regenerate omp port from pi base via port-to-omp

Checks now self-register through the static barrel (src/checks/all.ts) like
the pi base: the ?mtime registry-split workaround is gone, check modules and
tests are byte-identical to the base, and registration happens in one module
graph instance under omp's extension loader.

tests/comments.test.ts

@@ -27,7 +27,7 @@ import {
 import { handleCheckCommand, type PygieniumCtx } from "../src/commands.js";
 import { loadRunState } from "../src/run-state.js";
 import {
-	check as commentsCheck,
+	commentsCheck,
 	findingsPath,
 	changesPath,
 } from "../src/checks/comments.js";
@@ -48,6 +48,7 @@ const FILENAME = "sample.ts";
 function stubCtx(cwd: string): PygieniumCtx {
 	return {
 		cwd,
+		mode: "print",
 		hasUI: false,
 		ui: undefined,
 	} as PygieniumCtx;