/**
 * Model routing for DshAgentRunner (dsh-runner.ts): which dsh provider route a
 * model option names, the curated model list (dsh has no listing command —
 * its picker is the web Models page), and the `llm-pi-ai` row that turns a
 * pi-ai route on for one run. Pure; no I/O.
 *
 * Model option: a bare id (`deepseek-v4-pro`) keeps the profile's provider;
 * `<route>/<model>` picks a route first (`openrouter/z-ai/glm-5.2:free`), the
 * way opencode's option reads. Only a known route counts as a prefix, since
 * pi-ai model ids contain slashes themselves (`z-ai/glm-5.2:free`).
 *
 * Free models (live-checked 2026-09-29, dsh 0.1.7-rc.2, pi-ai catalog in the
 * package): dsh's own routes are paid, but its bundled pi-ai adapter reaches
 * zero-cost catalog models on two routes, each needing only a free account key:
 *   - openrouter (`:free` models, OPENROUTER_API_KEY)
 *   - nvidia (NVIDIA's API catalog, NVIDIA_API_KEY) — incl. DeepSeek V4
 *     Flash/Pro, so a free key runs dsh on DeepSeek models.
 * OpenCode Zen's free models are in the catalog too but are not listed: Zen
 * answers `FreeTierError: OpenCode's free tier can only be used from within
 * OpenCode` to any other client (checked live).
 *
 * The llm-pi-ai adapter mounts dormant (no routes) until its config names a
 * provider. A `--patch` REPLACES a row's whole config (checked with
 * `--dump-config`), so the row is built from the dumped config with the
 * route added — the user's other Models-page routes stay — and left out
 * entirely when the route is already configured. `apiKeyEnv` makes a missing
 * key a named MISSING_CREDENTIAL (resolved from the env or dsh's credential
 * store) instead of pi-ai's bare "Provider is not configured". Checked against
 * a local OpenAI-compatible mock: dsh sent `model: z-ai/glm-5.2:free` with
 * `Bearer $OPENROUTER_API_KEY` and `reasoning.effort`.
 */
import type { AgentModel } from './agent-models.js';
import type { OrgEffortLevel } from './cost-tier.js';
/** dsh's own DeepSeek routes (dsh-llm-deepseek, dsh-llm-deepseek-account). */
export declare const DSH_NATIVE_ROUTES: readonly ['deepseek-official', 'deepseek-account'];
export declare const isDshNativeRoute: (route: string) => boolean;
/** Split a model option into route + model id; `provider` is undefined for
 *  a bare id (the profile's current route applies). */
export declare function dshSplitModel(option: string): {
    provider?: string;
    model: string;
};
export interface DshModel extends AgentModel {
    /** Zero-cost in the catalog: needs only a free account key (`key_env`). */
    free?: boolean;
    /** The env var (or dsh credential-store entry) the route's key comes from. */
    key_env: string;
}
/** Levels are pi-ai's getSupportedThinkingLevels over each catalog entry,
 *  limited to monomind's `--effort` names (pi-ai's `minimal` has none). */
export declare const DSH_MODELS: DshModel[];
/** The curated entry for a route + model, if any. */
export declare function dshCuratedModel(provider: string, model: string): DshModel | undefined;
/** A level the model supports: the requested one, else the nearest above,
 *  else the nearest below (pi-ai's clampThinkingLevel). */
export declare function clampEffort(levels: readonly string[], effort: string): string;
export declare function dshEffortFor(provider: string, model: string, effort: OrgEffortLevel): string;
/**
 * The `llm-pi-ai` patch row that serves `route` for this run, or null when
 * none is needed (a native DeepSeek route, or a route the profile already
 * configures). Any other routes and fields in the dumped config are kept.
 */
export declare function dshPiAiRow(route: string, dump: string): string | null;
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