Finalize GTL and retire S/R research harness

frontend/src/api/admin.ts

@@ -200,8 +200,11 @@ export interface TriggerJobResponse {
   job: string;
   status: 'triggered' | 'busy' | 'blocked' | 'not_found';
   message: string;
+  target_model?: BacktestTargetModel;
 }
 
+export type BacktestTargetModel = 'production_gtl' | 'structural_sr';
+
 export function listJobs() {
   return apiClient.get<JobStatus[]>('admin/jobs').then((r) => r.data);
 }
@@ -216,9 +219,9 @@ export function toggleJob(jobName: string, enabled: boolean) {
     .then((r) => r.data);
 }
 
-export function triggerJob(jobName: string) {
+export function triggerJob(jobName: string, options?: { target_model?: BacktestTargetModel }) {
   return apiClient
-    .post<TriggerJobResponse>(`admin/jobs/${jobName}/trigger`)
+    .post<TriggerJobResponse>(`admin/jobs/${jobName}/trigger`, options)
     .then((r) => r.data);
 }
 

frontend/src/components/signals/BacktestPanel.tsx

@@ -2,6 +2,7 @@ import { useMemo, useState } from 'react';
 import { useMutation, useQueryClient } from '@tanstack/react-query';
 import { useBacktestReport } from '../../hooks/useMarketRegime';
 import { triggerJob } from '../../api/admin';
+import type { BacktestTargetModel } from '../../api/admin';
 import { Button } from '../ui/Button';
 import { Callout } from '../ui/Callout';
 import { Disclosure } from '../ui/Disclosure';
@@ -143,6 +144,7 @@ export function BacktestPanel() {
   const toast = useToast();
   const [selectedStrategy, setSelectedStrategy] = useState('');
   const [selectedLookback, setSelectedLookback] = useState('');
+  const [targetModel, setTargetModel] = useState<BacktestTargetModel>('production_gtl');
 
   const monitor = report?.portfolio_monitor ?? null;
   const activeStrategy =
@@ -159,10 +161,11 @@ export function BacktestPanel() {
   );
 
   const run = useMutation({
-    mutationFn: () => triggerJob('backtest'),
+    mutationFn: () => triggerJob('backtest', { target_model: targetModel }),
     onSuccess: (res) => {
       if (res.status === 'triggered') {
-        toast.addToast('success', 'Backtest started — results appear when it finishes (a minute or two).');
+        const label = targetModel === 'production_gtl' ? 'Live GTL' : 'Structural S/R comparison';
+        toast.addToast('success', `${label} backtest started — results appear when it finishes.`);
         setTimeout(() => queryClient.invalidateQueries({ queryKey: ['backtest-report'] }), 8000);
       } else {
         toast.addToast('info', res.message || 'Could not start backtest');
@@ -184,9 +187,61 @@ export function BacktestPanel() {
               so read it as directional.
             </p>
           </Disclosure>
-          <Button onClick={() => run.mutate()} loading={run.isPending} className="shrink-0">
-            {run.isPending ? 'Starting…' : report ? 'Re-run backtest' : 'Run backtest'}
-          </Button>
+          <div className="flex w-full flex-col gap-3 sm:w-auto sm:items-end">
+            <fieldset className="grid w-full grid-cols-1 gap-2 sm:w-[34rem] sm:grid-cols-2">
+              <legend className="mb-1 text-[11px] font-medium uppercase tracking-wider text-gray-500">
+                Target model for this run
+              </legend>
+              <label
+                className={`cursor-pointer rounded-lg border px-3 py-2 transition-colors focus-within:ring-2 focus-within:ring-blue-400/60 ${
+                  targetModel === 'production_gtl'
+                    ? 'border-blue-400/60 bg-blue-500/10'
+                    : 'border-white/10 bg-white/[0.03] hover:border-white/20'
+                }`}
+              >
+                <input
+                  className="sr-only"
+                  type="radio"
+                  name="backtest-target-model"
+                  value="production_gtl"
+                  checked={targetModel === 'production_gtl'}
+                  onChange={() => setTargetModel('production_gtl')}
+                />
+                <span className="flex items-center justify-between gap-2 text-sm font-medium text-gray-100">
+                  Live GTL
+                  <span className="rounded-full border border-blue-400/40 bg-blue-400/10 px-2 py-0.5 text-[9px] font-semibold uppercase tracking-widest text-blue-300">
+                    Production
+                  </span>
+                </span>
+                <span className="mt-1 block text-[11px] leading-4 text-gray-500">
+                  Exact target path used by the live scanner and scheduled backtest.
+                </span>
+              </label>
+              <label
+                className={`cursor-pointer rounded-lg border px-3 py-2 transition-colors focus-within:ring-2 focus-within:ring-amber-400/60 ${
+                  targetModel === 'structural_sr'
+                    ? 'border-amber-400/50 bg-amber-500/10'
+                    : 'border-white/10 bg-white/[0.03] hover:border-white/20'
+                }`}
+              >
+                <input
+                  className="sr-only"
+                  type="radio"
+                  name="backtest-target-model"
+                  value="structural_sr"
+                  checked={targetModel === 'structural_sr'}
+                  onChange={() => setTargetModel('structural_sr')}
+                />
+                <span className="text-sm font-medium text-gray-200">Structural S/R</span>
+                <span className="mt-1 block text-[11px] leading-4 text-gray-500">
+                  Comparison only; uses chart structure as the target source.
+                </span>
+              </label>
+            </fieldset>
+            <Button onClick={() => run.mutate()} loading={run.isPending} className="shrink-0">
+              {run.isPending ? 'Starting…' : report ? 'Re-run backtest' : 'Run backtest'}
+            </Button>
+          </div>
         </div>
 
         {isLoading && <Callout variant="empty">Loading…</Callout>}
@@ -206,6 +261,10 @@ export function BacktestPanel() {
               {report.params.cost_per_side_pct != null && (
                 <> · net of {report.params.cost_per_side_pct}%/side costs</>
               )}
+              {' '}· target model:{' '}
+              <span className={report.params.is_production_target_model === false ? 'text-amber-300' : 'text-blue-300'}>
+                {report.params.target_model_label ?? 'Legacy report (model not recorded)'}
+              </span>
             </p>
 
             {monitor && monitorRun ? (

frontend/src/lib/types.ts

@@ -399,6 +399,9 @@ export interface BacktestReport {
     horizon_days: number;
     min_lookback: number;
     cost_per_side_pct?: number;
+    target_model?: 'production_gtl' | 'structural_sr';
+    target_model_label?: string;
+    is_production_target_model?: boolean;
   };
   overall_qualified: BacktestBucket;
   overall_all: BacktestBucket;