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Output from azd version
N/A — this tracks an endpoint format update in the azure.ai.agents extension.

Describe the bug
azd deploy registers, and azd ai agent show displays, the preview invocations_ws dispatcher URL with project_name and agent_name query parameters. The Foundry GA contract uses path-based routing instead.

To Reproduce

1. Deploy a hosted agent that declares the invocations_ws protocol.
2. Run azd ai agent show.
3. Observe Endpoint (invocations_ws) using /api/projects/agents/endpoint/protocols/invocations_ws?project_name=...&agent_name=....

Expected behavior
The endpoint uses the GA route:

wss://<account>.services.ai.azure.com/api/projects/<project>/agents/<agent>/endpoint/protocols/invocations_ws?api-version=v1

Environment
N/A

Additional context
Foundry API specification: https://github.com/coreai-microsoft/foundrysdk_specs/pull/221

The preview dispatcher route currently remains active in at least one live environment, but it is not part of the GA contract and callers should migrate to the path-based URL.