pluginsdk/AGENTS.md
Alex Dunmow b6d40ed8ac feat: bootstrap block/pluginsdk — the proto-first plugin SDK (P1)
Bootstrap the plugin-facing SDK module so the fleet migration (P2) becomes a
mechanical block/core/X -> block/pluginsdk/X import rewrite.

- abi/proto/v1: the single source-of-truth ABI proto tree, copied from the cms
  authoring source (cms/backend/abi/proto/v1) with go_package retargeted to
  git.dev.alexdunmow.com/block/pluginsdk/abi/v1;abiv1. Kills the hand-kept
  cms/core proto duplication (audit gap 4).
- abi/v1: generated Go bindings (buf generate); byte-identical to core's abi/v1
  save the embedded go_package path.
- plugin/ (registration + DI surface), plugin/wasmguest/** (transport shim,
  caps stubs, bnwasm db driver, testdata fixtures + golden .pb), and the
  guest-facing type packages: blocks (+builtin/shared/tags), templates
  (+pongo/bn), auth, settings, content, gating, crypto, rbac, video, ai,
  subscriptions, menus, datasources. Internal imports rewritten core ->
  pluginsdk; zero block/core references remain.
- README/AGENTS(+CLAUDE symlink)/Makefile: proto is the contract, Go is one
  binding; no replace directives; templates/bn is a synced copy authored in cms.

Spec: cms docs/superpowers/specs/2026-07-07-proto-first-plugin-sdk-design.md

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-07 10:51:00 +08:00

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# Plugin SDK
Go module `git.dev.alexdunmow.com/block/pluginsdk`.
**Purpose: this is the ONE plugin-facing artifact.** BlockNinja CMS plugins
import this module and nothing else from the internal Go tree. Plugins must
NOT import `block/core` — core exists only for code shared between first-party
entities (cms, orchestrator, ninja CLI).
## The contract is proto, not Go
- `abi/proto/v1/*.proto` is **the contract**. The host↔guest wire is proto-only;
a plugin in ANY language generates its own bindings from these files.
- `abi/v1/` is the **Go** binding of that contract (`abiv1`). The rest of the Go
surface here — `plugin/`, `plugin/wasmguest/**`, and the guest-facing type
packages — is **one language binding** of the SDK. A non-Go plugin implements
the ABI hooks directly and never sees these Go structs.
## Critical Rules
- **NEVER use `replace` directives in go.mod** — not here, not in any consumer.
All module resolution goes through the Gitea module proxy. To test local
changes, tag and push a version.
- All consumers are in-house — **no backwards-compatibility shims**. Change the
API and update consumers.
- Regenerate Go bindings after editing any `.proto`: `make proto`.
## `templates/bn/` is a synced copy — do not author here
The bn page chrome (head / toolbar / engagement / asset_hooks) is **authored in
`cms/backend/templates/bn`** and mechanically copied here via cms `make
sync-templates`, solely so guest-side plugin templates can compile it into their
wasm. check-safety **check 31** fails cms commits while the copies drift. Never
edit these files here directly — change them in cms and sync. (This chrome is
transitional: it is deleted once host-side head/body injection lands — Phase 3.)
## Design
Program spec (in the cms repo):
`docs/superpowers/specs/2026-07-07-proto-first-plugin-sdk-design.md`.