From 13c53904c5ddea86c077a057d5987f732e8fc974 Mon Sep 17 00:00:00 2001
From: ax_rd <ax_rd@aisim.cn>
Date: Thu, 03 Sep 2026 12:20:41 +0800
Subject: [PATCH] feat: explore 命令(字节预算 + 段落级原文直出 + 关联清单 + 悬空链接提示)

---
 cmd/index.go |  113 +++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 99 insertions(+), 14 deletions(-)

diff --git a/cmd/index.go b/cmd/index.go
index a5f7c77..4678803 100644
--- a/cmd/index.go
+++ b/cmd/index.go
@@ -3,8 +3,10 @@
 import (
 	"fmt"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"github.com/aisim/kb-cli/internal/index"
 	"github.com/spf13/cobra"
@@ -15,29 +17,51 @@
 	Short: "索引管理",
 }
 
+// forceRebuild index build 的 --force flag:全量重建索引
+var forceRebuild bool
+
 var indexBuildCmd = &cobra.Command{
 	Use:   "build",
 	Short: "构建或重建知识库索引",
+	Long:  `kb-cli index build [--vault <路径>] [--db <路径>] [--force] # 构建或重建知识库索引(默认增量对账,--force 全量重建)`,
 	RunE:  runIndexBuild,
 }
 
 var indexStatusCmd = &cobra.Command{
 	Use:   "status",
 	Short: "查看索引状态信息",
+	Long:  `kb-cli index status [--vault <路径>] [--db <路径>] # 查看索引状态(节点数、边数、commit、构建时间)`,
 	RunE:  runIndexStatus,
 }
 
 var indexGcCmd = &cobra.Command{
 	Use:   "gc",
 	Short: "清理孤立节点和边",
+	Long:  `kb-cli index gc [--vault <路径>] [--db <路径>] # 清理索引中文件已删除的孤立节点和边`,
 	RunE:  runIndexGc,
 }
 
+var gitCmd = &cobra.Command{
+	Use:   "git",
+	Short: "Git 同步操作",
+}
+
+var gitSyncCmd = &cobra.Command{
+	Use:   "sync",
+	Short: "同步知识库到 Git 仓库",
+	Long:  `kb-cli git sync [--vault <路径>] # 执行 git add、commit、push 同步知识库`,
+	RunE:  runGitSync,
+}
+
 func init() {
 	rootCmd.AddCommand(indexCmd)
 	indexCmd.AddCommand(indexBuildCmd)
 	indexCmd.AddCommand(indexStatusCmd)
 	indexCmd.AddCommand(indexGcCmd)
+	indexBuildCmd.Flags().BoolVar(&forceRebuild, "force", false, "全量重建索引(默认走增量对账)")
+	
+	rootCmd.AddCommand(gitCmd)
+	gitCmd.AddCommand(gitSyncCmd)
 }
 
 func runIndexBuild(cmd *cobra.Command, args []string) error {
@@ -48,19 +72,26 @@
 	}
 	defer store.Close()
 
-	// 获取当前 commit
-	commit, err := index.GetGitCommit(vaultPath)
-	if err != nil {
-		fmt.Fprintln(os.Stderr, "警告: 无法获取 git commit:", err)
-		commit = ""
+	if forceRebuild {
+		// 全量重建
+		commit, err := index.GetGitCommit(vaultPath)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, "警告: 无法获取 git commit:", err)
+			commit = ""
+		}
+		fmt.Fprintln(os.Stderr, "正在全量重建索引...")
+		if err := rebuildFull(store, commit); err != nil {
+			return fmt.Errorf("重建索引失败: %w", err)
+		}
+		fmt.Fprintln(os.Stderr, "索引重建完成")
+		return nil
 	}
 
-	fmt.Fprintln(os.Stderr, "正在重建索引...")
-	if err := rebuildIndex(store, commit); err != nil {
-		return fmt.Errorf("重建索引失败: %w", err)
+	// 默认走增量对账
+	if err := syncIndex(store); err != nil {
+		return fmt.Errorf("增量同步失败: %w", err)
 	}
-
-	fmt.Fprintln(os.Stderr, "索引重建完成")
+	fmt.Fprintln(os.Stderr, "索引同步完成")
 	return nil
 }
 
@@ -107,14 +138,14 @@
 	fmt.Printf("  当前 commit: %s\n", currentCommit)
 	fmt.Printf("  构建时间: %s\n", builtAt)
 
-	// 检查是否需要更新
-	needsRebuild, _, err := index.NeedsRebuild(store, vaultPath)
+	// 检查是否有变更(stat 快速比对)
+	dirty, err := index.QuickCheck(store, vaultPath)
 	if err != nil {
 		return fmt.Errorf("检查索引状态失败: %w", err)
 	}
 
-	if needsRebuild {
-		fmt.Printf("  状态: 需要更新\n")
+	if dirty {
+		fmt.Printf("  状态: 有变更\n")
 	} else {
 		fmt.Printf("  状态: 最新\n")
 	}
@@ -173,3 +204,57 @@
 	fmt.Fprintf(os.Stderr, "已清理 %d 个孤立节点\n", deletedCount)
 	return nil
 }
+
+func runGitSync(cmd *cobra.Command, args []string) error {
+	// 展开 ~ 为实际路径
+	expandedVaultPath := vaultPath
+	if strings.HasPrefix(vaultPath, "~/") {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return fmt.Errorf("获取用户目录失败: %w", err)
+		}
+		expandedVaultPath = filepath.Join(home, vaultPath[2:])
+	}
+
+	fmt.Fprintln(os.Stderr, "正在同步知识库到 Git 仓库...")
+
+	// 检查是否是 git 仓库
+	gitDir := filepath.Join(expandedVaultPath, ".git")
+	if _, err := os.Stat(gitDir); os.IsNotExist(err) {
+		return fmt.Errorf("知识库目录不是 Git 仓库: %s", expandedVaultPath)
+	}
+
+	// 执行 git add -A
+	addCmd := exec.Command("git", "-C", expandedVaultPath, "add", "-A")
+	if output, err := addCmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("git add 失败: %w\n%s", err, output)
+	}
+
+	// 检查是否有变更
+	statusCmd := exec.Command("git", "-C", expandedVaultPath, "status", "--porcelain")
+	statusOutput, err := statusCmd.Output()
+	if err != nil {
+		return fmt.Errorf("git status 失败: %w", err)
+	}
+
+	if len(statusOutput) == 0 {
+		fmt.Fprintln(os.Stderr, "没有变更需要提交")
+		return nil
+	}
+
+	// 生成 commit 信息
+	commitMsg := fmt.Sprintf("kb-cli: 自动同步 %s", time.Now().Format("2006-01-02 15:04:05"))
+	commitCmd := exec.Command("git", "-C", expandedVaultPath, "commit", "-m", commitMsg)
+	if output, err := commitCmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("git commit 失败: %w\n%s", err, output)
+	}
+
+	// 执行 git push
+	pushCmd := exec.Command("git", "-C", expandedVaultPath, "push")
+	if output, err := pushCmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("git push 失败: %w\n%s", err, output)
+	}
+
+	fmt.Fprintln(os.Stderr, "Git 同步完成")
+	return nil
+}

--
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