lib/flags.ts

// Centralized feature flags and defaults for embed/lite mode
// Use NEXT_PUBLIC_* for values read in client components
// Avoid Node type dependency
// eslint-disable-next-line @typescript-eslint/no-explicit-any
declare const process: any;

export const EMBED_MODE = (process.env.NEXT_PUBLIC_EMBED_MODE ?? "false") === "true";
export const DISABLE_AUTH = EMBED_MODE || (process.env.NEXT_PUBLIC_DISABLE_AUTH ?? process.env.DISABLE_AUTH ?? "false") === "true";

// Default model/provider for simplified UI
// Choose a responsive general-purpose coding model from the existing list
export const DEFAULT_MODEL = process.env.NEXT_PUBLIC_DEFAULT_MODEL
  || process.env.DEFAULT_MODEL
  || "deepseek-ai/DeepSeek-V3.1"; // budget-strong default via Novita

export const DEFAULT_PROVIDER = process.env.NEXT_PUBLIC_DEFAULT_PROVIDER
  || process.env.DEFAULT_PROVIDER
  || "novita"; // validated against model/providers list

// Anonymous/IP rate limit for no-login usage
export const MAX_REQUESTS_PER_IP_ENV = Number(
  process.env.NEXT_PUBLIC_MAX_REQUESTS_PER_IP
  || process.env.MAX_REQUESTS_PER_IP
  || 3
);

// Hard cap on model output tokens to control cost in demo/embed mode
export const MAX_OUTPUT_TOKENS = Number(
  process.env.NEXT_PUBLIC_MAX_OUTPUT_TOKENS
  || process.env.MAX_OUTPUT_TOKENS
  || (EMBED_MODE ? 1000 : 2000)
);

// UI toggles derived from flags
export const HIDE_LOGIN = DISABLE_AUTH || EMBED_MODE;
export const HIDE_DEPLOY = EMBED_MODE; // hide deploy/save in embedded demo