chore(docs): clarify the supported gRPC network boundary

[yordis]

• Keeps deployment, operator, and migration guidance aligned with the supported network topology and honest TestClient capabilities.

[cursor]

PR Summary

Low Risk
Mostly documentation and sample/CI alignment; Dockerfile port exposure and Compose env vars could affect operators who relied on the old documented TCP topology or incorrect EXPOSE metadata.

Overview
This PR re-documents TrogonEventStore’s supported network model: database clients, gossip/elections, and follower-to-leader forwarding use gRPC on the node HTTP(S) endpoint; replication uses gRPC on a separate replication HTTP(S) listener; there is no legacy EventStore TCP client or replication protocol. Architecture, networking, cluster, security, installation, upgrade, Admin UI, and diagnostics pages are updated to match, including Monitoring.ConnectionStats / Monitoring.ReplicationStats (and removal of TCP-oriented stats/Monitoring.TcpStats from the contract) and upgrade/TestClient guidance for retired TCP commands and protos.

Deployment and CI changes set explicit EVENTSTORE_NODE_IP in local cluster Compose files, drop the test image CA cert copy from the Dockerfile, fix runtime EXPOSE to 1112 + 2113, trim .gitignore for ClientAPI assembly version, and adjust scripts/test.sh to stop routing TCP API test plugin suites and give core-services a longer timeout.

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[cursor]

Cursor Bugbot has reviewed your changes using default effort and found 1 potential issue.

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