Update docs

packages/docs/docs/forms.md

@@ -52,6 +52,14 @@ valid decoded value should go:
 | `MutationForm` | Yes | It is passed to a mutation when `submit` runs. |
 | `LensForm` | Yes | It is written automatically to a target `Lens`. |
 
+## Create forms once
+
+`MutationForm.service` and `LensForm.service` are Effect constructors, not
+hooks. Create each root form once and keep it stable. For a component-owned
+form, call the constructor inside `Component.useOnMount`; for a form shared by
+multiple components, create it in an Effect service. Update the existing form's
+Lenses rather than reconstructing the form during render.
+
 ## MutationForm: validate, then submit
 
 Use `MutationForm` for registration, checkout, search, and other workflows with
@@ -102,9 +110,9 @@ mutation receives the schema's decoded profile, so `profile.age` is a number.
 Schema transformations happen before the mutation and schema issues prevent an
 invalid draft from being submitted.
 
-`MutationForm.service` also starts initial validation in the current scope. Use
-it inside `Component.useOnMount`, a scoped service, or another Effect scope so
-its validation and mutation work is cleaned up with its owner.
+`MutationForm.service` also starts initial validation in the current scope. In
+the example above, `Component.useOnMount` keeps that validation and the form's
+mutation work tied to the component that owns them.
 
 ## LensForm: validate, then synchronize
 

packages/docs/docs/getting-started.md

@@ -295,24 +295,25 @@ const ResourceView = Component.make("Resource")(function* () {
 with the context already available in the component body, so the resource above
 is owned by the component's root scope.
 
-`useOnChange`, `useReactEffect`, and `useReactLayoutEffect` each create a scope
-that can be replaced without closing the component root scope.
+`useOnChange`, `useReactEffect`, and `useReactLayoutEffect` each manage their
+own resources. When their dependencies change, those resources are cleaned up
+and recreated while the rest of the component remains active.
 
 The main lifecycle choices are:
 
 | Hook | What it does | Scope seen by setup | Scope closes when |
 | --- | --- | --- | --- |
 | Component body | Produces the component's rendered value | Component root scope | The component unmounts |
-| `useOnMount` | Computes and caches a value for the component instance | The same component root scope | The component unmounts |
+| `useOnMount` | Computes and caches a value for the component instance | Component root scope | The component unmounts |
 | `useOnChange` | Recomputes a cached value when dependencies change | A new dependency scope | Dependencies change or the component unmounts |
 | `useReactEffect` | Runs a post-commit side effect | A new effect scope | Dependencies change or the component unmounts |
 | `useReactLayoutEffect` | Runs a layout effect before the browser paints | A new layout-effect scope | Dependencies change or the component unmounts |
-| `useLayer` | Builds and provides a layer context | A dependency scope created through `useOnChange` | The layer reference changes or the component unmounts |
+| `useLayer` | Builds and provides a layer context | A new scope tied to the current layer reference | The layer reference changes or the component unmounts |
 
-`useRunSync`, `useRunPromise`, `useCallbackSync`, and `useCallbackPromise` do
-not create lifecycle scopes either. They capture the component context, so an
-Effect invoked through them sees the component root scope unless it explicitly
-provides another one.
+`useRunSync` and `useRunPromise` do not create a new scope. The runner they
+return includes the component root scope in its context by default.
+`useCallbackSync` and `useCallbackPromise` similarly capture the component
+context required by their Effect.
 
 ### useOnMount
 
@@ -410,6 +411,21 @@ Use `Component.useRunSync` only for Effects known to complete synchronously.
 Use `Component.useRunPromise` for Effects that may suspend, sleep, fetch, or
 otherwise continue asynchronously.
 
+Both runners provide `Scope.Scope` by default, so they can run scoped Effects
+without a type argument. When an Effect also requires application services,
+declare the complete runner context explicitly:
+
+```tsx
+import { Scope } from "effect"
+
+const runPromise = yield* Component.useRunPromise<
+  Scope.Scope | UserRepository
+>()
+```
+
+The resulting runner accepts Effects that require the component scope,
+`UserRepository`, or both.
+
 When a callback is passed to a memoized child or used as a dependency, use the
 callback variants to preserve its identity:
 

packages/docs/docs/mutation.md

@@ -30,6 +30,11 @@ Create a mutation in a component scope with `Mutation.make`. Its function can
 be any Effect, including one that requires services from the application
 runtime:
 
+`Mutation.make` is an Effect constructor, not a hook. Create each mutation
+instance once and keep it stable instead of calling `Mutation.make` again on
+every render. Use `Component.useOnMount` for a component-owned mutation or
+create it in an Effect service when it should be shared.
+
 ```tsx
 import { Effect } from "effect"
 import { AsyncResult } from "effect/unstable/reactivity"

packages/docs/docs/query.md

@@ -35,7 +35,6 @@ application runtime once, alongside the services used by your query effects:
 
 ```tsx title="src/runtime.ts"
 import { Layer } from "effect"
-import { FetchHttpClient } from "effect/unstable/http"
 import { QueryClient, ReactRuntime } from "effect-view"
 
 const AppLive = Layer.empty.pipe(
@@ -44,7 +43,6 @@ const AppLive = Layer.empty.pipe(
     defaultRefreshOnWindowFocus: true,
     cacheGcTime: "5 minutes",
   })),
-  Layer.provideMerge(FetchHttpClient.layer),
 )
 
 export const runtime = ReactRuntime.make(AppLive)
@@ -60,6 +58,12 @@ A query is driven by a `View` rather than by a value read during one React
 render. Whenever that key changes, `Query.service` checks the cache and starts
 the query effect when necessary.
 
+`Query.service` is an Effect constructor, not a hook. Create each query instance
+once and keep it stable. In a component, the usual place is
+`Component.useOnMount`; a query shared by multiple components can instead be
+owned by an Effect service. Change the existing query's reactive key rather
+than reconstructing the query during render.
+
 ```tsx
 import { Effect, Schema, SubscriptionRef } from "effect"
 import { HttpClient } from "effect/unstable/http"
@@ -118,9 +122,9 @@ Effect equality by default, so structurally equal Effect data types work well
 as query keys. Supply `keyEquivalence` when the key needs different equality
 semantics.
 
-`Query.service` creates the query and starts watching its key in the current
-scope. Creating it in `Component.useOnMount` keeps one query instance—and one
-stable query function identity—for the component's lifetime.
+`Query.service` starts watching its key in the current scope. The
+`Component.useOnMount` call above keeps both the query instance and its query
+function identity stable for the component's lifetime.
 
 ## Render AsyncResult