feat(hooks): surface fsync-skip warnings to AI agent via tool output

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

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

src/plugin/tool-execute-after.ts

@@ -153,6 +153,7 @@ export function createToolExecuteAfterHandler(args: {
       await hooks.readImageResizer?.["tool.execute.after"]?.(hookInput, output)
       await hooks.hashlineReadEnhancer?.["tool.execute.after"]?.(hookInput, output)
       await hooks.webfetchRedirectGuard?.["tool.execute.after"]?.(hookInput, output)
+      await hooks.fsyncSkipWarning?.["tool.execute.after"]?.(hookInput, output)
       await hooks.jsonErrorRecovery?.["tool.execute.after"]?.(hookInput, output)
     }