update sender info mapper

bin/chat-cli/src/app.rs

@@ -7,21 +7,12 @@ use arboard::Clipboard;
 use crossbeam_channel::Receiver;
 use logos_chat::{
     AccountDirectory, ChatClient, ChatStore, ConversationClass, Event, GroupMetadata,
-    MessageSender, RegistrationService, Transport,
+    RegistrationService, Transport,
 };
 use serde::{Deserialize, Serialize};
 
 use crate::utils::now;
 
-/// Who a displayed message is attributed to. `Foreign` carries a short sender
-/// label; `Own` is us (and, for now, system output). Leaves room to grow —
-/// e.g. a `System` variant for membership/metadata notices.
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub enum MessageOrigin {
-    Own,
-    Foreign(String),
-}
-
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct DisplayMessage {
     pub from_self: bool,
@@ -30,32 +21,32 @@ pub struct DisplayMessage {
     pub message_id: Option<String>,
     #[serde(default)]
     pub delivered_to: Vec<String>,
-    /// Who sent this message; attributes incoming group messages.
+    /// Who this message is attributed to: our own account vs. a peer (by account
+    /// address). The display name is resolved from the account at render time.
     pub origin: MessageOrigin,
 }
 
 impl DisplayMessage {
-    fn new(from_self: bool, content: String) -> Self {
+    fn new(from_self: bool, content: String, origin: MessageOrigin) -> Self {
         Self {
             from_self,
             content,
             timestamp: now(),
             message_id: None,
             delivered_to: Vec::new(),
-            origin: MessageOrigin::Own,
+            origin,
         }
     }
 }
 
-/// Short display label for a message's sender: the account (or device) id,
-/// truncated. Friendly naming (contacts/aliases) is a later phase.
-fn sender_label(sender: &MessageSender) -> String {
-    let id = sender
-        .account
-        .as_ref()
-        .map(|a| a.as_str())
-        .unwrap_or_else(|| sender.local_identity.as_str());
-    id[..8.min(id.len())].to_string()
+/// Attribution of a displayed message. `Own` is our own account (any of our
+/// devices); `Foreign` carries the sender's resolved account address, which the
+/// app maps to a display name. (Client resolves credential → account; the app
+/// resolves account → name.)
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum MessageOrigin {
+    Own,
+    Foreign(String),
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -241,13 +232,21 @@ where
                 sender,
             } => {
                 let chat_id = convo_id.to_string();
-                let label = sender_label(&sender);
+                // The client resolved the credential to an account; classify by it.
+                let origin = match sender.account.as_ref().map(|a| a.as_str()) {
+                    Some(account) if account == self.client.addr() => MessageOrigin::Own,
+                    Some(account) => MessageOrigin::Foreign(account.to_string()),
+                    // Unassociated device — no account claim; fall back to its signer id.
+                    None => MessageOrigin::Foreign(sender.local_identity.as_str().to_string()),
+                };
                 let Some(session) = self.state.chats.get_mut(&chat_id) else {
                     return;
                 };
-                let mut message =
-                    DisplayMessage::new(false, String::from_utf8_lossy(&content).into_owned());
-                message.origin = MessageOrigin::Foreign(label);
+                let message = DisplayMessage::new(
+                    false,
+                    String::from_utf8_lossy(&content).into_owned(),
+                    origin,
+                );
                 session.messages.push(message);
             }
             Event::MessageAcked {
@@ -324,7 +323,7 @@ where
             .map_err(|e| anyhow::anyhow!("{e:?}"))?;
 
         if let Some(session) = self.state.chats.get_mut(&chat_id) {
-            let mut message = DisplayMessage::new(true, content.to_string());
+            let mut message = DisplayMessage::new(true, content.to_string(), MessageOrigin::Own);
             // Kept so `MessageAcked` can find this message again.
             message.message_id = Some(message_id);
             session.messages.push(message);
@@ -335,8 +334,11 @@ where
     }
 
     fn add_system_message(&mut self, content: &str) {
-        self.command_output
-            .push(DisplayMessage::new(true, content.to_string()));
+        self.command_output.push(DisplayMessage::new(
+            true,
+            content.to_string(),
+            MessageOrigin::Own,
+        ));
     }
 
     pub fn handle_command(&mut self, cmd: &str) -> Result<Option<String>> {

bin/chat-cli/src/ui.rs

@@ -115,9 +115,11 @@ where
             let (prefix, style) = if msg.from_self {
                 ("You".to_string(), Style::default().fg(Color::Green))
             } else if is_group {
+                // App resolves a display name from the sender's account address —
+                // a truncation for now; a contacts/accounts lookup slots in here.
                 let label = match &msg.origin {
-                    crate::app::MessageOrigin::Foreign(name) => name.as_str(),
-                    crate::app::MessageOrigin::Own => remote_name,
+                    crate::app::MessageOrigin::Own => "you",
+                    crate::app::MessageOrigin::Foreign(account) => &account[..8.min(account.len())],
                 };
                 (label.to_string(), Style::default().fg(Color::Yellow))
             } else {