refactor: unify prompt template system and add base branch support (#342)

* adjust default template

* remove fix command

* adjust default template

* x

* x

Author: CarlJi

CLAUDE.md

@@ -103,7 +103,6 @@ The system supports various AI instructions triggered through GitHub comments an
 **PR Collaboration Instructions:**
 
 - `/continue <instruction>` - Continue development in the PR, supporting custom instructions
-- `/fix <description>` - Fix code issues in the PR
 
 **Supported Scenarios:**
 

docs/codeagent-v0.1.md

@@ -309,7 +309,7 @@ services:
 
 ## 扩展功能
 
-- 支持多种触发命令（`/code`, `/fix`, `/refactor`）
+- 支持多种触发命令（`/code`, `/continue`）
 - 自定义代码生成模板
 - 多仓库支持
 - 执行历史记录

docs/codeagent-v0.5-en.md

@@ -15,7 +15,7 @@
 ### 2. Mode-based Processing System
 
 - **File**: `internal/modes/`
-- **TagHandler**: Handles command operations (`/code`, `/continue`, `/fix`)
+- **TagHandler**: Handles command operations (`/code`, `/continue`)
 - **AgentHandler**: Handles @mention events
 - **ReviewHandler**: Automatic PR review
 - **BaseHandler**: Unified handler interface and priority management
@@ -87,4 +87,4 @@
 - Full MCP tool integration
 - Advanced AI model support
 - Real-time collaboration features
-- Enhanced security and authentication
+- Enhanced security and authentication

docs/codeagent-v0.5.md

@@ -15,7 +15,7 @@
 ### 2. 模式化处理系统
 
 - **文件**: `internal/modes/`
-- **TagHandler**: 处理命令式操作(`/code`, `/continue`, `/fix`)
+- **TagHandler**: 处理命令式操作(`/code`, `/continue`)
 - **AgentHandler**: 处理@mention 事件
 - **ReviewHandler**: 自动 PR 审查
 - **BaseHandler**: 统一的处理器接口和优先级管理
@@ -41,7 +41,7 @@
 ### 5. MCP (Model Context Protocol) 基础架构
 
 - **文件**: `internal/mcp/`
-- **状态**: 基础架构实现，为未来AI工具集成做准备
+- **状态**: 基础架构实现，为未来 AI 工具集成做准备
 - **manager.go**: MCP 服务器管理框架
 - **client.go**: MCP 客户端接口定义
 - **servers/github\_\*.go**: GitHub API MCP 服务器模板
@@ -79,7 +79,7 @@
 ### 10. 统一命令解析
 
 - **文件**: `pkg/models/events.go`
-- **支持**: `/code`, `/continue`, `/fix` 命令
+- **支持**: `/code`, `/continue` 命令
 - **AI 模型参数**: `-claude`, `-gemini` 参数支持
 
 ### 11. PR Review 批量处理

internal/context/pr_formatter.go

@@ -69,33 +69,6 @@ func (f *PRFormatter) formatHeader(issueTitle string, issueNumber int) string {
 > **Closes #%d** | Auto-generated by CodeAgent 🤖`, issueTitle, issueNumber)
 }
 
-// formatIssueContext 格式化Issue上下文
-func (f *PRFormatter) formatIssueContext(title, body string) string {
-	var builder strings.Builder
-
-	builder.WriteString("## 📋 Original Issue\n\n")
-	builder.WriteString(fmt.Sprintf("**Title**: %s\n\n", title))
-
-	if body != "" {
-		// 清理和格式化body
-		cleanBody := f.cleanIssueBody(body)
-		if len(cleanBody) > f.maxDescriptionLength {
-			cleanBody = cleanBody[:f.maxDescriptionLength] + "..."
-		}
-		builder.WriteString("**Description**:\n")
-		builder.WriteString(cleanBody)
-	}
-
-	return builder.String()
-}
-
-// formatSummary 格式化摘要（原始版本）
-func (f *PRFormatter) formatSummary(summary string) string {
-	return fmt.Sprintf(`## 🎯 Implementation Summary
-
-%s`, f.formatMarkdownSection(summary))
-}
-
 // formatConciseSummary 格式化简洁摘要
 func (f *PRFormatter) formatConciseSummary(summary string) string {
 	// 提取核心描述，避免主观语言
@@ -172,13 +145,6 @@ func (f *PRFormatter) formatConciseSummary(summary string) string {
 %s`, concise)
 }
 
-// formatChanges 格式化变更详情
-func (f *PRFormatter) formatChanges(changes string) string {
-	return fmt.Sprintf(`## 📝 Changes Made
-
-%s`, f.formatMarkdownSection(changes))
-}
-
 // formatConciseChanges 格式化简洁变更
 func (f *PRFormatter) formatConciseChanges(changes string) string {
 	// 提取前3个关键变更点
@@ -212,13 +178,6 @@ func (f *PRFormatter) formatConciseChanges(changes string) string {
 	return result
 }
 
-// formatTestPlan 格式化测试计划
-func (f *PRFormatter) formatTestPlan(testPlan string) string {
-	return fmt.Sprintf(`## 🧪 Testing
-
-%s`, f.formatMarkdownSection(testPlan))
-}
-
 // formatTechnicalDetails 格式化技术细节
 func (f *PRFormatter) formatTechnicalDetails(aiOutput string) string {
 	// 提取关键信息
@@ -290,7 +249,6 @@ func (f *PRFormatter) cleanIssueBody(body string) string {
 	// 移除命令行
 	body = strings.ReplaceAll(body, "/code", "")
 	body = strings.ReplaceAll(body, "/continue", "")
-	body = strings.ReplaceAll(body, "/fix", "")
 
 	// 清理多余的空格和空行
 	body = strings.TrimSpace(body)
@@ -305,43 +263,6 @@ func (f *PRFormatter) cleanIssueBody(body string) string {
 	return body
 }
 
-// extractFromAIOutput 从AI输出中提取summary和changes
-func (f *PRFormatter) extractFromAIOutput(aiOutput string) (summary, changes string) {
-	lines := strings.Split(aiOutput, "\n")
-
-	var summaryLines, changesLines []string
-	currentSection := ""
-
-	for _, line := range lines {
-		trimmed := strings.TrimSpace(line)
-
-		// 检测章节标题
-		if strings.Contains(trimmed, "## 总结") || strings.Contains(trimmed, "## Summary") {
-			currentSection = "summary"
-			continue
-		} else if strings.Contains(trimmed, "## 改动") || strings.Contains(trimmed, "## Changes") ||
-			strings.Contains(trimmed, "## 修改") || strings.Contains(trimmed, "## 变更") {
-			currentSection = "changes"
-			continue
-		} else if strings.Contains(trimmed, "### ") && currentSection != "" {
-			// 子章节，继续当前部分
-		} else if strings.HasPrefix(trimmed, "## ") && currentSection != "" {
-			// 新的主章节，结束当前部分
-			currentSection = ""
-			continue
-		}
-
-		// 收集内容
-		if currentSection == "summary" && trimmed != "" && !strings.HasPrefix(trimmed, "##") {
-			summaryLines = append(summaryLines, trimmed)
-		} else if currentSection == "changes" && trimmed != "" && !strings.HasPrefix(trimmed, "##") {
-			changesLines = append(changesLines, trimmed)
-		}
-	}
-
-	return strings.Join(summaryLines, "\n"), strings.Join(changesLines, "\n")
-}
-
 // extractKeyPoints 从AI输出中提取关键点
 func (f *PRFormatter) extractKeyPoints(aiOutput string) []string {
 	var points []string