chore: import clean Agent Desk snapshot (2/7)

internal/ai/runtime/traces/types.go

@@ -0,0 +1,29 @@
+package traces
+
+type RetrieverTraceItem struct {
+	Query           string  `json:"query,omitempty"`
+	KnowledgeBaseID int64   `json:"knowledgeBaseId,omitempty"`
+	DocumentID      int64   `json:"documentId,omitempty"`
+	DocumentTitle   string  `json:"documentTitle,omitempty"`
+	Score           float64 `json:"score,omitempty"`
+	LatencyMs       int64   `json:"latencyMs,omitempty"`
+}
+
+type RetrieverTraceSummary struct {
+	TopK             int
+	ScoreThreshold   float64
+	ContextMaxTokens int
+	MaxContextItems  int
+	HitCount         int
+	ContextCount     int
+	EmbeddingMs      int64
+	VectorSearchMs   int64
+	HydrateMs        int64
+	Policies         []RetrieverPolicyTraceItem
+}
+
+type RetrieverPolicyTraceItem struct {
+	KnowledgeBaseID int64   `json:"knowledgeBaseId,omitempty"`
+	TopK            int     `json:"topK,omitempty"`
+	ScoreThreshold  float64 `json:"scoreThreshold,omitempty"`
+}