fix: clean up lint leftovers

src/agents/model-compat.ts

@@ -1,9 +1,5 @@
 import type { Api, Model } from "@mariozechner/pi-ai";
 
-function isOpenAICompletionsModel(model: Model<Api>): model is Model<"openai-completions"> {
-  return model.api === "openai-completions";
-}
-
 export function normalizeModelCompat(model: Model<Api>): Model<Api> {
   const isOpenAICompletionsModel = (
     candidate: Model<Api>,

src/cli/update-cli.ts

@@ -24,7 +24,6 @@ import {
   formatUpdateChannelLabel,
   normalizeUpdateChannel,
   resolveEffectiveUpdateChannel,
-  type UpdateChannel,
 } from "../infra/update-channels.js";
 import { defaultRuntime } from "../runtime.js";
 import { formatDocsLink } from "../terminal/links.js";