Implement local short name retrieval and update reply prefix logic for outgoing messages

contact/utilities/utils.py

@@ -160,12 +160,26 @@ def get_time_ago(timestamp):
 REPLY_EXCERPT_LENGTH = 5
 
 
+def _local_short_name() -> str:
+    """Return this node's short name without depending on the message database."""
+    nodes = getattr(interface_state.interface, "nodes", {}) or {}
+    for node in nodes.values():
+        if node.get("num") == interface_state.myNodeNum:
+            short_name = node.get("user", {}).get("shortName")
+            if short_name:
+                return str(short_name)
+    return ""
+
+
 def build_reply_prefix(prefix: str, message: str) -> str:
     """Create Contact's local display marker for a native Meshtastic reply."""
     sender_text = re.sub(r"^\[[^]]+\]\s*", "", prefix).strip()
-    sender_text = re.sub(r"^(?:>>|<<)\s*(?:\[[^]]+\]\s*)?", "", sender_text)
-    sender_match = re.search(r"(.+?)\s*:\s*$", sender_text)
-    sender = sender_match.group(1).strip() if sender_match else "me"
+    if sender_text.startswith(config.sent_message_prefix.strip()):
+        sender = _local_short_name()
+    else:
+        sender_text = re.sub(r"^(?:>>|<<)\s*(?:\[[^]]+\]\s*)?", "", sender_text)
+        sender_match = re.search(r"(.+?)\s*:\s*$", sender_text)
+        sender = sender_match.group(1).strip() if sender_match else "me"
     excerpt = " ".join(message.replace("\x00", "").split())[:REPLY_EXCERPT_LENGTH]
     return f"<Re: {sender}: {excerpt}> "
 

tests/test_contact_ui.py

@@ -1,4 +1,5 @@
 import unittest
+from types import SimpleNamespace
 from unittest import mock
 
 import contact.ui.default_config as config
@@ -110,6 +111,15 @@ class ContactUiTests(unittest.TestCase):
 
         self.assertEqual(reply, "<Re: B1G1: This > ")
 
+    def test_build_reply_prefix_uses_me_for_an_outgoing_message(self) -> None:
+        contact_ui.interface_state.myNodeNum = 123
+        contact_ui.interface_state.interface = SimpleNamespace(
+            nodes={"!0000007b": {"num": 123, "user": {"shortName": "LRY"}}}
+        )
+        reply = contact_ui.build_reply_prefix("[06:27:25] >> Sent[☼]: ", "Thanks Lairy")
+
+        self.assertEqual(reply, "<Re: LRY: Thank> ")
+
     def test_handle_ctrl_r_prefills_reply_for_message_at_cursor(self) -> None:
         ui_state.current_window = 1
         ui_state.channel_list = ["Primary"]