Node 22.16 runs TypeScript only behind --experimental-strip-types (on by
default from 22.18), so `npm test` failed on every file with
ERR_UNKNOWN_FILE_EXTENSION. The flag is harmless on newer versions.
probe and session-diagnose still imported dist/schulcloud/client.js, which
the move to core/ renamed, so both scripts died at import.
A relative MIRROR_DIR broke file serving: res.sendFile refuses a relative
path, and resolveWithin returns an absolute path only when its root is one.
The config resolves it once, at load.
package-lock.json is what `npm install` records today: the `schulcloud`
bin, and no stale peer flags. 101 tests.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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