chore: 基线提交（重构前快照）

重构前保存现有 apps/ 结构基线，供后续各阶段回滚。

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

apps/forms/link.py

@@ -0,0 +1,29 @@
+from typing import Optional
+
+from pydantic import BaseModel, ConfigDict, Field, field_validator
+
+from apps.models.link import Link
+
+
+# 友链表单验证
+class LinkForm(BaseModel):
+    model_config = ConfigDict(populate_by_name=True)
+
+    id: Optional[int] = Field(None, description="友链ID")
+    name: str = Field(..., min_length=1, max_length=255, description="友链名称")
+    type: int = Field(..., ge=1, le=2, description="友链类型")
+    url: str = Field(..., min_length=1, max_length=255, description="友链URL")
+    item_id: Optional[int] = Field(None, description="站点ID")
+    cate_id: Optional[int] = Field(None, description="栏目ID")
+    platform: int = Field(..., ge=1, le=4, description="投放平台")
+    link_form: int = Field(..., ge=1, le=2, alias='form', description="友链形式")
+    image: str = Field(..., min_length=1, max_length=255, description="友链图片")
+    status: int = Field(..., ge=1, le=2, description="友链状态")
+    sort: int = Field(..., ge=0, le=99999, description="友链排序")
+    note: Optional[str] = Field(None, max_length=255, description="友链备注")
+
+
+# 设置状态表单
+class LinkStatusForm(BaseModel):
+    id: int = Field(..., gt=0, description="友链ID")
+    status: int = Field(..., ge=1, le=2, description="友链状态")