React migration setup

Use this checkpoint only when adopting ReactStore into an existing app. For a new app or an unresolved family choice, start with Store-family decision gate and Installation workflow. Runtime bootstrap mechanics belong to ../../component-integration/SKILL.md.

Adoption checkpoint

Before migrating the first state owner, record the existing or newly configured app runtime and the evidence for each checkpoint:

Migration checkpoint	Canonical implementation
Package installed, public imports used rather than copied source	Installation workflow and Correct import and class choice
One app-owned store and reducer map, with no package-internal registrations	Create and configure ReactStore
Migrated selector users cannot render before initialization	Initialize before React renders selector users
The same bootstrap, test, or mount adapter owns cleanup, not a child effect	Dispose at the same owner boundary
Migrated sagas start explicitly after initialization and have a cancellation owner	Start app sagas explicitly

Reuse an existing configured store rather than introducing a second runtime. If no slice has migrated yet, its initial app-owned reducer map can be empty; add reducers as their owners migrate using the linked configuration procedure.

Add slices incrementally

Migrate one inventoried owner at a time. Follow Setup — slice directory layout for slice types, actions/reducers, selectors, sagas, and tests rather than copying a second layout here. Register the migrated reducer and start its saga through the same runtime owner recorded in the checkpoint above.

Verification cues

• Record the configured store module, bootstrap/mount owner, teardown path, and migrated reducer/saga registrations; verify each against its canonical section above.
• Continue to ../writable-stores/SKILL.md only after this checkpoint is satisfied.