pluginsdk/AGENTS.md
Alex Dunmow 1aa4c42d58 docs: reword core-boundary note to keep the block/core grep gate clean
The README/AGENTS prose mentioned the literal `block/core` token when stating
that plugins must not import it. Reword to "the first-party core module" so
`grep -rn block/core` over the repo returns zero hits — P2 can use that grep as
a hard verification that no code (or doc) reintroduces a core dependency.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-07 10:54:20 +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 the first-party `core` module — 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`.