wasm32 build is broken

[dstoc]

• error[E0560]: struct HarmonyEncoding has no field named conversation_has_function_tools
• error[E0433]: failed to resolve: use of undeclared type AtomicBool

harmony/src/registry.rs

Lines 118 to 120 in 508cbaa

	]),
	conversation_has_function_tools: Arc::new(AtomicBool::new(false)),
	})

• error[E0425]: cannot find function load_encoding_from_bytes in this scope

harmony/src/tiktoken_ext/public_encodings.rs

Lines 156 to 159 in 508cbaa

	#[cfg(target_arch = "wasm32")]
	{
	load_encoding_from_bytes(&vocab_bytes, None, specials, &self.pattern())
	}