structure du projet + docker, back: mise en place BD et apps, front: début de dev pour le header et mise en place du thème et css global (override des variables bootstrap)

backend/api/lead_explorer/admin.py

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+from django.contrib import admin
+
+# Register your models here.

backend/api/lead_explorer/apps.py

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+from django.apps import AppConfig
+
+
+class A1LeadExplorerConfig(AppConfig):
+    name = 'api.lead_explorer'

backend/api/lead_explorer/migrations/0001_initial.py

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+# Generated by Django 6.0.5 on 2026-05-28 15:03
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BrutCompany',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='créé le')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='modifié le')),
+                ('obsolete', models.BooleanField(default=False, verbose_name='obsolète')),
+                ('obsolete_at', models.DateTimeField(blank=True, null=True, verbose_name='obsolète le')),
+                ('first_name', models.CharField(blank=True, max_length=100, verbose_name='prénom')),
+                ('last_name', models.CharField(blank=True, max_length=100, verbose_name='nom')),
+                ('company_name', models.CharField(blank=True, max_length=200, verbose_name='nom de société')),
+                ('entity_type', models.CharField(choices=[('COMPANY', 'Société'), ('PERSON', 'Personne')], help_text="Si c'est une personne, le ContactPerson est automatiquement créé lorsque la société passe en prospection", max_length=20, verbose_name='type')),
+                ('lat', models.DecimalField(blank=True, decimal_places=6, max_digits=9, null=True, verbose_name='latitude')),
+                ('long', models.DecimalField(blank=True, decimal_places=6, max_digits=9, null=True, verbose_name='longitude')),
+                ('address', models.CharField(blank=True, max_length=150, verbose_name='adresse')),
+                ('postal_code', models.CharField(blank=True, max_length=20, verbose_name='code postal')),
+                ('city', models.CharField(blank=True, max_length=30, verbose_name='ville')),
+                ('siren', models.CharField(blank=True, max_length=9, verbose_name='numéro siren')),
+                ('siret', models.CharField(blank=True, max_length=14, verbose_name='numéro siret')),
+                ('processed', models.BooleanField(default=False, verbose_name='traité')),
+                ('processed_at', models.DateTimeField(blank=True, null=True, verbose_name='traité le')),
+            ],
+            options={
+                'verbose_name': 'Entreprise',
+                'verbose_name_plural': 'Entreprises',
+            },
+        ),
+    ]

backend/api/lead_explorer/migrations/0002_initial.py

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+# Generated by Django 6.0.5 on 2026-05-28 15:03
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('lead_explorer', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='brutcompany',
+            name='created_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='créé par'),
+        ),
+        migrations.AddField(
+            model_name='brutcompany',
+            name='processed_by',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='processed_companies', to=settings.AUTH_USER_MODEL, verbose_name='traité par'),
+        ),
+        migrations.AddField(
+            model_name='brutcompany',
+            name='updated_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='modifié par'),
+        ),
+    ]

backend/api/lead_explorer/models/__init__.py

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+from .brut_company import BrutCompany
+
+__all__ = [
+    'BrutCompany',
+]

backend/api/lead_explorer/models/brut_company.py

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+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+from api.core.models.trackable_model import TrackableModel
+
+
+class BrutCompany(TrackableModel):
+    """
+    Model representing the brut information from a company.
+    """
+
+    ENTITY_TYPE = [
+        ("COMPANY", _("Société")),
+        ("PERSON", _("Personne")),
+    ]
+
+    first_name = models.CharField(verbose_name=_("prénom"), max_length=100, blank=True)
+    last_name = models.CharField(verbose_name=_("nom"), max_length=100, blank=True)
+    company_name = models.CharField(
+        verbose_name=_("nom de société"), max_length=200, blank=True
+    )  # unique=True ?
+    entity_type = models.CharField(
+        verbose_name=_("type"),
+        max_length=20,
+        choices=ENTITY_TYPE,
+        help_text=_(
+            "Si c'est une personne, le ContactPerson est automatiquement créé lorsque la société passe en prospection"
+        ),
+    )
+    lat = models.DecimalField(
+        verbose_name=_("latitude"),
+        max_digits=9,
+        decimal_places=6,
+        blank=True,
+        null=True,
+    )
+    long = models.DecimalField(
+        verbose_name=_("longitude"),
+        max_digits=9,
+        decimal_places=6,
+        blank=True,
+        null=True,
+    )
+    address = models.CharField(verbose_name=_("adresse"), max_length=150, blank=True)
+    postal_code = models.CharField(
+        verbose_name=_("code postal"), max_length=20, blank=True
+    )
+    city = models.CharField(verbose_name=_("ville"), max_length=30, blank=True)
+    siren = models.CharField(verbose_name=_("numéro siren"), max_length=9, blank=True)
+    siret = models.CharField(verbose_name=_("numéro siret"), max_length=14, blank=True)
+    processed = models.BooleanField(verbose_name=_("traité"), default=False)
+    processed_at = models.DateTimeField(
+        verbose_name=_("traité le"), blank=True, null=True
+    )
+    processed_by = models.ForeignKey(
+        "users.User",
+        verbose_name=_("traité par"),
+        null=True,
+        on_delete=models.SET_NULL,
+        related_name="processed_companies",
+    )
+
+    class Meta:
+        verbose_name = _("Entreprise")
+        verbose_name_plural = _("Entreprises")

backend/api/lead_explorer/urls.py

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+from django.urls import path
+
+app_name = "lead_explorer"
+urlpatterns = [
+]

backend/api/lead_explorer/views.py

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+from django.shortcuts import render
+from django.utils.translation import gettext_lazy as _