feat(commit): 添加提交消息模板支持

- 移除 config 命令中未使用的 List 子命令及相关显示字段
- 统一 ChangelogCommand 和 CommitCommand 的 ContentGenerator 初始化方式

src/llm/mod.rs

@@ -201,8 +201,16 @@ impl LlmClient {
         diff: &str,
         format: crate::config::CommitFormat,
         language: Language,
+        template: Option<&str>,
     ) -> Result<GeneratedCommit> {
-        let system_prompt = get_commit_system_prompt(format, language);
+        let mut system_prompt = get_commit_system_prompt(format, language).to_string();
+
+        if let Some(tmpl) = template {
+            system_prompt.push_str(&format!(
+                "\n\n## Commit Message Template\nFollow this template structure:\n{}",
+                tmpl
+            ));
+        }
 
         // Add language instruction to the prompt
         let language_instruction = match language {
@@ -218,7 +226,7 @@ impl LlmClient {
         let prompt = format!("{}{}", diff, language_instruction);
         let response = self
             .provider
-            .generate_with_system(system_prompt, &prompt)
+            .generate_with_system(&system_prompt, &prompt)
             .await?;
 
         self.parse_commit_response(&response, format)