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/generator/mod.rs

@@ -7,16 +7,21 @@ use anyhow::{Context, Result};
 /// Content generator using LLM
 pub struct ContentGenerator {
     llm_client: LlmClient,
+    template: Option<String>,
 }
 
 impl ContentGenerator {
     /// Create new content generator
     pub async fn new(manager: &ConfigManager) -> Result<Self> {
-        Self::new_with_think(manager, false).await
+        Self::new_with_think(manager, false, None).await
     }
 
-    /// Create new content generator with thinking override
-    pub async fn new_with_think(manager: &ConfigManager, think_override: bool) -> Result<Self> {
+    /// Create new content generator with thinking override and optional commit template
+    pub async fn new_with_think(
+        manager: &ConfigManager,
+        think_override: bool,
+        template: Option<String>,
+    ) -> Result<Self> {
         let mut thinking_enabled = if think_override {
             true
         } else {
@@ -42,7 +47,10 @@ impl ContentGenerator {
             anyhow::bail!("LLM provider '{}' is not available", manager.llm_provider());
         }
 
-        Ok(Self { llm_client })
+        Ok(Self {
+            llm_client,
+            template,
+        })
     }
 
     fn supports_thinking(provider: &str) -> bool {
@@ -66,7 +74,7 @@ impl ContentGenerator {
         };
 
         self.llm_client
-            .generate_commit_message(&truncated_diff, format, language)
+            .generate_commit_message(&truncated_diff, format, language, self.template.as_deref())
             .await
     }