Summary:
Pull Request resolved: https://github.com/facebook/rocksdb/pull/15102
Add a dedicated Skycastle signal that invokes liveness through the existing remote-storage test-driver path.
For remote DB runs, double default wrapper/no-progress timeouts while preserving explicit overrides. Default remote liveness `expected_values_dir` to local storage so `UniqueIdVerifier` never treats a remote DB path as a local path; local liveness behavior remains unchanged.
Normalize both equals and spaced `--env_uri`/`--fs_uri` forms once so remote detection, workload execution, and cleanup share the same arguments. Track the crash harness and internal release scripts as CI source triggers, scoped so release-script changes select only the remote-storage signal. Add command-level regression coverage and failure-safe expected-values cleanup. Use generic remote DB/storage terminology throughout public RocksDB code and comments.
Reviewed By: pdillinger
Differential Revision: D115936164
fbshipit-source-id: e4997bf19eec18e4914626d479690b78c6cd3ad2
bbdcd2825f