gitfor/platform

import { randomId } from "../crypto";

/** A claim is advisory: it never blocks git, but overlapping claims are refused unless forced. */
export type LeaseKind = "task" | "file";

export type Lease = {
  id: string;
  kind: LeaseKind;
  key: string;
  holder: string;
  agent: string;
  user: string;
  note: string | null;
  expiresAt: number;
};

export type ClaimRequest = {
  kind: LeaseKind;
  keys: string[];
  holder: string;
  agent: string;
  user: string;
  note: string | null;
  ttlMs: number;
  force: boolean;
};

export type ClaimConflict = { key: string; lease: Lease };
/** `renewed` lists granted lease ids the holder already had before this claim. */
export type ClaimResult = { granted: Lease[]; conflicts: ClaimConflict[]; renewed: string[] };

/** `data` is JSON text so events cross Durable Object RPC without deep generic types. */
export type RepoEvent = { seq: number; type: string; at: number; data: string };

const MAX_EVENTS = 200;
const MAX_LEASES = 2000;
const MAX_LEASES_PER_HOLDER = 200;
export const MAX_SUBSCRIBERS = 200;
/** One token (or user) may hold only a few of a repo's subscriber slots, so a reader cannot starve the rest (INT-A13). */
export const MAX_SUBSCRIBERS_PER_OWNER = 10;