test: B8 收敛——sqlite 测试 DDL 单一事实源 _ddl.py(10 文件 45 处手写 DDL 清零)+localtime 时区收敛(B5 评审 P3-4, utcnow 边界修复)+测试内遗留建表清理, 196 绿; docs 同步 B8 完成状态

tests/test_risk_api.py

@@ -8,9 +8,9 @@ from datetime import datetime, timedelta
 import pytest
 from fastapi import FastAPI
 from fastapi.testclient import TestClient
-from sqlalchemy import create_engine, text
-from sqlalchemy.pool import StaticPool
+from sqlalchemy import text
 
+from _ddl import create_sqlite_engine
 from app.api import risk as risk_api
 from app.api.deps import assert_customer_access
 from app.api.risk import router as risk_router
@@ -51,51 +51,8 @@ def _alert(alert_id, customer, atype, status="pending_review", score=70):
 
 @pytest.fixture()
 def env():
-    engine = create_engine(
-        "sqlite://", poolclass=StaticPool, connect_args={"check_same_thread": False}
-    )
+    engine = create_sqlite_engine()  # DDL 单一事实源（B4 评审 P3-12）
     with engine.begin() as conn:
-        for ddl in [
-            """CREATE TABLE core_customer (
-                customer_id VARCHAR(64) PRIMARY KEY, display_name VARCHAR(128), age INTEGER,
-                occupation VARCHAR(64), open_date DATE, is_active TINYINT DEFAULT 1)""",
-            """CREATE TABLE core_customer_risk (
-                customer_id VARCHAR(64), risk_code VARCHAR(8), evaluated_at TIMESTAMP)""",
-            """CREATE TABLE core_customer_advisor (
-                advisor_id VARCHAR(64), customer_id VARCHAR(64), rel_status VARCHAR(16))""",
-            """CREATE TABLE core_product (
-                product_id VARCHAR(64) PRIMARY KEY, product_name VARCHAR(128),
-                min_risk_code VARCHAR(8), product_type VARCHAR(32))""",
-            """CREATE TABLE risk_aml_list (
-                id INTEGER PRIMARY KEY AUTOINCREMENT, list_id VARCHAR(64), list_type VARCHAR(16),
-                full_name VARCHAR(128), match_threshold REAL, source VARCHAR(64),
-                list_version VARCHAR(16), effective_date DATE, is_active TINYINT DEFAULT 1,
-                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP)""",
-            """CREATE TABLE risk_alert (
-                alert_id VARCHAR(64) PRIMARY KEY, trace_id VARCHAR(64), customer_id VARCHAR(64),
-                trade_id VARCHAR(64), alert_type VARCHAR(16), triggered_rules TEXT,
-                risk_score INTEGER, status VARCHAR(24) DEFAULT 'pending_review', payload TEXT,
-                handler_id VARCHAR(64), handler_result VARCHAR(64), handler_comment VARCHAR(512),
-                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, handled_at TIMESTAMP)""",
-            """CREATE TABLE audit_log (
-                id INTEGER PRIMARY KEY, trace_id VARCHAR(64), event_type VARCHAR(64),
-                agent_type VARCHAR(16), actor_id VARCHAR(64), customer_id VARCHAR(64),
-                rule_id VARCHAR(64), input_summary TEXT, decision VARCHAR(64), risk_score INTEGER,
-                handler_id VARCHAR(64), handler_result VARCHAR(64), handler_comment VARCHAR(512),
-                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP)""",
-            """CREATE TABLE risk_suitability_log (
-                id INTEGER PRIMARY KEY AUTOINCREMENT, trace_id VARCHAR(64), customer_id VARCHAR(64),
-                product_id VARCHAR(64), customer_risk_level VARCHAR(8), product_risk_level VARCHAR(8),
-                is_matched TINYINT, is_blocked TINYINT, block_reason VARCHAR(512),
-                request_ref VARCHAR(64), profile_l1_version VARCHAR(32),
-                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP)""",
-            """CREATE TABLE customer_profile_l3 (
-                customer_id VARCHAR(64) PRIMARY KEY, monitor_tier VARCHAR(16) NOT NULL,
-                risk_score INTEGER, score_dimensions TEXT, monitor_tags TEXT,
-                last_alert_id VARCHAR(64), computed_at TIMESTAMP NOT NULL,
-                updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP)""",
-        ]:
-            conn.execute(text(ddl))
         conn.execute(
             text(
                 "INSERT INTO core_customer (customer_id, display_name, age, is_active) VALUES"
@@ -193,9 +150,9 @@ def test_other_roles_cannot_list_alerts(client):
 def test_alerts_date_filter_and_pagination(client):
     """复审 P3:start_date/end_date 过滤与分页边界回归保护。
 
-    sqlite CURRENT_TIMESTAMP 为 UTC,窗口用 utcnow 构造(localtime 收敛挂账 B8)。
+    DDL 收敛后 created_at 为 localtime（_ddl.py，B5 评审 P3-4），窗口用本地时间构造。
     """
-    now = datetime.utcnow()
+    now = datetime.now()
     r = client.get("/api/risk/alerts", params={"start_date": (now - timedelta(hours=1)).isoformat()}, headers=OFFICER)
     assert r.json()["total"] == 3  # 窗口内全命中
     r = client.get("/api/risk/alerts", params={"start_date": (now + timedelta(hours=1)).isoformat()}, headers=OFFICER)