Fix /about version: bump to 0.2.0 (Abyssinian)

- Cargo.toml version 0.1.0 → 0.2.0
- VERSION constant now uses env!("CARGO_PKG_VERSION") + release name
  so it always matches Cargo.toml automatically
- /about now shows "NyahAO v0.2.0 (Abyssinian)"

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: SyntaxNyah

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "nyahao"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 [dependencies]

Cargo.toml

@@ -95,7 +95,7 @@ Commands:
 }
 
 fn cmd_about(session: &mut ClientSession, state: &Arc<ServerState>) {
-    session.server_message(&state.config.server.name, &format!("NyahAO v0.1.0 - Privacy-first AO2 server"));
+    session.server_message(&state.config.server.name, &format!("{} - Privacy-first AO2 server", crate::server::VERSION));
 }
 
 async fn cmd_who(session: &mut ClientSession, state: &Arc<ServerState>) {

src/commands/registry.rs

@@ -21,7 +21,7 @@ use crate::{
     storage::EncryptedDb,
 };
 
-pub const VERSION: &str = "NyahAO v0.1.0";
+pub const VERSION: &str = concat!("NyahAO v", env!("CARGO_PKG_VERSION"), " (Abyssinian)");
 
 /// Cached snapshot of the last-broadcast ARUP values.
 ///