prepare release v1.0.0

[MarcusSorealheis]

what This PR is meant to be a placeholder catch all for release candidates for v1.0.0

Summary (these bullets will be updated over time)

• bump version to 1.0.0-rc2 across workspace
• regenerate CHANGELOG.md for v1.0.0-rc2 (range v0.8.0..HEAD)
• update Cargo.lock (machete/pre-commit)

Release tagging (after merge)

• tag: v1.0.0-rc1 (signed)

Testing

• pre-commit (via nix dev shell)

Release notes (draft)

Stability/Resilience

• Fix Max Inflight Workers job acceptance
• Fix Redis index creation race
• Add worker config option to limit maximum inflight tasks
• Improved scheduling diagnostics/logging

Performance/Noise Reduction

• Lower log verbosity for bytestream and file update paths

Major/Breaking

• Redis client refactor: Replace Fred with redis-rs
  • Validate cluster vs standalone routing behavior
  • Validate PubSub/subscriber lifecycle (disconnect/reconnect)
  • Validate error/retry semantics when a node is down
  • Validate TLS/auth config parity (CA/certs, auth, client names)
  • Validate command timeouts + backoff behavior
  • Validate connection pooling/idle timeouts
  • Validate pipeline/batching behavior (if used)
  • Confirm config mapping + docs remain accurate
  • Confirm index creation paths on first start

---

This change is 

[MarcusSorealheis]

We completed our evaluation of rc1 and have moved to rc2.