chore: release v0.16.0

[luizParreira]

🤖 New release

• agent-sdk-foundation: 0.15.0 -> 0.16.0 (⚠ API breaking changes)
• agent-sdk-macros: 0.15.0 -> 0.16.0
• agent-sdk-providers: 0.15.0 -> 0.16.0 (✓ API compatible changes)
• agent-sdk-tools: 0.15.0 -> 0.16.0 (✓ API compatible changes)
• agent-sdk: 0.15.0 -> 0.16.0 (✓ API compatible changes)
• agent-sdk-otel: 0.15.0 -> 0.16.0
• agent-sdk-cli: 0.15.0 -> 0.16.0

⚠ agent-sdk-foundation breaking changes

--- failure constructible_struct_adds_field: externally-constructible struct adds field ---

Description:
A pub struct constructible with a struct literal has a new pub field. Existing struct literals must be updated to include the new field.
        ref: https://doc.rust-lang.org/reference/expressions/struct-expr.html
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.48.0/src/lints/constructible_struct_adds_field.ron

Failed in:
  field Usage.served_speed in /tmp/.tmpz4otfj/agent-sdk/crates/agent-sdk-foundation/src/llm.rs:811
  field Usage.served_speed in /tmp/.tmpz4otfj/agent-sdk/crates/agent-sdk-foundation/src/llm.rs:811

Changelog

agent-sdk-foundation

0.16.0 - 2026-07-28

Added

• (providers) report which speed tier actually served a request (#409)
• (providers) add premium speed tiers (Anthropic fast mode, OpenAI priority) (#408)

agent-sdk-macros

0.13.0 - 2026-07-14

Other

• release v0.13.0 (#378)

agent-sdk-providers

0.16.0 - 2026-07-28

Added

• (providers) report which speed tier actually served a request (#409)
• (providers) add premium speed tiers (Anthropic fast mode, OpenAI priority) (#408)
• (providers) register Claude Opus 5 and point the opus alias at it (#406)

agent-sdk-tools

0.16.0 - 2026-07-28

Added

• (providers) report which speed tier actually served a request (#409)

agent-sdk

0.16.0 - 2026-07-28

Added

• (providers) report which speed tier actually served a request (#409)
• (providers) add premium speed tiers (Anthropic fast mode, OpenAI priority) (#408)

agent-sdk-otel

0.13.0 - 2026-07-14

Other

• release v0.13.0 (#378)

agent-sdk-cli

0.16.0 - 2026-07-28

Added

• (providers) register Claude Opus 5 and point the opus alias at it (#406)

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