fix(hooks): improve comment checker CLI runner

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

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

src/hooks/comment-checker/cli-runner.ts

@@ -47,6 +47,9 @@ export async function processWithCli(
   cliPath: string,
   customPrompt: string | undefined,
   debugLog: (...args: unknown[]) => void,
+  deps: {
+    runCommentChecker?: typeof runCommentChecker
+  } = {},
 ): Promise<void> {
   await withCommentCheckerLock(async () => {
     void input
@@ -67,7 +70,7 @@ export async function processWithCli(
       },
     }
 
-    const result = await runCommentChecker(hookInput, cliPath, customPrompt)
+    const result = await (deps.runCommentChecker ?? runCommentChecker)(hookInput, cliPath, customPrompt)
 
     if (result.hasComments && result.message) {
       debugLog("CLI detected comments, appending message")