feat(omo-codex): add start-work continuation component

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

packages/omo-codex/plugin/components/start-work-continuation/src/directive.ts

@@ -0,0 +1,6 @@
+import { readFileSync } from "node:fs";
+
+export const START_WORK_CONTINUATION_DIRECTIVE: string = readFileSync(
+	new URL("../directive.md", import.meta.url),
+	"utf8",
+);