fix(session): activate bootstrapped channel runtime

Author: gakonst

src/tempo/session/client/SessionManager.test.ts

@@ -403,7 +403,11 @@ describe('Session', () => {
           ? Credential.deserialize<SessionCredentialPayload>(authorization).payload
           : undefined
         if (payload) posted.push(payload)
-        if (!payload) return Promise.resolve(make402Response())
+        if (!payload) {
+          expect(s.channelId).toBe(storedChannelId)
+          expect(s.cumulative).toBe(1_000_000n)
+          return Promise.resolve(make402Response())
+        }
         return Promise.resolve(makeOkResponse())
       })
       const s = sessionManager({

src/tempo/session/client/SessionManager.ts

@@ -376,9 +376,11 @@ export function sessionManager(parameters: sessionManager.Parameters): SessionMa
           kind: 'authorizePaymentChannel',
         },
       })) ?? defaultAccount
-    const { entry } = await hydrateSessionSnapshot({ account, client, snapshot })
+    const { entry, spent } = await hydrateSessionSnapshot({ account, client, snapshot })
     assertVoucherWithinLocalLimit(entry.cumulativeAmount)
     await Promise.resolve(store.set(entry)).catch(() => undefined)
+    runtime.channel = entry
+    runtime.spent = spent
     return entry
   }