WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

internal/tracing/langfuse/memory_obs.go

@@ -0,0 +1,71 @@
+package langfuse
+
+import (
+	"github.com/Tencent/WeKnora/internal/types"
+)
+
+// SummarizeMemoryRecallOutput builds Langfuse output for a memory.recall span.
+func SummarizeMemoryRecallOutput(meta map[string]interface{}, items []*types.MemoryItem) map[string]interface{} {
+	out := make(map[string]interface{}, len(meta)+3)
+	for k, v := range meta {
+		out[k] = v
+	}
+	recalled, truncated := summarizeMemoryItems(items, defaultHitPreviewLimit)
+	out["recalled_items"] = recalled
+	if truncated > 0 {
+		out["recalled_items_truncated"] = truncated
+	}
+	return out
+}
+
+func summarizeMemoryItems(items []*types.MemoryItem, limit int) ([]map[string]interface{}, int) {
+	if limit <= 0 {
+		limit = defaultHitPreviewLimit
+	}
+	if len(items) == 0 {
+		return nil, 0
+	}
+	n := len(items)
+	truncated := 0
+	if n > limit {
+		truncated = n - limit
+		n = limit
+	}
+	out := make([]map[string]interface{}, 0, n)
+	for i := 0; i < n; i++ {
+		item := items[i]
+		if item == nil {
+			continue
+		}
+		row := map[string]interface{}{
+			"id":         item.ID,
+			"kind":       item.Kind,
+			"topic":      TruncateRunes(item.Topic, 80),
+			"importance": item.Importance,
+			"preview":    TruncateRunes(item.Content, 160),
+		}
+		out = append(out, row)
+	}
+	return out, truncated
+}
+
+// SummarizeRetrievalContextOutput builds Langfuse output for retrieval conditioning.
+func SummarizeRetrievalContextOutput(
+	background string,
+	interests, documents []string,
+	items []*types.MemoryItem,
+) map[string]interface{} {
+	conditioned, _ := summarizeMemoryItems(items, defaultHitPreviewLimit)
+	out := map[string]interface{}{
+		"background":        TruncateRunes(background, 240),
+		"interest_count":    len(interests),
+		"document_count":    len(documents),
+		"interests":         interests,
+		"documents":         documents,
+		"conditioned_items": conditioned,
+	}
+	if out["background"] == "" {
+		delete(out, "background")
+	}
+	return out
+}