refactor: Wave 2 - auto.html remove dataset selector + timeline merge + file_count fix

analysis/session_store.py

@@ -155,7 +155,12 @@ class SessionStore:
                 continue
             try:
                 lf, schema_csv, row_count, file_count, memory_mb = load_csv_directory(csv_glob)
-                # Merge schema from CSV (may be more accurate than persisted schema)
+                # Preserve original metadata counts from disk — CSV re-scan may
+                # detect different file/row counts if files changed on disk.
+                if 'file_count' not in meta and file_count is not None:
+                    meta['file_count'] = file_count
+                if 'row_count' not in meta and row_count is not None:
+                    meta['row_count'] = row_count
                 self.store_dataset(ds_id, lf, schema=schema_csv, metadata=meta)
                 restored += 1
             except Exception:

analysis/views.py

@@ -1301,11 +1301,17 @@ def run_llm_analysis_view(request):
 
 def auto_page(request):
     """LLM-driven auto analysis page."""
-    runs = AnalysisRun.objects.filter(status='ready').order_by('-created_at')[:20]
     cfg = get_config()
+    selected_run = None
+    run_id = request.GET.get('run_id')
+    if run_id:
+        try:
+            selected_run = AnalysisRun.objects.get(display_id=int(run_id))
+        except (ValueError, AnalysisRun.DoesNotExist):
+            pass
     return render(request, 'tianxuan/auto.html', {
-        'runs': runs,
         'llm_configured': bool(cfg.llm.base_url and cfg.llm.api_key),
+        'selected_run': selected_run,
     })