/**
 * opencode wrapper generation for dossier skills.
 *
 * Background: opencode (https://opencode.ai) reads `~/.claude/skills/` but its
 * frontmatter parser only accepts standard YAML (`---`). Dossier skills use
 * `---dossier` (JSON) frontmatter for signature + checksum coverage, so opencode
 * silently skips them. We solve this by writing a slim YAML wrapper to
 * `~/.config/opencode/skills/<name>/SKILL.md` — same `name`, same body, opencode-native
 * frontmatter. The signed source in `~/.claude/skills/` is never touched.
 *
 * This module owns:
 *   - target resolution from the `--for` flag (claude / opencode / both)
 *   - detecting when a source is already YAML (already loadable, no wrapper needed)
 *   - wrapper generation (with `allowedTools` for delegating skills)
 *   - idempotent write / remove of wrappers
 *
 * See install-skill.ts and sync-skills.ts for the two callers.
 */
export type SyncTarget = 'claude' | 'opencode' | 'both';
export interface ResolvedTargets {
    writeClaude: boolean;
    writeOpencode: boolean;
}
/** ~/.claude/skills — the primary install location, read by both Claude Code and opencode. */
export declare const CLAUDE_SKILLS_DIR: string;
/** ~/.config/opencode — opencode's config root. Its existence gates auto-wrapping. */
export declare const OPENCODE_CONFIG_DIR: string;
/** ~/.config/opencode/skills — where we write generated YAML wrappers. */
export declare const OPENCODE_SKILLS_DIR: string;
/** True when opencode appears installed on this machine (auto-detect trigger). */
export declare function opencodeConfigExists(): boolean;
/**
 * Resolve --for flag to concrete write targets.
 *
 * - undefined  → claude + auto-detect opencode
 * - 'claude'   → claude only (even if opencode is present)
 * - 'opencode' → opencode only (rare; still installs to claude for the source)
 * - 'both'     → both, regardless of opencode-dir presence
 */
export declare function resolveTargets(forOpt: SyncTarget | undefined): ResolvedTargets;
/** True if the raw content starts with `---dossier` (needs wrapping for opencode). */
export declare function isDossierFrontmatter(content: string): boolean;
/**
 * Build a YAML-wrapped SKILL.md string from a dossier-frontmatter source.
 *
 * Returns null if the source is already YAML (opencode reads it fine, no wrapper needed)
 * or if parsing fails (best-effort, no throw).
 *
 * `skillName` is the filesystem directory name — used as a fallback when the JSON
 * has no `name` field (edge case: scaffold-project).
 */
export declare function buildOpencodeWrapper(rawContent: string, skillName: string): string | null;
/**
 * Write an opencode wrapper for a skill. Idempotent: no-op when content matches.
 *
 * Returns:
 *   'created'  — new file written
 *   'updated'  — existing file overwritten with new content
 *   'unchanged' — file already matched, no write
 *   'skipped'  — source is YAML-native, opencode reads it directly (no wrapper needed)
 */
export type WriteResult = 'created' | 'updated' | 'unchanged' | 'skipped';
export declare function writeOpencodeWrapper(skillName: string, rawContent: string): WriteResult;
/**
 * Remove a skill's opencode wrapper if present. Best-effort: no error when missing.
 * Returns true if a wrapper was removed.
 */
export declare function removeOpencodeWrapper(skillName: string): boolean;
/**
 * List skill names currently present in the opencode skills dir.
 * Used by --list to show a dual-install badge and by sync-skills to prune.
 */
export declare function listOpencodeSkills(): string[];
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