Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@network/fetch/src/dispatcher.ts`:
- Around line 65-75: The dispose hook for DISPATCHER_CACHE must await dispatcher
shutdown instead of fire-and-forgetting it; update the hook implementation so it
is async and returns/awaits the Promise from installed.close() (which calls
Agent.close()/ProxyAgent.close()) rather than using "void installed.close()";
ensure the hook awaits close() before removing entries from DISPATCHER_CACHE so
closeGlobalDispatcher() (and its call to DISPATCHER_CACHE.clear()) does not
resolve while keep-alive sockets are still open—refer to the DISPATCHER_CACHE
dispose hook, installed.close(), closeGlobalDispatcher,
installedGlobalDispatcher, previousGlobalDispatcher and setGlobalDispatcher when
making the change.

In `@pnpm/src/pnpm.ts`:
- Around line 31-33: The finally block currently awaits finishWorkers() and
closeGlobalDispatcher() directly which can overwrite the original error from
main(); change the flow to capture the primary outcome (store any error thrown
by main() in a variable, e.g. mainError) and in finally run finishWorkers() and
closeGlobalDispatcher() inside their own try/catch so their rejections are
logged/handled but do not replace mainError; after teardown, rethrow mainError
if present, otherwise if teardown produced an error throw that one—ensure you
reference the existing main()/errorHandler() flow and the functions
finishWorkers() and closeGlobalDispatcher() when implementing this preservation
of the original outcome.

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Duplicate comments:
In `@pnpm/src/pnpm.ts`:
- Around line 30-32: The finally block currently does `await finishWorkers()`
which can throw and overwrite the original main()/errorHandler() outcome; wrap
the call in its own try/catch inside the finally so cleanup errors are caught
and logged but not rethrown (e.g., in the finally of the top-level function that
calls main()/errorHandler(), catch errors from finishWorkers() and call the
logger/errorHandler but do not throw), referencing the existing finishWorkers(),
main(), and errorHandler() symbols so you locate and replace the direct await
finishWorkers() with a guarded try { await finishWorkers() } catch (err) {
processLogger.error('finishWorkers failed', err) } (or equivalent) to preserve
the original exit semantics.