improve editor and add type detection

internal/api/schema_handlers.go

@@ -0,0 +1,45 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+	"time"
+)
+
+// handleSchemaGet returns the live per-field schema derived from meta:events.
+func (s *Server) handleSchemaGet(w http.ResponseWriter, r *http.Request) {
+	if s.schemaIndexer == nil {
+		http.Error(w, "schema indexer not running", http.StatusServiceUnavailable)
+		return
+	}
+	snap := s.schemaIndexer.Snapshot()
+	w.Header().Set("Content-Type", "application/json")
+	_ = json.NewEncoder(w).Encode(snap)
+}
+
+// handleSchemaRescan re-emits a set event for every existing property via the
+// meta publisher, waits for the indexer to drain, and returns the refreshed
+// schema. Equivalent to a full SCAN-based rebuild without locking Redis.
+func (s *Server) handleSchemaRescan(w http.ResponseWriter, r *http.Request) {
+	if s.schemaIndexer == nil {
+		http.Error(w, "schema indexer not running", http.StatusServiceUnavailable)
+		return
+	}
+
+	count, err := s.RepublishMetadata()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	s.schemaIndexer.WaitForDrain(10 * time.Second)
+
+	snap := s.schemaIndexer.Snapshot()
+	snap.Source = "rescan"
+
+	w.Header().Set("Content-Type", "application/json")
+	_ = json.NewEncoder(w).Encode(map[string]any{
+		"published_events": count,
+		"schema":           snap,
+	})
+}