/**
 * Absolute path the agent should use for scratch / engagement notes.
 *
 * When a session workspace is bound (normal TUI/REPL), this is the unique
 * per-session folder under `{tmpdir}/clai/{code}-{dd}-{mm}-{yyyy}-…}`.
 * Without a bound session (unit tests, early boot), fall back to a
 * project-name path so existing callers stay stable.
 */
export declare function scratchDirFor(cwd: string): string;
/** Exposed so the budget script can price both turn kinds. */
export declare const _PENTEST_METHODOLOGY: string;
/** Remove image.view instructions when the concrete route lacks proven vision. */
export declare function applyImageViewAvailability(prompt: string, available: boolean): string;
/**
 * Environment clock for system prompts.
 *
 * Hour-stable on purpose: agent loops re-render the system prompt every step.
 * Second-precision ISO timestamps busted provider prompt-cache prefixes with no
 * capability gain (models only need current day/year for freshness queries).
 * Minutes/seconds are omitted so consecutive steps within the same local hour
 * produce an identical constitution string when nothing else changed.
 */
export declare function currentDateTimeContext(now?: Date): string;
/** Local-hour floor used by {@link currentDateTimeContext} (exported for tests). */
export declare function floorToLocalHour(now: Date): Date;
import type { SessionPlan } from "../store/plan.js";
/** Mutable environment facts carried after the cached constitution. */
export declare function renderRequestEnvironmentContext(options?: {
    plan?: SessionPlan | null | undefined;
}): string;
export declare const _ASK_TEMPLATE: string;
export declare const _AGENT_TEMPLATE: string;
export declare function renderAskSystemPrompt(options?: {
    nativeTools?: boolean;
    stableEnvironment?: boolean;
    /** Advertise image.view only for a route with affirmative vision evidence. */
    imageView?: boolean;
}): string;
export declare function renderAgentSystemPrompt(toolList: string, options?: {
    nativeTools?: boolean;
    /**
     * E6: omit long tool-arg encyclopedia when native schemas are attached.
     * Defaults to true when nativeTools is true (overridable via config /
     * CLAI_SLIM_NATIVE_PROMPT when callers pass nothing).
     */
    slimNative?: boolean;
    /** Replace mutable environment values with a stable suffix reference. */
    stableEnvironment?: boolean;
    /** Advertise image.view only for a route with affirmative vision evidence. */
    imageView?: boolean;
    /**
     * Attach the red-team methodology block. Off by default: a coding turn has
     * no use for it and it costs ~940 tokens on every request.
     */
    pentest?: boolean;
}): string;
export declare function renderCompactAgentSystemPrompt(toolList: string, options?: {
    nativeTools?: boolean;
    stableEnvironment?: boolean;
    imageView?: boolean;
}): string;
/** Dual-mode recovery nudge wording. */
export declare function toolNudge(native: boolean): string;
/** Injected when REPL mode is plan — deep research + comprehensive durable plan. */
export declare function planModeDirective(): string;
/** Injected when REPL mode is agent — execute with working tasks, verify before done. */
export declare function agentModeDirective(): string;