Add a pause that holds an agent after its current step

internal/hookcmd/hookcmd.go

@@ -0,0 +1,40 @@
+package hookcmd
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"log/slog"
+	"net/http"
+)
+
+const Timeout = 7 * 24 * 60 * 60
+
+type Func func(ctx context.Context, input json.RawMessage) (map[string]any, error)
+
+func Command(url string) string {
+	return "curl -sS --data-binary @- " + url
+}
+
+func Handler(hooks map[string]Func) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		event := r.PathValue("event")
+		fn := hooks[event]
+		if fn == nil {
+			http.NotFound(w, r)
+			return
+		}
+		body, err := io.ReadAll(r.Body)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+		out, err := fn(r.Context(), body)
+		if err != nil {
+			slog.Error("hook failed", "event", event, "err", err)
+			out = map[string]any{}
+		}
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(out)
+	}
+}