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agentic-dev/docs/work/2026-05-13-binder-wrap-helper/03-update-generator-templates/_story.md
Danijel Martinek 317ec518aa docs(work): re-decompose binder-wrap-helper into vertical-slice stories 
Re-decomposes the approved binder-wrap-helper PRD after the previous
8-story attempt (dropped in 71c04f5) sliced horizontally — its
"write test" / "write impl" splits would have left intermediate
commits red. The new shape obeys slice = task = PR = commit:

- 01-wire-use-case-helper — 1 task: ship the wireUseCase helper
  (factory composition + container bind + brand stack) with its
  unit tests and barrel export in one green commit. Blocks 02 + 03.
- 02-migrate-feature-binders — 5 tasks, one per feature
  (auth, blog, media, marketing-pages, navigation). Each task
  migrates that feature's bind-production.ts + bind-dev-seed.ts
  together and keeps all gates green.
- 03-update-generator-templates — 1 task: update the feature
  generator's bind-*.hbs so future scaffolds emit wireUseCase
  directly instead of inline withSpan + withCapture.

Output of the now-fixed sandcastle decompose dispatch — depends on
the completionSignal + maxIterations wiring (eadbb7e, 26aa97f).
2026-05-13 19:17:10 +02:00

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id, epic, title, type, status, feature, depends-on, blocks
id epic title type status feature depends-on blocks
03-update-generator-templates 2026-05-13-binder-wrap-helper Update feature generator templates to emit wireUseCase call shape technical-story todo core-shared
01-wire-use-case-helper

Goal

Update turbo/generators/templates/feature/src/di/bind-production.ts.hbs and bind-dev-seed.ts.hbs so that pnpm turbo gen feature scaffolds new features with wireUseCase calls instead of the longhand inline withSpan + withCapture form.

Why

New features scaffolded after the migration would otherwise drift back to the inline form, re-introducing the clone group. The generator is the canonical source for scaffolded binder shape; updating it closes the loop.

Done when

  • turbo/generators/templates/feature/src/di/bind-production.ts.hbs emits wireUseCase(...) calls (not inline withSpan + withCapture) for the placeholder use case.
  • turbo/generators/templates/feature/src/di/bind-dev-seed.ts.hbs emits wireUseCase(...) calls for the placeholder use case.
  • Running pnpm turbo gen feature testfeature produces binder files that call wireUseCase and pass pnpm typecheck && pnpm lint && pnpm test && pnpm conformance && pnpm fallow:audit && pnpm coverage:diff (or the generated feature is cleaned up after verification).

In scope

  • turbo/generators/templates/feature/src/di/bind-production.ts.hbs
  • turbo/generators/templates/feature/src/di/bind-dev-seed.ts.hbs
  • Any supporting type imports in the templates that change as a result (e.g. dropping ProductionUseCase intermediate type if the helper absorbs it).

Out of scope

  • Generator templates for events, jobs, realtime, or core-packages — those do not produce binder files with use-case wrapping.
  • Runtime behaviour changes — the generated output must be semantically equivalent to the old inline form.

Tasks

  • Update bind-production.ts.hbs and bind-dev-seed.ts.hbs in turbo/generators/templates/feature/src/di/ to emit wireUseCase calls; verify a test-scaffold of a new feature produces correct binder output and all gates pass on this commit.