first attempt at trying to keep track of locally send id

core/kordophone-db/migrations/2025-09-12-000001_add_message_aliases/down.sql

@@ -0,0 +1,3 @@
+-- Drop the alias mapping table
+DROP TABLE IF EXISTS `message_aliases`;
+

core/kordophone-db/migrations/2025-09-12-000001_add_message_aliases/up.sql

@@ -0,0 +1,7 @@
+-- Add table to map local (client) IDs to server message GUIDs
+CREATE TABLE IF NOT EXISTS `message_aliases` (
+    `local_id` TEXT NOT NULL PRIMARY KEY,
+    `server_id` TEXT NOT NULL UNIQUE,
+    `conversation_id` TEXT NOT NULL
+);
+

core/kordophone-db/src/repository.rs

@@ -307,8 +307,11 @@ impl<'a> Repository<'a> {
     }
 
     pub fn delete_all_messages(&mut self) -> Result<()> {
-        use crate::schema::messages::dsl::*;
+        use crate::schema::messages::dsl as messages_dsl;
-        diesel::delete(messages).execute(self.connection)?;
+        use crate::schema::message_aliases::dsl as aliases_dsl;
+
+        diesel::delete(messages_dsl::messages).execute(self.connection)?;
+        diesel::delete(aliases_dsl::message_aliases).execute(self.connection)?;
         Ok(())
     }
 
@@ -359,6 +362,57 @@ impl<'a> Repository<'a> {
         )
     }
 
+    /// Create or update an alias mapping between a local (client) message id and a server message id.
+    pub fn set_message_alias(
+        &mut self,
+        local_id_in: &str,
+        server_id_in: &str,
+        conversation_id_in: &str,
+    ) -> Result<()> {
+        use crate::schema::message_aliases::dsl::*;
+        diesel::replace_into(message_aliases)
+            .values((
+                local_id.eq(local_id_in),
+                server_id.eq(server_id_in),
+                conversation_id.eq(conversation_id_in),
+            ))
+            .execute(self.connection)?;
+        Ok(())
+    }
+
+    /// Returns the local id for a given server id, if any.
+    pub fn get_local_id_for(&mut self, server_id_in: &str) -> Result<Option<String>> {
+        use crate::schema::message_aliases::dsl::*;
+        let result = message_aliases
+            .filter(server_id.eq(server_id_in))
+            .select(local_id)
+            .first::<String>(self.connection)
+            .optional()?;
+        Ok(result)
+    }
+
+    /// Batch lookup: returns a map server_id -> local_id for the provided server ids.
+    pub fn get_local_ids_for(
+        &mut self,
+        server_ids_in: Vec<String>,
+    ) -> Result<HashMap<String, String>> {
+        use crate::schema::message_aliases::dsl::*;
+        if server_ids_in.is_empty() {
+            return Ok(HashMap::new());
+        }
+
+        let rows: Vec<(String, String)> = message_aliases
+            .filter(server_id.eq_any(&server_ids_in))
+            .select((server_id, local_id))
+            .load::<(String, String)>(self.connection)?;
+
+        let mut map = HashMap::new();
+        for (sid, lid) in rows {
+            map.insert(sid, lid);
+        }
+        Ok(map)
+    }
+
     /// Update the contact_id for an existing participant record.
     pub fn update_participant_contact(
         &mut self,

core/kordophone-db/src/schema.rs

@@ -44,6 +44,14 @@ diesel::table! {
     }
 }
 
+diesel::table! {
+    message_aliases (local_id) {
+        local_id -> Text,
+        server_id -> Text,
+        conversation_id -> Text,
+    }
+}
+
 diesel::table! {
     settings (key) {
         key -> Text,
@@ -62,5 +70,6 @@ diesel::allow_tables_to_appear_in_same_query!(
     conversation_participants,
     messages,
     conversation_messages,
+    message_aliases,
     settings,
 );

core/kordophoned/src/daemon/mod.rs

@@ -347,7 +347,16 @@ impl Daemon {
                 self.database
                     .lock()
                     .await
-                    .with_repository(|r| r.insert_message(&conversation_id, message.into()))
+                    .with_repository(|r| {
+                        // 1) Insert the server message
+                        r.insert_message(&conversation_id, message.clone().into())?;
+                        // 2) Persist alias local -> server for stable UI ids
+                        r.set_message_alias(
+                            &outgoing_message.guid.to_string(),
+                            &message.id,
+                            &conversation_id,
+                        )
+                    })
                     .await
                     .unwrap();
 
@@ -448,18 +457,38 @@ impl Daemon {
             .get(&conversation_id)
             .unwrap_or(&empty_vec);
 
-        self.database
+        // Fetch DB messages and an alias map (server_id -> local_id) in one DB access.
+        let (db_messages, alias_map) = self
+            .database
             .lock()
             .await
             .with_repository(|r| {
-                r.get_messages_for_conversation(&conversation_id)
+                let msgs = r.get_messages_for_conversation(&conversation_id).unwrap();
-                    .unwrap()
+                let ids: Vec<String> = msgs.iter().map(|m| m.id.clone()).collect();
-                    .into_iter()
+                let map = r.get_local_ids_for(ids).unwrap_or_default();
-                    .map(|m| m.into()) // Convert db::Message to daemon::Message
+                (msgs, map)
-                    .chain(outgoing_messages.into_iter().map(|m| m.into()))
-                    .collect()
             })
-            .await
+            .await;
+
+        // Convert DB messages to daemon model, substituting local_id when an alias exists.
+        let mut result: Vec<Message> = Vec::with_capacity(
+            db_messages.len() + outgoing_messages.len(),
+        );
+        for m in db_messages.into_iter() {
+            let server_id = m.id.clone();
+            let mut dm: Message = m.into();
+            if let Some(local_id) = alias_map.get(&server_id) {
+                dm.id = local_id.clone();
+            }
+            result.push(dm);
+        }
+
+        // Append pending outgoing messages (these already use local_id)
+        for om in outgoing_messages.iter() {
+            result.push(om.into());
+        }
+
+        result
     }
 
     async fn enqueue_outgoing_message(