/**
 * Cloudflare Workers entrypoint. Identical proxy logic to the Node build,
 * just wired up through the Worker `fetch` export.
 *
 * Deploy:
 *   npx wrangler deploy
 *
 * Dev:
 *   npx wrangler dev
 *
 * Config lives in wrangler.toml.
 */
import type { ExecutionContext } from '@cloudflare/workers-types';
export interface Env {
    /** Optional single upstream base for every API family. Family-specific env vars override it. */
    PXPIPE_UPSTREAM?: string;
    ANTHROPIC_UPSTREAM?: string;
    /** Optional override — if set, replaces whatever x-api-key the client sent. */
    ANTHROPIC_API_KEY?: string;
    OPENAI_UPSTREAM?: string;
    /** Optional override — if set, replaces whatever Authorization the client sent. */
    OPENAI_API_KEY?: string;
    OPENAI_MODELS?: string;
    CLOUDFLARE_MODELS?: string;
    CLOUDFLARE_ACCOUNT_ID?: string;
    CLOUDFLARE_API_TOKEN?: string;
    COMPRESS?: string;
    COMPRESS_TOOLS?: string;
    COMPRESS_TOOL_RESULTS?: string;
    MIN_COMPRESS_CHARS?: string;
    MIN_TOOL_RESULT_CHARS?: string;
    COLS?: string;
    /** Comma-separated model bases eligible for compression. */
    PXPIPE_MODELS?: string;
    /** Ceiling on a buffered inbound request body, in bytes. A Worker is publicly
     *  reachable by default, so this is the setting that keeps one caller from
     *  choosing the isolate's memory ceiling. Unset uses the core 16 MiB default;
     *  a non-numeric or non-positive value is ignored rather than obeyed. */
    PXPIPE_MAX_REQUEST_BYTES?: string;
    /** When "0" / "false", disable per-request event JSON logs. Default-on.
     *  Cloudflare ingests console.log as Workers Logs; pipe via Logpush to
     *  R2/S3 for the same JSONL shape Node writes to disk. */
    PXPIPE_TRACK?: string;
    /** Max bytes of rendered pages held in memory, or "0" to disable the cache.
     *  Unset uses the core edge default (8 MiB), which is deliberately far below
     *  the Node default: a Worker isolate has ~128 MiB for the request body, the
     *  decoded atlases, the framebuffers and the compressor as well. Bindings are
     *  not visible to core at module-init time, so this is applied per request via
     *  `setRenderCacheMaxBytes`. A negative or non-numeric value is ignored rather
     *  than obeyed; `0` is a real setting and must not be read as "unset". */
    PXPIPE_RENDER_CACHE_BYTES?: string;
    /** Shared secret callers must present via the `x-pxpipe-secret` header
     *  whenever an API-key override is configured. Without this gate a
     *  discovered workers.dev URL is an open key-spender: the Worker would
     *  attach your key to any stranger's request. Set with:
     *    npx wrangler secret put PXPIPE_WORKER_SECRET */
    PXPIPE_WORKER_SECRET?: string;
}
declare const _default: {
    fetch(req: Request, env: Env, _ctx: ExecutionContext): Promise<Response>;
};
export default _default;
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