chore(main): release adcp 2.0.0

[github-actions]

🤖 I have created a release beep boop

2.0.0 (2026-05-27)

⚠ BREAKING CHANGES

• adcp: preserve optional numeric zero values (#223)
• adcp: OptimizationGoal.Target now uses adcp.OptimizationGoalTarget instead of any.
• adcp: Package.OptimizationGoals, PackageInput.OptimizationGoals, and PackageUpdate.OptimizationGoals now use []adcp.OptimizationGoal instead of []any.
• adcp: type media buy status filter unions (#179)
• adcp: type delivery reporting request refs
• adcp: type media buy acceptance webhooks
• adcp: type proposal and installment refs
• adcp: type card and provenance refs (#171)
• adcp: type delivery and product inline refs (#170)
• adcp: type more closed inline refs (#169)
• adcp: type closed generated inline refs (#168)
• adcp: generate flattened core oneof refs (#161)
• adcp: type generated forecast and creative refs (#160)
• adcp: several Product and Package fields are typed instead of any.
• adcp: GetAdcpCapabilitiesResponse capability blocks are typed instead of any.
• adcp: several generated SDK fields that were any are now schema-backed typed structs or typed slices.
• adcp: generate media-buy schema helpers
• adcp: type media-buy seller follow-ups

Features

• adcp: add typed validation helpers (#227) (5a90e03)
• adcp: add union helper constructors (#184) (f189179)
• adcp: generate enum validation helpers (#193) (7bbf595)
• adcp: generate flattened core oneof refs (#161) (6506f84)
• adcp: generate media-buy schema helpers (85b7411)
• adcp: generate optimization metric enum helpers (#231) (13aa257)
• adcp: preserve optional numeric zero values (#223) (2fec145)
• adcp: report generated any coverage (2db0e16)
• adcp: type capabilities response (#158) (b3e69eb)
• adcp: type card and provenance refs (#171) (cb2c447)
• adcp: type closed generated inline refs (#168) (b461f07)
• adcp: type delivery and product inline refs (#170) (c39f417)
• adcp: type delivery reporting request refs (564a6eb)
• adcp: type generated core refs (#156) (0e1b8a4)
• adcp: type generated forecast and creative refs (#160) (7ad3ca7)
• adcp: type media buy acceptance webhooks (cf02c97)
• adcp: type media buy status filter unions (#179) (c5e2b2f)
• adcp: type media-buy seller follow-ups (9621ce8)
• adcp: type more closed inline refs (#169) (183f736)
• adcp: type optimization goal targets (bc43e2e)
• adcp: type optimization goals (c71fd73)
• adcp: type product reference fields (#159) (0a87533)
• adcp: type proposal and installment refs (a7e176e)
• schemas: manifest-driven sync of canonical agent skills (#100) (b8882ac)
• signing: default replay store + NewSignedHTTPClient preset (#88) (723edc2)
• targeting: extract audience membership into audience.Service (8e836d1)
• targeting: extract fcap into Service + Valkey 9 + glide (61cb66a)
• tmp: adopt seller_agent_url on identity match, regen schemas to latest (20ffd2b)
• tmp: adopt seller_agent_url on identity match, regen schemas to latest (c3fb813)
• tmp: Ed25519 request signing + HPKE TMPX exposure tokens (c996655)

Bug Fixes

• adcp: keep enum handling forward compatible (#187) (4bd5c24)
• adcp: narrow optimization target tool schema (#222) (3ab5d98)

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