--- a/erd.pdf
+++ b/erd.pdf
--- a/erd.png
+++ b/erd.png
--- a/public_frontend/forms.py
+++ b/public_frontend/forms.py
@@ -4,12 +4,16 @@ from django import forms
 
				 
			
 
				 
			
 
				 class PickupRequestForm(forms.Form):
			
 
				+    class MultiFileInput(forms.ClearableFileInput):
			
 
				+        allow_multiple_selected = True
			
 
				+
			
 
				     name = forms.CharField(max_length=255)
			
 
				     email = forms.EmailField(required=False)
			
 
				     phone = forms.CharField(max_length=64, required=False)
			
 
				     address = forms.CharField(widget=forms.Textarea)
			
 
				     preferred_at = forms.DateTimeField(required=False, widget=forms.DateTimeInput(attrs={"type": "datetime-local"}))
			
 
				     materials = forms.CharField(label="Materials/Notes", widget=forms.Textarea, required=False)
			
 
				+    photos = forms.FileField(required=False, widget=MultiFileInput, help_text="Optional: upload photos of scrap")
			
 
				 
			
 
				 
			
 
				 class ContactForm(forms.Form):
			
@@ -18,4 +22,3 @@ class ContactForm(forms.Form):
 
				     phone = forms.CharField(max_length=64, required=False)
			
 
				     subject = forms.CharField(max_length=255, required=False)
			
 
				     message = forms.CharField(widget=forms.Textarea)
			
 
				-
			
--- a/public_frontend/templates/public_frontend/home.html
+++ b/public_frontend/templates/public_frontend/home.html
@@ -76,7 +76,7 @@
 
				   {# Pickup Request Section #}
			
 
				   <section id="pickup-request">
			
 
				     <h2 class="text-2xl font-semibold mb-3">Request a Pickup</h2>
			
 
				-    <form method="post" action="{% url 'public_frontend:pickup_request' %}" class="bg-white rounded-lg shadow-md p-4 grid gap-4">
			
 
				+    <form method="post" enctype="multipart/form-data" action="{% url 'public_frontend:pickup_request' %}" class="bg-white rounded-lg shadow-md p-4 grid gap-4">
			
 
				       {% csrf_token %}
			
 
				       <div>
			
 
				         <label class="block text-sm font-medium mb-1">Name</label>
			
@@ -101,6 +101,10 @@
 
				         <textarea name="materials" class="w-full border rounded px-3 py-2" rows="4">{{ pickup_form.materials.value|default:'' }}</textarea>
			
 
				       </div>
			
 
				       <div>
			
 
				+        <label class="block text-sm font-medium mb-1">Photos (optional)</label>
			
 
				+        <input type="file" name="photos" multiple accept="image/*" class="w-full border rounded px-3 py-2">
			
 
				+      </div>
			
 
				+      <div>
			
 
				         <button class="btn-primary" type="submit">Submit Request</button>
			
 
				       </div>
			
 
				     </form>
			
--- a/public_frontend/templates/public_frontend/materials_list.html
+++ b/public_frontend/templates/public_frontend/materials_list.html
@@ -14,7 +14,7 @@
 
				       {% for m in materials %}
			
 
				         <tr class="border-t">
			
 
				           <td class="px-4 py-2">{{ m.name }}</td>
			
 
				-          <td class="px-4 py-2">{{ m.category.name }}</td>
			
 
				+          <td class="px-4 py-2">{{ m.get_category_display }}</td>
			
 
				           <td class="px-4 py-2">{{ m.get_default_unit_display }}</td>
			
 
				         </tr>
			
 
				       {% empty %}
			
@@ -24,4 +24,3 @@
 
				   </table>
			
 
				   </div>
			
 
				 {% endblock %}
			
 
				-
			
--- a/public_frontend/templates/public_frontend/pickup_request.html
+++ b/public_frontend/templates/public_frontend/pickup_request.html
@@ -2,7 +2,7 @@
 
				 {% block title %}Request Pickup{% endblock %}
			
 
				 {% block content %}
			
 
				 <h1 class="text-xl font-semibold mb-4">Request a Pickup</h1>
			
 
				-<form method="post" class="bg-white rounded shadow p-4 grid gap-4">
			
 
				+<form method="post" enctype="multipart/form-data" class="bg-white rounded shadow p-4 grid gap-4">
			
 
				   {% csrf_token %}
			
 
				   <div>
			
 
				     <label class="block text-sm font-medium mb-1">Name</label>
			
@@ -35,9 +35,12 @@
 
				     <textarea name="materials" class="w-full border rounded px-3 py-2" rows="4">{{ form.materials.value|default:'' }}</textarea>
			
 
				   </div>
			
 
				   <div>
			
 
				+    <label class="block text-sm font-medium mb-1">Photos (optional)</label>
			
 
				+    <input type="file" name="photos" multiple accept="image/*" class="w-full border rounded px-3 py-2">
			
 
				+  </div>
			
 
				+  <div>
			
 
				     <button class="btn-primary" type="submit">Submit Request</button>
			
 
				   </div>
			
 
				 </form>
			
 
				 <style>.btn-primary{background:#1d4ed8;color:white;padding:.5rem .75rem;border-radius:.375rem}</style>
			
 
				 {% endblock %}
			
 
				-
			
--- a/public_frontend/views.py
+++ b/public_frontend/views.py
@@ -12,6 +12,10 @@ from cms.models import Post, PostCategory
 
				 
			
 
				 from .forms import PickupRequestForm, ContactForm
			
 
				 from .models import Lead
			
 
				+from recycle_core.controllers.pickup_request import (
			
 
				+    PickupRequestController,
			
 
				+    PickupRequestData,
			
 
				+)
			
 
				 
			
 
				 
			
 
				 def home(request):
			
@@ -98,30 +102,29 @@ def service_detail(request, pk: int):
 
				 
			
 
				 def pickup_request(request):
			
 
				     org = getattr(request, "org", None)
			
 
				-    form = PickupRequestForm(request.POST or None)
			
 
				+    form = PickupRequestForm(request.POST or None, request.FILES or None)
			
 
				     if request.method == "POST":
			
 
				         if not org:
			
 
				             messages.error(request, "Organization context missing.")
			
 
				             return redirect("public_frontend:pickup_request")
			
 
				         if form.is_valid():
			
 
				-            # Store as a Lead for staff to process; PickupOrder requires customer/site
			
 
				-            message = (
			
 
				-                f"Pickup Request\n"
			
 
				-                f"Address: {form.cleaned_data.get('address')}\n"
			
 
				-                f"Preferred: {form.cleaned_data.get('preferred_at') or ''}\n"
			
 
				-                f"Materials: {form.cleaned_data.get('materials') or ''}"
			
 
				-            )
			
 
				-            Lead.objects.create(
			
 
				+            ctrl = PickupRequestController()
			
 
				+            data = PickupRequestData(
			
 
				                 organization=org,
			
 
				-                name=form.cleaned_data.get('name'),
			
 
				-                email=form.cleaned_data.get('email',''),
			
 
				-                phone=form.cleaned_data.get('phone',''),
			
 
				-                subject='Pickup Request',
			
 
				-                message=message,
			
 
				-                source='pickup_request',
			
 
				+                name=form.cleaned_data.get("name"),
			
 
				+                email=form.cleaned_data.get("email", ""),
			
 
				+                phone=form.cleaned_data.get("phone", ""),
			
 
				+                address=form.cleaned_data.get("address", ""),
			
 
				+                materials=form.cleaned_data.get("materials", ""),
			
 
				+                preferred_at=form.cleaned_data.get("preferred_at"),
			
 
				+                files=request.FILES.getlist("photos") if hasattr(request, "FILES") and "photos" in request.FILES else [],
			
 
				             )
			
 
				-            messages.success(request, "Thanks! Your pickup request was submitted.")
			
 
				-            return redirect("public_frontend:home")
			
 
				+            result = ctrl.submit(data)
			
 
				+            if result.ok:
			
 
				+                messages.success(request, "Thanks! Your pickup request was submitted.")
			
 
				+                return redirect("public_frontend:home")
			
 
				+            else:
			
 
				+                messages.error(request, result.error or "Unable to submit your request.")
			
 
				         messages.error(request, "Please correct the errors below.")
			
 
				     return render(request, "public_frontend/pickup_request.html", {"form": form, "org": org})
			
 
				 
			
--- a/recycle_core/admin.py
+++ b/recycle_core/admin.py
@@ -39,9 +39,13 @@ class MaterialCategoryAdmin(OrgScopedAdmin):
 
				 
			
 
				 @admin.register(models.Material)
			
 
				 class MaterialAdmin(OrgScopedAdmin):
			
 
				-    list_display = ("name", "code", "category", "organization", "default_unit")
			
 
				+    list_display = ("name", "code", "get_category_display", "organization", "default_unit")
			
 
				     list_filter = ("default_unit", "category")
			
 
				     search_fields = ("name", "code")
			
 
				+    class MaterialImageInline(admin.TabularInline):
			
 
				+        model = models.MaterialImage
			
 
				+        extra = 1
			
 
				+    inlines = [MaterialImageInline]
			
 
				 
			
 
				 
			
 
				 @admin.register(models.PriceList)
			
--- a/recycle_core/controllers/__init__.py
+++ b/recycle_core/controllers/__init__.py
@@ -0,0 +1,2 @@
 
				+from __future__ import annotations
			
 
				+
			
--- a/recycle_core/controllers/pickup_request.py
+++ b/recycle_core/controllers/pickup_request.py
@@ -0,0 +1,80 @@
 
				+from __future__ import annotations
			
 
				+
			
 
				+from dataclasses import dataclass
			
 
				+from typing import Iterable, List, Optional
			
 
				+from django.contrib.contenttypes.models import ContentType
			
 
				+from django.utils import timezone
			
 
				+
			
 
				+from orgs.models import Organization
			
 
				+from recycle_core.models import Document
			
 
				+
			
 
				+
			
 
				+@dataclass
			
 
				+class PickupRequestData:
			
 
				+    organization: Organization
			
 
				+    name: str
			
 
				+    email: str = ""
			
 
				+    phone: str = ""
			
 
				+    address: str = ""
			
 
				+    materials: str = ""
			
 
				+    preferred_at: Optional[timezone.datetime] = None
			
 
				+    files: Optional[Iterable] = None  # iterable of UploadedFile
			
 
				+
			
 
				+
			
 
				+@dataclass
			
 
				+class PickupRequestResult:
			
 
				+    ok: bool
			
 
				+    lead_id: Optional[int] = None
			
 
				+    error: Optional[str] = None
			
 
				+    document_ids: List[int] = None
			
 
				+
			
 
				+
			
 
				+class PickupRequestController:
			
 
				+    """Application layer controller for the fast-path pickup request.
			
 
				+
			
 
				+    - Creates a Lead scoped to an Organization
			
 
				+    - Stores any uploaded photos/documents as Document records attached to the Lead
			
 
				+    """
			
 
				+
			
 
				+    def submit(self, data: PickupRequestData) -> PickupRequestResult:
			
 
				+        from public_frontend.models import Lead  # import locally to avoid circular imports
			
 
				+
			
 
				+        try:
			
 
				+            # Prepare message body for staff
			
 
				+            message = (
			
 
				+                f"Pickup Request\n"
			
 
				+                f"Address: {data.address}\n"
			
 
				+                f"Preferred: {data.preferred_at or ''}\n"
			
 
				+                f"Materials: {data.materials or ''}"
			
 
				+            )
			
 
				+
			
 
				+            lead = Lead.objects.create(
			
 
				+                organization=data.organization,
			
 
				+                name=data.name,
			
 
				+                email=data.email or "",
			
 
				+                phone=data.phone or "",
			
 
				+                subject="Pickup Request",
			
 
				+                message=message,
			
 
				+                source="pickup_request",
			
 
				+            )
			
 
				+
			
 
				+            # Attach uploaded files as Documents linked to the Lead
			
 
				+            doc_ids: List[int] = []
			
 
				+            if data.files:
			
 
				+                ct = ContentType.objects.get_for_model(Lead)
			
 
				+                for idx, f in enumerate(data.files):
			
 
				+                    doc = Document.objects.create(
			
 
				+                        organization=data.organization,
			
 
				+                        file=f,
			
 
				+                        kind="pickup_request",
			
 
				+                        content_type=ct,
			
 
				+                        object_id=lead.id,
			
 
				+                        uploaded_by=None,
			
 
				+                    )
			
 
				+                    doc_ids.append(doc.id)
			
 
				+
			
 
				+            return PickupRequestResult(ok=True, lead_id=lead.id, document_ids=doc_ids)
			
 
				+
			
 
				+        except Exception as e:
			
 
				+            return PickupRequestResult(ok=False, error=str(e), document_ids=[])
			
 
				+
			
--- a/recycle_core/forms.py
+++ b/recycle_core/forms.py
@@ -1,4 +1,5 @@
 
				 from django import forms
			
 
				+from django.core.exceptions import ValidationError
			
 
				 from django.contrib.auth import get_user_model
			
 
				 from decimal import Decimal
			
 
				 from django.utils import timezone
			
@@ -7,6 +8,7 @@ from django.contrib.contenttypes.models import ContentType
 
				 from .models import (
			
 
				     MaterialCategory,
			
 
				     Material,
			
 
				+    MaterialImage,
			
 
				     ProvidedService,
			
 
				     Customer,
			
 
				     CustomerSite,
			
@@ -21,10 +23,58 @@ class MaterialCategoryForm(forms.ModelForm):
 
				         fields = ["organization", "name"]
			
 
				 
			
 
				 
			
 
				+class MultiFileInput(forms.ClearableFileInput):
			
 
				+    allow_multiple_selected = True
			
 
				+
			
 
				+
			
 
				+class MultiImageField(forms.Field):
			
 
				+    widget = MultiFileInput
			
 
				+
			
 
				+    def __init__(self, *args, **kwargs):
			
 
				+        kwargs.setdefault("required", False)
			
 
				+        super().__init__(*args, **kwargs)
			
 
				+
			
 
				+    def to_python(self, data):
			
 
				+        return data
			
 
				+
			
 
				+    def validate(self, value):
			
 
				+        # Basic required check; skip per-file validation here
			
 
				+        if self.required and not value:
			
 
				+            raise ValidationError("This field is required.")
			
 
				+
			
 
				+
			
 
				 class MaterialForm(forms.ModelForm):
			
 
				+    images = MultiImageField(help_text="Upload one or more sample images (optional)")
			
 
				+
			
 
				     class Meta:
			
 
				         model = Material
			
 
				-        fields = ["organization", "category", "name", "code", "default_unit"]
			
 
				+        fields = ["organization", "category", "name", "code", "default_unit", "images"]
			
 
				+
			
 
				+    def save(self, commit=True):
			
 
				+        instance = super().save(commit=commit)
			
 
				+        files = self.files.getlist("images") if hasattr(self, "files") else []
			
 
				+        if commit and files:
			
 
				+            # Instance has a PK; we can create images now
			
 
				+            order_start = instance.images.count()
			
 
				+            for i, f in enumerate(files):
			
 
				+                MaterialImage.objects.create(material=instance, image=f, display_order=order_start + i)
			
 
				+        else:
			
 
				+            # Defer image saving until caller completes save
			
 
				+            self._pending_images = files
			
 
				+        return instance
			
 
				+
			
 
				+    def save_images(self, instance: Material | None = None):
			
 
				+        """Persist any pending images after the Material has been saved."""
			
 
				+        if not hasattr(self, "_pending_images"):
			
 
				+            return
			
 
				+        target = instance or getattr(self, "instance", None)
			
 
				+        if not target or not getattr(target, "pk", None):
			
 
				+            return
			
 
				+        order_start = target.images.count()
			
 
				+        for i, f in enumerate(self._pending_images or []):
			
 
				+            MaterialImage.objects.create(material=target, image=f, display_order=order_start + i)
			
 
				+        # Clear pending list
			
 
				+        self._pending_images = []
			
 
				 
			
 
				 
			
 
				 class CustomerForm(forms.ModelForm):
			
--- a/recycle_core/management/commands/seed_ecoloop.py
+++ b/recycle_core/management/commands/seed_ecoloop.py
@@ -35,6 +35,7 @@ class Command(BaseCommand):
 
				     def add_arguments(self, parser):
			
 
				         parser.add_argument("--org", default="DEMO", help="Organization code/id/name to seed (default: DEMO)")
			
 
				         parser.add_argument("--bidder-org", dest="bidder_org", default="REC1", help="Bidder org code/id/name (default: REC1)")
			
 
				+        parser.add_argument("--reset", action="store_true", help="Delete existing data for the target orgs before seeding")
			
 
				 
			
 
				     def handle(self, *args, **options):
			
 
				         now = timezone.now()
			
@@ -59,6 +60,70 @@ class Command(BaseCommand):
 
				         org = _resolve_org(org_ident, default_name=("Ecoloop " + str(org_ident)))
			
 
				         bidder_org = _resolve_org(bidder_ident, default_name="Recycler Co.")
			
 
				 
			
 
				+        # Optionally reset existing demo data (scoped to the selected orgs)
			
 
				+        if options.get("reset"):
			
 
				+            from recycle_core.models import (
			
 
				+                ScrapAward,
			
 
				+                ScrapBid,
			
 
				+                ScrapListingInvite,
			
 
				+                ScrapListingItem,
			
 
				+                ScrapListing,
			
 
				+                WeighLine,
			
 
				+                WeighTicket,
			
 
				+                PickupItem,
			
 
				+                PickupOrder,
			
 
				+                InvoiceLine,
			
 
				+                Invoice,
			
 
				+                Payment,
			
 
				+                Payout,
			
 
				+                ServiceAgreement,
			
 
				+                CustomerSite,
			
 
				+                Customer,
			
 
				+                PriceListItem,
			
 
				+                PriceList,
			
 
				+                Material,
			
 
				+                MaterialCategory,
			
 
				+                ProvidedService,
			
 
				+            )
			
 
				+
			
 
				+            def _wipe_for(o: Organization):
			
 
				+                # Marketplace
			
 
				+                ScrapAward.objects.filter(listing__organization=o).delete()
			
 
				+                ScrapBid.objects.filter(listing__organization=o).delete()
			
 
				+                ScrapListingInvite.objects.filter(listing__organization=o).delete()
			
 
				+                ScrapListingItem.objects.filter(listing__organization=o).delete()
			
 
				+                ScrapListing.objects.filter(organization=o).delete()
			
 
				+
			
 
				+                # Operations
			
 
				+                WeighLine.objects.filter(ticket__pickup__organization=o).delete()
			
 
				+                WeighTicket.objects.filter(pickup__organization=o).delete()
			
 
				+                PickupItem.objects.filter(pickup__organization=o).delete()
			
 
				+                PickupOrder.objects.filter(organization=o).delete()
			
 
				+
			
 
				+                # Billing
			
 
				+                InvoiceLine.objects.filter(invoice__organization=o).delete()
			
 
				+                Payment.objects.filter(invoice__organization=o).delete()
			
 
				+                Invoice.objects.filter(organization=o).delete()
			
 
				+                Payout.objects.filter(organization=o).delete()
			
 
				+
			
 
				+                # Customers and agreements
			
 
				+                ServiceAgreement.objects.filter(customer__organization=o).delete()
			
 
				+                CustomerSite.objects.filter(customer__organization=o).delete()
			
 
				+                Customer.objects.filter(organization=o).delete()
			
 
				+
			
 
				+                # Pricing
			
 
				+                PriceListItem.objects.filter(price_list__organization=o).delete()
			
 
				+                PriceList.objects.filter(organization=o).delete()
			
 
				+
			
 
				+                # Inventory and services
			
 
				+                Material.objects.filter(organization=o).delete()
			
 
				+                ProvidedService.objects.filter(organization=o).delete()
			
 
				+                MaterialCategory.objects.filter(organization=o).delete()
			
 
				+
			
 
				+            _wipe_for(org)
			
 
				+            _wipe_for(bidder_org)
			
 
				+            self.stdout.write(self.style.WARNING("Existing data removed for selected orgs (reset)."))
			
 
				+
			
 
				         # Users
			
 
				         manager = User.objects.filter(username="manager").first()
			
 
				         if not manager:
			
@@ -80,10 +145,10 @@ class Command(BaseCommand):
 
				         metals, _ = MaterialCategory.objects.get_or_create(organization=org, name="Metals")
			
 
				         paper, _ = MaterialCategory.objects.get_or_create(organization=org, name="Paper")
			
 
				 
			
 
				-        pet, _ = Material.objects.get_or_create(organization=org, category=plastics, name="PET", defaults={"default_unit": Material.UNIT_KG})
			
 
				-        hdpe, _ = Material.objects.get_or_create(organization=org, category=plastics, name="HDPE", defaults={"default_unit": Material.UNIT_KG})
			
 
				-        can, _ = Material.objects.get_or_create(organization=org, category=metals, name="Aluminum Can", defaults={"default_unit": Material.UNIT_KG})
			
 
				-        cardboard, _ = Material.objects.get_or_create(organization=org, category=paper, name="Cardboard", defaults={"default_unit": Material.UNIT_KG})
			
 
				+        pet, _ = Material.objects.get_or_create(organization=org, category="Plastics", name="PET", defaults={"default_unit": Material.UNIT_KG})
			
 
				+        hdpe, _ = Material.objects.get_or_create(organization=org, category="Plastics", name="HDPE", defaults={"default_unit": Material.UNIT_KG})
			
 
				+        can, _ = Material.objects.get_or_create(organization=org, category="Metals", name="Aluminum Can", defaults={"default_unit": Material.UNIT_KG})
			
 
				+        cardboard, _ = Material.objects.get_or_create(organization=org, category="Paper", name="Cardboard", defaults={"default_unit": Material.UNIT_KG})
			
 
				 
			
 
				         # Price list
			
 
				         pl, _ = PriceList.objects.get_or_create(
			
--- a/recycle_core/migrations/0006_alter_materialcategory_name.py
+++ b/recycle_core/migrations/0006_alter_materialcategory_name.py
@@ -0,0 +1,18 @@
 
				+# Generated by Django 4.2.24 on 2025-09-22 09:17
			
 
				+
			
 
				+from django.db import migrations, models
			
 
				+
			
 
				+
			
 
				+class Migration(migrations.Migration):
			
 
				+
			
 
				+    dependencies = [
			
 
				+        ('recycle_core', '0005_providedservice_is_enabled'),
			
 
				+    ]
			
 
				+
			
 
				+    operations = [
			
 
				+        migrations.AlterField(
			
 
				+            model_name='materialcategory',
			
 
				+            name='name',
			
 
				+            field=models.CharField(choices=[('Plastics', 'Plastics'), ('Metals', 'Metals'), ('Paper', 'Paper'), ('Glass', 'Glass'), ('Electronics', 'Electronics'), ('Wood', 'Wood'), ('Rubber', 'Rubber'), ('Textiles', 'Textiles'), ('Organic', 'Organic'), ('Mixed', 'Mixed')], max_length=255),
			
 
				+        ),
			
 
				+    ]
			
--- a/recycle_core/migrations/0007_alter_material_category.py
+++ b/recycle_core/migrations/0007_alter_material_category.py
@@ -0,0 +1,18 @@
 
				+# Generated by Django 4.2.24 on 2025-09-22 09:23
			
 
				+
			
 
				+from django.db import migrations, models
			
 
				+
			
 
				+
			
 
				+class Migration(migrations.Migration):
			
 
				+
			
 
				+    dependencies = [
			
 
				+        ('recycle_core', '0006_alter_materialcategory_name'),
			
 
				+    ]
			
 
				+
			
 
				+    operations = [
			
 
				+        migrations.AlterField(
			
 
				+            model_name='material',
			
 
				+            name='category',
			
 
				+            field=models.CharField(choices=[('Plastics', 'Plastics'), ('Metals', 'Metals'), ('Paper', 'Paper'), ('Glass', 'Glass'), ('Electronics', 'Electronics'), ('Wood', 'Wood'), ('Rubber', 'Rubber'), ('Textiles', 'Textiles'), ('Organic', 'Organic'), ('Mixed', 'Mixed')], max_length=64),
			
 
				+        ),
			
 
				+    ]
			
--- a/recycle_core/migrations/0008_materialimage.py
+++ b/recycle_core/migrations/0008_materialimage.py
@@ -0,0 +1,29 @@
 
				+# Generated by Django 4.2.24 on 2025-09-22 09:28
			
 
				+
			
 
				+from django.db import migrations, models
			
 
				+import django.db.models.deletion
			
 
				+
			
 
				+
			
 
				+class Migration(migrations.Migration):
			
 
				+
			
 
				+    dependencies = [
			
 
				+        ('recycle_core', '0007_alter_material_category'),
			
 
				+    ]
			
 
				+
			
 
				+    operations = [
			
 
				+        migrations.CreateModel(
			
 
				+            name='MaterialImage',
			
 
				+            fields=[
			
 
				+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
			
 
				+                ('created_at', models.DateTimeField(auto_now_add=True)),
			
 
				+                ('updated_at', models.DateTimeField(auto_now=True)),
			
 
				+                ('image', models.ImageField(upload_to='materials/%Y/%m/')),
			
 
				+                ('caption', models.CharField(blank=True, max_length=255)),
			
 
				+                ('display_order', models.PositiveIntegerField(default=0)),
			
 
				+                ('material', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='images', to='recycle_core.material')),
			
 
				+            ],
			
 
				+            options={
			
 
				+                'ordering': ['display_order', 'id'],
			
 
				+            },
			
 
				+        ),
			
 
				+    ]
			
--- a/recycle_core/models.py
+++ b/recycle_core/models.py
@@ -27,7 +27,20 @@ class TimestampedModel(models.Model):
 
				 
			
 
				 class MaterialCategory(TimestampedModel):
			
 
				     organization = models.ForeignKey(Organization, on_delete=models.CASCADE, related_name="material_categories")
			
 
				-    name = models.CharField(max_length=255)
			
 
				+    # Limit to a curated, preset set of category names
			
 
				+    CATEGORY_CHOICES = (
			
 
				+        ("Plastics", "Plastics"),
			
 
				+        ("Metals", "Metals"),
			
 
				+        ("Paper", "Paper"),
			
 
				+        ("Glass", "Glass"),
			
 
				+        ("Electronics", "Electronics"),
			
 
				+        ("Wood", "Wood"),
			
 
				+        ("Rubber", "Rubber"),
			
 
				+        ("Textiles", "Textiles"),
			
 
				+        ("Organic", "Organic"),
			
 
				+        ("Mixed", "Mixed"),
			
 
				+    )
			
 
				+    name = models.CharField(max_length=255, choices=CATEGORY_CHOICES)
			
 
				 
			
 
				     class Meta:
			
 
				         unique_together = ("organization", "name")
			
@@ -81,7 +94,9 @@ class ProvidedService(TimestampedModel):
 
				 
			
 
				 class Material(TimestampedModel):
			
 
				     organization = models.ForeignKey(Organization, on_delete=models.CASCADE, related_name="materials")
			
 
				-    category = models.ForeignKey(MaterialCategory, on_delete=models.PROTECT, related_name="materials")
			
 
				+    # Preset category choices (no FK)
			
 
				+    CATEGORY_CHOICES = MaterialCategory.CATEGORY_CHOICES
			
 
				+    category = models.CharField(max_length=64, choices=CATEGORY_CHOICES)
			
 
				     name = models.CharField(max_length=255)
			
 
				     code = models.CharField(max_length=64, blank=True)
			
 
				     # unit choices keep MVP simple; conversions out of scope for now
			
@@ -102,6 +117,19 @@ class Material(TimestampedModel):
 
				         return self.name
			
 
				 
			
 
				 
			
 
				+class MaterialImage(TimestampedModel):
			
 
				+    material = models.ForeignKey(Material, on_delete=models.CASCADE, related_name="images")
			
 
				+    image = models.ImageField(upload_to="materials/%Y/%m/")
			
 
				+    caption = models.CharField(max_length=255, blank=True)
			
 
				+    display_order = models.PositiveIntegerField(default=0)
			
 
				+
			
 
				+    class Meta:
			
 
				+        ordering = ["display_order", "id"]
			
 
				+
			
 
				+    def __str__(self) -> str:
			
 
				+        return self.caption or f"MaterialImage #{self.id}"
			
 
				+
			
 
				+
			
 
				 class PriceList(TimestampedModel):
			
 
				     organization = models.ForeignKey(Organization, on_delete=models.CASCADE, related_name="price_lists")
			
 
				     name = models.CharField(max_length=255)
			
--- a/recycle_core/templates/recycle_core/material_form.html
+++ b/recycle_core/templates/recycle_core/material_form.html
@@ -5,7 +5,28 @@
 
				 {% render_breadcrumbs breadcrumbs %}
			
 
				 <div class="bg-white rounded shadow p-4">
			
 
				   <h1 class="text-xl font-semibold mb-4">Edit Material</h1>
			
 
				-  <form method="post">
			
 
				+
			
 
				+  {% if item %}
			
 
				+  {% with imgs=item.images.all %}
			
 
				+  {% if imgs %}
			
 
				+  <div class="mb-4">
			
 
				+    <h2 class="text-lg font-medium mb-2">Existing Images</h2>
			
 
				+    <div class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 gap-3">
			
 
				+      {% for im in imgs %}
			
 
				+        <div class="border rounded p-2 bg-white flex flex-col items-center gap-2">
			
 
				+          <img src="{{ im.image.url }}" alt="{{ im.caption|default:'Material image' }}" class="w-28 h-28 object-cover rounded" />
			
 
				+          {% if im.caption %}
			
 
				+            <div class="text-xs text-gray-600 text-center">{{ im.caption }}</div>
			
 
				+          {% endif %}
			
 
				+        </div>
			
 
				+      {% endfor %}
			
 
				+    </div>
			
 
				+  </div>
			
 
				+  {% endif %}
			
 
				+  {% endwith %}
			
 
				+  {% endif %}
			
 
				+
			
 
				+  <form method="post" enctype="multipart/form-data">
			
 
				     {% csrf_token %}
			
 
				     {{ form|crispy }}
			
 
				     <div class="mt-3 flex gap-2">
			
--- a/recycle_core/templates/recycle_core/materials_list.html
+++ b/recycle_core/templates/recycle_core/materials_list.html
@@ -54,7 +54,7 @@
 
				         {% for m in materials %}
			
 
				           <tr>
			
 
				             <td class="px-4 py-2">{{ m.organization.name }}</td>
			
 
				-            <td class="px-4 py-2">{{ m.category.name }}</td>
			
 
				+            <td class="px-4 py-2">{{ m.get_category_display }}</td>
			
 
				             <td class="px-4 py-2">{{ m.name }}</td>
			
 
				             <td class="px-4 py-2">{{ m.code }}</td>
			
 
				             <td class="px-4 py-2">{{ m.get_default_unit_display }}</td>
			
--- a/recycle_core/tests.py
+++ b/recycle_core/tests.py
@@ -1,3 +1,66 @@
 
				 from django.test import TestCase
			
 
				+from django.core.files.uploadedfile import SimpleUploadedFile
			
 
				 
			
 
				-# Create your tests here.
			
 
				+from orgs.models import Organization
			
 
				+from public_frontend.models import Lead
			
 
				+from .models import Document
			
 
				+from .controllers.pickup_request import PickupRequestController, PickupRequestData
			
 
				+
			
 
				+
			
 
				+class PickupRequestControllerTests(TestCase):
			
 
				+    def setUp(self) -> None:
			
 
				+        self.org = Organization.objects.create(name="Test Org", code="TEST")
			
 
				+        self.ctrl = PickupRequestController()
			
 
				+
			
 
				+    def test_submit_without_files_creates_lead_only(self):
			
 
				+        data = PickupRequestData(
			
 
				+            organization=self.org,
			
 
				+            name="Alice",
			
 
				+            email="alice@example.com",
			
 
				+            phone="+1 555 0000",
			
 
				+            address="123 Road",
			
 
				+            materials="PET bottles",
			
 
				+            preferred_at=None,
			
 
				+            files=[],
			
 
				+        )
			
 
				+
			
 
				+        result = self.ctrl.submit(data)
			
 
				+        self.assertTrue(result.ok)
			
 
				+        self.assertIsNotNone(result.lead_id)
			
 
				+        self.assertEqual(result.document_ids, [])
			
 
				+
			
 
				+        lead = Lead.objects.get(pk=result.lead_id)
			
 
				+        self.assertEqual(lead.organization, self.org)
			
 
				+        self.assertEqual(lead.name, "Alice")
			
 
				+        self.assertEqual(lead.subject, "Pickup Request")
			
 
				+        self.assertEqual(lead.source, "pickup_request")
			
 
				+
			
 
				+        self.assertEqual(Document.objects.filter(object_id=lead.id).count(), 0)
			
 
				+
			
 
				+    def test_submit_with_files_creates_documents(self):
			
 
				+        file1 = SimpleUploadedFile("photo1.jpg", b"fakejpegdata1", content_type="image/jpeg")
			
 
				+        file2 = SimpleUploadedFile("photo2.jpg", b"fakejpegdata2", content_type="image/jpeg")
			
 
				+
			
 
				+        data = PickupRequestData(
			
 
				+            organization=self.org,
			
 
				+            name="Bob",
			
 
				+            email="bob@example.com",
			
 
				+            phone="+1 555 1111",
			
 
				+            address="456 Avenue",
			
 
				+            materials="Aluminum cans",
			
 
				+            preferred_at=None,
			
 
				+            files=[file1, file2],
			
 
				+        )
			
 
				+
			
 
				+        result = self.ctrl.submit(data)
			
 
				+        self.assertTrue(result.ok)
			
 
				+        self.assertIsNotNone(result.lead_id)
			
 
				+        self.assertEqual(len(result.document_ids), 2)
			
 
				+
			
 
				+        lead = Lead.objects.get(pk=result.lead_id)
			
 
				+        docs = Document.objects.filter(object_id=lead.id).order_by("id")
			
 
				+        self.assertEqual(docs.count(), 2)
			
 
				+        for d in docs:
			
 
				+            self.assertEqual(d.organization, self.org)
			
 
				+            self.assertEqual(d.kind, "pickup_request")
			
 
				+            self.assertEqual(d.content_object, lead)
			
--- a/recycle_core/views.py
+++ b/recycle_core/views.py
@@ -72,7 +72,7 @@ def owner_required(view_func):
 
				 @breadcrumbs(label="Materials", name="re_materials")
			
 
				 def materials_list(request):
			
 
				     # Create forms
			
 
				-    mat_form = MaterialForm(request.POST or None)
			
 
				+    mat_form = MaterialForm(request.POST or None, request.FILES or None)
			
 
				     cat_form = MaterialCategoryForm(request.POST or None)
			
 
				 
			
 
				     # Restrict organization choices in forms to current org
			
@@ -91,6 +91,11 @@ def materials_list(request):
 
				                 if getattr(request, "org", None) is not None:
			
 
				                     obj.organization = request.org
			
 
				                 obj.save()
			
 
				+                # Save any uploaded images deferred by the form
			
 
				+                try:
			
 
				+                    mat_form.save_images(instance=obj)
			
 
				+                except Exception:
			
 
				+                    pass
			
 
				                 messages.success(request, "Material created.")
			
 
				                 return redirect("recycle_core:materials_list")
			
 
				             else:
			
@@ -109,14 +114,14 @@ def materials_list(request):
 
				     # Filters via django-filter to match list pattern
			
 
				     class MaterialFilter(filters.FilterSet):
			
 
				         organization = filters.ModelChoiceFilter(queryset=Organization.objects.all())
			
 
				-        category = filters.ModelChoiceFilter(queryset=MaterialCategory.objects.all())
			
 
				+        category = filters.ChoiceFilter(choices=Material.CATEGORY_CHOICES)
			
 
				         name = filters.CharFilter(field_name="name", lookup_expr="icontains")
			
 
				 
			
 
				         class Meta:
			
 
				             model = Material
			
 
				             fields = ["organization", "category", "name"]
			
 
				 
			
 
				-    base_mats = Material.objects.select_related("organization", "category").order_by("organization_id", "name")
			
 
				+    base_mats = Material.objects.select_related("organization").order_by("organization_id", "name")
			
 
				     mat_filter = MaterialFilter(request.GET, queryset=base_mats)
			
 
				     mats = mat_filter.qs
			
 
				     # Scope to current organization if present
			
@@ -248,7 +253,7 @@ def org_user_delete(request, pk: int):
 
				 def material_edit(request, pk: int):
			
 
				     item = get_object_or_404(Material, pk=pk)
			
 
				     if request.method == "POST":
			
 
				-        form = MaterialForm(request.POST, instance=item)
			
 
				+        form = MaterialForm(request.POST, request.FILES, instance=item)
			
 
				         if form.is_valid():
			
 
				             form.save()
			
 
				             messages.success(request, "Material updated.")
			
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,4 +14,8 @@ django-browser-reload
 
				 django-allauth[socialaccount]
			
 
				 django-markdownfield
			
 
				 django-mptt
			
 
				+django-extensions
			
 
				+# Choose one of these for graph_models rendering
			
 
				+# pygraphviz is preferred; alternatively install pydotplus and graphviz
			
 
				+pygraphviz
			
 
				 django-npm
			
--- a/seq.png
+++ b/seq.png
--- a/seq.txt
+++ b/seq.txt
@@ -0,0 +1,59 @@
 
				+@startuml
			
 
				+title Request Pickup (Fast Path)
			
 
				+actor "Factory Officer" as FO
			
 
				+participant "Public Site (FE)" as Web
			
 
				+participant "Backend (Django)" as API
			
 
				+actor "Staff (Web Admin)" as Staff
			
 
				+actor Driver
			
 
				+participant "Weigh Station" as Scale
			
 
				+participant Billing
			
 
				+
			
 
				+FO -> Web: Open "Sell Scrap" (Request Pickup)
			
 
				+Web --> FO: Show form (materials, qty, photos, address, time)
			
 
				+FO -> Web: Submit form (+photos)
			
 
				+Web -> API: POST /pickup-request
			
 
				+API -> API: Create Lead (org, details)
			
 
				+API --> Staff: Notify (inbox/email)
			
 
				+Staff -> API: Create/attach Customer + Site
			
 
				+Staff -> API: Create PickupOrder (status=requested)
			
 
				+Staff -> API: Schedule + Assign Driver
			
 
				+API --> FO: Confirmation (schedule)
			
 
				+Driver -> FO: Arrive and collect
			
 
				+Driver -> Scale: Weigh materials
			
 
				+Scale -> API: Record WeighTicket + lines
			
 
				+API -> Billing: Generate Invoice or Payout
			
 
				+Billing --> FO: Invoice/Payout issued
			
 
				+FO -> Billing: Pay / Receive funds
			
 
				+API -> API: Mark Pickup completed
			
 
				+@enduml
			
 
				+
			
 
				+@startuml
			
 
				+title Get Bids (Marketplace Path)
			
 
				+actor "Factory Officer" as FO
			
 
				+participant "Public Site (FE)" as Web
			
 
				+participant "Backend (Django)" as API
			
 
				+actor "Staff (Web Admin)" as Staff
			
 
				+actor "Recycler(s)" as Rec
			
 
				+actor Driver
			
 
				+participant "Weigh Station" as Scale
			
 
				+participant Billing
			
 
				+
			
 
				+FO -> Web: "Sell Scrap" → Get Bids
			
 
				+Web --> FO: Listing form (title, materials, qty, photos, reserve, ends)
			
 
				+FO -> Web: Submit request
			
 
				+Web -> API: POST listing-request
			
 
				+API -> API: Create Draft ScrapListing (or Lead: listing_request)
			
 
				+Staff -> API: Review + Publish (public or invite-only)
			
 
				+API --> Rec: Listing visible / invites sent
			
 
				+Rec -> API: Place Bid(s)
			
 
				+Staff -> API: Close listing at end time
			
 
				+Staff -> API: Award winning bid
			
 
				+API -> API: Create PickupOrder from award
			
 
				+Driver -> FO: Collect materials
			
 
				+Driver -> Scale: Weigh materials
			
 
				+Scale -> API: Record WeighTicket + lines
			
 
				+API -> Billing: Generate Invoice or Payout
			
 
				+Billing --> FO: Invoice/Payout issued
			
 
				+API -> API: Mark Pickup completed
			
 
				+@enduml
			
 
				+
			
--- a/seq_001.png
+++ b/seq_001.png
golf d8e79ace03 index commit		2 年之前
..
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