Init tokenizer in consciousness binary main

The consciousness binary has its own main() separate from poc-memory.
Agent::new() creates ContextEntries which need the tokenizer, so it
must be initialized before Mind::new().

Co-Authored-By: Proof of Concept <poc@bcachefs.org>

src/user/mod.rs

@@ -522,6 +522,13 @@ pub enum SubCmd {
 
 #[tokio::main]
 pub async fn main() {
+    // Initialize the Qwen tokenizer for direct token generation
+    let tokenizer_path = dirs::home_dir().unwrap_or_default()
+        .join(".consciousness/tokenizer-qwen35.json");
+    if tokenizer_path.exists() {
+        crate::agent::tokenizer::init(&tokenizer_path.to_string_lossy());
+    }
+
     let cli = CliArgs::parse();
 
     if cli.show_config {