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Jet Chiang
f1e5d8e4e3
Part of #731 and follow up to #640. This PR makes improvements to the Postgres store by addressing review comments on #940 and optimizing Postgres updates as suggested in #988. - Replaces Postgres row-locking updates for actors, templates, and snapshot tags with bounded optimistic concurrency control using UID/version CAS checks. - Strengthens relational integrity with missing FKs and indexes, and replace snapshot-tag creation pre-check with FK - Removes unnecessary UID uniqueness constraints - Standardize pagination and validation across stores, map malformed tokens and invalid sizes to appropriate gRPC errors - Improves actor resume race handling when workers disappear or concurrent assignments exhaust their retry budget - Improves reliability with startup retries, expired-lease cleanup, worker-watch reconnection after malformed msg - Expand Postgres, Redis, Contract, and Control API tests to cover new constraints, error semantics, concurrency --------- Signed-off-by: Jet Chiang <pokyuen.jetchiang-ext@solo.io>