feat(changelog): 添加 --no-generate 标志以支持纯模板生成

- 新增 `--no-generate` 参数，强制使用模板生成而非 AI
- 调整 `--yes` 参数仅跳过交互提示，不改变生成行为
- 统一使用工具函数替代 println 输出

tests/gitignore_tests.rs

@@ -115,7 +115,8 @@ fn test_stage_all_removes_ignored_tracked_files() {
     write_file(repo_path, "__pycache__/foo.pyc", "modified bytecode");
 
     let repo = GitRepo::open(repo_path).expect("Failed to open repo");
-    let removed = repo.stage_all().expect("stage_all should succeed");
+    let messages = quicommit::i18n::Messages::new(quicommit::config::Language::English);
+    let removed = repo.stage_all(&messages).expect("stage_all should succeed");
 
     assert!(
         removed.iter().any(|f| f == "__pycache__/foo.pyc"),
@@ -142,7 +143,8 @@ fn test_stage_all_no_ignored_files_returns_empty() {
     write_file(repo_path, "src/main.rs", "fn main() {}");
 
     let repo = GitRepo::open(repo_path).expect("Failed to open repo");
-    let removed = repo.stage_all().expect("stage_all should succeed");
+    let messages = quicommit::i18n::Messages::new(quicommit::config::Language::English);
+    let removed = repo.stage_all(&messages).expect("stage_all should succeed");
 
     assert!(
         removed.is_empty(),