Remove broker session rest

Reverts 062ec07 and 5eb0ea7: every firm's broker session stays logged in
around the clock again, renewing its token on the fixed timer as before.
The tree is back to 6dd2528's. A session_rest row left in settings is
unused.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/api/state/route.ts

@@ -1,6 +1,6 @@
 import { NextResponse } from 'next/server';
 import { listAssignments, loadDailyPnL } from '@/lib/db';
-import { getClients, restingWakeAt, sessionRestInfo } from '@/lib/clients';
+import { getClients } from '@/lib/clients';
 import { getAccountTypeById, getCachedCatalog } from '@/lib/firm-catalog';
 import { ruleDiffs } from '@/lib/kept-rules';
 import { getAccountConfig, getInferredSize, matchAccountType } from '@/lib/account-type-resolver';
@@ -27,10 +27,8 @@ export async function GET() {
             // A firm with no accounts is a real, settled state and must not be
             // reported the same way as one that is still authenticating.
             const connected = !!client && client.syncComplete;
-            const rest = sessionRestInfo(f.id);
-            const resting = rest ? { resting: { since: rest.since, wakeAt: restingWakeAt(f.id) } } : {};
             if (!client || client.accountList.length === 0) {
-                return { firmId: f.id, firm: f.name, connected, ...resting, accounts: [] };
+                return { firmId: f.id, firm: f.name, connected, accounts: [] };
             }
             // Accounts whose rules date was set by hand — one read per firm
             // rather than one per account.
@@ -316,7 +314,7 @@ export async function GET() {
                     keptRules,
                 };
             });
-            return { firmId: f.id, firm: f.name, connected, ...resting, accounts };
+            return { firmId: f.id, firm: f.name, connected, accounts };
         });
 
         return NextResponse.json(state);