/**
 *
 * Pure data + lookup helpers. No I/O. The byte-for-byte text mirrors the
 * "Compaction Decision Guide" + "What Survives Compaction" tables in
 * ECC's strategic-compact SKILL.md (read-only reference at
 * C:\Users\smallMark\.claude\plugins\cache\ecc\ecc\2.0.0\skills\strategic-compact\SKILL.md).
 *
 * The `peaks compact recommend` + `peaks compact survival` + `peaks
 * compact dry-run` primitives read from these tables; any change to the
 * upstream skill table must be mirrored here and re-asserted by the
 */
export type Phase = 'research' | 'planning' | 'implementation' | 'testing' | 'debugging';
export declare const PHASES: readonly Phase[];
export declare function isPhase(value: string): value is Phase;
/** Severity for a phase transition: matches the SKILL.md "Compact?" column. */
export type Severity = 'yes' | 'maybe' | 'no';
export interface PhaseTransitionDecision {
    readonly from: Phase;
    readonly to: Phase;
    readonly severity: Severity;
    readonly rationale: string;
}
/**
 * Single source of truth for the strategic-compact "Compaction Decision
 * Guide" table. Each row is a recommended from→to transition. The
 * `rationale` field is the "Why" column verbatim from SKILL.md.
 *
 * The CLI accepts arbitrary from/to phase pairs; if the pair is not in
 * the table (e.g. testing→implementation) the recommend primitive
 * returns `severity: 'no'` with a `notInTable: true` flag and the
 * default rationale "No documented transition; preserve context".
 */
export declare const PHASE_TRANSITIONS: readonly PhaseTransitionDecision[];
/** Documented "no compact" rows from the SKILL.md table. */
export declare const PHASE_NO_TRANSITIONS: readonly {
    from: Phase;
    to: Phase;
    rationale: string;
}[];
/**
 * SKILL.md "What Survives Compaction" table — byte-for-byte.
 * The `peaks compact survival` primitive emits these lists verbatim.
 */
export declare const SURVIVAL_TABLE: Readonly<{
    persists: readonly string[];
    lost: readonly string[];
}>;
/**
 * Resolve a (from, to) phase pair to a recommend() envelope.
 * Unknown pairs return `severity: 'no'` with `notInTable: true` so the
 * LLM can see "this transition isn't in the table" instead of silently
 * getting a default.
 */
export declare function lookupPhaseTransition(from: Phase, to: Phase): {
    severity: Severity;
    rationale: string;
    notInTable: boolean;
};
/**
 * LLM-ready `/compact Focus on ...` prompt string. The phrasing is
 * deliberately terse — the upstream ECC suggest-compact hook uses a
 * similar short imperative form.
 */
export declare function buildSuggestedCompactMessage(from: Phase, to: Phase, severity: Severity): string;