ekklesiaandClaude Opus 5.5
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The project decision is the GNU Affero General Public License, version 3 or (at your option) any later version. - "license": "AGPL-3.0-or-later" in all 14 Ekklesia-owned package.json files. - README: the License section states AGPL v3 or any later version (SPDX AGPL-3.0-or-later) and carries the FSF's standard grant: "either version 3 of the License, or (at your option) any later version", with its warranty disclaimer and pointer to the license. - Module template README and module development guide: AGPL-3.0-or-later for Ekklesia and official modules. LICENSE is unchanged: it remains the canonical AGPLv3 text. Co-Authored-By: Claude Opus 5.5 <[email protected]>
91 lines
6.0 KiB
Markdown
91 lines
6.0 KiB
Markdown
# Ekklesia module template
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This is the smallest supported Ekklesia module product. It proves the static manifest,
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compiled runtime and schema entrypoints, capability registration, a module-owned Drizzle table, a
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generated module-owned migration, logical storage-bucket declarations, and one permissioned HTTP
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route (`GET /records`, declared in `register`) that reads that table through
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`context.services.database` — the platform-provided `ModuleDatabase` facade, never a
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module-constructed Drizzle instance or a raw `pg` client. Migration execution and storage
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provisioning are intentionally not included.
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It also ships two independently optional React roles: a primary/management UI at `src/ui/index.tsx`
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and a full-viewport display at `src/display/index.tsx`. One invocation of `pnpm build` compiles each
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declared role to the exact artifact in `entrypoints.ui` and `entrypoints.display.artifact`
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([ADR 0023](../../docs/architecture/decisions/0023-module-ui-build-pipeline.md)). Both default-export
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the same role-neutral `defineModuleUi({ id, version, mount })` ABI and receive the same
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`ModuleUiHostContext`; there is deliberately no mode flag. The manifest entrypoint and the host route
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choose the role.
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Either role can be omitted independently. To remove only the display example, delete `src/display/`
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and `entrypoints.display` (and remove `example.display.view` if nothing else uses it). To keep the
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module backend-only, also delete `src/ui/`, `tsconfig.ui.json`, `tsconfig.ui-test.json`,
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`tests/module-ui.test.ts`, the `ui` entrypoint, and the React/module-UI dependencies. The builder
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succeeds with an empty artifact list when neither role is declared.
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`tests/module-ui.test.ts` builds both artifacts from source, validates them with
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`parseModuleUiExport`, mounts each into a real DOM, and unmounts it. Ekklesia mounts the primary UI
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inside its Dashboard shell and serves the display without Dashboard chrome at the stable
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`/display/example` page. See
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[Declaring UI entrypoints](../../docs/module-development/README.md#declaring-ui-entrypoints).
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To create a module inside this repository:
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1. Copy this directory to `modules/<module-id>`.
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2. Rename the package in `package.json` and remove `private` when it is ready for publication.
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3. Update the ID, name, version, namespaces, compatibility ranges, and bucket requests in
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`ekklesia.module.json`.
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4. Keep the manifest capability versions and dependency ranges aligned with the contracts the
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module actually implements and consumes.
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5. Replace `src/server/index.ts` with backend behavior only. Its `defineModuleRuntime` ID and version
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must match the manifest; do not duplicate the rest of the manifest in TypeScript. Declare HTTP
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routes only in `register`, against a permission the manifest already declares; `start`, `stop`,
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and every route handler — never `register` — receive `context.services.database`, a typed
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`ModuleDatabase` view over the platform's one PostgreSQL pool.
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6. Replace the pure Drizzle declarations in `src/schema/tables.ts` and keep its table prefix aligned
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with the module ID. Keep the `defineModuleSchema` ownership wrapper in `src/schema/index.ts`
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aligned too, and never import another module's schema.
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7. Update `drizzle.config.ts`, generate forward migrations with `pnpm migration:generate
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--name=lowercase_name` from the module directory, and review the SQL. Keep each generated tag in
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`drizzle/meta/_ekklesia.json`, classify it as `none` or `approval-required`, and change that
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file's `moduleId` when renaming the template.
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8. Run `pnpm install`, `pnpm build`, `pnpm modules:validate`, `pnpm migrations:validate`, and
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`pnpm verify` from the repository
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root. The declared production entrypoint is the compiled `dist/server/index.js`, not source
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TypeScript; the schema entrypoint is likewise compiled to `dist/schema/index.js`.
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That `modules/<module-id>` directory is where a module is **developed**. An installation never runs
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it from there: Ekklesia's image contains no modules, and an installation installs a self-contained
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copy of the module into its module storage
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([An installed module is self-contained](../../docs/module-development/README.md#an-installed-module-is-self-contained),
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ADR 0048). Copying `dist/` alone is not enough, because the compiled server code imports the Module
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SDK and Drizzle by name. After building, package the module with the canonical packager, which
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bundles the backend into one deterministic Ekklesia Module Package (ADR 0049):
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```bash
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pnpm modules:pack --module templates/module --target any --out <directory> \
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--source-revision "$(git rev-parse HEAD)"
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```
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The module owns its feature screens and display renderer. Do not add platform navigation, the
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containing shell, global theme, authentication screens, or top-level routing; those belong to
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surfaces and Core. A module UI asks its host for relative API paths and realtime state, and never
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hardcodes Ekklesia routes. The display permission is enforced by the host before it serves the page
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or descriptor; `context.permissions` remains a presentation-only hint.
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Keep imports side-effect-free, register capabilities in `register`, acquire resources in `start`,
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and release them in `stop`. Never construct a Drizzle instance, read `DATABASE_URL`, or reach for a
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raw `pg` client — `context.services.database` is the only supported way to query this module's own
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tables, and it is never available during `register`.
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The migration directory uses the pinned stable Drizzle Kit `0.31.10` PostgreSQL journal and
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snapshot format. Migrations are forward-only and may modify only this module's objects. Offline
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validation treats SQL as opaque bytes, calculates SHA-256 from the exact contents, and never opens a
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database or executes SQL. Destructive declarations are review metadata, not automatic SQL
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classification or approval.
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## License
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The template's `package.json` declares `"license": "AGPL-3.0-or-later"`, the license of Ekklesia
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and of official Ekklesia modules (see the repository [README](../../README.md#license) and
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[LICENSE](../../LICENSE)). A module started from the template begins with that declaration; an
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official Ekklesia module keeps it.
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