Add bounded reads for operator run views.
- Read retained history in pages with an original sequence boundary.
- Observe current waits using each dependency's own task, retry and deadline metadata.
- Read parent and child relationships with independent run outcomes, without loading child histories.
- Read initial run metadata and recent failure references without resolving every continuation or decoding application values.
- Keep missing or pruned evidence explicit. Observation does not grant command authority or repair stored pointers.
These optional observer methods preserve custom observer compatibility. Worker
execution and portable protocol behavior are unchanged.
Full merged-source checks pass on baf795cea9bd6f582e001794bd72577f015dd1f2,
including coverage, MySQL, PostgreSQL, MariaDB and Laravel 9–13 upgrades.
A fresh registry install passes all 37 bounded-reader cases / 253 assertions.
The published registry/platform checks and all supported Laravel 9–13 / PHP
upgrade cells pass in release verification.
See #633, #634 and #635. Supporting Waterline and Server delivery continues in
durable-workflow/waterline#141.