Function getString

api/client.go:1306–1315

(m map[string]any, key string)

				"tool_use_id": toolUseID,
				"content":     extractToolResultText(block),
				"is_error":    getBool(block, "is_error"),
			}))

		case "text":
			text := getString(block, "text")
			if isSystemHintText(text) {
				textParts = append(textParts, text)
				continue
			}
			return nil, false

		default:
			return nil, false