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Summary

Keep cached ROM lists as an immediate paint path, but continue the deferred network refresh even when the cache count still matches so same-count server changes do not leave the TUI permanently stale.

Crate(s)

• romm-api
• romm-cli
• romm-tui
• docs / CI only

Checklist

• cargo fmt --check passes
• Both cargo clippy runs pass (--all-features and --no-default-features, -D warnings)
• cargo test --workspace passes (or scoped tests with reason)
  • Scoped to cargo test -p romm-tui because the change is isolated to TUI ROM-list cache refresh behavior.
• PR title uses Conventional Commits with the right scope for the changelog
• No secrets, tokens, or personal config in the diff
• User-facing changes documented in the relevant docs/*.md if needed
  • No docs update needed; this restores intended refresh behavior.