fix(tenancy): use absolute URL in team invitation email link

Email clients need absolute URLs to make links clickable. The
acceptance_link was a relative path (/store/invitation/accept?token=...)
which rendered as plain text. Now prepends the platform domain with
the correct protocol.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/modules/prospecting/templates/prospecting/admin/prospect-detail.html

@@ -11,7 +11,8 @@
 {{ loading_state('Loading prospect...') }}
 {{ error_state('Error loading prospect') }}
 
-<div x-show="!loading && !error && prospect" class="space-y-6">
+<template x-if="!loading && !error && prospect">
+<div class="space-y-6">
     <!-- Header -->
     <div class="flex flex-col sm:flex-row sm:items-center justify-between my-6 gap-4">
         <div class="flex items-center space-x-4">
@@ -215,6 +216,7 @@
         <p x-show="campaignSends.length === 0" class="text-sm text-gray-400 text-center py-8">No campaigns sent yet</p>
     </div>
 </div>
+</template>
 
 <!-- Interaction Modal -->
 {% call modal('interactionModal', 'Log Interaction', show_var='showInteractionModal', size='md', show_footer=false) %}