feat(user): 用户认证状态/所属/账号类型 分类字段

- users 增: certification_status(uncertified|pending|certified|rejected)+certification_time, affiliation(independent|park)+park_id/park_name, account_type(opc_default|park_staff|platform_staff|provider|enterprise); alembic 0007
- repo: set_classification; _user_to_dict 含全部新字段; profile 返回认证/所属/账号类型
- admin: POST /admin/users/{id}/classification(认证/分类设置, action:user.manage) + UserClassificationRequest schema
- 迁移已应用, 导入通过

alembic/versions/0007_user_classification.py

@@ -0,0 +1,35 @@
+"""user classification/certification
+
+Revision ID: 0007_user_classification
+Revises: 0006_user_source_fields
+Create Date: 2026-08-25
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0007_user_classification"
+down_revision = "0006_user_source_fields"
+branch_labels = None
+depends_on = None
+
+
+def _add(table, col):
+    conn = op.get_bind()
+    cols = {r[1] for r in conn.execute(sa.text(f"PRAGMA table_info({table})"))}
+    if col.name not in cols:
+        op.add_column(table, col)
+
+
+def upgrade() -> None:
+    _add("users", sa.Column("certification_status", sa.String, server_default="uncertified"))
+    _add("users", sa.Column("certification_time", sa.String, server_default=""))
+    _add("users", sa.Column("affiliation", sa.String, server_default="independent"))
+    _add("users", sa.Column("park_id", sa.String, server_default=""))
+    _add("users", sa.Column("park_name", sa.String, server_default=""))
+    _add("users", sa.Column("account_type", sa.String, server_default="opc_default"))
+
+
+def downgrade() -> None:
+    pass