spec(AST-094): only a gesture's motion springs; other motion plays the theme's tokens

docs/architecture/react-component-runtime.md

@@ -321,8 +321,7 @@ those contracts.
   lockstep with Core, and limited by lint to Core and Lab (`spec:AST-017`
   FR21).
 - **INV15 — The animator animates a number.** The animator has a value mode:
-  it plays a number, such as a count or a chart value, on the same springs and
-  motion roles as its property channels, and hands the value to an `onUpdate`
+  it plays a number, such as a count or a chart value, on the same timing as its property channels: theme motion tokens for a program-started change, and measured springs only where `spec:AST-094` FR45 keeps them, and hands the value to an `onUpdate`
   callback each frame for the component to format and write. The component owns
   the change size past which it swaps to the new value instead of counting, so
   a jump from twelve to over a million does not spin. Under reduced motion the
@@ -514,6 +513,6 @@ component suite is not blanket conformance with every invariant.
 | INV11                 | Source boundary check plus hook tests across StrictMode replay and unmount                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | A second keyboard listener or measurement in Core; a consumer reading a CSS custom property on the root or a shared ancestor for the height; an export of the hook; a component outside Core measuring by a rule other than AST-099 FR2, or riding the keyboard; a listener left after unmount; a translate left on an app element after the keyboard hides once focus has left the field, or after the field unmounts; any other write on an app element; a translate on a container whose layout box is not at the bottom edge, that fills the viewport, or whose own `translate` is not `none`; a translate on a container whose position the app is animating with CSS when the module measures; on a docked container too tall to fit above the keyboard once moved (a full-height side drawer, a pane below a fixed header), a translate when a scroller holds the field or one larger than the focused field needs to clear the keyboard; a translate measured before the page's own keyboard listeners run; a covered field deciding its keyboard behavior in an Effect that reacts to focus; a Core rider driven by JavaScript per frame or by its own transition; or more than one layout read per keyboard change beyond the docked bar's one read INV11 names |
 | INV12                 | Source boundary check plus real-browser tests on a throttled phone profile over a 10-level by 50-sibling tree and two changes in one frame                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | A per-frame height or layout, a walk past the area or into a subtree other than `display: contents`, an element moved twice for one frame, an added element other than a swap's one transient copy, that copy left after the swap ends, or an exported reporting function fails                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
 | INV13                 | Source boundary check plus bundle analysis of a page with several touch components, and real-browser tests on a throttled phone profile, under a fine pointer, and on a hybrid device                                                                                                                                                                                                                                                                                                                                                                                                                                          | A second copy of a touch module on one page, a component bundling its own copy of a module's primitive, an `import()` of a module in a component other than `Item`'s released loader for its deprecated swipe props, a swipe module (the gesture core, the animator, the panels' rendering, the row's gesture code) imported by `Item` or `ListItem`, swipe code in `Item` other than its deprecated path (that loader, the released row style, the role gate, the `commit` warning, the bridge, the click guard, the event forwarders, and the coexistence diagnostic), or any of it outside the deprecated path, a public export or doc entry for the modules, an install call or installed check in the public API, a gesture listener in a component that uses no gesture, or an idle document listener outside a press other than the one shared press controller and the one stray-click swallower, an import of `@astryxdesign/core/internal/*` outside Core and Lab, a class outside the recognizer family, an `instanceof` check on a recognizer, an internal factory with a public factory's name, or a direct module import for a job the public layer covers fails                                                                                            |
-| INV15                 | Unit tests of the animator's value mode and real-browser proofs of its adopters                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | A value off its motion role, a count past the component's swap size, a count or cross-fade under reduced motion with a coarse or a fine pointer, an intermediate value announced, or a public export fails                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
+| INV15                 | Unit tests of the animator's value mode and real-browser proofs of its adopters                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | A value off its channels' timing (the theme's tokens for a program-started change, a spring only where `spec:AST-094` FR45 keeps one), a count past the component's swap size, a count or cross-fade under reduced motion with a coarse or a fine pointer, an intermediate value announced, or a public export fails                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
 | INV16                 | Review of each Core component that handles a concern Core owns in a shared hook or utility                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | A Core component that keeps its own effect, listener, or tracker for that concern fails, whether or not it also calls the hook or utility                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
 | INV16 (slot presence) | `no-nullish-jsx-guard` strict lint over Core and RichText, with no baseline, and `no-truthy-jsx-guard` strict lint over Core, with no baseline; both catch inline guards only, so review also checks for a presence test hoisted into a variable, converted (`!!value`, `Boolean(value)`), made by an early return or a `??` default, or passed through a prop spread, which the lints pass; empty-slot tests that pass `''`, `false`, `true`, and `null` and compare with an omitted slot, plus `0` as content, in Item, MetadataList, ChatSystemMessage, TreeList, TopNavMegaMenu, RichTextEditor, and RichTextEditorToolbar | A slot given `''`, `true`, or `false` draws a wrapper, lane, border, or separator that an omitted slot does not, an element loses the name it has without the slot, `0` does not render, or a new bare nullish or truthiness presence test, inline or hoisted, a truthiness guard past the baseline, a baseline entry added, or a hand-written copy of the check lands                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |