/**
 * missing-cost-shim migration: regenerate `.aidlc/cost/capture.sh` when a hook
 * is armed against it and it cannot run.
 *
 * WHY THIS EXISTS. `cost-capture-goes-dark` replaced absolute hook paths with a
 * generated shim and deleted `commandResolvable`, recording that "the failure
 * class is retired, not merely detected". The shim removed the *stale path*
 * failure and introduced a *missing file* one: the shim is generated per install,
 * is gitignored on purpose (it embeds machine-specific resolution hints), and no
 * tracked file can supply it — while `.claude/settings.json`, which arms the
 * hooks, IS tracked. So every fresh clone and every second machine starts with
 * hooks pointing at nothing.
 *
 * That is not hypothetical: capture was dead from 2026-08-26 21:12 to 2026-08-28
 * 13:44 local, $535.54 of usage was never recorded, and `aidlc cost hooks status`
 * read `installed` throughout.
 *
 * WHY SAFE TIER, AND WHY IT REPAIRS RATHER THAN REPORTS. The shim is generated
 * output with no user content, already gitignored, and `writeShim` is idempotent —
 * rewriting it destroys nothing a user authored. Report-only was tried for this
 * exact failure class (`stale-cost-hooks`) and the data was lost anyway, because
 * the last link in the chain was a human reading a line. `aidlc cost` already
 * prints "run `aidlc doctor` to repair"; this is the migration that makes that
 * sentence true.
 *
 * Self-clearing: once the shim exists and is executable, `shimProblem` returns
 * null and this stops reporting without anyone editing state.
 */
import type { Migration } from '../types.js';
/**
 * Platforms whose hook is armed against an unusable shim. Read-only half,
 * exported for reuse and direct testing.
 *
 * Legacy hooks are excluded: they do not invoke the shim, so its state is not
 * their problem — `legacy-cost-hooks` re-installs those, which writes the shim as
 * a side effect anyway.
 */
export { platformsWithUnusableShim } from '../../cost/hooks/arm.js';
export declare const missingCostShim: Migration;
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