Add household support: multi-household isolation, each with own admin and users, 38 tests

meals.py

@@ -10,7 +10,6 @@ from flask import (
     url_for,
     session,
     flash,
-    jsonify,
 )
 
 from models import get_dashboard_data, upsert_response, ensure_meal_periods
@@ -42,6 +41,7 @@ def index():
 @login_required
 def dashboard():
     today = date.today()
+    household_id = session["household_id"]
 
     # Allow viewing other dates via query param
     date_str = request.args.get("date")
@@ -51,7 +51,7 @@ def dashboard():
         except ValueError:
             flash("Invalid date format. Use YYYY-MM-DD.", "error")
 
-    data = get_dashboard_data(today)
+    data = get_dashboard_data(today, household_id)
     return render_template(
         "dashboard.html",
         dashboard=data,
@@ -83,7 +83,6 @@ def respond():
         flash("Invalid date.", "error")
         return redirect(url_for("meals.dashboard"))
 
-    # Only allow responding to today (and not in the past)
     if target_date < date.today():
         flash("Cannot change responses for past dates.", "error")
         return redirect(url_for("meals.dashboard"))
@@ -107,7 +106,7 @@ def history():
     except ValueError:
         target_date = date.today()
 
-    data = get_dashboard_data(target_date)
+    data = get_dashboard_data(target_date, session["household_id"])
     return render_template(
         "dashboard.html",
         dashboard=data,