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Publishing `@punktfunk/host@0.1.3` — the release that lets a library scanner register `category`, so Lutris and Heroic stay out of the console nav — reached **no existing install**. Measured on `.21`: the only thing that moved it was deleting `bun.lock` by hand over ssh. A fix that needs an ssh session is not a fix. **Why nothing reached it.** Every plugin resolves the SDK from the plugins tree, and `bun.lock` pins it to an exact version with an integrity hash. Nothing in any user-facing flow re-resolves that pin: installing a plugin, reinstalling it, and even updating it to a newer release all leave the SDK alone, because the plugin's `^0.1.x` range is already satisfied by what is locked. `bun update` does not help either — the plugins are pinned exactly in the root manifest, so there is no direct dependency to update through. **Where the fix belongs.** The runner. It is bundled from this same `sdk/` at the host's release commit (`packaging/arch/PKGBUILD` builds `src/runner-cli.ts` into the punktfunk-scripting package), so `SDK_VERSION` is by construction the SDK matching the host now on disk. A host upgrade is therefore the one moment that can carry an SDK fix to already-installed plugins, and now it does — before any plugin loads, and with no operator action at all. **Why it re-resolves the whole lockfile** rather than pinning the SDK at the root: a targeted `bun add @punktfunk/host@<v>` does NOT work while plugins declare the SDK in their own `dependencies` (all six scanners do, though none import it). bun honours their locked resolution and gives each a private nested copy that then SHADOWS the root — measured, 5 nested copies, which is how I first "fixed" the box while leaving every plugin still importing 0.1.2. A lockless resolve hoists one copy for everyone. Once the plugins drop that spurious dependency this can become the targeted form. Safety, because this runs unattended at boot on a tree the operator's plugins load from: plugin versions are pinned exactly in the root manifest so a re-resolve cannot move them (verified — lutris stays 0.1.0); the lockfile is backed up and restored if the install fails or fails to deliver; and every failure is logged and swallowed, so a dependency refresh can never stop working plugins from starting. The no-op path is the one that runs on every healthy box, so it is tested first: same version, or no SDK at all, touches nothing and logs nothing. The SDK is bumped to 0.1.4 because its published content changed. Republishing 0.1.3 is impossible, and letting source drift from a published version is precisely the defect that produced this whole chain — 0.1.2 was published before it forwarded `category`, then the source changed underneath it without a bump. `version.test.ts` fails if `SDK_VERSION` and `package.json` ever disagree. Verified end to end on `.21` against a tree seeded from the operator's real pre-fix backup: 0.1.2 → 0.1.3 automatically, one hoisted copy, no nested copies, plugin versions preserved, and a second run is a silent no-op. SDK 79 tests pass (5 new), typecheck clean.