refactor: rename llm worker crate to engine

crates/provider/Cargo.toml

@@ -8,7 +8,7 @@ license.workspace = true
 async-trait = { workspace = true }
 base64 = "0.22.1"
 chrono = { version = "0.4", default-features = false, features = ["serde", "clock"] }
-llm-worker = { workspace = true }
+llm-engine = { workspace = true }
 manifest = { workspace = true }
 secrets = { workspace = true }
 reqwest = { version = "0.13", features = ["json", "native-tls"] }

crates/provider/README.md

@@ -2,7 +2,7 @@
 
 ## Role
 
-`provider` resolves model/provider configuration and constructs provider-specific LLM clients for `llm-worker`.
+`provider` resolves model/provider configuration and constructs provider-specific LLM clients for `llm-engine`.
 
 ## Boundaries
 
@@ -16,14 +16,14 @@ Owns:
 
 Does not own:
 
-- Worker turn lifecycle (`llm-worker`)
+- Engine turn lifecycle (`llm-engine`)
 - secret storage internals (`secrets`)
 - Pod lifecycle (`pod`)
 - product CLI parsing (`yoi`)
 
 ## Design notes
 
-Provider API facts drift. Keep wire-format, auth, catalog, and capability differences here so Worker semantics remain stable.
+Provider API facts drift. Keep wire-format, auth, catalog, and capability differences here so Engine semantics remain stable.
 
 Codex OAuth is a separate integration from normal provider secret refs because its local file shape and lifecycle differ.
 

crates/provider/src/catalog.rs

@@ -15,7 +15,7 @@
 
 use std::path::{Path, PathBuf};
 
-use llm_worker::llm_client::capability::ModelCapability;
+use llm_engine::llm_client::capability::ModelCapability;
 use manifest::{AuthRef, ModelManifest, SchemeKind};
 use serde::{Deserialize, Serialize};
 

crates/provider/src/codex_oauth/error.rs

@@ -6,7 +6,7 @@
 
 use std::path::PathBuf;
 
-use llm_worker::llm_client::ClientError;
+use llm_engine::llm_client::ClientError;
 use thiserror::Error;
 
 #[derive(Debug, Error)]

crates/provider/src/codex_oauth/mod.rs

@@ -4,8 +4,8 @@
 //!
 //! 設計:
 //!
-//! - llm-worker は [`AuthProvider`] trait しか知らず、実体である
-//!   [`CodexAuthProvider`] はこのクレートに置く（feedback_llm_worker_scope）
+//! - llm-engine は [`AuthProvider`] trait しか知らず、実体である
+//!   [`CodexAuthProvider`] はこのクレートに置く（feedback_llm_engine_scope）
 //! - access_token JWT の `exp` を読み、`now` 以下で proactive refresh
 //!   （Codex CLI と同じバッファなし）
 //! - 並行する Codex CLI / 別 yoi の refresh と取り違えないよう、
@@ -23,7 +23,7 @@ use std::sync::Arc;
 
 use async_trait::async_trait;
 use chrono::{Duration, Utc};
-use llm_worker::llm_client::{ClientError, auth::AuthProvider};
+use llm_engine::llm_client::{ClientError, auth::AuthProvider};
 use reqwest::header::{HeaderName, HeaderValue};
 use tokio::sync::Mutex;
 

crates/provider/src/lib.rs

@@ -10,7 +10,7 @@
 //!    default_capability > scheme 既定 の順でフォールバック（上位 3 段は
 //!    `catalog::resolve_model_manifest` が [`ModelConfig`] に詰め込む）
 //!
-//! llm-worker は低レベル基盤に留める方針なので、高レベル側で必要に
+//! llm-engine は低レベル基盤に留める方針なので、高レベル側で必要に
 //! なる認証ストア解決（Codex OAuth の `~/.codex/auth.json` 読取等）は
 //! このクレートに追加する。
 
@@ -19,7 +19,7 @@ pub mod codex_oauth;
 
 use std::sync::Arc;
 
-use llm_worker::llm_client::{
+use llm_engine::llm_client::{
     LlmClient,
     capability::ModelCapability,
     scheme::{