feat: implement AI gateway phase one runtime

apps/api/internal/runner/helpers.go

@@ -0,0 +1,40 @@
+package runner
+
+import (
+	"math"
+	"strings"
+)
+
+func stringFromMap(values map[string]any, key string) string {
+	value, _ := values[key].(string)
+	return strings.TrimSpace(value)
+}
+
+func boolFromMap(values map[string]any, key string) bool {
+	value, _ := values[key].(bool)
+	return value
+}
+
+func intFromPolicy(values map[string]any, key string) int {
+	switch value := values[key].(type) {
+	case int:
+		return value
+	case float64:
+		return int(math.Round(value))
+	default:
+		return 0
+	}
+}
+
+func floatFromAny(value any) float64 {
+	switch typed := value.(type) {
+	case int:
+		return float64(typed)
+	case int64:
+		return float64(typed)
+	case float64:
+		return typed
+	default:
+		return 0
+	}
+}