refactor(core): remove provider module, migrate to LLMProvider, add client mode handling, improve serialization error handling, update workspace edition, and clean up conditionals and imports

crates/owlen-core/src/tools/code_exec.rs

@@ -2,9 +2,9 @@ use std::sync::Arc;
 use std::time::Instant;
 
 use crate::Result;
-use anyhow::{anyhow, Context};
+use anyhow::{Context, anyhow};
 use async_trait::async_trait;
-use serde_json::{json, Value};
+use serde_json::{Value, json};
 
 use super::{Tool, ToolResult};
 use crate::sandbox::{SandboxConfig, SandboxedProcess};