From 52f7258eb49a59cb161ea6e643d8c00b7a2deb75 Mon Sep 17 00:00:00 2001
From: ai_xiaopei <xiaopei@aisim.cn>
Date: Fri, 21 Aug 2026 18:47:08 +0800
Subject: [PATCH] plan: tag/entity 边扩展实施计划(3 tasks)

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 docs/superpowers/plans/2026-08-21-kb-cli-tag-entity-edges.md |  387 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
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+# kb-cli tag/entity 边扩展实施计划
+
+> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
+
+**Goal:** 让 tag/entity 虚拟节点落库为真实节点,边数从 138 提升到 2500+,graph related 的共同标签关联真正可用,且不破坏现有 search 行为。
+
+**Architecture:** graph builder 把 tag/entity 虚拟节点改为带命名空间合成 path(`tag:<名>`/`entity:<名>`)的真实节点;nodes 表增加 node_type 列区分 file/tag/entity;所有面向用户的查询(FTS/关键词/related/gc)过滤 node_type='file'。
+
+**Tech Stack:** Go + Cobra + SQLite (mattn/go-sqlite3) + FTS5
+
+**Spec:** `docs/superpowers/specs/2026-08-21-kb-cli-tag-entity-edges-design.md`
+
+## Global Constraints
+
+- 仓库:`/home/aisim-p/workspace/kb-cli`,module `github.com/aisim/kb-cli`
+- 编译二进制到 `~/go/bin/kb-cli`:`go build -o /home/aisim-p/go/bin/kb-cli .`
+- 每个 task 完成必须 `go build ./... && go test ./...` 通过后才 commit
+- search 行为不得变化:FTS 表、FindNodesByKeyword、FindRelatedNodes 结果中不得出现 tag/entity 节点
+- 不修改 wikilink 匹配逻辑(matchesWikilink 保持精确匹配)
+- 知识库 vault 路径:`/home/aisim-p/aisim/note/001/笔记001`(E2E 验证用)
+
+---
+
+### Task 1: graph 层——虚拟节点落库
+
+**Files:**
+- Modify: `internal/graph/model.go`(Node 增加 NodeType 字段)
+- Modify: `internal/graph/builder.go`(BuildGraph 生成 tag/entity 虚拟节点)
+- Test: `internal/graph/builder_test.go`(更新断言)
+
+**Interfaces:**
+- Produces: `graph.Node.NodeType string`(`""` 或 `"file"`/`"tag"`/`"entity"`);`g.Nodes` 包含全部真实节点(文件 + tag + entity),`g.Edges` 全部边可写入(无未映射节点)
+
+- [ ] **Step 1: 更新 builder_test.go 增加失败测试**
+
+在 `TestBuildGraph` 中修改断言:文件节点 2 个 + tag 节点 2 个("充装"、"智能枪","充装"去重)+ entity 节点 1 个("YSP-35.5")= 5 个节点;tag 边 3 条、entity 边 1 条(不变):
+
+```go
+g := BuildGraph(files)
+
+// 2 个文件节点 + 2 个 tag 虚拟节点(充装、智能枪)+ 1 个 entity 虚拟节点
+if len(g.Nodes) != 5 {
+    t.Errorf("node count = %d, want 5", len(g.Nodes))
+}
+
+// 验证虚拟节点 path 命名空间与 NodeType
+tagCount, entityCount, fileCount := 0, 0, 0
+for _, n := range g.Nodes {
+    switch n.NodeType {
+    case "tag":
+        tagCount++
+        if !strings.HasPrefix(n.Path, "tag:") {
+            t.Errorf("tag node path = %q, want prefix tag:", n.Path)
+        }
+    case "entity":
+        entityCount++
+        if !strings.HasPrefix(n.Path, "entity:") {
+            t.Errorf("entity node path = %q, want prefix entity:", n.Path)
+        }
+    case "file":
+        fileCount++
+    default:
+        t.Errorf("unexpected node_type %q for %s", n.NodeType, n.Path)
+    }
+}
+if tagCount != 2 || entityCount != 1 || fileCount != 2 {
+    t.Errorf("file/tag/entity = %d/%d/%d, want 2/2/1", fileCount, tagCount, entityCount)
+}
+```
+
+同时保留原有边数断言(tag 边 3、entity 边 1)。import 增加 `"strings"`。
+
+- [ ] **Step 2: 运行测试确认失败**
+
+Run: `cd /home/aisim-p/workspace/kb-cli && go test ./internal/graph/ -run TestBuildGraph -v`
+Expected: 编译失败(Node 无 NodeType 字段)
+
+- [ ] **Step 3: 实现——model.go 增加 NodeType**
+
+`internal/graph/model.go` 的 Node 结构体增加字段:
+
+```go
+type Node struct {
+	ID        int64    `json:"id"`
+	Path      string   `json:"path"`
+	Title     string   `json:"title"`
+	Section   string   `json:"section"`
+	NodeType  string   `json:"node_type"` // "file" | "tag" | "entity"
+	Tags      []string `json:"tags"`
+	Entities  []string `json:"entities"`
+	Wikilinks []string `json:"wikilinks"`
+	Content   string   `json:"content"`
+}
+```
+
+- [ ] **Step 4: 实现——builder.go 虚拟节点入 Nodes**
+
+`internal/graph/builder.go` 的 `getOrCreateVirtualNode` 改为把虚拟节点追加进 `g.Nodes`:
+
+```go
+getOrCreateVirtualNode := func(label, nodeType string) int64 {
+    if id, ok := labelToID[label]; ok {
+        return id
+    }
+    id := nextVirtualID
+    nextVirtualID++
+    labelToID[label] = id
+    g.Nodes = append(g.Nodes, &Node{
+        ID:       id,
+        Path:     label, // label 已含 "tag:"/"entity:" 前缀
+        Title:    strings.TrimPrefix(strings.TrimPrefix(label, "tag:"), "entity:"),
+        NodeType: nodeType,
+    })
+    return id
+}
+```
+
+两处调用改为:
+
+```go
+// tag 边
+for _, tag := range f.Tags {
+    virtualID := getOrCreateVirtualNode("tag:"+tag, "tag")
+    g.Edges = append(g.Edges, &Edge{FromNode: node.ID, ToNode: virtualID, Relation: "tag", Label: tag})
+}
+// entity 边
+for _, entity := range f.Entities {
+    virtualID := getOrCreateVirtualNode("entity:"+entity, "entity")
+    g.Edges = append(g.Edges, &Edge{FromNode: node.ID, ToNode: virtualID, Relation: "entity", Label: entity})
+}
+```
+
+文件节点创建处增加 `NodeType: "file"`。
+
+- [ ] **Step 5: 运行测试确认通过**
+
+Run: `go test ./internal/graph/ -v`
+Expected: PASS
+
+- [ ] **Step 6: 编译 + 全量测试 + commit**
+
+```bash
+cd /home/aisim-p/workspace/kb-cli
+go build ./... && go test ./...
+git add internal/graph/
+git commit -m "feat(graph): tag/entity 虚拟节点落库为真实节点(合成 path 命名空间)"
+```
+
+注意:此 commit 后 `kb-cli index build` 会因 InsertNode 未写 node_type 列而行为不变(列还不存在),但 `go test ./internal/index/` 必须仍通过(sqlite_test 的 InsertEdge 用 ToNode=1000000 无外键约束,不受影响)。
+
+---
+
+### Task 2: index 层——schema 迁移 + 查询过滤
+
+**Files:**
+- Modify: `internal/index/sqlite.go`(schema、迁移、InsertNode、GetAllNodes、FindNodesByKeyword、FindRelatedNodes)
+- Test: `internal/index/sqlite_test.go`(新增测试)
+
+**Interfaces:**
+- Consumes: `graph.Node.NodeType`(Task 1)
+- Produces: nodes 表 `node_type` 列(默认 'file');所有文件查询过滤 `node_type='file'`(GetAllNodes/FindNodesByKeyword/FindRelatedNodes)
+
+- [ ] **Step 1: 写失败测试(新增到 sqlite_test.go)**
+
+```go
+func TestNodeTypeSeparation(t *testing.T) {
+	tmpDir := t.TempDir()
+	store, err := Open(filepath.Join(tmpDir, "test.db"))
+	if err != nil {
+		t.Fatalf("Open failed: %v", err)
+	}
+	defer store.Close()
+
+	// 插入文件节点 + tag 节点
+	fileID, err := store.InsertNode(&graph.Node{
+		Path: "FAQ/001-测试.md", Title: "测试文档", Section: "FAQ", NodeType: "file",
+		Tags: []string{"电磁阀"},
+	})
+	if err != nil {
+		t.Fatalf("InsertNode file failed: %v", err)
+	}
+	tagID, err := store.InsertNode(&graph.Node{
+		Path: "tag:电磁阀", Title: "电磁阀", NodeType: "tag",
+	})
+	if err != nil {
+		t.Fatalf("InsertNode tag failed: %v", err)
+	}
+
+	// tag 节点不进 FTS
+	if err := store.CreateFTS(); err != nil {
+		t.Fatalf("CreateFTS failed: %v", err)
+	}
+	if err := store.PopulateFTS(); err != nil {
+		t.Fatalf("PopulateFTS failed: %v", err)
+	}
+	res, err := store.FTSSearch([]string{"测试"}, 10)
+	if err != nil {
+		t.Fatalf("FTSSearch failed: %v", err)
+	}
+	for _, r := range res {
+		if r.ID == tagID {
+			t.Error("FTS result contains tag node")
+		}
+	}
+
+	// FindNodesByKeyword 不返回 tag 节点
+	nodes, err := store.FindNodesByKeyword("电磁阀")
+	if err != nil {
+		t.Fatalf("FindNodesByKeyword failed: %v", err)
+	}
+	for _, n := range nodes {
+		if n.ID == tagID {
+			t.Error("FindNodesByKeyword returned tag node")
+		}
+	}
+
+	// GetAllNodes 只返回 file 节点
+	all, err := store.GetAllNodes()
+	if err != nil {
+		t.Fatalf("GetAllNodes failed: %v", err)
+	}
+	for _, n := range all {
+		if n.ID == tagID {
+			t.Error("GetAllNodes returned tag node")
+		}
+	}
+	_ = fileID
+}
+```
+
+- [ ] **Step 2: 运行测试确认失败**
+
+Run: `go test ./internal/index/ -run TestNodeTypeSeparation -v`
+Expected: FAIL(tag 节点被查询返回 / GetAllNodes 包含 tag)
+
+- [ ] **Step 3: 实现 schema + 迁移**
+
+`initTables` 的 nodes 表定义增加列:
+
+```sql
+CREATE TABLE IF NOT EXISTS nodes (
+    id          INTEGER PRIMARY KEY AUTOINCREMENT,
+    path        TEXT NOT NULL UNIQUE,
+    node_type   TEXT NOT NULL DEFAULT 'file',
+    title       TEXT,
+    section     TEXT,
+    tags        TEXT,
+    entities    TEXT,
+    wikilinks   TEXT,
+    content_fts TEXT,
+    created_at  TEXT DEFAULT (datetime('now')),
+    updated_at  TEXT DEFAULT (datetime('now'))
+);
+```
+
+`initTables` 末尾增加旧库迁移(幂等):
+
+```go
+// 旧库迁移:补 node_type 列
+var colExists bool
+err := s.db.QueryRow("SELECT COUNT(*) FROM pragma_table_info('nodes') WHERE name = 'node_type'").Scan(&colExists)
+if err == nil && !colExists {
+    if _, err := s.db.Exec("ALTER TABLE nodes ADD COLUMN node_type TEXT NOT NULL DEFAULT 'file'"); err != nil {
+        return fmt.Errorf("迁移 node_type 列失败: %w", err)
+    }
+}
+```
+
+- [ ] **Step 4: 实现——InsertNode 写入 node_type**
+
+```go
+result, err := s.db.Exec(`
+    INSERT INTO nodes (path, node_type, title, section, tags, entities, wikilinks, content_fts)
+    VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+`, n.Path, nodeTypeOf(n), n.Title, n.Section, string(tagsJSON), string(entitiesJSON),
+    string(wikilinksJSON), n.Content)
+```
+
+新增辅助函数:
+
+```go
+func nodeTypeOf(n *graph.Node) string {
+    if n.NodeType == "" {
+        return "file"
+    }
+    return n.NodeType
+}
+```
+
+- [ ] **Step 5: 实现——查询过滤**
+
+1. `GetAllNodes`:SQL 改为 `SELECT id, path FROM nodes WHERE node_type = 'file'`(NodeInfo 结构不变,仍只返回 id/path)。
+2. `FindNodesByKeyword`:WHERE 增加 `AND node_type = 'file'`。
+3. `FindRelatedNodes`:种子查询 WHERE 增加 `AND node_type = 'file'`;"通过标签查找"/"通过实体查找"两段 SQL 各增加 `AND node_type = 'file'`。
+
+- [ ] **Step 6: 运行测试确认通过**
+
+Run: `go test ./internal/index/ -v`
+Expected: 全部 PASS(含原有 TestStore、TestGetNodeLinks)
+
+- [ ] **Step 7: 编译 + 全量测试 + commit**
+
+```bash
+cd /home/aisim-p/workspace/kb-cli
+go build ./... && go test ./...
+git add internal/index/
+git commit -m "feat(index): nodes 表增加 node_type 列,查询过滤虚拟节点"
+```
+
+---
+
+### Task 3: FTS 过滤 + E2E 验证
+
+**Files:**
+- Modify: `internal/index/fts.go`(PopulateFTS 过滤)
+- Test: `internal/index/sqlite_test.go`(Task 2 的 TestNodeTypeSeparation 已覆盖 FTS 断言)
+
+**Interfaces:**
+- Consumes: nodes.node_type(Task 2)
+- Produces: nodes_fts 仅含 file 节点;真实 vault 索引边数 ≥ 2000
+
+- [ ] **Step 1: 实现 PopulateFTS 过滤**
+
+`internal/index/fts.go`:
+
+```go
+func (s *Store) PopulateFTS() error {
+	_, err := s.db.Exec(`
+		INSERT INTO nodes_fts(rowid, title, content, tags, entities)
+		SELECT id, title, content_fts, tags, entities FROM nodes
+		WHERE node_type = 'file'
+	`)
+	return err
+}
+```
+
+- [ ] **Step 2: 全量测试**
+
+Run: `cd /home/aisim-p/workspace/kb-cli && go build ./... && go test ./...`
+Expected: 全部 PASS
+
+- [ ] **Step 3: 编译二进制到 ~/go/bin/kb-cli**
+
+```bash
+go build -o /home/aisim-p/go/bin/kb-cli .
+```
+
+- [ ] **Step 4: E2E——重建真实 vault 索引并验证**
+
+```bash
+source ~/.hermes/.env && export KB_VAULT
+kb-cli index build
+kb-cli index status
+kb-cli graph stats
+```
+
+验证点:
+- 边数 ≥ 2000(tag + entity + wikilink)
+- 关系分布出现 tag/entity/wikilink 三类
+- `kb-cli search "电磁阀" --top 3` 结果中不出现 `tag:`/`entity:` 路径的节点
+- `kb-cli graph query "电磁阀"` 能列出 tag 关联
+
+- [ ] **Step 5: E2E——graph related 共同标签关联验证**
+
+```bash
+kb-cli graph related "电磁阀" --top 5
+```
+
+Expected: 返回共享 tag 的文档(关联度 > 0),且不含 tag 节点本身。
+
+- [ ] **Step 6: commit**
+
+```bash
+cd /home/aisim-p/workspace/kb-cli
+git add internal/index/fts.go
+git commit -m "feat(fts): FTS 表仅收录 file 节点"
+```
+
+---
+
+## 验收标准(全部满足才算完成)
+
+1. `go test ./...` 全绿
+2. 真实 vault `kb-cli index build` 后边数 ≥ 2000
+3. `kb-cli search` 结果与改动前一致(不出现 tag/entity 节点)
+4. `kb-cli graph related` 能通过共同 tag 找到相关文档
+5. 二进制已部署到 `~/go/bin/kb-cli`

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