feat: add Bip122AccountChangedNotifications to KnownSessionProperties (#7537)

## Explanation

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Add Bitcoin accountChanged event support, following the previous work
done for Solana and Tron.



## References

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Related to #7304

## Checklist

- [ ] I've updated the test suite for new or updated code as appropriate
- [ ] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [ ] I've communicated my changes to consumers by [updating changelogs
for packages I've
changed](https://github.com/MetaMask/core/tree/main/docs/contributing.md#updating-changelogs)
- [ ] I've introduced [breaking
changes](https://github.com/MetaMask/core/tree/main/docs/breaking-changes.md)
in this PR and have prepared draft pull requests for clients and
consumer packages to resolve them

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Adds `Bip122AccountChangedNotifications` to `KnownSessionProperties`
and updates tests and changelog accordingly.
> 
> - **chain-agnostic-permission**:
> - **KnownSessionProperties**: Add `Bip122AccountChangedNotifications`
(`bip122_accountChanged_notifications`) in `src/scope/constants.ts`.
> - **Tests**: Update snapshots and validations to include Bip122 (and
assert Tron) in `constants.test.ts` and `supported.test.ts`
(`isKnownSessionPropertyValue`, `isSupportedSessionProperty`).
>   - **Changelog**: Document new session property under Unreleased.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
850e228. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: baptiste-marchand

packages/chain-agnostic-permission/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add `Bip122AccountChangedNotifications` property in `KnownSessionProperties` enum ([#7537](https://github.com/MetaMask/core/pull/7537))
+
 ### Changed
 
 - Bump `@metamask/network-controller` from `^27.0.0` to `^27.1.0` ([#7534](https://github.com/MetaMask/core/pull/7534))

packages/chain-agnostic-permission/src/scope/constants.test.ts

@@ -64,6 +64,7 @@ describe('KnownSessionProperties', () => {
   it('should match the snapshot', () => {
     expect(KnownSessionProperties).toMatchInlineSnapshot(`
       Object {
+        "Bip122AccountChangedNotifications": "bip122_accountChanged_notifications",
         "SolanaAccountChangedNotifications": "solana_accountChanged_notifications",
         "TronAccountChangedNotifications": "tron_accountChanged_notifications",
       }
@@ -76,6 +77,12 @@ describe('isKnownSessionPropertyValue', () => {
     expect(
       isKnownSessionPropertyValue('solana_accountChanged_notifications'),
     ).toBe(true);
+    expect(
+      isKnownSessionPropertyValue('tron_accountChanged_notifications'),
+    ).toBe(true);
+    expect(
+      isKnownSessionPropertyValue('bip122_accountChanged_notifications'),
+    ).toBe(true);
   });
   it('should return false for unknown session property values', () => {
     expect(isKnownSessionPropertyValue('unknown_session_property')).toBe(false);

packages/chain-agnostic-permission/src/scope/constants.ts

@@ -100,6 +100,7 @@ export const KnownNotifications: Record<NonWalletKnownCaipNamespace, string[]> =
 export enum KnownSessionProperties {
   SolanaAccountChangedNotifications = 'solana_accountChanged_notifications',
   TronAccountChangedNotifications = 'tron_accountChanged_notifications',
+  Bip122AccountChangedNotifications = 'bip122_accountChanged_notifications',
 }
 
 /**

packages/chain-agnostic-permission/src/scope/supported.test.ts

@@ -500,6 +500,16 @@ describe('Scope Support', () => {
           KnownSessionProperties.SolanaAccountChangedNotifications,
         ),
       ).toBe(true);
+      expect(
+        isSupportedSessionProperty(
+          KnownSessionProperties.TronAccountChangedNotifications,
+        ),
+      ).toBe(true);
+      expect(
+        isSupportedSessionProperty(
+          KnownSessionProperties.Bip122AccountChangedNotifications,
+        ),
+      ).toBe(true);
     });
 
     it('returns false for the session property', () => {