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

src/config/manager.rs

@@ -278,6 +278,22 @@ impl ConfigManager {
         Ok(())
     }
 
+    /// Delete a PAT from the keyring even when no config token entry exists.
+    /// Returns true if a keyring entry was deleted (issue 24).
+    pub fn delete_orphan_pat(&self, profile_name: &str, service: &str) -> Result<bool> {
+        if let Some(profile) = self.get_profile(profile_name) {
+            let user_email = &profile.user_email;
+            if self.keyring.has_pat(profile_name, user_email, service) {
+                self.keyring.delete_pat(profile_name, user_email, service)?;
+                Ok(true)
+            } else {
+                Ok(false)
+            }
+        } else {
+            Ok(false)
+        }
+    }
+
     /// Delete all PAT tokens for a profile (used when removing a profile)
     pub fn delete_all_pats_for_profile(&self, profile_name: &str) -> Result<()> {
         if let Some(profile) = self.get_profile(profile_name) {
@@ -658,6 +674,17 @@ impl ConfigManager {
         self.modified = true;
     }
 
+    /// Check if emoji decorations are enabled
+    pub fn emoji_enabled(&self) -> bool {
+        self.config.output.emoji
+    }
+
+    /// Set emoji decorations flag
+    pub fn set_emoji_enabled(&mut self, enabled: bool) {
+        self.config.output.emoji = enabled;
+        self.modified = true;
+    }
+
     /// Export configuration to TOML string
     pub fn export(&self) -> Result<String> {
         toml::to_string_pretty(&self.config).context("Failed to serialize config")