adds the ability to clear db

kpcli/src/daemon/mod.rs

@@ -42,6 +42,9 @@ pub enum Commands {
         conversation_id: String,
         last_message_id: Option<String>,
     },
+
+    /// Deletes all conversations.
+    DeleteAllConversations,
 }
 
 #[derive(Subcommand)]
@@ -75,6 +78,7 @@ impl Commands {
             Commands::Config { command } => client.config(command).await,
             Commands::Signals => client.wait_for_signals().await,
             Commands::Messages { conversation_id, last_message_id } => client.print_messages(conversation_id, last_message_id).await,
+            Commands::DeleteAllConversations => client.delete_all_conversations().await,
         }
     }
 }
@@ -188,4 +192,8 @@ impl DaemonCli {
             .map_err(|e| anyhow::anyhow!("Failed to set credential item: {}", e))
     }
 
+    pub async fn delete_all_conversations(&mut self) -> Result<()> {
+        KordophoneRepository::delete_all_conversations(&self.proxy())
+            .map_err(|e| anyhow::anyhow!("Failed to delete all conversations: {}", e))
+    }
 }