Files
Cyrene_v2/plugins/tools/io/knowledge.go
T

102 lines
2.9 KiB
Go

package io
import (
"context"
"fmt"
"log/slog"
"strings"
"git.yeij.top/AskaEth/Cyrene_v2/internal/runtime/memory"
"git.yeij.top/AskaEth/Cyrene_v2/pkg/plugins/sdk"
)
// KnowledgeRetriever is the subset of the runtime memory retriever the knowledge
// tool depends on. *memory.Retriever implements it; nil means no knowledge base
// is configured.
type KnowledgeRetriever interface {
Retrieve(ctx context.Context, personaID, query string, topK int) ([]memory.Result, error)
}
// Compile-time assertion that knowledgeTool implements sdk.Tool.
var _ sdk.Tool = (*knowledgeTool)(nil)
// knowledgeTool answers a question from the configured knowledge base via a
// memory retriever, returning ranked results or a clear message when absent.
type knowledgeTool struct {
retriever KnowledgeRetriever
maxResults int
log *slog.Logger
}
func newKnowledgeTool(t *tools) *knowledgeTool {
return &knowledgeTool{
retriever: t.retriever,
maxResults: t.maxResults,
log: t.log,
}
}
// Name implements sdk.Tool.
func (k *knowledgeTool) Name() string { return "knowledge" }
// Description implements sdk.Tool.
func (k *knowledgeTool) Description() string {
return "Query the knowledge base and long-term memory store for context relevant to a question."
}
// Parameters implements sdk.Tool.
func (k *knowledgeTool) Parameters() (map[string]any, error) {
return map[string]any{
"type": "object",
"properties": map[string]any{
"query": map[string]any{"type": "string", "description": "Query topic."},
"persona": map[string]any{"type": "string", "description": "Persona scope id (optional)."},
"top_k": map[string]any{"type": "integer", "description": "Max results."},
},
"required": []any{"query"},
}, nil
}
// Execute implements sdk.Tool.
func (k *knowledgeTool) Execute(ctx context.Context, args any) (any, error) {
if k.retriever == nil {
return nil, fmt.Errorf("io: knowledge: no knowledge base configured")
}
m, ok := args.(map[string]any)
if !ok {
return nil, fmt.Errorf("io: knowledge: args must be an object")
}
query := argString(m, "query")
if strings.TrimSpace(query) == "" {
return nil, fmt.Errorf("io: knowledge: query is required")
}
persona := argString(m, "persona")
topK := k.maxResults
if v, ok := argInt(m, "top_k"); ok && v > 0 {
topK = v
}
results, err := k.retriever.Retrieve(ctx, persona, query, topK)
if err != nil {
return nil, fmt.Errorf("io: knowledge: retrieve: %w", err)
}
out := make([]map[string]any, 0, len(results))
for _, r := range results {
out = append(out, map[string]any{
"id": r.Item.ID,
"kind": string(r.Item.Kind),
"scope": string(r.Item.Scope),
"content": r.Item.Content,
"score": r.Score,
})
}
if len(out) == 0 {
return map[string]any{
"query": query,
"count": 0,
"note": "no relevant knowledge found",
"results": []map[string]any{},
}, nil
}
return map[string]any{"query": query, "count": len(out), "results": out}, nil
}