## Summary
Bundled dust cleanup for `push3-evolution/evolve.sh` subsystem:
- **#716**: Fix null-fitness crash in generation JSONL parsing — `int(d.get('fitness', 0))` → `int(d.get('fitness') or 0)` (avoids `TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NoneType'` when fitness is JSON `null`)
- **#944**: Add `processExecIf_fix` to `ZERO_RATED_FLAGS` so inflated scores from that flag are zero-rated during pool admission/eviction
- **#945**: `fitness_flags` is comma-separated in practice — update `manifest.schema.json` description from 'Space-separated' to 'Comma-separated' and use `flags.split(',')` in `effective_fitness` instead of substring match
- Fix pre-existing SC2086: quote `$i` in `printf` argument (ShellCheck)
## Test plan
- [ ] ShellCheck passes on `tools/push3-evolution/evolve.sh`
- [ ] CI passes
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Co-authored-by: openhands <openhands@all-hands.dev>
Reviewed-on: https://codeberg.org/johba/harb/pulls/987
Reviewed-by: Disinto_bot <disinto_bot@noreply.codeberg.org>
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