初始提交：识流 AI 助手项目

微信自动回复机器人，基于截图+OCR识别消息，支持关键词规则和 AI（OpenAI/DeepSeek/Dify）自动回复。
技术栈：PySide6 + Flask + Vue3 + RapidOCR + SQLite

注：OCR大模型文件（.onnx / .pdiparams）不纳入版本控制，需单独下载。

🤖 Generated with [Qoder][https://qoder.com]

app/infrastructure/service/logging/log_schema.py

@@ -0,0 +1,86 @@
+from dataclasses import dataclass, field
+from datetime import datetime
+from typing import Any
+
+
+MODULES = {"api", "bot", "ocr", "ai", "db", "capture", "audit", "error"}
+DOMAIN_MODULES = {"api", "bot", "ocr", "ai", "db", "capture"}
+
+ALLOWED_EVENTS = {
+    "api.bot.status",
+    "api.bot.start",
+    "api.bot.stop",
+    "api.messages.receive",
+    "audit.decision",
+    "bot.chat_analyze",
+    "bot.chat_snapshot",
+    "bot.loop",
+    "bot.session_scan",
+    "bot.session_service.init",
+    "bot.session_title",
+    "bot.submit",
+    "bot.unread.detect",
+    "bot.unread.scan",
+    "ocr.baidu.token",
+    "ocr.baidu.recognize",
+    "ocr.rapid.init",
+    "ocr.rapid.recognize",
+    "ocr.fallback",
+    "ocr.session_name",
+    "ocr.session_title",
+    "ocr.generic",
+    "capture.contact_list",
+    "capture.session_title",
+    "capture.chat_area",
+    "ai.request",
+    "ai.response",
+    "db.init",
+    "db.error",
+    "db.rule.query",
+    "db.rule.match",
+}
+
+
+def normalize_event(module: str, event: str) -> str:
+    e = str(event or "").strip().lower()
+    m = str(module or "").strip().lower()
+    if e in ALLOWED_EVENTS:
+        return e
+    if "." in e:
+        prefix = e.split(".", 1)[0]
+        if prefix in DOMAIN_MODULES:
+            return e
+    if m in DOMAIN_MODULES:
+        return f"{m}.unknown"
+    return "api.unknown"
+
+
+@dataclass
+class LogEvent:
+    level: str
+    module: str
+    event: str
+    trace_id: str
+    stage: str
+    status: str
+    message: str
+    reason: str = ""
+    extra: dict[str, Any] = field(default_factory=dict)
+    ts: str = ""
+
+    def to_dict(self) -> dict[str, Any]:
+        ts = self.ts or datetime.now().astimezone().isoformat(timespec="milliseconds")
+        module = self.module if self.module in MODULES else "api"
+        event = normalize_event(module, self.event)
+        return {
+            "ts": ts,
+            "level": (self.level or "INFO").upper(),
+            "module": module,
+            "event": event,
+            "trace_id": self.trace_id or "-",
+            "stage": self.stage or "-",
+            "status": self.status or "ok",
+            "reason": self.reason or "",
+            "message": self.message or "",
+            "extra": self.extra or {},
+        }