From 4eb5c1a93559a27b126034a2471ae19c82998520 Mon Sep 17 00:00:00 2001
From: ax_rd <ax_rd@aisim.cn>
Date: Thu, 03 Sep 2026 09:57:28 +0800
Subject: [PATCH] feat: 增量对账 reconcile——(size,mtime,sha256) 对账替代 commit 判据,index build 默认增量

---
 cmd/rebuild.go |   54 +++++++++++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 47 insertions(+), 7 deletions(-)

diff --git a/cmd/rebuild.go b/cmd/rebuild.go
index 4c488cd..a93794f 100644
--- a/cmd/rebuild.go
+++ b/cmd/rebuild.go
@@ -10,8 +10,8 @@
 	"github.com/aisim/kb-cli/internal/vault"
 )
 
-// rebuildIndex 重建索引:扫描 vault → 构建图 → 写入 SQLite
-func rebuildIndex(store *index.Store, commit string) error {
+// rebuildFull 全量重建索引:扫描 vault → 构建图 → 写入 SQLite
+func rebuildFull(store *index.Store, commit string) error {
 	// 清空旧数据
 	if err := store.ClearData(); err != nil {
 		return fmt.Errorf("清空数据失败: %w", err)
@@ -28,18 +28,39 @@
 	// 构建图
 	g := graph.BuildGraph(files)
 
-	// 写入节点
+	// 写入节点,并记录 BuildGraph ID -> SQLite ID 的映射
+	idMap := make(map[int64]int64) // BuildGraph ID -> SQLite ID
 	for _, n := range g.Nodes {
-		if _, err := store.InsertNode(n); err != nil {
+		sqliteID, err := store.InsertNode(n)
+		if err != nil {
 			return fmt.Errorf("插入节点失败 [%s]: %w", n.Path, err)
 		}
+		idMap[n.ID] = sqliteID
 	}
 
-	// 写入边
+	// 写入边,将 BuildGraph ID 转换为 SQLite ID
+	actualEdgeCount := 0
 	for _, e := range g.Edges {
-		if err := store.InsertEdge(e); err != nil {
+		fromID, ok := idMap[e.FromNode]
+		if !ok {
+			// 可能是虚拟节点(tag/entity),跳过
+			continue
+		}
+		toID, ok := idMap[e.ToNode]
+		if !ok {
+			// 目标节点不存在,跳过
+			continue
+		}
+		edge := &graph.Edge{
+			FromNode: fromID,
+			ToNode:   toID,
+			Relation: e.Relation,
+			Label:    e.Label,
+		}
+		if err := store.InsertEdge(edge); err != nil {
 			return fmt.Errorf("插入边失败: %w", err)
 		}
+		actualEdgeCount++
 	}
 
 	// 创建并填充 FTS5 索引
@@ -60,6 +81,25 @@
 		return fmt.Errorf("记录构建时间失败: %w", err)
 	}
 
-	fmt.Fprintf(os.Stderr, "已索引 %d 个节点, %d 条边\n", len(g.Nodes), len(g.Edges))
+	fmt.Fprintf(os.Stderr, "已索引 %d 个节点, %d 条边\n", len(g.Nodes), actualEdgeCount)
+	return nil
+}
+
+// syncIndex 增量对账路径(index build 默认、search pre-flight 用)
+func syncIndex(store *index.Store) error {
+	res, err := index.Reconcile(store, vaultPath)
+	if err != nil {
+		return fmt.Errorf("增量同步失败: %w", err)
+	}
+	fmt.Fprintf(os.Stderr, "增量同步: 新增 %d / 修改 %d / 删除 %d / 未变 %d\n",
+		res.Added, res.Modified, res.Deleted, res.Unchanged)
+	if commit, err := index.GetGitCommit(vaultPath); err == nil {
+		if err := store.SetMeta("git_commit", commit); err != nil {
+			return fmt.Errorf("记录 git commit 失败: %w", err)
+		}
+	}
+	if err := store.SetMeta("built_at", time.Now().Format(time.RFC3339)); err != nil {
+		return fmt.Errorf("记录构建时间失败: %w", err)
+	}
 	return nil
 }

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