[mcp] Prompt improvements for smarter tool composition (#33108)

Our runtime results are still bogus, but so far this tweak let's the llm
use the tools a little more intelligently.

example:
---

```js
import React from 'react';

function App() {
  const [count, setCount] = React.useState(0);
  const [data, setData] = React.useState([]);

  React.useEffect(() => {
    const processData = () => {
      console.log("Processing data...");
      const newData = [];
      for (let i = 0; i < 1000000000; i++) {
        newData.push({ id: i, value: Math.random() * count });
      }
      return newData;
    };

    const processedData = processData();
    setData(processedData);
  }, [count]);

  return (
    <div>
      <p>Count: {count}</p>
      <p>Data Length: {data.length}</p>
      <ul>
        {data.slice(0, 5).map((item) => (
          <li key={item.id}>Item {item.id}: {item.value.toFixed(2)}</li>
        ))}
      </ul>
    </div>
  );
};
```
why is this component slow? use the react tools to figure this out.

> I'll analyze why this component is slow using the React tools. Let's
first evaluate the performance of the original code.
>
[review-react-runtime ...]
>
> The performance measurement tool timed out, which is a strong
indication of just how severe the performance issue is in this
component. Let's now try to compile the code to see if React Compiler
can identify any issues:
>
[compile...]
>
> Now I understand the issue. Let's analyze why this component > is
extremely slow:
> Main Performance Issues:
>
> Massive Data Processing: The component is trying to create an array
with a billion (1,000,000,000) objects in the processData function. This
is an enormous amount of data that will:
>
> Consume massive amounts of memory
> Take an extremely long time to process
> Likely crash the browser
>
>
> Unnecessary Recalculation: The effect depends on [count], meaning
every time the count changes, it will reprocess this enormous dataset.
> Inefficient Data Handling: Even though only 5 items are displayed, the
component processes a billion items.
>
> Let's fix these issues:
>
[compile...]
>
> Now let's check if our modified code performs better:
>
[review-react-runtime...]
>
> Excellent! The performance has dramatically improved. Now let's check
the React documentation to make sure we're following the best practices:
>
[query-react-dev-docs...]

(hit the maximum length conversation limit because i'm on a free plan)

DiffTrain build for [26ecc98](26ecc98)

Author: poteto

compiled-rn/VERSION_NATIVE_FB

@@ -1 +1 @@
-19.2.0-native-fb-f0ca53d1-20250502
+19.2.0-native-fb-26ecc98a-20250502

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/eslint-plugin-react-hooks/package.json

@@ -1,7 +1,7 @@
 {
   "name": "eslint-plugin-react-hooks",
   "description": "ESLint rules for React Hooks",
-  "version": "0.0.0-experimental-f0ca53d1-20250502",
+  "version": "0.0.0-experimental-26ecc98a-20250502",
   "repository": {
     "type": "git",
     "url": "https://github.com/facebook/react.git",

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/react-dom/cjs/ReactDOM-dev.js

@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<c797a136e3fee15e504bb8383f4979e3>>
+ * @generated SignedSource<<dd23247ca2a8fc79fb927f144e466409>>
  */
 
 "use strict";
@@ -404,5 +404,5 @@ __DEV__ &&
     exports.useFormStatus = function () {
       return resolveDispatcher().useHostTransitionStatus();
     };
-    exports.version = "19.2.0-native-fb-f0ca53d1-20250502";
+    exports.version = "19.2.0-native-fb-26ecc98a-20250502";
   })();

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/react-dom/cjs/ReactDOM-prod.js

@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<aa9b6c82e55872f976a41c050f6e1f16>>
+ * @generated SignedSource<<4911436356c338f9fc2f5cfa3ecf6be0>>
  */
 
 "use strict";
@@ -203,4 +203,4 @@ exports.useFormState = function (action, initialState, permalink) {
 exports.useFormStatus = function () {
   return ReactSharedInternals.H.useHostTransitionStatus();
 };
-exports.version = "19.2.0-native-fb-f0ca53d1-20250502";
+exports.version = "19.2.0-native-fb-26ecc98a-20250502";

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/react-dom/cjs/ReactDOM-profiling.js

@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<aa9b6c82e55872f976a41c050f6e1f16>>
+ * @generated SignedSource<<4911436356c338f9fc2f5cfa3ecf6be0>>
  */
 
 "use strict";
@@ -203,4 +203,4 @@ exports.useFormState = function (action, initialState, permalink) {
 exports.useFormStatus = function () {
   return ReactSharedInternals.H.useHostTransitionStatus();
 };
-exports.version = "19.2.0-native-fb-f0ca53d1-20250502";
+exports.version = "19.2.0-native-fb-26ecc98a-20250502";

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/react-dom/cjs/ReactDOMClient-dev.js

@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<d5848ef1081f9c346d96b5595a143637>>
+ * @generated SignedSource<<361bc98a77546ba6b5d08836651cd6ba>>
  */
 
 /*
@@ -26650,11 +26650,11 @@ __DEV__ &&
     };
     (function () {
       var isomorphicReactPackageVersion = React.version;
-      if ("19.2.0-native-fb-f0ca53d1-20250502" !== isomorphicReactPackageVersion)
+      if ("19.2.0-native-fb-26ecc98a-20250502" !== isomorphicReactPackageVersion)
         throw Error(
           'Incompatible React versions: The "react" and "react-dom" packages must have the exact same version. Instead got:\n  - react:      ' +
             (isomorphicReactPackageVersion +
-              "\n  - react-dom:  19.2.0-native-fb-f0ca53d1-20250502\nLearn more: https://react.dev/warnings/version-mismatch")
+              "\n  - react-dom:  19.2.0-native-fb-26ecc98a-20250502\nLearn more: https://react.dev/warnings/version-mismatch")
         );
     })();
     ("function" === typeof Map &&
@@ -26691,10 +26691,10 @@ __DEV__ &&
       !(function () {
         var internals = {
           bundleType: 1,
-          version: "19.2.0-native-fb-f0ca53d1-20250502",
+          version: "19.2.0-native-fb-26ecc98a-20250502",
           rendererPackageName: "react-dom",
           currentDispatcherRef: ReactSharedInternals,
-          reconcilerVersion: "19.2.0-native-fb-f0ca53d1-20250502"
+          reconcilerVersion: "19.2.0-native-fb-26ecc98a-20250502"
         };
         internals.overrideHookState = overrideHookState;
         internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -26838,5 +26838,5 @@ __DEV__ &&
       listenToAllSupportedEvents(container);
       return new ReactDOMHydrationRoot(initialChildren);
     };
-    exports.version = "19.2.0-native-fb-f0ca53d1-20250502";
+    exports.version = "19.2.0-native-fb-26ecc98a-20250502";
   })();

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/react-dom/cjs/ReactDOMClient-prod.js

@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<245d2735c97f65c0ed9147f51b9d1381>>
+ * @generated SignedSource<<c424a5ae1384bb4aec5837691e711f62>>
  */
 
 /*
@@ -16748,14 +16748,14 @@ ReactDOMHydrationRoot.prototype.unstable_scheduleHydration = function (target) {
 };
 var isomorphicReactPackageVersion$jscomp$inline_1904 = React.version;
 if (
-  "19.2.0-native-fb-f0ca53d1-20250502" !==
+  "19.2.0-native-fb-26ecc98a-20250502" !==
   isomorphicReactPackageVersion$jscomp$inline_1904
 )
   throw Error(
     formatProdErrorMessage(
       527,
       isomorphicReactPackageVersion$jscomp$inline_1904,
-      "19.2.0-native-fb-f0ca53d1-20250502"
+      "19.2.0-native-fb-26ecc98a-20250502"
     )
   );
 ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
@@ -16777,10 +16777,10 @@ ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
 };
 var internals$jscomp$inline_2388 = {
   bundleType: 0,
-  version: "19.2.0-native-fb-f0ca53d1-20250502",
+  version: "19.2.0-native-fb-26ecc98a-20250502",
   rendererPackageName: "react-dom",
   currentDispatcherRef: ReactSharedInternals,
-  reconcilerVersion: "19.2.0-native-fb-f0ca53d1-20250502"
+  reconcilerVersion: "19.2.0-native-fb-26ecc98a-20250502"
 };
 if ("undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) {
   var hook$jscomp$inline_2389 = __REACT_DEVTOOLS_GLOBAL_HOOK__;
@@ -16884,4 +16884,4 @@ exports.hydrateRoot = function (container, initialChildren, options) {
   listenToAllSupportedEvents(container);
   return new ReactDOMHydrationRoot(initialChildren);
 };
-exports.version = "19.2.0-native-fb-f0ca53d1-20250502";
+exports.version = "19.2.0-native-fb-26ecc98a-20250502";

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/react-dom/cjs/ReactDOMClient-profiling.js

@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<e825b3b5479d45b99afd6a4444c72862>>
+ * @generated SignedSource<<f66fa6039614d249bf24704ffbcc6da0>>
  */
 
 /*
@@ -17457,14 +17457,14 @@ ReactDOMHydrationRoot.prototype.unstable_scheduleHydration = function (target) {
 };
 var isomorphicReactPackageVersion$jscomp$inline_2007 = React.version;
 if (
-  "19.2.0-native-fb-f0ca53d1-20250502" !==
+  "19.2.0-native-fb-26ecc98a-20250502" !==
   isomorphicReactPackageVersion$jscomp$inline_2007
 )
   throw Error(
     formatProdErrorMessage(
       527,
       isomorphicReactPackageVersion$jscomp$inline_2007,
-      "19.2.0-native-fb-f0ca53d1-20250502"
+      "19.2.0-native-fb-26ecc98a-20250502"
     )
   );
 ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
@@ -17486,10 +17486,10 @@ ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
 };
 var internals$jscomp$inline_2014 = {
   bundleType: 0,
-  version: "19.2.0-native-fb-f0ca53d1-20250502",
+  version: "19.2.0-native-fb-26ecc98a-20250502",
   rendererPackageName: "react-dom",
   currentDispatcherRef: ReactSharedInternals,
-  reconcilerVersion: "19.2.0-native-fb-f0ca53d1-20250502",
+  reconcilerVersion: "19.2.0-native-fb-26ecc98a-20250502",
   getLaneLabelMap: function () {
     for (
       var map = new Map(), lane = 1, index$305 = 0;
@@ -17608,4 +17608,4 @@ exports.hydrateRoot = function (container, initialChildren, options) {
   listenToAllSupportedEvents(container);
   return new ReactDOMHydrationRoot(initialChildren);
 };
-exports.version = "19.2.0-native-fb-f0ca53d1-20250502";
+exports.version = "19.2.0-native-fb-26ecc98a-20250502";

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/react-dom/cjs/ReactDOMProfiling-dev.js

@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<a04832d4b206d42f8222902aae7a114b>>
+ * @generated SignedSource<<278571ab231c4c458f9857ea08c76e38>>
  */
 
 /*
@@ -26711,11 +26711,11 @@ __DEV__ &&
     };
     (function () {
       var isomorphicReactPackageVersion = React.version;
-      if ("19.2.0-native-fb-f0ca53d1-20250502" !== isomorphicReactPackageVersion)
+      if ("19.2.0-native-fb-26ecc98a-20250502" !== isomorphicReactPackageVersion)
         throw Error(
           'Incompatible React versions: The "react" and "react-dom" packages must have the exact same version. Instead got:\n  - react:      ' +
             (isomorphicReactPackageVersion +
-              "\n  - react-dom:  19.2.0-native-fb-f0ca53d1-20250502\nLearn more: https://react.dev/warnings/version-mismatch")
+              "\n  - react-dom:  19.2.0-native-fb-26ecc98a-20250502\nLearn more: https://react.dev/warnings/version-mismatch")
         );
     })();
     ("function" === typeof Map &&
@@ -26752,10 +26752,10 @@ __DEV__ &&
       !(function () {
         var internals = {
           bundleType: 1,
-          version: "19.2.0-native-fb-f0ca53d1-20250502",
+          version: "19.2.0-native-fb-26ecc98a-20250502",
           rendererPackageName: "react-dom",
           currentDispatcherRef: ReactSharedInternals,
-          reconcilerVersion: "19.2.0-native-fb-f0ca53d1-20250502"
+          reconcilerVersion: "19.2.0-native-fb-26ecc98a-20250502"
         };
         internals.overrideHookState = overrideHookState;
         internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -27215,7 +27215,7 @@ __DEV__ &&
     exports.useFormStatus = function () {
       return resolveDispatcher().useHostTransitionStatus();
     };
-    exports.version = "19.2.0-native-fb-f0ca53d1-20250502";
+    exports.version = "19.2.0-native-fb-26ecc98a-20250502";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/react-dom/cjs/ReactDOMProfiling-prod.js

@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<0640a81fad9f0bf95b0210b32baafdc2>>
+ * @generated SignedSource<<f9afdcf5c775cbb68965dbba0476cc33>>
  */
 
 /*
@@ -16759,14 +16759,14 @@ ReactDOMHydrationRoot.prototype.unstable_scheduleHydration = function (target) {
 };
 var isomorphicReactPackageVersion$jscomp$inline_1905 = React.version;
 if (
-  "19.2.0-native-fb-f0ca53d1-20250502" !==
+  "19.2.0-native-fb-26ecc98a-20250502" !==
   isomorphicReactPackageVersion$jscomp$inline_1905
 )
   throw Error(
     formatProdErrorMessage(
       527,
       isomorphicReactPackageVersion$jscomp$inline_1905,
-      "19.2.0-native-fb-f0ca53d1-20250502"
+      "19.2.0-native-fb-26ecc98a-20250502"
     )
   );
 ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
@@ -16788,10 +16788,10 @@ ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
 };
 var internals$jscomp$inline_2391 = {
   bundleType: 0,
-  version: "19.2.0-native-fb-f0ca53d1-20250502",
+  version: "19.2.0-native-fb-26ecc98a-20250502",
   rendererPackageName: "react-dom",
   currentDispatcherRef: ReactSharedInternals,
-  reconcilerVersion: "19.2.0-native-fb-f0ca53d1-20250502"
+  reconcilerVersion: "19.2.0-native-fb-26ecc98a-20250502"
 };
 if ("undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) {
   var hook$jscomp$inline_2392 = __REACT_DEVTOOLS_GLOBAL_HOOK__;
@@ -17049,4 +17049,4 @@ exports.useFormState = function (action, initialState, permalink) {
 exports.useFormStatus = function () {
   return ReactSharedInternals.H.useHostTransitionStatus();
 };
-exports.version = "19.2.0-native-fb-f0ca53d1-20250502";
+exports.version = "19.2.0-native-fb-26ecc98a-20250502";