chore: release

[nikomatsakis]

🤖 New release

• sacp: 9.0.0 -> 10.0.0 (⚠ API breaking changes)
• sacp-tokio: 9.0.0 -> 10.0.0 (✓ API compatible changes)
• sacp-conductor: 9.0.0 -> 10.0.0 (⚠ API breaking changes)
• yopo: 9.0.0 -> 10.0.0 (✓ API compatible changes)
• sacp-test: 9.0.0
• elizacp: 9.0.0 -> 10.0.0 (✓ API compatible changes)
• sacp-rmcp: 9.0.0 -> 10.0.0 (✓ API compatible changes)
• sacp-tee: 9.0.0 -> 10.0.0 (✓ API compatible changes)

⚠ sacp breaking changes

--- failure enum_missing: pub enum removed or renamed ---

Description:
A publicly-visible enum cannot be imported by its prior path. A `pub use` may have been removed, or the enum itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/enum_missing.ron

Failed in:
  enum sacp::role::RemoteRoleStyle, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:75

--- failure inherent_method_missing: pub method removed or renamed ---

Description:
A publicly-visible method or associated fn is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/inherent_method_missing.ron

Failed in:
  JrResponse::await_when_ok_response_received, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc.rs:2692
  JrResponse::await_when_result_received, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc.rs:2767
  JrConnectionBuilder::with_client, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc.rs:1107
  JrConnection::with_client, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc.rs:1243
  SessionBuilder::run_session, previously in file /tmp/.tmpvksC14/sacp/src/session.rs:127
  SessionBuilder::send_request, previously in file /tmp/.tmpvksC14/sacp/src/session.rs:157

--- failure module_missing: pub module removed or renamed ---

Description:
A publicly-visible module cannot be imported by its prior path. A `pub use` may have been removed, or the module may have been renamed, removed, or made non-public.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/module_missing.ron

Failed in:
  mod sacp::role, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:1

--- failure struct_missing: pub struct removed or renamed ---

Description:
A publicly-visible struct cannot be imported by its prior path. A `pub use` may have been removed, or the struct itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/struct_missing.ron

Failed in:
  struct sacp::role::Client, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:179
  struct sacp::Client, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:179
  struct sacp::role::ProxyToConductorState, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:353
  struct sacp::role::ConductorToProxy, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:311
  struct sacp::role::AgentToClient, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:269
  struct sacp::role::ProxyToConductor, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:349
  struct sacp::role::Conductor, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:191
  struct sacp::Conductor, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:191
  struct sacp::handler::NotificationHandler, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc/handlers.rs:180
  struct sacp::mcp_server::McpMessageHandler, previously in file /tmp/.tmpvksC14/sacp/src/mcp_server/server.rs:90
  struct sacp::role::Agent, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:185
  struct sacp::Agent, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:185
  struct sacp::mcp_server::ToolFnResponder, previously in file /tmp/.tmpvksC14/sacp/src/mcp_server/responder.rs:16
  struct sacp::handler::ChainedHandler, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc/handlers.rs:462
  struct sacp::handler::NamedHandler, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc/handlers.rs:421
  struct sacp::role::ConductorToAgent, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:328
  struct sacp::role::ConductorToClient, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:286
  struct sacp::handler::RequestHandler, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc/handlers.rs:46
  struct sacp::role::ClientToAgent, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:230
  struct sacp::mcp_server::ToolCall, previously in file /tmp/.tmpvksC14/sacp/src/mcp_server/responder.rs:8
  struct sacp::role::UntypedEndpoint, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:173
  struct sacp::handler::MessageHandler, previously in file /tmp/.tmpvksC14/sacp/src/jsonrpc/handlers.rs:305
  struct sacp::role::UntypedRole, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:205

--- failure trait_associated_type_added: non-sealed public trait added associated type without default value ---

Description:
A non-sealed trait has gained an associated type without a default value, which breaks downstream implementations of the trait
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#trait-new-item-no-default
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/trait_associated_type_added.ron

Failed in:
  trait associated type sacp::JrMessageHandler::Link in file /tmp/.tmp7oQS3Q/symposium-acp/src/sacp/src/jsonrpc.rs:176

--- failure trait_missing: pub trait removed or renamed ---

Description:
A publicly-visible trait cannot be imported by its prior path. A `pub use` may have been removed, or the trait itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/trait_missing.ron

Failed in:
  trait sacp::role::HasDefaultEndpoint, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:61
  trait sacp::HasDefaultEndpoint, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:61
  trait sacp::role::JrEndpoint, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:64
  trait sacp::JrEndpoint, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:64
  trait sacp::role::HasEndpoint, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:67
  trait sacp::HasEndpoint, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:67
  trait sacp::role::JrRole, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:28
  trait sacp::JrRole, previously in file /tmp/.tmpvksC14/sacp/src/role.rs:28

--- failure trait_removed_associated_type: trait's associated type was removed ---

Description:
A public trait's associated type was removed or renamed.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/trait_removed_associated_type.ron

Failed in:
  associated type JrMessageHandler::Role, previously at /tmp/.tmpvksC14/sacp/src/jsonrpc.rs:175

--- failure trait_requires_more_generic_type_params: trait now requires more generic type parameters ---

Description:
A trait now requires more generic type parameters than it used to. Uses of this trait that supplied the previously-required number of generic types will be broken. To fix this, consider supplying default values for newly-added generic types.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#trait-new-parameter-no-default
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/trait_requires_more_generic_type_params.ron

Failed in:
  trait DynComponent (0 -> 1 required generic types) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp/src/component.rs:219
  trait DynComponent (0 -> 1 required generic types) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp/src/component.rs:219

--- failure type_mismatched_generic_lifetimes: type now takes a different number of generic lifetimes ---

Description:
A type now takes a different number of generic lifetime parameters. Uses of this type that name the previous number of parameters will be broken.
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/type_mismatched_generic_lifetimes.ron
Failed in:
  Struct ActiveSession (0 -> 1 lifetime params) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp/src/session.rs:431

--- failure type_requires_more_generic_type_params: type now requires more generic type parameters ---

Description:
A type now requires more generic type parameters than it used to. Uses of this type that supplied the previously-required number of generic types will be broken. To fix this, consider supplying default values for newly-added generic types.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#trait-new-parameter-no-default
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/type_requires_more_generic_type_params.ron

Failed in:
  Struct DynComponent (0 -> 1 required generic types) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp/src/component.rs:219
  Struct DynComponent (0 -> 1 required generic types) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp/src/component.rs:219

⚠ sacp-conductor breaking changes

--- failure enum_no_repr_variant_discriminant_changed: enum variant had its discriminant change value ---

Description:
The enum's variant had its discriminant value change. This breaks downstream code that used its value via a numeric cast like `as isize`.
        ref: https://doc.rust-lang.org/reference/items/enumerations.html#assigning-discriminant-values
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/enum_no_repr_variant_discriminant_changed.ron

Failed in:
  variant ConductorCommand::Mcp 1 -> 2 in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/lib.rs:246

--- failure enum_struct_variant_field_added: pub enum struct variant field added ---

Description:
An enum's exhaustive struct variant has a new field, which has to be included when constructing or matching on this variant.
        ref: https://doc.rust-lang.org/reference/attributes/type_system.html#the-non_exhaustive-attribute
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/enum_struct_variant_field_added.ron

Failed in:
  field components of variant ConductorCommand::Agent in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/lib.rs:232

--- failure enum_struct_variant_field_missing: pub enum struct variant's field removed or renamed ---

Description:
A publicly-visible enum has a struct variant whose field is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/enum_struct_variant_field_missing.ron

Failed in:
  field proxies of variant ConductorCommand::Agent, previously in file /tmp/.tmpvksC14/sacp-conductor/src/lib.rs:167

--- failure enum_variant_added: enum variant added on exhaustive enum ---

Description:
A publicly-visible enum without #[non_exhaustive] has a new variant.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#enum-variant-new
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/enum_variant_added.ron

Failed in:
  variant ConductorCommand:Proxy in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/lib.rs:236
  variant SourceComponentIndex:Successor in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/conductor.rs:1101
  variant SourceComponentIndex:Proxy in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/conductor.rs:1104

--- failure enum_variant_missing: pub enum variant removed or renamed ---

Description:
A publicly-visible enum has at least one variant that is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/enum_variant_missing.ron

Failed in:
  variant SourceComponentIndex::ConductorSuccessor, previously in file /tmp/.tmpvksC14/sacp-conductor/src/conductor.rs:1306
  variant SourceComponentIndex::Component, previously in file /tmp/.tmpvksC14/sacp-conductor/src/conductor.rs:1309

--- failure method_parameter_count_changed: pub method parameter count changed ---

Description:
A publicly-visible method now takes a different number of parameters.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#fn-change-arity
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/method_parameter_count_changed.ron

Failed in:
  sacp_conductor::Conductor::new now takes 4 parameters instead of 3, in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/conductor.rs:165

--- failure struct_missing: pub struct removed or renamed ---

Description:
A publicly-visible struct cannot be imported by its prior path. A `pub use` may have been removed, or the struct itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/struct_missing.ron

Failed in:
  struct sacp_conductor::ConductorMessageHandler, previously in file /tmp/.tmpvksC14/sacp-conductor/src/conductor.rs:243

--- failure trait_missing: pub trait removed or renamed ---

Description:
A publicly-visible trait cannot be imported by its prior path. A `pub use` may have been removed, or the trait itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/trait_missing.ron

Failed in:
  trait sacp_conductor::ComponentList, previously in file /tmp/.tmpvksC14/sacp-conductor/src/conductor.rs:1344

--- failure trait_requires_more_generic_type_params: trait now requires more generic type parameters ---

Description:
A trait now requires more generic type parameters than it used to. Uses of this trait that supplied the previously-required number of generic types will be broken. To fix this, consider supplying default values for newly-added generic types.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#trait-new-parameter-no-default
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/trait_requires_more_generic_type_params.ron

Failed in:
  trait ConductorResponder (0 -> 1 required generic types) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/conductor.rs:347
  trait Conductor (0 -> 1 required generic types) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/conductor.rs:156

--- failure type_requires_more_generic_type_params: type now requires more generic type parameters ---

Description:
A type now requires more generic type parameters than it used to. Uses of this type that supplied the previously-required number of generic types will be broken. To fix this, consider supplying default values for newly-added generic types.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#trait-new-parameter-no-default
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/type_requires_more_generic_type_params.ron

Failed in:
  Struct ConductorResponder (0 -> 1 required generic types) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/conductor.rs:347
  Struct Conductor (0 -> 1 required generic types) in /tmp/.tmp7oQS3Q/symposium-acp/src/sacp-conductor/src/conductor.rs:156

Changelog

sacp

10.0.0 - 2025-12-28

Added

• (sacp) add LocalRole associated type to JrLink
• (sacp) add on_proxy_session_start and return SessionId from start_session_proxy
• (sacp) add on_session_start for spawned sessions
• (sacp) add proxy_session for per-session MCP server injection
• (sacp) add build_session_from for proxying session requests
• (sacp) make tool_fn run concurrently
• (sacp) add tool_fn for concurrent stateless tools

Fixed

• (sacp) use unstructured output for non-object MCP tool results
• (sacp) resolve race condition in proxy_remaining_messages

Other

• [breaking] add ProxyPeer and improve link documentation
• [breaking] split peer.rs into separate peer and link modules
• [breaking] update module and documentation references from role to peer
• [breaking] rename FooRole types to FooPeer
• [breaking] replace RemotePeer with HasDefaultPeer::DefaultPeer
• [breaking] remove LocalRole from JrLink trait
• [breaking] rename link endpoint types from Foo to FooRole
• [breaking] give component a link
• [breaking] split Conductor into agent vs proxy mode with ConductorLink trait
• [breaking] rename End type param to Peer, endpoint vars to peer
• [breaking] more endpoint -> peer renames
• update UntypedRole to UntypedLink in doc examples
• [breaking] rename Endpoint to Role
• (sacp) rename JrRole to JrLink, Role type param to Link
• [breaking] rename JrRole to JrLink (and the Role associated type to Link)
• (deps) upgrade rmcp to 0.12.0
• (sacp-conductor) use explicit endpoints for ConductorToClient
• better debug logging
• cleanup the proxying code
• (sacp) fix cookbook doctest for start_session_proxy
• (sacp) add block_task() builder pattern for SessionBuilder
• (sacp) rename spawn_session to start_session
• (sacp) rename with_client to run_until
• (sacp) add lifetime-safe session proxying API
• (sacp) make all cookbook doctests compile and run
• (sacp) make cookbook examples compile
• (sacp) add cookbook module with common patterns
• update references for renamed methods
• (sacp) simplify McpServer handler architecture
• rename to McpNewSessionHandler for clarity
• (sacp) reduce public API surface for handler types
• (sacp) extract process_stream_concurrently utility

sacp-tokio

10.0.0 - 2025-12-28

Other

• [breaking] split peer.rs into separate peer and link modules
• [breaking] update module and documentation references from role to peer
• [breaking] give component a link
• update UntypedRole to UntypedLink in doc examples
• (sacp) rename with_client to run_until
• update references for renamed methods

sacp-conductor

10.0.0 - 2025-12-28

Added

• (sacp) add tool_fn for concurrent stateless tools

Fixed

• (sacp) use unstructured output for non-object MCP tool results
• (sacp-conductor) route proxied responses through conductor message loop
• (sacp-conductor) use Agent endpoint for proxy mode successor forwarding

Other

• [breaking] split peer.rs into separate peer and link modules
• [breaking] update module and documentation references from role to peer
• [breaking] rename FooRole types to FooPeer
• [breaking] rename link endpoint types from Foo to FooRole
• [breaking] give component a link
• refactor!(conductor): replace ComponentList with typed instantiator traits
• [breaking] split Conductor into agent vs proxy mode with ConductorLink trait
• use self.conductor_tx
• [breaking] rename End type param to Peer, endpoint vars to peer
• update UntypedRole to UntypedLink in doc examples
• [breaking] rename Endpoint to Role
• (sacp) rename JrRole to JrLink, Role type param to Link
• [breaking] rename JrRole to JrLink (and the Role associated type to Link)
• (sacp-conductor) use explicit endpoints for ConductorToClient
• (sacp) add block_task() builder pattern for SessionBuilder
• (sacp) rename with_client to run_until
• update references for renamed methods

yopo

10.0.0 - 2025-12-28

Other

• [breaking] split peer.rs into separate peer and link modules
• [breaking] update module and documentation references from role to peer
• [breaking] give component a link
• (sacp) add block_task() builder pattern for SessionBuilder
• (sacp) rename spawn_session to start_session
• (sacp) rename with_client to run_until
• (sacp) add lifetime-safe session proxying API

sacp-test

9.0.0 - 2025-12-15

Added

• [breaking] introduce role-based connection API
• [breaking] change JrMessage trait to take &self and require Clone
• (sacp-test) add mcp-echo-server binary for testing
• (sacp) add IntoHandled trait for flexible handler return types
• (sacp-test) add arrow proxy for testing

Fixed

• fix cargo.toml metadata, dang it

Other

• set all crates to version 6.0.0
• release
• cleanup cargo metadata
• replace yolo_prompt with direct yopo::prompt calls
• (yopo) return sacp::Error instead of Box
• (sacp-test) use yopo library for test client implementation
• release version 1.0.0 for all crates (sacp-rmcp at 0.8.0)
• Revert to state before 1.0.0 release
• release version 1.0.0 for all crates
• (sacp) add Component::serve() and simplify channel API
• [breaking] make Component trait ergonomic with async fn and introduce DynComponent
• [breaking] make Component the primary trait with Transport as blanket impl
• cleanup and simplify some of the logic to avoid "indirection" through
• unify Transport and Component traits with BoxFuture-returning signatures
• create selective jsonrpcmsg re-export module
• replace jsonrpcmsg::Message with sacp::JsonRpcMessage throughout codebase
• Merge pull request cleanup and refactor the API #16 from nikomatsakis/main
• fix doctests for API refactoring
• wip wip wip
• [breaking] remove Unpin bounds and simplify transport API
• update all versions from 1.0.0-alpha to 1.0.0-alpha.1
• release v1.0.0-alpha
• (conductor) add integration test with arrow proxy and eliza
• (conductor) add integration test with arrow proxy and eliza
• rename sacp-doc-test to sacp-test

elizacp

10.0.0 - 2025-12-28

Other

• [breaking] split peer.rs into separate peer and link modules
• [breaking] update module and documentation references from role to peer
• [breaking] give component a link
• update UntypedRole to UntypedLink in doc examples
• (sacp) rename with_client to run_until
• update references for renamed methods

sacp-rmcp

10.0.0 - 2025-12-28

Other

• [breaking] rename FooRole types to FooPeer
• [breaking] rename link endpoint types from Foo to FooRole
• [breaking] give component a link
• [breaking] rename Endpoint to Role
• (sacp) rename JrRole to JrLink, Role type param to Link
• [breaking] rename JrRole to JrLink (and the Role associated type to Link)

sacp-tee

10.0.0 - 2025-12-28

Other

• [breaking] split peer.rs into separate peer and link modules
• [breaking] update module and documentation references from role to peer
• [breaking] give component a link
• [breaking] rename JrRole to JrLink (and the Role associated type to Link)

---

This PR was generated with release-plz.