Handle config watcher restart on stream close

[RAprogramm]

Summary

• restart the configuration watcher when the inotify stream closes and log/watch for restart errors
• extract reusable helpers for interpreting events and add a smoke test covering stream shutdown handling
• bump the crate version to 0.1.3, record the fix in the changelog, and refresh Cargo.lock (including the cocoa-foundation downgrade)

Testing

• cargo +nightly fmt --
• cargo +1.90.0 clippy --locked -- -D warnings
• cargo +1.90.0 build --locked --all-targets
• cargo +1.90.0 test --locked --all
• cargo +1.90.0 doc --locked --no-deps
• cargo audit
• cargo deny check (fails: cannot reach advisory-db)

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https://chatgpt.com/codex/tasks/task_e_68d5e9a4ba14832b93779c6f2718a52a