refactor: add rule engine, risk service, quote state machine, and replay tests

This commit is contained in:
2026-03-01 14:30:14 +08:00
parent dc2565b8f3
commit 3c825547cf
9 changed files with 590 additions and 137 deletions

View File

@@ -22,6 +22,10 @@ from pydantic_ai.models.openai import OpenAIChatModel
from pydantic_ai.providers.openai import OpenAIProvider
from dotenv import load_dotenv
from utils.metrics_tracker import emit as metrics_emit
from utils.observability import emit_activity, build_trace_id
from core.quote_state_machine import QuoteStateMachine
from core.rules import Rule, RuleContext, RuleEngine, RuleResult
from services.risk_service import RiskService
load_dotenv()
@@ -209,16 +213,14 @@ class CustomerServiceAgent:
@staticmethod
def _activity_log(event: str, **kwargs):
safe = {}
for k, v in kwargs.items():
if isinstance(v, str):
safe[k] = v[:240]
else:
safe[k] = v
try:
logger.info(f"[ACTIVITY] event={event} data={json.dumps(safe, ensure_ascii=False)}")
except Exception:
logger.info(f"[ACTIVITY] event={event} data={safe}")
emit_activity(
logger,
event=event,
trace_id=str(kwargs.pop("trace_id", "")),
customer_id=str(kwargs.pop("customer_id", "")),
result=str(kwargs.pop("result", "ok")),
**kwargs,
)
def __init__(self, skills_dir: str = "skills"):
self.api_key = os.getenv("OPENAI_API_KEY")
@@ -231,6 +233,9 @@ class CustomerServiceAgent:
self.batch_quote_delay_turns = max(0, int(os.getenv("BATCH_QUOTE_DELAY_TURNS", "1")))
except Exception:
self.batch_quote_delay_turns = 1
self.quote_state_machine = QuoteStateMachine(delay_turns=self.batch_quote_delay_turns)
self.risk_service = RiskService()
self._pre_rule_engine = self._build_pre_rule_engine()
if not self.api_key:
raise ValueError("请设置 OPENAI_API_KEY 环境变量")
@@ -430,7 +435,7 @@ class CustomerServiceAgent:
收图阶段回复默认走 AI 改写,失败时回退到固定模板。
"""
# 首张收图先承接“我看一下”,避免机械地立刻催“发完统一报价”。
if scene == "collect_ack" and len(state.pending_image_urls) <= 1:
if scene == "collect_ack" and len(state.pending_image_urls) == 1:
first_ack = [
"收到了,我先看一下哈,稍等哈",
"这张我收到了,我先看下,等我一下哈",
@@ -1272,21 +1277,7 @@ class CustomerServiceAgent:
@staticmethod
def _refresh_quote_phase(state: ConversationState, phase_hint: str = ""):
"""统一维护收图报价状态机。"""
if phase_hint in {"idle", "collecting", "ready_to_quote", "waiting_result"}:
state.quote_phase = phase_hint
if phase_hint == "idle":
state.quote_ready_turns = 0
return
if not state.pending_image_urls:
state.quote_phase = "idle"
state.quote_ready_turns = 0
return
if state.quote_phase in {"ready_to_quote", "waiting_result"}:
return
if state.pending_image_urls and state.pending_requirements:
state.quote_phase = "collecting"
return
state.quote_phase = "collecting"
QuoteStateMachine().refresh(state, phase_hint=phase_hint)
def _should_defer_batch_quote(self, state: ConversationState, mark_ready: bool = False) -> bool:
"""
@@ -1294,19 +1285,13 @@ class CustomerServiceAgent:
- 首次进入 ready_to_quote 时按配置等待 N 轮
- 等待轮次归零后,本轮即可报价
"""
if mark_ready and state.quote_phase != "ready_to_quote":
state.quote_phase = "ready_to_quote"
state.quote_ready_turns = max(0, int(self.batch_quote_delay_turns))
if state.quote_phase == "ready_to_quote" and state.quote_ready_turns > 0:
state.quote_ready_turns -= 1
return True
return False
self.quote_state_machine.delay_turns = max(0, int(self.batch_quote_delay_turns))
return self.quote_state_machine.should_defer_batch_quote(state, mark_ready=mark_ready)
def _mark_quote_ready(self, state: ConversationState):
"""仅标记 ready 状态,不消费等待轮次。"""
if state.quote_phase != "ready_to_quote":
state.quote_phase = "ready_to_quote"
state.quote_ready_turns = max(0, int(self.batch_quote_delay_turns))
self.quote_state_machine.delay_turns = max(0, int(self.batch_quote_delay_turns))
self.quote_state_machine.mark_ready(state)
def _build_reject_message(self, reason: str = "") -> str:
templates = [
@@ -1779,10 +1764,163 @@ class CustomerServiceAgent:
clean = msg.strip().rstrip("!?。.~")
return clean in self._COOLDOWN_PATTERNS
def _build_pre_rule_engine(self) -> RuleEngine:
return RuleEngine(
rules=[
Rule(
name="meaningless_short_text",
priority=10,
predicate=self._rule_pred_meaningless_short_text,
action=self._rule_act_meaningless_short_text,
),
Rule(
name="cooldown_silent",
priority=20,
predicate=self._rule_pred_cooldown_silent,
action=self._rule_act_cooldown_silent,
),
Rule(
name="manual_risk_block",
priority=30,
predicate=self._rule_pred_manual_risk_block,
action=self._rule_act_manual_risk_block,
),
Rule(
name="text_risk_block",
priority=40,
predicate=self._rule_pred_text_risk_block,
action=self._rule_act_text_risk_block,
),
]
)
async def _rule_pred_meaningless_short_text(self, ctx: RuleContext) -> bool:
message: CustomerMessage = ctx.get("message")
return _is_meaningless_short_text(message.msg)
async def _rule_act_meaningless_short_text(self, ctx: RuleContext) -> RuleResult:
message: CustomerMessage = ctx.get("message")
state: ConversationState = ctx.get("state")
trace_id = ctx.get("trace_id", "")
ping = random.choice(("嗯咯", "嗯啦", "", ""))
state.last_reply_at = datetime.now()
self._activity_log(
"agent_ping_reply",
trace_id=trace_id,
customer_id=message.from_id,
msg=message.msg,
reply=ping,
)
return RuleResult(
matched=True,
stop=True,
action="agent_ping_reply",
payload={"response": AgentResponse(reply=ping, should_reply=True, need_transfer=False)},
)
async def _rule_pred_cooldown_silent(self, ctx: RuleContext) -> bool:
message: CustomerMessage = ctx.get("message")
state: ConversationState = ctx.get("state")
return self._in_cooldown(state, message.msg)
async def _rule_act_cooldown_silent(self, ctx: RuleContext) -> RuleResult:
message: CustomerMessage = ctx.get("message")
state: ConversationState = ctx.get("state")
trace_id = ctx.get("trace_id", "")
elapsed = int((datetime.now() - state.last_reply_at).total_seconds()) if state.last_reply_at else 0
print(f"[Agent] 冷却期静默(距上次回复 {elapsed}s{message.msg!r}")
self._activity_log(
"agent_cooldown_silent",
trace_id=trace_id,
customer_id=message.from_id,
elapsed_s=elapsed,
)
return RuleResult(
matched=True,
stop=True,
action="agent_cooldown_silent",
payload={"response": AgentResponse(reply="", should_reply=False, need_transfer=False)},
)
async def _rule_pred_manual_risk_block(self, ctx: RuleContext) -> bool:
message: CustomerMessage = ctx.get("message")
decision = self.risk_service.check_manual_block(message.from_id)
ctx.set("manual_risk_decision", decision)
return decision.blocked
async def _rule_act_manual_risk_block(self, ctx: RuleContext) -> RuleResult:
message: CustomerMessage = ctx.get("message")
trace_id = ctx.get("trace_id", "")
decision = ctx.get("manual_risk_decision")
self._activity_log(
"agent_manual_risk_reject",
trace_id=trace_id,
customer_id=message.from_id,
risk=(decision.profile if decision else {}),
)
return RuleResult(
matched=True,
stop=True,
action="agent_manual_risk_reject",
payload={
"response": AgentResponse(
reply="这边无法继续为你处理该类需求,给你转人工专员对接。",
should_reply=True,
need_transfer=True,
transfer_msg=TRANSFER_MESSAGE,
)
},
)
async def _rule_pred_text_risk_block(self, ctx: RuleContext) -> bool:
message: CustomerMessage = ctx.get("message")
decision = await self.risk_service.check_text_block(
message.msg,
political_detector=self._is_political_inquiry,
map_detector=self._is_map_inquiry,
)
ctx.set("text_risk_decision", decision)
return decision.blocked
async def _rule_act_text_risk_block(self, ctx: RuleContext) -> RuleResult:
message: CustomerMessage = ctx.get("message")
state: ConversationState = ctx.get("state")
trace_id = ctx.get("trace_id", "")
decision = ctx.get("text_risk_decision")
state.pending_image_urls.clear()
state.pending_requirements.clear()
self._sync_pending_quote_state(message.from_id, state)
reject_text = self.risk_service.build_reject_text(decision.category if decision else "other")
reply = await self._rewrite_reply_with_ai(
message=message,
state=state,
reply=reject_text,
scene="risk_reject",
)
state.last_reply_at = datetime.now()
print(f"{self.C_REPLY}[REPLY->CUSTOMER]{self.C_RESET} {reply}")
self._activity_log(
"agent_risk_reject",
trace_id=trace_id,
customer_id=message.from_id,
risk_category=(decision.category if decision else "other"),
risk_source=(decision.source if decision else "unknown"),
reply=reply,
)
return RuleResult(
matched=True,
stop=True,
action="agent_risk_reject",
payload={"response": AgentResponse(reply=reply, should_reply=True, need_transfer=False)},
)
async def process_message(self, message: CustomerMessage) -> AgentResponse:
"""处理客户消息并生成回复"""
trace_id = build_trace_id(message.acc_id, message.from_id, message.msg_id, message.msg[:64])
self._activity_log(
"agent_inbound",
trace_id=trace_id,
acc_id=message.acc_id,
customer_id=message.from_id,
msg=message.msg,
@@ -1791,97 +1929,12 @@ class CustomerServiceAgent:
metrics_emit("inbound_msg", customer_id=message.from_id, acc_id=message.acc_id)
# 获取或创建对话状态
state = self._get_conversation_state(message.from_id)
# 无意义短句承接:单独回一句口语,不进入复杂决策
if _is_meaningless_short_text(message.msg):
ping = random.choice(("嗯咯", "嗯啦", "", ""))
state.last_reply_at = datetime.now()
self._activity_log("agent_ping_reply", customer_id=message.from_id, msg=message.msg, reply=ping)
return AgentResponse(reply=ping, should_reply=True, need_transfer=False)
# 冷却期检测:近期已回复 + 纯打招呼 → 静默
if self._in_cooldown(state, message.msg):
elapsed = int((datetime.now() - state.last_reply_at).total_seconds())
print(f"[Agent] 冷却期静默(距上次回复 {elapsed}s{message.msg!r}")
self._activity_log("agent_cooldown_silent", customer_id=message.from_id, elapsed_s=elapsed)
return AgentResponse(reply="", should_reply=False, need_transfer=False)
# 前置风控:客户文本一旦命中政治/敏感询问,直接拒绝,避免“发图我看看”类答非所问
try:
# 人工风控:标记为不接单的客户直接转人工
manual_risk = risk_db.evaluate_customer(message.from_id)
if bool(manual_risk.get("do_not_serve")):
self._activity_log(
"agent_manual_risk_reject",
customer_id=message.from_id,
risk=manual_risk,
)
return AgentResponse(
reply="这边无法继续为你处理该类需求,给你转人工专员对接。",
should_reply=True,
need_transfer=True,
transfer_msg=TRANSFER_MESSAGE,
)
from utils.content_filter import should_block_customer_smart
risk_hit, risk_category, _risk_reason = await should_block_customer_smart(message.msg)
map_hit = self._is_map_inquiry(message.msg) or (risk_category == "map")
political_hit = self._is_political_inquiry(message.msg) or (risk_category == "political")
if risk_hit or political_hit or map_hit:
# 命中敏感询问时清空待报价队列,避免旧图残留污染后续会话
state.pending_image_urls.clear()
state.pending_requirements.clear()
self._sync_pending_quote_state(message.from_id, state)
reject_text = "地图这类不做哈,这边不接地图相关需求。"
if risk_category == "sexual":
reject_text = "这类不做哈,涉黄擦边内容都不接。"
elif risk_category == "violent":
reject_text = "这类不做哈,暴力血腥相关都不接。"
elif political_hit and not map_hit:
reject_text = "这类不做哈,政治相关图片和人物都不接。"
reply = await self._rewrite_reply_with_ai(
message=message,
state=state,
reply=reject_text,
scene="risk_reject",
)
state.last_reply_at = datetime.now()
print(f"{self.C_REPLY}[REPLY->CUSTOMER]{self.C_RESET} {reply}")
self._activity_log(
"agent_risk_reject",
customer_id=message.from_id,
map_hit=map_hit,
political_hit=political_hit,
risk_category=risk_category,
reply=reply,
)
return AgentResponse(reply=reply, should_reply=True, need_transfer=False)
except Exception:
map_hit = self._is_map_inquiry(message.msg)
political_hit = self._is_political_inquiry(message.msg)
if political_hit or map_hit:
state.pending_image_urls.clear()
state.pending_requirements.clear()
self._sync_pending_quote_state(message.from_id, state)
reject_text = "地图这类不做哈,这边不接地图相关需求。"
if political_hit and not map_hit:
reject_text = "这类不做哈,政治相关图片和人物都不接。"
reply = await self._rewrite_reply_with_ai(
message=message,
state=state,
reply=reject_text,
scene="risk_reject",
)
state.last_reply_at = datetime.now()
print(f"{self.C_REPLY}[REPLY->CUSTOMER]{self.C_RESET} {reply}")
self._activity_log(
"agent_risk_reject",
customer_id=message.from_id,
map_hit=map_hit,
political_hit=political_hit,
reply=reply,
)
return AgentResponse(reply=reply, should_reply=True, need_transfer=False)
pre_ctx = RuleContext(data={"message": message, "state": state, "trace_id": trace_id})
pre_result = await self._pre_rule_engine.run(pre_ctx)
if pre_result.stop:
response = pre_result.payload.get("response")
if isinstance(response, AgentResponse):
return response
# 检测售前/售后
new_stage = self._detect_stage(message.msg)

View File

@@ -0,0 +1,47 @@
from __future__ import annotations
from dataclasses import dataclass
from typing import Protocol
class QuoteStateLike(Protocol):
pending_image_urls: list
pending_requirements: list
quote_phase: str
quote_ready_turns: int
@dataclass
class QuoteStateMachine:
delay_turns: int = 1
def refresh(self, state: QuoteStateLike, phase_hint: str = "") -> None:
if phase_hint in {"idle", "collecting", "ready_to_quote", "waiting_result"}:
state.quote_phase = phase_hint
if phase_hint == "idle":
state.quote_ready_turns = 0
return
if not state.pending_image_urls:
state.quote_phase = "idle"
state.quote_ready_turns = 0
return
if state.quote_phase in {"ready_to_quote", "waiting_result"}:
return
state.quote_phase = "collecting"
def mark_ready(self, state: QuoteStateLike) -> None:
if state.quote_phase != "ready_to_quote":
state.quote_phase = "ready_to_quote"
state.quote_ready_turns = max(0, int(self.delay_turns))
def should_defer_batch_quote(self, state: QuoteStateLike, mark_ready: bool = False) -> bool:
if mark_ready and state.quote_phase != "ready_to_quote":
self.mark_ready(state)
if state.quote_phase == "ready_to_quote" and state.quote_ready_turns > 0:
state.quote_ready_turns -= 1
return True
return False

3
core/rules/__init__.py Normal file
View File

@@ -0,0 +1,3 @@
from .engine import Rule, RuleContext, RuleEngine, RuleResult
__all__ = ["Rule", "RuleContext", "RuleEngine", "RuleResult"]

59
core/rules/engine.py Normal file
View File

@@ -0,0 +1,59 @@
from __future__ import annotations
from dataclasses import dataclass, field
from typing import Any, Awaitable, Callable, Dict, List, Optional
@dataclass
class RuleContext:
data: Dict[str, Any] = field(default_factory=dict)
def get(self, key: str, default: Any = None) -> Any:
return self.data.get(key, default)
def set(self, key: str, value: Any) -> None:
self.data[key] = value
@dataclass
class RuleResult:
matched: bool = False
stop: bool = False
action: str = ""
payload: Dict[str, Any] = field(default_factory=dict)
Predicate = Callable[[RuleContext], Awaitable[bool]]
Action = Callable[[RuleContext], Awaitable[RuleResult]]
@dataclass
class Rule:
name: str
priority: int
predicate: Predicate
action: Action
class RuleEngine:
"""Priority-ordered async rule chain."""
def __init__(self, rules: Optional[List[Rule]] = None):
self._rules: List[Rule] = sorted(rules or [], key=lambda x: x.priority)
def add_rule(self, rule: Rule) -> None:
self._rules.append(rule)
self._rules.sort(key=lambda x: x.priority)
async def run(self, ctx: RuleContext) -> RuleResult:
for rule in self._rules:
if not await rule.predicate(ctx):
continue
result = await rule.action(ctx)
if not result.matched:
result.matched = True
if not result.action:
result.action = rule.name
if result.stop:
return result
return RuleResult(matched=False, stop=False, action="no_match")

View File

@@ -11,6 +11,7 @@ from collections import deque
from datetime import datetime
from pathlib import Path
from typing import Optional, Dict, Any, List
from utils.observability import emit_activity, build_trace_id
# ========== 转接分组映射 ==========
def _get_transfer_group(acc_id: str) -> str:
@@ -134,16 +135,14 @@ class QingjianAPIClient:
def _activity_log(self, event: str, **kwargs):
"""统一活动日志,便于按 event 检索完整链路。"""
safe = {}
for k, v in kwargs.items():
if isinstance(v, str):
safe[k] = v[:200]
else:
safe[k] = v
try:
logger.info(f"[ACTIVITY] event={event} data={json.dumps(safe, ensure_ascii=False)}")
except Exception:
logger.info(f"[ACTIVITY] event={event} data={safe}")
emit_activity(
logger,
event=event,
trace_id=str(kwargs.pop("trace_id", "")),
customer_id=str(kwargs.pop("customer_id", "")),
result=str(kwargs.pop("result", "ok")),
**kwargs,
)
async def connect(self):
@@ -721,6 +720,8 @@ class QingjianAPIClient:
try:
msg_text = self.to_chinese(data.get('msg', ''))
_cid = data.get('from_id', '')
trace_id = build_trace_id(data.get("acc_id", ""), _cid, data.get("msg_id", ""), msg_text[:64])
data["_trace_id"] = trace_id
_name = self.to_chinese(data.get('from_name', '') or data.get('cy_name', ''))
_plat = data.get('acc_type', '')
_shop_type = _get_shop_type(data.get('acc_id', ''), self.to_chinese(data.get('goods_name', '') or ''))
@@ -864,19 +865,32 @@ class QingjianAPIClient:
logger.info("Agent 正在处理消息...")
self._activity_log(
"agent_process_start",
trace_id=trace_id,
acc_id=data.get("acc_id", ""),
customer_id=data.get("from_id", ""),
msg=msg_text,
)
# 调用 Agent
_t0 = time.monotonic()
response = await self.agent.process_message(customer_msg)
self._activity_log(
"agent_process_done",
trace_id=trace_id,
acc_id=data.get("acc_id", ""),
customer_id=data.get("from_id", ""),
result="ok",
latency_ms=int((time.monotonic() - _t0) * 1000),
should_reply=bool(response.should_reply),
need_transfer=bool(response.need_transfer),
)
# 检查是否需要转接人工
if response.need_transfer:
logger.info("Agent 决定转接人工")
self._activity_log(
"agent_transfer",
trace_id=trace_id,
acc_id=data.get("acc_id", ""),
customer_id=data.get("from_id", ""),
transfer_msg=response.transfer_msg,
@@ -932,6 +946,7 @@ class QingjianAPIClient:
logger.info(f"Agent 回复: {response.reply}")
self._activity_log(
"agent_reply",
trace_id=trace_id,
acc_id=data.get("acc_id", ""),
customer_id=data.get("from_id", ""),
reply=response.reply,
@@ -955,6 +970,7 @@ class QingjianAPIClient:
logger.info("Agent 决定不回复此消息")
self._activity_log(
"agent_no_reply",
trace_id=trace_id,
acc_id=data.get("acc_id", ""),
customer_id=data.get("from_id", ""),
)
@@ -963,6 +979,7 @@ class QingjianAPIClient:
logger.error(f"Agent 处理失败: {e}")
self._activity_log(
"agent_process_error",
trace_id=data.get("_trace_id", ""),
acc_id=data.get("acc_id", ""),
customer_id=data.get("from_id", ""),
error=str(e),
@@ -1659,10 +1676,12 @@ class QingjianAPIClient:
original_msg: 收到的原始消息字典
reply_content: 回复内容(文本或本地文件路径/http地址
"""
trace_id = original_msg.get("_trace_id", "")
if not self.websocket:
print(f"[{self.get_time()}] 错误: 未连接到服务器")
self._activity_log(
"send_reply_skipped",
trace_id=trace_id,
reason="websocket_not_connected",
acc_id=original_msg.get("acc_id", ""),
customer_id=original_msg.get("from_id", ""),
@@ -1687,6 +1706,7 @@ class QingjianAPIClient:
)
self._activity_log(
"send_reply_throttled",
trace_id=trace_id,
key=ckey,
cooldown_s=cooldown,
msg=str(reply_content),
@@ -1716,10 +1736,12 @@ class QingjianAPIClient:
self._log_outbound_once(original_msg, str(reply_content))
self._activity_log(
"send_reply_attempt",
trace_id=trace_id,
acc_id=shop_id,
customer_id=customer_id,
msg=str(reply_content),
)
reply["_trace_id"] = trace_id
await self.send_message(reply)
def _colloquialize_outbound_reply(self, text: Any) -> Any:
@@ -1820,6 +1842,7 @@ class QingjianAPIClient:
print(f"[{self.get_time()}] 发送成功:\n{pretty}")
self._activity_log(
"send_message_success",
trace_id=message.get("_trace_id", ""),
acc_id=message.get("acc_id", ""),
customer_id=message.get("from_id", ""),
msg_type=message.get("msg_type", 0),
@@ -1829,6 +1852,7 @@ class QingjianAPIClient:
print(f"[{self.get_time()}] 发送失败: {e}")
self._activity_log(
"send_message_error",
trace_id=message.get("_trace_id", ""),
acc_id=message.get("acc_id", ""),
customer_id=message.get("from_id", ""),
error=str(e),
@@ -1837,6 +1861,7 @@ class QingjianAPIClient:
print(f"[{self.get_time()}] 错误: 连接未打开")
self._activity_log(
"send_message_skipped",
trace_id=message.get("_trace_id", ""),
reason="socket_not_open",
acc_id=message.get("acc_id", ""),
customer_id=message.get("from_id", ""),

78
services/risk_service.py Normal file
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@@ -0,0 +1,78 @@
from __future__ import annotations
from dataclasses import dataclass
from typing import Any, Callable, Dict, Awaitable
from db.customer_risk_db import risk_db
from utils.content_filter import should_block_customer_smart
@dataclass
class RiskDecision:
blocked: bool
category: str = "none"
reason: str = ""
source: str = "none" # manual/ai_filter/fallback
profile: Dict[str, Any] | None = None
class RiskService:
def evaluate_customer(self, customer_id: str) -> Dict[str, Any]:
return risk_db.evaluate_customer(customer_id)
def check_manual_block(self, customer_id: str) -> RiskDecision:
profile = self.evaluate_customer(customer_id)
if bool(profile.get("do_not_serve")):
return RiskDecision(
blocked=True,
category="manual_block",
reason="do_not_serve",
source="manual",
profile=profile,
)
return RiskDecision(blocked=False, source="manual", profile=profile)
async def check_text_block(
self,
text: str,
*,
political_detector: Callable[[str], bool],
map_detector: Callable[[str], bool],
) -> RiskDecision:
try:
hit, category, reason = await should_block_customer_smart(text)
map_hit = map_detector(text) or category == "map"
political_hit = political_detector(text) or category == "political"
if hit or map_hit or political_hit:
c = category
if map_hit:
c = "map"
elif political_hit:
c = "political"
return RiskDecision(
blocked=True,
category=c or "other",
reason=reason or "sensitive_text",
source="ai_filter",
)
return RiskDecision(blocked=False, category="none", source="ai_filter")
except Exception:
map_hit = map_detector(text)
political_hit = political_detector(text)
if map_hit:
return RiskDecision(blocked=True, category="map", reason="fallback_match", source="fallback")
if political_hit:
return RiskDecision(blocked=True, category="political", reason="fallback_match", source="fallback")
return RiskDecision(blocked=False, category="none", source="fallback")
@staticmethod
def build_reject_text(category: str) -> str:
if category == "map":
return "地图这类不做哈,这边不接地图相关需求。"
if category == "sexual":
return "这类不做哈,涉黄擦边内容都不接。"
if category == "violent":
return "这类不做哈,暴力血腥相关都不接。"
if category == "political":
return "这类不做哈,政治相关图片和人物都不接。"
return "这类不做哈,这边不接这类需求。"

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@@ -0,0 +1,42 @@
import unittest
from core.quote_state_machine import QuoteStateMachine
class _State:
def __init__(self):
self.pending_image_urls = []
self.pending_requirements = []
self.quote_phase = "idle"
self.quote_ready_turns = 0
class GoldenReplayTests(unittest.TestCase):
def test_replay_collect_then_ready_then_quote(self):
sm = QuoteStateMachine(delay_turns=1)
st = _State()
replay = [
{"event": "image", "url": "a.jpg", "want_phase": "collecting"},
{"event": "image", "url": "b.jpg", "want_phase": "collecting"},
{"event": "finish", "want_phase": "ready_to_quote", "want_defer": True},
{"event": "progress", "want_phase": "ready_to_quote", "want_defer": False},
]
for step in replay:
if step["event"] == "image":
st.pending_image_urls.append(step["url"])
sm.refresh(st)
self.assertEqual(st.quote_phase, step["want_phase"])
elif step["event"] == "finish":
deferred = sm.should_defer_batch_quote(st, mark_ready=True)
self.assertEqual(st.quote_phase, step["want_phase"])
self.assertEqual(deferred, step["want_defer"])
elif step["event"] == "progress":
deferred = sm.should_defer_batch_quote(st, mark_ready=False)
self.assertEqual(st.quote_phase, step["want_phase"])
self.assertEqual(deferred, step["want_defer"])
if __name__ == "__main__":
unittest.main(verbosity=2)

57
tests/test_rule_engine.py Normal file
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import unittest
from core.quote_state_machine import QuoteStateMachine
from core.rules import Rule, RuleContext, RuleEngine, RuleResult
from services.risk_service import RiskService
class _StubState:
def __init__(self):
self.pending_image_urls = []
self.pending_requirements = []
self.quote_phase = "idle"
self.quote_ready_turns = 0
class RuleEngineTests(unittest.IsolatedAsyncioTestCase):
async def test_rule_engine_priority_and_stop(self):
async def pred_true(_ctx):
return True
async def act_first(_ctx):
return RuleResult(matched=True, stop=True, action="first", payload={"x": 1})
async def act_second(_ctx):
return RuleResult(matched=True, stop=True, action="second", payload={"x": 2})
engine = RuleEngine(
[
Rule(name="r2", priority=20, predicate=pred_true, action=act_second),
Rule(name="r1", priority=10, predicate=pred_true, action=act_first),
]
)
out = await engine.run(RuleContext())
self.assertTrue(out.matched)
self.assertEqual(out.action, "first")
self.assertEqual(out.payload["x"], 1)
def test_quote_state_machine_transitions(self):
sm = QuoteStateMachine(delay_turns=1)
st = _StubState()
st.pending_image_urls = ["u1"]
sm.refresh(st)
self.assertEqual(st.quote_phase, "collecting")
self.assertTrue(sm.should_defer_batch_quote(st, mark_ready=True))
self.assertEqual(st.quote_phase, "ready_to_quote")
self.assertEqual(st.quote_ready_turns, 0)
self.assertFalse(sm.should_defer_batch_quote(st, mark_ready=False))
def test_risk_service_reject_text(self):
svc = RiskService()
self.assertIn("地图", svc.build_reject_text("map"))
self.assertIn("政治", svc.build_reject_text("political"))
self.assertIn("涉黄", svc.build_reject_text("sexual"))
if __name__ == "__main__":
unittest.main(verbosity=2)

89
utils/observability.py Normal file
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from __future__ import annotations
import hashlib
import json
import logging
import time
from typing import Any, Dict, Optional
def build_trace_id(*parts: str) -> str:
raw = "|".join(str(p or "") for p in parts)
digest = hashlib.md5(raw.encode("utf-8")).hexdigest()
return digest[:16]
def emit_activity(
logger: logging.Logger,
*,
event: str,
trace_id: str = "",
customer_id: str = "",
result: str = "ok",
latency_ms: Optional[int] = None,
**fields: Any,
) -> None:
payload: Dict[str, Any] = {
"trace_id": trace_id or "-",
"customer_id": customer_id or "-",
"event": event,
"result": result,
}
if latency_ms is not None:
payload["latency_ms"] = int(max(0, latency_ms))
for k, v in (fields or {}).items():
if isinstance(v, str):
payload[k] = v[:400]
else:
payload[k] = v
try:
logger.info(f"[ACTIVITY] {json.dumps(payload, ensure_ascii=False)}")
except Exception:
logger.info(f"[ACTIVITY] {payload}")
class ActivityTimer:
def __init__(
self,
*,
logger: logging.Logger,
event: str,
trace_id: str = "",
customer_id: str = "",
**fields: Any,
):
self.logger = logger
self.event = event
self.trace_id = trace_id
self.customer_id = customer_id
self.fields = fields
self.start = time.monotonic()
def ok(self, **fields: Any) -> None:
elapsed_ms = int((time.monotonic() - self.start) * 1000)
merged = dict(self.fields)
merged.update(fields)
emit_activity(
self.logger,
event=self.event,
trace_id=self.trace_id,
customer_id=self.customer_id,
result="ok",
latency_ms=elapsed_ms,
**merged,
)
def fail(self, error: str, **fields: Any) -> None:
elapsed_ms = int((time.monotonic() - self.start) * 1000)
merged = dict(self.fields)
merged.update(fields)
emit_activity(
self.logger,
event=self.event,
trace_id=self.trace_id,
customer_id=self.customer_id,
result="error",
latency_ms=elapsed_ms,
error=error,
**merged,
)