fix: Quote wizard - correct total calculation and email sender

- Fix calculateQuote() to respect serviceInterests flags
- Only include GPS/Support costs when user has enabled them
- Update Step6Summary to conditionally render service sections
- Add sender display name (Arizona Computer Guru) to emails
- Add reply-to address (admin@azcomputerguru.com)
- Fixes phantom $380 support charge appearing in totals

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

projects/msp-tools/quote-wizard/frontend/src/components/wizard/steps/Step6Summary.tsx

@@ -88,54 +88,58 @@ export function Step6Summary({
         </div>
       )}
 
-      {/* GPS Monitoring Section */}
-      <SummarySection
-        icon={<Monitor className="w-5 h-5" />}
-        title="GPS Monitoring"
-        monthlyTotal={result.gpsMonthly}
-        onEdit={() => onGoToStep(1)}
-      >
-        <div className="space-y-2">
-          <SummaryLine
-            label={`${gpsTier?.name} Plan (${quoteData.gps.endpointCount} endpoints)`}
-            value={formatCurrency(result.breakdown.gps.monitoring)}
-          />
-          {quoteData.gps.includeEquipment && quoteData.gps.equipmentDeviceCount > 0 && (
+      {/* GPS Monitoring Section - only show if enabled */}
+      {quoteData.serviceInterests.gps && (
+        <SummarySection
+          icon={<Monitor className="w-5 h-5" />}
+          title="GPS Monitoring"
+          monthlyTotal={result.gpsMonthly}
+          onEdit={() => onGoToStep(1)}
+        >
+          <div className="space-y-2">
             <SummaryLine
-              label={`Equipment Pack (${quoteData.gps.equipmentDeviceCount} devices)`}
-              value={formatCurrency(result.breakdown.gps.equipment)}
+              label={`${gpsTier?.name} Plan (${quoteData.gps.endpointCount} endpoints)`}
+              value={formatCurrency(result.breakdown.gps.monitoring)}
             />
-          )}
-        </div>
-      </SummarySection>
+            {quoteData.gps.includeEquipment && quoteData.gps.equipmentDeviceCount > 0 && (
+              <SummaryLine
+                label={`Equipment Pack (${quoteData.gps.equipmentDeviceCount} devices)`}
+                value={formatCurrency(result.breakdown.gps.equipment)}
+              />
+            )}
+          </div>
+        </SummarySection>
+      )}
 
-      {/* Support Plan Section */}
-      <SummarySection
-        icon={<Headphones className="w-5 h-5" />}
-        title="Support Plan"
-        monthlyTotal={result.supportMonthly}
-        onEdit={() => onGoToStep(2)}
-      >
-        <div className="space-y-2">
-          {quoteData.support.planId === 'none' ? (
-            <SummaryLine
-              label="No Monthly Plan (pay-as-you-go)"
-              value="$0"
-            />
-          ) : (
-            <SummaryLine
-              label={`${supportPlan?.name} Plan (${supportPlan?.includedHours} hrs/mo)`}
-              value={formatCurrency(result.breakdown.support.plan)}
-            />
-          )}
-          {blockTime && (
-            <SummaryLine
-              label={`Block Time (${blockTime.hours} hours) — one-time`}
-              value={formatCurrency(result.breakdown.support.blockTime)}
-            />
-          )}
-        </div>
-      </SummarySection>
+      {/* Support Plan Section - only show if enabled */}
+      {quoteData.serviceInterests.support && (
+        <SummarySection
+          icon={<Headphones className="w-5 h-5" />}
+          title="Support Plan"
+          monthlyTotal={result.supportMonthly}
+          onEdit={() => onGoToStep(2)}
+        >
+          <div className="space-y-2">
+            {quoteData.support.planId === 'none' ? (
+              <SummaryLine
+                label="No Monthly Plan (pay-as-you-go)"
+                value="$0"
+              />
+            ) : (
+              <SummaryLine
+                label={`${supportPlan?.name} Plan (${supportPlan?.includedHours} hrs/mo)`}
+                value={formatCurrency(result.breakdown.support.plan)}
+              />
+            )}
+            {blockTime && (
+              <SummaryLine
+                label={`Block Time (${blockTime.hours} hours) — one-time`}
+                value={formatCurrency(result.breakdown.support.blockTime)}
+              />
+            )}
+          </div>
+        </SummarySection>
+      )}
 
       {/* VoIP Section */}
       {quoteData.voip.enabled && (
@@ -230,15 +234,19 @@ export function Step6Summary({
           Monthly Breakdown
         </h4>
         <div className="space-y-3">
-          <BreakdownRow label="GPS Monitoring" value={result.gpsMonthly} />
-          <BreakdownRow label="Support Plan" value={result.supportMonthly} />
-          {quoteData.voip.enabled && (
+          {quoteData.serviceInterests.gps && (
+            <BreakdownRow label="GPS Monitoring" value={result.gpsMonthly} />
+          )}
+          {quoteData.serviceInterests.support && (
+            <BreakdownRow label="Support Plan" value={result.supportMonthly} />
+          )}
+          {quoteData.serviceInterests.voip && quoteData.voip.enabled && (
             <BreakdownRow label="VoIP Phone System" value={result.voipMonthly} />
           )}
-          {quoteData.webHosting.enabled && (
+          {quoteData.serviceInterests.webHosting && quoteData.webHosting.enabled && (
             <BreakdownRow label="Web Hosting" value={result.webHostingMonthly} />
           )}
-          {quoteData.email.enabled && (
+          {quoteData.serviceInterests.email && quoteData.email.enabled && (
             <BreakdownRow label="Email Service" value={result.emailMonthly} />
           )}
           <div className="pt-4 mt-1 border-t-2 border-[#fe7400]/20 flex justify-between items-center">