岗位角色ID")
+    manager_id: int | None = Field(default=None, ge=1, description="直属营销经理ID，空=无")
+    phone: str | None = Field(default=None, max_length=20, description="联系电话")
+    hire_date: date | None = Field(default=None, description="入职日期，ISO 格式")
+    is_probation: int = Field(default=0, ge=0, le=1, description="是否试用期：1是 0否")
+    salary_standard: str | None = Field(default=None, description="月工资标准（元），字符串形式的数字")
+    remark: str | None = Field(default=None, max_length=255)
+
+    @field_validator("salary_standard")
+    @classmethod
+    def _check_salary_standard(cls, value: str | None) -> str | None:
+        """按 Numeric(12,2) 的容量校验字符串金额。
+
+        金额以字符串进出避免 float 精度损失（项目金额红线）；
+        小数位超过两位直接拒绝而非静默舍入——舍入即算错钱。
+        """
+        if value is None:
+            return None
+        try:
+            amount = Decimal(value)
+        except InvalidOperation:
+            raise ValueError("工资标准须为有效数字") from None
+        if not amount.is_finite():
+            raise ValueError("工资标准须为有效数字")
+        if amount < 0:
+            raise ValueError("工资标准不能为负数")
+        if amount > SALARY_MAX:
+            raise ValueError("工资标准超出可录入上限")
+        if -amount.as_tuple().exponent > 2:
+            raise ValueError("工资标准最多两位小数")
+        return value
+
+
+class PersonnelUpdateIn(PersonnelCreateIn):
+    """编辑人员，全量提交、全量替换（不含状态，状态走独立接口）。"""
+
+
+class PersonnelStatusIn(BaseModel):
+    """在职/离职切换。"""
+
+    status: int = Field(ge=0, le=1, description="1在职 0离职")
+
+
+class RegionItemIn(BaseModel):
+    """辐射区域条目。"""
+
+    model_config = ConfigDict(str_strip_whitespace=True)
+
+    region_name: str = Field(min_length=1, max_length=128, description="区域名称")
+    remark: str | None = Field(default=None, max_length=255)
+
+
+class RegionReplaceIn(BaseModel):
+    """辐射区域全量替换。空列表即清空该人员的全部区域。"""
+
+    items: list[RegionItemIn] = Field(default_factory=list, description="全量条目")
+
+
+class PlanItemIn(BaseModel):
+    """拓展计划条目。"""
+
+    model_config = ConfigDict(str_strip_whitespace=True)
+
+    plan_period: str = Field(min_length=1, max_length=32, description="计划期间，如 2026Q1")
+    plan_content: str = Field(min_length=1, max_length=500, description="计划内容")
+    target_desc: str | None = Field(default=None, max_length=255, description="指标说明")
+
+
+class PlanReplaceIn(BaseModel):
+    """拓展计划全量替换。空列表即清空该人员的全部计划。"""
+
+    items: list[PlanItemIn] = Field(default_factory=list, description="全量条目")
+
+
+class PersonnelQuery(PageQuery):
+    """人员列表查询条件。"""
+
+    keyword: str | None = Field(default=None, max_length=64, description="姓名，模糊匹配")
+    status: int | None = Field(default=None, ge=0, le=1, description="状态筛选：1在职 0离职")
+    business_role_id: int | None = Field(default=None, ge=1, description="岗位筛选")