feat: implement 6 tools (search, create, summary, tags, related)

internal/tools/find_related.go

@@ -0,0 +1,53 @@
+package tools
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"eino-test/internal/rag"
+
+	"github.com/cloudwego/eino/components/tool"
+	"github.com/cloudwego/eino/components/tool/utils"
+)
+
+type FindRelatedInput struct {
+	NoteID string `json:"note_id" jsonschema:"description=The ID of the note to find related notes for,required"`
+}
+
+func NewFindRelatedTool(pipeline *rag.RAGPipeline) tool.InvokableTool {
+	t, _ := utils.InferTool("find_related", "Find notes related to a given note based on content similarity.", func(ctx context.Context, input *FindRelatedInput) (string, error) {
+		note, err := pipeline.NoteStore().GetByID(ctx, input.NoteID)
+		if err != nil {
+			return "", fmt.Errorf("note not found: %w", err)
+		}
+
+		results, err := pipeline.Search(ctx, note.Content, 6)
+		if err != nil {
+			return "", fmt.Errorf("search related: %w", err)
+		}
+
+		type related struct {
+			Title string  `json:"title"`
+			Score float64 `json:"score"`
+			Tags  []string `json:"tags"`
+		}
+		var items []related
+		for _, r := range results {
+			if r.Note.ID == input.NoteID {
+				continue
+			}
+			items = append(items, related{
+				Title: r.Note.Title,
+				Score: r.Score,
+				Tags:  r.Note.Tags,
+			})
+		}
+		if len(items) > 5 {
+			items = items[:5]
+		}
+		b, _ := json.Marshal(items)
+		return string(b), nil
+	})
+	return t
+}