feat: Initialize wxauto WeChat automation project with job extraction tools

- Add wxauto package with WeChat UI automation and message handling capabilities
- Implement job_extractor.py for automated job posting extraction from WeChat groups
- Add job_extractor_gui.py providing graphical interface for job extraction tool
- Create comprehensive documentation in Chinese covering GUI usage, multi-group support, and quick start guides
- Add build configuration files (build_exe.py, build_exe.spec) for packaging as standalone executable
- Include utility scripts for WeChat interaction (auto_send_msg.py, get_history.py, receive_file_transfer.py)
- Add project configuration files (pyproject.toml, setup.cfg, requirements.txt)
- Include test files (test_api.py, test_com_fix.py) for API and compatibility validation
- Add Apache 2.0 LICENSE and comprehensive README documentation
- Configure .gitignore to exclude build artifacts, logs, and temporary files

wxauto/msgs/attr.py

@@ -0,0 +1,85 @@
+from .base import *
+from wxauto.utils.tools import (
+    parse_wechat_time
+)
+
+class SystemMessage(BaseMessage):
+    attr = 'system'
+    
+    def __init__(
+            self, 
+            control: uia.Control, 
+            parent: "ChatBox"
+        ):
+        super().__init__(control, parent)
+        self.sender = 'system'
+        self.sender_remark = 'system'
+
+class TickleMessage(SystemMessage):
+    attr = 'tickle'
+    
+    def __init__(
+            self, 
+            control: uia.Control, 
+            parent: "ChatBox"
+        ):
+        super().__init__(control, parent)
+        self.tickle_list = [
+            i.Name for i in 
+            control.ListItemControl().GetParentControl().GetChildren()
+        ]
+        self.content = f"[{len(self.tickle_list)}条]{self.tickle_list[0]}"
+
+
+class TimeMessage(SystemMessage):
+    attr = 'time'
+    
+    def __init__(
+            self, 
+            control: uia.Control, 
+            parent: "ChatBox"
+        ):
+        super().__init__(control, parent)
+        self.time = parse_wechat_time(self.content)
+
+class FriendMessage(HumanMessage):
+    attr = 'friend'
+    
+    def __init__(
+            self, 
+            control: uia.Control, 
+            parent: "ChatBox"
+        ):
+        super().__init__(control, parent)
+        self.head_control = self.control.ButtonControl(RegexName='.*?')
+        self.sender = self.head_control.Name
+        if (
+            (remark_control := self.control.TextControl()).Exists(0)
+            and remark_control.BoundingRectangle.top < self.head_control.BoundingRectangle.top
+        ):
+            self.sender_remark = remark_control.Name
+        else:
+            self.sender_remark = self.sender
+
+    @property
+    def _xbias(self):
+        if WxParam.FORCE_MESSAGE_XBIAS:
+            return int(self.head_control.BoundingRectangle.width()*1.5)
+        return WxParam.DEFAULT_MESSAGE_XBIAS
+
+
+class SelfMessage(HumanMessage):
+    attr = 'self'
+    
+    def __init__(
+            self, 
+            control: uia.Control, 
+            parent: "ChatBox"
+        ):
+        super().__init__(control, parent)
+    
+    @property
+    def _xbias(self):
+        if WxParam.FORCE_MESSAGE_XBIAS:
+            return -int(self.head_control.BoundingRectangle.width()*1.5)
+        return -WxParam.DEFAULT_MESSAGE_XBIAS