chore(symposium-acp-agent): release v2.0.0

[nikomatsakis]

🤖 New release

• symposium-acp-agent: 1.3.0 -> 2.0.0 (⚠ API breaking changes)

⚠ symposium-acp-agent breaking changes

--- failure auto_trait_impl_removed: auto trait no longer implemented ---

Description:
A public type has stopped implementing one or more auto traits. This can break downstream code that depends on the traits being implemented.
        ref: https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.45.0/src/lints/auto_trait_impl_removed.ron

Failed in:
  type Symposium is no longer Sync, in /tmp/.tmpVAHB1d/symposium/src/symposium-acp-agent/src/symposium.rs:58
  type Symposium is no longer UnwindSafe, in /tmp/.tmpVAHB1d/symposium/src/symposium-acp-agent/src/symposium.rs:58
  type Symposium is no longer RefUnwindSafe, in /tmp/.tmpVAHB1d/symposium/src/symposium-acp-agent/src/symposium.rs:58

--- 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:
  SymposiumConfig::from_proxy_names, previously in file /tmp/.tmpO4NmK9/symposium-acp-agent/src/symposium.rs:36

--- 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:
  symposium_acp_agent::symposium::Symposium::new now takes 2 parameters instead of 1, in /tmp/.tmpVAHB1d/symposium/src/symposium-acp-agent/src/symposium.rs:65

--- failure pub_module_level_const_missing: pub module-level const is missing ---

Description:
A public const is missing 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/pub_module_level_const_missing.ron

Failed in:
  KNOWN_PROXIES in file /tmp/.tmpO4NmK9/symposium-acp-agent/src/symposium.rs:16

Changelog

2.0.0 - 2026-01-16

Added

• install sparkle via cargo-binstall instead of bundling

Other

• Use AcpAgent::from_str
• resolve_extension should use registry extensions
• Resolve always on the Rust side
• Add a proxy-shim command and always return and expect registry entries
• Some rearranging to move more of the notions of builtin proxies out of symposium.rs and into just main.rs
• Rename ProxySource::McpServer to ProxySource::AcpProxy, and fix tests
• Fix custom extensions by passing json
• add integration test for cargo binstall workflow

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This PR was generated with release-plz.