feat(admin): HTML leads list with filter + top empresas + download stats

app/admin.py

@@ -2,8 +2,9 @@ import csv
 import io
 from pathlib import Path
 
-from fastapi import APIRouter, Depends, File, Form, HTTPException, Query, UploadFile
-from fastapi.responses import Response
+from fastapi import APIRouter, Depends, File, Form, HTTPException, Query, Request, UploadFile
+from fastapi.responses import HTMLResponse, Response
+from fastapi.templating import Jinja2Templates
 
 from app.config import get_settings
 from app.db import list_leads, stats
@@ -12,6 +13,31 @@ from app.security import require_admin
 
 router = APIRouter(prefix="/admin", tags=["admin"])
 
+_TEMPLATES_DIR = Path(__file__).parent / "templates"
+templates = Jinja2Templates(directory=str(_TEMPLATES_DIR))
+
+
+@router.get("/leads.html", response_class=HTMLResponse)
+@router.get("/leads", response_class=HTMLResponse)
+def admin_leads_html(
+    request: Request,
+    _user: str = Depends(require_admin),
+    limit: int = Query(1000, ge=1, le=10000),
+):
+    leads = list_leads(limit=limit, offset=0)
+    s = stats()
+    return templates.TemplateResponse(
+        "admin_leads.html",
+        {
+            "request": request,
+            "leads": leads,
+            "total": s["total_leads"],
+            "total_downloads": s["total_downloads"],
+            "top_empresas": s["top_5_empresas"],
+            "downloads_por_archivo": s["downloads_por_archivo"],
+        },
+    )
+
 
 @router.get("/material-files")
 def admin_material_files(_user: str = Depends(require_admin)):