chore(deps): update rust crate agent-client-protocol to v0.15.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
agent-client-protocol	workspace.dependencies	minor	=0.11.1 → =0.15.1

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Release Notes

agentclientprotocol/rust-sdk (agent-client-protocol)

v0.15.1: agent-client-protocol-v0.15.1

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Fixed

• (acp) Hide agent stdio windows on Windows (#​215)

v0.15.0: agent-client-protocol-v0.15.0

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Added

• (deps) update schema to 0.14.0 (#​211)
• (acp) Update schema crate to 0.13.8 (#​210)
• (transports) add HTTP/WebSocket transport support (#​162)
• (acp) add unstable request cancellation support (#​179)

Other

• (acp) Replace jsonrpcmsg crate with shared schema types (#​205)
• (acp) Remove unused module files (#​204)
• (deps) Preserve serde_json object order (#​202)

v0.14.0: agent-client-protocol-v0.14.0

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Added

• Stabilize session/delete, message ids, and context usage (#​199)
• (acp) add unstable elicitation support (#​197)

Fixed

• (acp) Serialize proxy metadata as _meta (#​198)

Other

• Add features to docs.rs (#​190)

Added

• (unstable) Add JSON-RPC support for elicitation requests and notifications.

v0.13.1: agent-client-protocol-v0.13.1

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Added

• (deps) bump schema to 0.13.5 (#​188)

v0.13.0: agent-client-protocol-v0.13.0

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Added

• (acp) stabilize logout support (#​185)
• (acp) Extract all rmcp logic to the rmcp crate (#​180)
• (acp) Add unstable (very experimental!) protocol v2 support (#​170)

Changed

• Move the rmcp-backed MCP server builder to agent-client-protocol-rmcp, removing tokio, tokio-util, and rmcp from the core crate's normal dependency graph.

v0.12.1: agent-client-protocol-v0.12.1

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Other

• update Cargo.toml dependencies

v0.12.0: agent-client-protocol-v0.12.0

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Added

• (acp) add unstable session delete support (#​165)
• extract mcp-over-acp proxy (#​146)
• Stabilize session/close and session/resume (#​147)
• remove direct dependency on tokio (#​145)

Fixed

• propagate client connection errors and check capability value truthiness (#​108)

Other

• Trim dependencies (#​149)
• remove unreachable!() and improve error messages (#​139)

Breaking Changes

• Removed McpAcpTransport struct and its MetaCapability impl. MCP-over-ACP support is now advertised via mcpCapabilities.acp in InitializeResponse, not _meta.symposium.mcp_acp_transport.
• Renamed McpConnectRequest.acp_url to acp_id to match McpServerAcp.id and the MCP-over-ACP RFD.

Added

• (unstable) Add support for session/delete method.
• McpConnectionTo::acp_id() method.

Deprecated

• McpConnectionTo::acp_url() — use acp_id() instead.

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