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Michael Suchacz
8ea2586189
Adds the chat lifecycle hook wire contract and dispatch plumbing, first PR of the lifecycle hooks stack (followed by #27428, #27429, #27430). - `codersdk/x/agenthooks`: event and response wire types, JWT creation and verification with the shared secret (HS256, request body digest, expiry and not-before freshness checks), and an HTTP handler helper so consumers only implement the events they use. The `codersdk/x` location marks the consumer SDK as experimental. - `coderd/x/agenthooks/dispatch`: a stateless dispatcher that signs and posts hook events, enforces a concurrency cap under one configured timeout that bounds both the capacity wait and both post attempts, retries one connection failure with the same JWT, sends a distinctive `coderd-agenthooks/<version>` User-Agent, and records Prometheus metrics. Delivery is at least once; consumers own durable decision state, audit records, and deduplication keyed by the stable payload identifiers. Nothing is persisted by Coder. - Response bodies decode strictly: unknown fields, duplicate JSON keys (including inside `input_override`), and trailing data fail the dispatch closed as protocol errors instead of silently reading as allow. - `coderd/util/xnet`: shared timeout and connection error classification used by the dispatcher retry logic. Transient HTTP/2 stream aborts count as connection errors, so the documented single retry also applies to h2 consumers, which is the shape Go's default transport negotiates against any TLS consumer. Deterministic protocol failures stay terminal. Only the struct form of a stream error is matched, because `net/http` bundles its own HTTP/2 types and `h2_error.go` bridges only that shape. - `scripts/agenthooks-server`: a reference consumer that logs events and demonstrates consumer-owned pre-tool decision deduplication. It requires an explicitly configured JWT audience rather than deriving one from the request, and its startup output names the mode it is running in so an operator can see that the example policy flags need `-log-only=false`. - `scripts/apitypings`: generate TypeScript types for the hook wire contract. Dispatch failures log without the error's stack frames, since a failed dispatch is an expected, operator-visible condition. Nothing dispatches these events yet; chatd wiring lands in #27429. > This PR was written by Mux, an AI coding agent, on Mike's behalf.
APITypings
This main.go generates typescript types from the codersdk types in Go.
Uses it's own go.mod to exclude goja deps from the main go.mod.