WORK-471
ID:WORK-471Status:ready

Attribute-triggered behavior dispatch path

Add a behavior dispatch path that mounts a behavior by attribute selector ([data-layout="carousel"]) independent of rune identity. This is the linchpin that makes carousel adoption config-only. Per SPEC-100 Design notes.

Priority:highComplexity:moderateMilestone:v0.26.0Source:SPEC-100
claude/v0.26.0-milestone-2vuxi9 View source

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Implements 1
Related 1
Branches 3
claude/v0.26.0-milestone-2vuxi9 current ready
main donechangeset-release/main doneclaude/spec-100-carousel-layout-mode done
History 1
  1. 17d2678
    Created (ready)by bjornolofandersson

Scope

  • Today's dispatch (packages/behaviors/src/index.ts) is a data-rune-keyed map; the only non-rune paths are the special-cased data-reveal scan and the data-layout-behaviors scan. Nothing binds on an arbitrary attribute like [data-layout="carousel"].
  • Add a new attribute-triggered dispatch path: applyBehaviors also scans [data-layout="carousel"] and mounts the shared carousel behavior once per host, regardless of the host's data-rune. Honour normal cleanup/teardown semantics.
  • This item delivers the dispatch mechanism + its registration seam; lifting the carousel behavior body out of gallery is a separate, dependent work item. Avoid double-mounting when a rune also has a data-rune behavior (e.g. gallery).

Acceptance Criteria

  • applyBehaviors mounts the carousel behavior on every [data-layout="carousel"] host independent of data-rune; adoption needs no per-rune behavior registration.
  • A host that also has a data-rune behavior (e.g. gallery) does not double-mount; cleanup tears down correctly.
  • The new path is covered by a behavior test.

Dependencies

None hard — behaviors-layer infrastructure; the carousel behavior body this dispatches is lifted by a separate, dependent item.

References

  • Spec: SPEC-100 Design notes (the dispatch path is new plumbing, not a selector swap).
  • packages/behaviors/src/index.ts (applyBehaviors, the data-rune map, the data-reveal/data-layout-behaviors scans).