Add program picker relay status handling for wash start and update related tests

services/nginx/app/modules/selfserve/traits/selfserve_lane_command_t.php

@@ -210,6 +210,19 @@ trait selfserve_lane_command_t
         }
     }
 
+    protected function setProgramPickerRelayStatusFromSelectedServiceForWashStart(): void
+    {
+        if (!$this->isRelayConfigured(selfserve_lane_relay::MACHINE_PROGRAM_PICKER)) {
+            return;
+        }
+
+        try {
+            $this->setMachineProgramPickerRelayStatusHard($this->isMachineServiceSelectedForWashStart());
+        } catch (\Throwable) {
+            // Best effort only; wash start must continue.
+        }
+    }
+
     protected function isMachineWashSelectedAndAvailableForStart(): bool
     {
         if (!$this->isMachineServiceSelectedForWashStart()) {
@@ -336,6 +349,7 @@ trait selfserve_lane_command_t
     protected function runRelaySideEffectsForWashStart(selfserve_lane_command_arguments $arguments): void
     {
         if ($arguments->defer_relay_side_effects) {
+            $this->setProgramPickerRelayStatusFromSelectedServiceForWashStart();
             return;
         }
 

services/nginx/app/tests/Unit/Selfserve/SelfserveLaneStartEntranceTimeoutTest.php

@@ -53,10 +53,16 @@ class SelfserveLaneStartEntranceTimeoutHarness
         $this->relayEvents[] = 'cleaner:on';
     }
 
+    protected function setProgramPickerRelayStatusFromSelectedServiceForWashStart(): void
+    {
+        $this->programPickerRelayCalls++;
+        $this->relayEvents[] = 'program_picker:selected_service';
+    }
+
     protected function setProgramPickerRelayStatusForWashStart(): void
     {
         $this->programPickerRelayCalls++;
-        $this->relayEvents[] = 'program_picker:sync';
+        $this->relayEvents[] = 'program_picker:eligibility_sync';
     }
 
     protected function setMachineRelayStatusForWashStart(): void
@@ -109,15 +115,17 @@ it('parses deferred relay side effects on start command arguments', function ():
     expect($arguments->defer_relay_side_effects)->toBeTrue();
 });
 
-it('skips relay side effects when start asks to defer machine side effects', function (): void {
+it('only syncs program picker from selected service when start asks to defer machine side effects', function (): void {
     $lane = new SelfserveLaneStartEntranceTimeoutHarness();
 
     $lane->runStartRelaySideEffects(true);
 
     expect($lane->cleanerRelayCalls)->toBe(0);
-    expect($lane->programPickerRelayCalls)->toBe(0);
+    expect($lane->programPickerRelayCalls)->toBe(1);
     expect($lane->machineRelayCalls)->toBe(0);
-    expect($lane->relayEvents)->toBe([]);
+    expect($lane->relayEvents)->toBe([
+        'program_picker:selected_service',
+    ]);
 });
 
 it('keeps cleaner, program picker and machine relay side effects in order for normal start commands', function (): void {
@@ -130,7 +138,7 @@ it('keeps cleaner, program picker and machine relay side effects in order for no
     expect($lane->machineRelayCalls)->toBe(1);
     expect($lane->relayEvents)->toBe([
         'cleaner:on',
-        'program_picker:sync',
+        'program_picker:eligibility_sync',
         'machine:sync',
     ]);
 });