// Pattern core: minimal definitions to bootstrap the Flow × Pattern DSL.
// A Pattern is a reusable solution ("how to guarantee success") declared as
// pure data. Concrete usage fills its params and action injection points.

export interface PatternParamDef {
  type: 'int' | 'string';
  min?: number;
  default?: number | string;
}

export interface PatternDef {
  name: string;
  params: Record<string, PatternParamDef>;
}

export interface PatternRef {
  ref: string;
  args: Record<string, unknown>;
}

export function definePattern(def: PatternDef): PatternDef {
  return def;
}

export function ref(name: string, args: Record<string, unknown>): PatternRef {
  return { ref: name, args };
}