feat(admin): add pipeline diagnostic script + extraction card UX improvements

- Add scripts/check_pipeline.py: read-only diagnostic for pricing pipeline
  row counts, date range analysis, HAVING filter impact, join coverage
- Add description field to all 12 workflows in workflows.toml
- Parse and display descriptions on extraction status cards
- Show spinner + "Running" state with blue-tinted card border
- Display start time with "running..." text for active extractions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/src/padelnomics/admin/pipeline_routes.py

@@ -540,6 +540,7 @@ def _load_workflows() -> list[dict]:
             "schedule": schedule,
             "schedule_label": schedule_label,
             "depends_on": config.get("depends_on", []),
+            "description": config.get("description", ""),
         })
     return workflows
 

web/src/padelnomics/admin/templates/admin/partials/pipeline_overview.html

@@ -16,8 +16,9 @@
     {% set wf = row.workflow %}
     {% set run = row.run %}
     {% set stale = row.stale %}
-    <div style="border:1px solid #E2E8F0;border-radius:10px;padding:0.875rem;background:#FAFAFA">
-      <div class="flex items-center gap-2 mb-2">
+    {% set is_running = run and run.status == 'running' and not stale %}
+    <div style="border:1px solid {% if is_running %}#93C5FD{% else %}#E2E8F0{% endif %};border-radius:10px;padding:0.875rem;background:{% if is_running %}#EFF6FF{% else %}#FAFAFA{% endif %}">
+      <div class="flex items-center gap-2 mb-1">
         {% if not run %}
           <span class="status-dot pending"></span>
         {% elif stale %}
@@ -33,6 +34,15 @@
         {% if stale %}
         <span class="badge-warning" style="font-size:10px;padding:1px 6px;margin-left:auto">stale</span>
         {% endif %}
+        {% if is_running %}
+        <span class="btn btn-sm ml-auto"
+              style="padding:2px 8px;font-size:11px;opacity:0.6;cursor:default;pointer-events:none">
+          <svg class="spinner-icon" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3">
+            <path d="M12 2a10 10 0 0 1 10 10" stroke-linecap="round"/>
+          </svg>
+          Running
+        </span>
+        {% else %}
         <button type="button"
                 class="btn btn-sm ml-auto"
                 style="padding:2px 8px;font-size:11px"
@@ -41,9 +51,17 @@
                 hx-swap="outerHTML"
                 hx-vals='{"extractor": "{{ wf.name }}", "csrf_token": "{{ csrf_token() }}"}'
                 hx-confirm="Run {{ wf.name }} extractor?">Run</button>
+        {% endif %}
       </div>
+      {% if wf.description %}
+      <p class="text-xs text-slate" style="margin-top:2px;margin-bottom:4px">{{ wf.description }}</p>
+      {% endif %}
       <p class="text-xs text-slate">{{ wf.schedule_label }}</p>
-      {% if run %}
+      {% if is_running %}
+        <p class="text-xs mt-1" style="color:#2563EB">
+          Started {{ run.started_at[:16].replace('T', ' ') if run.started_at else '—' }} — running...
+        </p>
+      {% elif run %}
         <p class="text-xs mono text-slate-dark mt-1">{{ run.started_at[:16].replace('T', ' ') if run.started_at else '—' }}</p>
         {% if run.status == 'failed' and run.error_message %}
         <p class="text-xs text-danger mt-1" style="font-family:monospace;word-break:break-all">