Implement workspace history reconciliation

core/templates/pages/ai-workspace-insight-graphs.html

@@ -14,8 +14,25 @@
     <div class="column is-12">
       <h1 class="title is-4" style="margin-bottom: 0.35rem;">Insight Graphs: {{ person.name }}</h1>
       <p class="is-size-7 has-text-grey">
-        Historical metrics for workspace {{ workspace_conversation.id }}. Points come from deterministic message-history snapshots (not only mitigation runs).
+        Historical metrics for workspace {{ workspace_conversation.id }}. Points are range-downsampled server-side with high-resolution recent data and progressively sparser older ranges.
       </p>
+      <div class="buttons are-small" style="margin: 0.5rem 0 0.25rem;">
+        <a
+          class="button {% if graph_density == 'low' %}is-dark{% else %}is-light{% endif %}"
+          href="?density=low">
+          Density: Low (max {{ graph_density_caps.low }})
+        </a>
+        <a
+          class="button {% if graph_density == 'medium' %}is-dark{% else %}is-light{% endif %}"
+          href="?density=medium">
+          Density: Medium (max {{ graph_density_caps.medium }})
+        </a>
+        <a
+          class="button {% if graph_density == 'high' %}is-dark{% else %}is-light{% endif %}"
+          href="?density=high">
+          Density: High (max {{ graph_density_caps.high }})
+        </a>
+      </div>
       {% include "partials/ai-insight-nav.html" with active_tab="graphs" %}
     </div>
 
@@ -26,7 +43,9 @@
             <div>
               <p class="heading">{{ graph.group_title }}</p>
               <p class="title is-6" style="margin-bottom: 0.2rem;">{{ graph.title }}</p>
-              <p class="is-size-7 has-text-grey">{{ graph.count }} point{{ graph.count|pluralize }}</p>
+              <p class="is-size-7 has-text-grey">
+                {{ graph.count }} displayed of {{ graph.raw_count }} source point{{ graph.raw_count|pluralize }}
+              </p>
             </div>
             <div class="buttons are-small" style="margin: 0;">
               <a class="button is-light" href="{% url 'ai_workspace_insight_detail' type='page' person_id=person.id metric=graph.slug %}">

core/templates/pages/tasks-hub.html

@@ -66,13 +66,13 @@
             <table class="table is-fullwidth is-striped is-size-7" style="margin-bottom:0.9rem;">
               <thead><tr><th>Identifier</th><th>Service</th><th></th></tr></thead>
               <tbody>
-                {% for row in person_identifiers %}
+                {% for row in person_identifier_rows %}
                   <tr>
                     <td><code>{{ row.identifier }}</code></td>
                     <td>{{ row.service }}</td>
                     <td class="has-text-right">
                       {% if selected_project %}
-                        {% if tuple(selected_project.id, row.service, row.identifier) in mapping_pairs %}
+                        {% if row.mapped %}
                           <span class="tag task-stat-tag">Linked</span>
                         {% else %}
                           <form method="post">