Refuse connection of existing session and start teardown instead - #5877
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aasoni wants to merge 7 commits into
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Refuse connection of existing session and start teardown instead#5877aasoni wants to merge 7 commits into
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Adds the two server-side changes needed for SDK auto-reconnect (proposal 0037). Connection replacement: a client which reconnects can now send a stable, client-generated `session_id` query parameter. Each connection still gets its own ConnectionId and its own lifecycle events. The session id only identifies which earlier connection a new one supersedes. When a connection claims a session held by a live connection of the same identity, that connection's actor is stopped and its module-side disconnect lifecycle is awaited before the new connection's client_connected, so a module never observes two live connections for one session, nor the old connection's client_disconnected after the new client_connected. Batch subscribe: SubscribeBatch and SubscribeBatchApplied register multiple query sets under one subscription-manager lock and evaluate them at a single transaction snapshot. No transaction update can interleave with the responses, so a reconnecting client can replay its subscriptions and reconcile its cache against a consistent snapshot. Per-set errors are reported in the response and the remaining sets still apply
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September 7, 2026 12:13
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September 7, 2026 15:13
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Description of Changes
API and ABI breaking changes
Rollback safety impact
Expected complexity level and risk
Testing