feat(front) : page ajouter un client (formulaire principal + onglets) (ERP-63)

- pages/clients/new.vue : route /clients/new gatee par commercial.clients.manage.
  Formulaire principal (POST /clients) puis validation incrementale des onglets
  via MalioTabList ; un onglet valide passe en lecture seule, passage automatique
  au suivant. Information (PATCH groupe information), Contact/Adresse (sous-ressources
  contacts/addresses), Comptabilite (PATCH scalaires accounting + POST ribs, gate
  accounting.view/manage), onglets coquille auto-avances. Mode strict RG-1.28 :
  chaque requete ne porte que les champs de son groupe.
- i18n : cles commercial.clients.form.* (formulaire, onglets, confirmation, toasts).

RG-1.04 (Information obligatoire pour la Commerciale) : non miroitee cote front
(roles = IRIs dans /api/me, Bureau == Commerciale en permissions) ; appliquee de
maniere fiable par le back. A rebrancher quand un code de role sera expose.

frontend/i18n/locales/fr.json

@@ -99,6 +99,90 @@
                 "phoneFormat": "Format de téléphone invalide (attendu : XX XX XX XX XX).",
                 "emailFormat": "Format d'email invalide.",
                 "addressCategoryForbidden": "Une catégorie « Distributeur » ou « Courtier » ne peut pas qualifier une adresse."
+            },
+            "form": {
+                "title": "Ajouter un client",
+                "submit": "Valider",
+                "duplicateCompany": "Un client portant ce nom de société existe déjà.",
+                "main": {
+                    "companyName": "Nom de l'entreprise",
+                    "firstName": "Prénom",
+                    "lastName": "Nom",
+                    "email": "Email",
+                    "phonePrimary": "Téléphone",
+                    "phoneSecondary": "Téléphone (2)",
+                    "addPhone": "Ajouter un numéro",
+                    "categories": "Catégories",
+                    "relation": "Relation",
+                    "relationNone": "Aucune",
+                    "relationDistributor": "Distributeur",
+                    "relationBroker": "Courtier",
+                    "distributorName": "Nom du distributeur",
+                    "brokerName": "Nom du courtier",
+                    "triageService": "Prestation de triage"
+                },
+                "information": {
+                    "description": "Description",
+                    "competitors": "Concurrents",
+                    "foundedAt": "Date de création",
+                    "employeesCount": "Nombre de salariés",
+                    "revenueAmount": "Chiffre d'affaires",
+                    "profitAmount": "Résultat",
+                    "directorName": "Dirigeant"
+                },
+                "contact": {
+                    "title": "Contact {n}",
+                    "lastName": "Nom",
+                    "firstName": "Prénom",
+                    "jobTitle": "Fonction",
+                    "email": "Email",
+                    "phonePrimary": "Téléphone",
+                    "phoneSecondary": "Téléphone (2)",
+                    "addPhone": "Ajouter un numéro",
+                    "remove": "Supprimer le contact",
+                    "add": "Nouveau contact"
+                },
+                "address": {
+                    "title": "Adresse {n}",
+                    "prospect": "Prospect",
+                    "delivery": "Adresse de livraison",
+                    "billing": "Facturation",
+                    "categories": "Catégorie",
+                    "country": "Pays",
+                    "postalCode": "Code postal",
+                    "city": "Ville",
+                    "street": "Adresse",
+                    "streetComplement": "Adresse complémentaire",
+                    "sites": "Sites Starseed",
+                    "contacts": "Contact(s) rattaché(s)",
+                    "billingEmail": "Email de facturation",
+                    "remove": "Supprimer l'adresse",
+                    "add": "Nouvelle adresse",
+                    "degraded": "Service d'adresse indisponible : saisie de la ville et de l'adresse en mode libre."
+                },
+                "accounting": {
+                    "siren": "SIREN",
+                    "accountNumber": "Numéro de compte",
+                    "tvaMode": "Mode de TVA",
+                    "nTva": "N° de TVA",
+                    "paymentDelay": "Délai de règlement",
+                    "paymentType": "Type de règlement",
+                    "bank": "Banque",
+                    "ribTitle": "RIB {n}",
+                    "ribLabel": "Libellé",
+                    "ribBic": "BIC",
+                    "ribIban": "IBAN",
+                    "addRib": "Ajouter un RIB",
+                    "removeRib": "Supprimer le RIB"
+                },
+                "confirmDelete": {
+                    "title": "Confirmer la suppression",
+                    "contact": "Supprimer ce contact ?",
+                    "address": "Supprimer cette adresse ?",
+                    "rib": "Supprimer ce RIB ?",
+                    "cancel": "Annuler",
+                    "confirm": "Confirmer"
+                }
             }
         }
     },

frontend/modules/commercial/components/ClientAddressBlock.vue

@@ -0,0 +1,280 @@
+<template>
+    <div class="rounded-md border border-neutral-200 bg-white p-6">
+        <div class="mb-4 flex items-center justify-between">
+            <h3 class="text-lg font-bold">{{ title }}</h3>
+            <!-- ariaLabel via v-bind objet (prop camelCase ; aria-* serait un attribut HTML). -->
+            <MalioButtonIcon
+                v-if="removable && !readonly"
+                icon="mdi:trash-can-outline"
+                variant="ghost"
+                v-bind="{ ariaLabel: t('commercial.clients.form.address.remove') }"
+                @click="$emit('remove')"
+            />
+        </div>
+
+        <!-- Usage de l'adresse : Prospect exclusif de Livraison/Facturation
+             (RG-1.06/07/08). On masque l'option incompatible selon l'etat. -->
+        <div class="mb-4 flex flex-wrap gap-6">
+            <MalioCheckbox
+                v-if="canSelectProspect(model)"
+                :model-value="model.isProspect"
+                :label="t('commercial.clients.form.address.prospect')"
+                :readonly="readonly"
+                @update:model-value="(v: boolean) => toggleFlag('isProspect', v)"
+            />
+            <MalioCheckbox
+                v-if="canSelectDeliveryOrBilling(model)"
+                :model-value="model.isDelivery"
+                :label="t('commercial.clients.form.address.delivery')"
+                :readonly="readonly"
+                @update:model-value="(v: boolean) => toggleFlag('isDelivery', v)"
+            />
+            <MalioCheckbox
+                v-if="canSelectDeliveryOrBilling(model)"
+                :model-value="model.isBilling"
+                :label="t('commercial.clients.form.address.billing')"
+                :readonly="readonly"
+                @update:model-value="(v: boolean) => toggleFlag('isBilling', v)"
+            />
+        </div>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <MalioSelectCheckbox
+                :model-value="model.categoryIris"
+                :options="categoryOptions"
+                :label="t('commercial.clients.form.address.categories')"
+                :display-tag="true"
+                :disabled="readonly"
+                @update:model-value="(v: (string | number)[]) => update('categoryIris', v.map(String))"
+            />
+
+            <MalioSelect
+                :model-value="model.country"
+                :options="countryOptions"
+                :label="t('commercial.clients.form.address.country')"
+                :disabled="readonly"
+                @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
+            />
+
+            <MalioInputText
+                :model-value="model.postalCode"
+                :label="t('commercial.clients.form.address.postalCode')"
+                :mask="POSTAL_CODE_MASK"
+                :readonly="readonly"
+                @update:model-value="onPostalCodeChange"
+            />
+
+            <!-- Ville : MalioSelect alimente par le code postal (BAN). En mode
+                 degrade (service indisponible), bascule en saisie libre. -->
+            <MalioSelect
+                v-if="!degraded"
+                :model-value="model.city"
+                :options="cityOptions"
+                :label="t('commercial.clients.form.address.city')"
+                :disabled="readonly"
+                empty-option-label=""
+                @update:model-value="(v: string | number | null) => update('city', v === null ? null : String(v))"
+            />
+            <MalioInputText
+                v-else
+                :model-value="model.city"
+                :label="t('commercial.clients.form.address.city')"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('city', v)"
+            />
+
+            <!-- Adresse : saisie assistee (BAN) ou libre en mode degrade. -->
+            <MalioInputAutocomplete
+                v-if="!degraded"
+                :model-value="model.street"
+                :options="addressOptions"
+                :loading="addressLoading"
+                :min-search-length="3"
+                :label="t('commercial.clients.form.address.street')"
+                :readonly="readonly"
+                @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
+                @search="onAddressSearch"
+                @select="onAddressSelect"
+            />
+            <MalioInputText
+                v-else
+                :model-value="model.street"
+                :label="t('commercial.clients.form.address.street')"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('street', v)"
+            />
+
+            <MalioInputText
+                :model-value="model.streetComplement"
+                :label="t('commercial.clients.form.address.streetComplement')"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('streetComplement', v)"
+            />
+
+            <MalioSelectCheckbox
+                :model-value="model.siteIris"
+                :options="siteOptions"
+                :label="t('commercial.clients.form.address.sites')"
+                :display-tag="true"
+                :disabled="readonly"
+                @update:model-value="(v: (string | number)[]) => update('siteIris', v.map(String))"
+            />
+
+            <MalioSelectCheckbox
+                :model-value="model.contactIris"
+                :options="contactOptions"
+                :label="t('commercial.clients.form.address.contacts')"
+                :display-tag="true"
+                :disabled="readonly"
+                @update:model-value="(v: (string | number)[]) => update('contactIris', v.map(String))"
+            />
+
+            <!-- Email de facturation : visible/obligatoire seulement si Facturation
+                 est coche (RG-1.11). -->
+            <MalioInputText
+                v-if="isBillingEmailRequired(model)"
+                :model-value="model.billingEmail"
+                :label="t('commercial.clients.form.address.billingEmail')"
+                :required="true"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('billingEmail', v)"
+            />
+        </div>
+    </div>
+</template>
+
+<script setup lang="ts">
+import {
+    applyProspectExclusivity,
+    canSelectDeliveryOrBilling,
+    canSelectProspect,
+    isBillingEmailRequired,
+    type AddressFlagsDraft,
+} from '~/modules/commercial/utils/clientFormRules'
+import { useAddressAutocomplete, type AddressSuggestion } from '~/shared/composables/useAddressAutocomplete'
+import type { CategoryOption, RefOption } from '~/modules/commercial/composables/useClientReferentials'
+import type { AddressFormDraft } from '~/modules/commercial/types/clientForm'
+
+// Masque code postal FR : 5 chiffres.
+const POSTAL_CODE_MASK = '#####'
+
+const props = defineProps<{
+    /** Brouillon de l'adresse (v-model). */
+    modelValue: AddressFormDraft
+    title: string
+    /** Categories autorisees sur une adresse (DISTRIBUTEUR/COURTIER exclus, RG-1.29). */
+    categoryOptions: CategoryOption[]
+    /** Sites Starseed disponibles. */
+    siteOptions: RefOption[]
+    /** Contacts deja saisis, rattachables a l'adresse. */
+    contactOptions: RefOption[]
+    /** Pays disponibles (France par defaut). */
+    countryOptions: RefOption[]
+    removable?: boolean
+    readonly?: boolean
+}>()
+
+const emit = defineEmits<{
+    'update:modelValue': [value: AddressFormDraft]
+    'remove': []
+    /** Emis une fois quand le service d'autocompletion bascule en indisponible. */
+    'degraded': []
+}>()
+
+const { t } = useI18n()
+const autocomplete = useAddressAutocomplete()
+
+const model = computed(() => props.modelValue)
+
+// Mode degrade : service BAN indisponible → Ville/Adresse en saisie libre.
+const degraded = ref(false)
+const cityOptions = ref<RefOption[]>([])
+const addressOptions = ref<RefOption[]>([])
+const addressLoading = ref(false)
+// Conserve les suggestions d'adresse pour retrouver ville/CP au moment du select.
+let lastAddressSuggestions: AddressSuggestion[] = []
+
+/** Emet un nouveau brouillon avec le champ modifie (immutabilite). */
+function update<K extends keyof AddressFormDraft>(field: K, value: AddressFormDraft[K]): void {
+    emit('update:modelValue', { ...props.modelValue, [field]: value })
+}
+
+/** Applique l'exclusivite Prospect / (Livraison|Facturation) au changement. */
+function toggleFlag(field: keyof AddressFlagsDraft, value: boolean): void {
+    const flags = applyProspectExclusivity(
+        { isProspect: model.value.isProspect, isDelivery: model.value.isDelivery, isBilling: model.value.isBilling },
+        field,
+        value,
+    )
+    emit('update:modelValue', { ...props.modelValue, ...flags })
+}
+
+/** Bascule définitivement en mode degrade et previent le parent (toast unique). */
+function enterDegraded(): void {
+    if (!degraded.value) {
+        degraded.value = true
+        emit('degraded')
+    }
+}
+
+/** Saisie du code postal → met a jour le champ + interroge la BAN pour la ville. */
+async function onPostalCodeChange(value: string): Promise<void> {
+    update('postalCode', value)
+
+    if (degraded.value) {
+        return
+    }
+    const digits = (value ?? '').replace(/\D/g, '')
+    if (digits.length < 5) {
+        return
+    }
+    try {
+        const suggestions = await autocomplete.searchCity(digits)
+        cityOptions.value = suggestions.map(s => ({ value: s.city, label: s.city }))
+    }
+    catch {
+        enterDegraded()
+    }
+}
+
+/** Recherche d'adresse assistee (event de MalioInputAutocomplete). */
+async function onAddressSearch(query: string): Promise<void> {
+    if (degraded.value) {
+        return
+    }
+    addressLoading.value = true
+    try {
+        const postalCode = (model.value.postalCode ?? '').replace(/\D/g, '') || undefined
+        const suggestions = await autocomplete.searchAddress(query, postalCode)
+        lastAddressSuggestions = suggestions
+        addressOptions.value = suggestions.map(s => ({ value: s.street, label: s.label }))
+    }
+    catch {
+        enterDegraded()
+    }
+    finally {
+        addressLoading.value = false
+    }
+}
+
+/**
+ * Selection d'une suggestion d'adresse → remplit rue + ville + CP.
+ * Le type d'option suit le contrat MalioInputAutocomplete ({ label, value }).
+ */
+function onAddressSelect(option: { label: string, value: string | number } | null): void {
+    if (option === null) {
+        return
+    }
+    const suggestion = lastAddressSuggestions.find(s => s.street === option.value)
+    if (!suggestion) {
+        update('street', String(option.value))
+        return
+    }
+    emit('update:modelValue', {
+        ...props.modelValue,
+        street: suggestion.street,
+        city: suggestion.city,
+        postalCode: suggestion.postalCode,
+    })
+}
+</script>

frontend/modules/commercial/components/ClientContactBlock.vue

@@ -0,0 +1,102 @@
+<template>
+    <div class="rounded-md border border-neutral-200 bg-white p-6">
+        <div class="mb-4 flex items-center justify-between">
+            <h3 class="text-lg font-bold">{{ title }}</h3>
+            <!-- Suppression : ouvre une modal de confirmation cote parent. Masquee
+                 si non supprimable (1er bloc obligatoire RG-1.14) ou en lecture seule. -->
+            <!-- ariaLabel passe via v-bind objet : la prop du composant est
+                 camelCase (aria-* serait traite en attribut HTML, jamais en prop). -->
+            <MalioButtonIcon
+                v-if="removable && !readonly"
+                icon="mdi:trash-can-outline"
+                variant="ghost"
+                v-bind="{ ariaLabel: t('commercial.clients.form.contact.remove') }"
+                @click="$emit('remove')"
+            />
+        </div>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <MalioInputText
+                :model-value="model.lastName"
+                :label="t('commercial.clients.form.contact.lastName')"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('lastName', v)"
+            />
+            <MalioInputText
+                :model-value="model.firstName"
+                :label="t('commercial.clients.form.contact.firstName')"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('firstName', v)"
+            />
+            <MalioInputText
+                :model-value="model.jobTitle"
+                :label="t('commercial.clients.form.contact.jobTitle')"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('jobTitle', v)"
+            />
+            <MalioInputEmail
+                :model-value="model.email"
+                :label="t('commercial.clients.form.contact.email')"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('email', v)"
+            />
+            <MalioInputPhone
+                :model-value="model.phonePrimary"
+                :label="t('commercial.clients.form.contact.phonePrimary')"
+                :mask="PHONE_MASK"
+                :readonly="readonly"
+                :addable="!model.hasSecondaryPhone && !readonly"
+                :add-button-label="t('commercial.clients.form.contact.addPhone')"
+                @update:model-value="(v: string) => update('phonePrimary', v)"
+                @add="revealSecondaryPhone"
+            />
+            <MalioInputPhone
+                v-if="model.hasSecondaryPhone"
+                :model-value="model.phoneSecondary"
+                :label="t('commercial.clients.form.contact.phoneSecondary')"
+                :mask="PHONE_MASK"
+                :readonly="readonly"
+                @update:model-value="(v: string) => update('phoneSecondary', v)"
+            />
+        </div>
+    </div>
+</template>
+
+<script setup lang="ts">
+import type { ContactFormDraft } from '~/modules/commercial/types/clientForm'
+
+// Masque telephone FR : 5 groupes de 2 chiffres (la normalisation finale reste
+// serveur, cf. formatPhoneFR re-applique a la valeur renvoyee).
+const PHONE_MASK = '## ## ## ## ##'
+
+const props = defineProps<{
+    /** Brouillon du contact (v-model). */
+    modelValue: ContactFormDraft
+    /** Titre du bloc (ex: « Contact 1 »). */
+    title: string
+    /** Affiche l'icone de suppression (1er bloc non supprimable, RG-1.14). */
+    removable?: boolean
+    /** Bloc en lecture seule (onglet valide). */
+    readonly?: boolean
+}>()
+
+const emit = defineEmits<{
+    'update:modelValue': [value: ContactFormDraft]
+    'remove': []
+}>()
+
+const { t } = useI18n()
+
+// Alias local pour la lisibilite du template.
+const model = computed(() => props.modelValue)
+
+/** Emet un nouveau brouillon avec le champ modifie (immutabilite). */
+function update<K extends keyof ContactFormDraft>(field: K, value: ContactFormDraft[K]): void {
+    emit('update:modelValue', { ...props.modelValue, [field]: value })
+}
+
+/** Revele le 2e numero (RG-1.02/1.20 : max 1 secondaire, le « + » disparait). */
+function revealSecondaryPhone(): void {
+    emit('update:modelValue', { ...props.modelValue, hasSecondaryPhone: true })
+}
+</script>

frontend/modules/commercial/components/TabPlaceholderBlank.vue

@@ -0,0 +1,14 @@
+<template>
+    <!--
+        Placeholder des onglets non encore implementes (Transport, Statistiques,
+        Rapports, Echanges). Frame vide blanche : aucun champ, aucun bouton,
+        aucun message « En cours » (decision Tristan 28/05). L'orchestrateur passe
+        automatiquement a l'onglet suivant — ce composant n'est qu'une coquille
+        visuelle reutilisee par 1.11/1.12.
+    -->
+    <div class="min-h-[240px] rounded-md bg-white" />
+</template>
+
+<script setup lang="ts">
+// Composant purement presentationnel : aucune prop, aucun event.
+</script>

frontend/modules/commercial/composables/useClientReferentials.ts

@@ -0,0 +1,141 @@
+import { ref } from 'vue'
+
+/**
+ * Charge les referentiels (listes courtes) alimentant les selects de l'ecran
+ * « Ajouter un client » : categories, sites, modes de TVA, delais et types de
+ * reglement, banques, et les listes distributeurs / courtiers.
+ *
+ * Toutes les collections sont recuperees en entier via l'echappatoire prevue
+ * `?pagination=false` (referentiels de quelques dizaines d'entrees max), avec
+ * l'en-tete `Accept: application/ld+json` impose par API Platform 4 pour obtenir
+ * l'enveloppe Hydra (`member`). Les valeurs d'option sont les IRI Hydra (`@id`)
+ * pour pouvoir etre renvoyees telles quelles dans les payloads POST/PATCH
+ * (relations ManyToOne / ManyToMany).
+ *
+ * Etat 100 % local a l'instance (refs) — aucune persistance URL.
+ */
+
+/** Option generique au format attendu par MalioSelect / MalioSelectCheckbox ({ label, value }). */
+export interface RefOption {
+    value: string
+    label: string
+}
+
+/** Option de type de reglement enrichie de son code stable (RG-1.12 / RG-1.13). */
+export interface PaymentTypeOption extends RefOption {
+    code: string
+}
+
+/** Option de categorie enrichie de son code stable (filtrage RG-1.29 cote adresse). */
+export interface CategoryOption extends RefOption {
+    code: string
+}
+
+/** Option de client (distributeur / courtier) — value = IRI du client lie. */
+export type ClientOption = RefOption
+
+interface HydraMember {
+    '@id': string
+}
+
+interface CategoryMember extends HydraMember {
+    code: string
+    name: string
+}
+
+interface SiteMember extends HydraMember {
+    name: string
+}
+
+interface ReferentialMember extends HydraMember {
+    code: string
+    label: string
+}
+
+interface ClientMember extends HydraMember {
+    companyName: string
+}
+
+const LD_JSON_HEADERS = { Accept: 'application/ld+json' }
+
+export function useClientReferentials() {
+    const api = useApi()
+
+    const categories = ref<CategoryOption[]>([])
+    const sites = ref<RefOption[]>([])
+    const tvaModes = ref<RefOption[]>([])
+    const paymentDelays = ref<RefOption[]>([])
+    const paymentTypes = ref<PaymentTypeOption[]>([])
+    const banks = ref<RefOption[]>([])
+    const distributors = ref<ClientOption[]>([])
+    const brokers = ref<ClientOption[]>([])
+
+    /** Recupere une collection complete (pagination desactivee) en Hydra. */
+    async function fetchAll<T extends HydraMember>(
+        url: string,
+        query: Record<string, string | string[]> = {},
+    ): Promise<T[]> {
+        const res = await api.get<{ member?: T[] }>(
+            url,
+            { pagination: 'false', ...query },
+            { headers: LD_JSON_HEADERS, toast: false },
+        )
+        return res.member ?? []
+    }
+
+    /**
+     * Charge en parallele les referentiels communs (hors distributeurs/courtiers,
+     * charges a la demande selon la relation choisie). Les selects compta ne sont
+     * pertinents que si l'utilisateur a acces a l'onglet, mais le cout est
+     * negligeable et simplifie l'orchestration.
+     */
+    async function loadCommon(): Promise<void> {
+        const [cats, sitesList, tva, delays, types, banksList] = await Promise.all([
+            fetchAll<CategoryMember>('/categories'),
+            fetchAll<SiteMember>('/sites'),
+            fetchAll<ReferentialMember>('/tva_modes'),
+            fetchAll<ReferentialMember>('/payment_delays'),
+            fetchAll<ReferentialMember>('/payment_types'),
+            fetchAll<ReferentialMember>('/banks'),
+        ])
+
+        categories.value = cats.map(c => ({ value: c['@id'], label: c.name, code: c.code }))
+        sites.value = sitesList.map(s => ({ value: s['@id'], label: s.name }))
+        tvaModes.value = tva.map(t => ({ value: t['@id'], label: t.label }))
+        paymentDelays.value = delays.map(d => ({ value: d['@id'], label: d.label }))
+        paymentTypes.value = types.map(t => ({ value: t['@id'], label: t.label, code: t.code }))
+        banks.value = banksList.map(b => ({ value: b['@id'], label: b.label }))
+    }
+
+    /** Liste des clients pouvant etre choisis comme distributeur (code DISTRIBUTEUR). */
+    async function loadDistributors(): Promise<void> {
+        if (distributors.value.length > 0) {
+            return
+        }
+        const clients = await fetchAll<ClientMember>('/clients', { categoryCode: 'DISTRIBUTEUR' })
+        distributors.value = clients.map(c => ({ value: c['@id'], label: c.companyName }))
+    }
+
+    /** Liste des clients pouvant etre choisis comme courtier (code COURTIER). */
+    async function loadBrokers(): Promise<void> {
+        if (brokers.value.length > 0) {
+            return
+        }
+        const clients = await fetchAll<ClientMember>('/clients', { categoryCode: 'COURTIER' })
+        brokers.value = clients.map(c => ({ value: c['@id'], label: c.companyName }))
+    }
+
+    return {
+        categories,
+        sites,
+        tvaModes,
+        paymentDelays,
+        paymentTypes,
+        banks,
+        distributors,
+        brokers,
+        loadCommon,
+        loadDistributors,
+        loadBrokers,
+    }
+}

frontend/modules/commercial/pages/clients/new.vue

@@ -0,0 +1,891 @@
+<template>
+    <div>
+        <PageHeader>{{ t('commercial.clients.form.title') }}</PageHeader>
+
+        <!-- ── Formulaire principal (pre-onglets) ─────────────────────────────
+             Sans validation de ce bloc, les onglets restent inaccessibles. Au
+             succes du POST, les champs passent en lecture seule et on bascule
+             automatiquement sur l'onglet Information. -->
+        <section class="mb-8 rounded-md border border-neutral-200 bg-white p-6">
+            <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+                <MalioInputText
+                    v-model="main.companyName"
+                    :label="t('commercial.clients.form.main.companyName')"
+                    :required="true"
+                    :readonly="mainLocked"
+                />
+                <MalioInputEmail
+                    v-model="main.email"
+                    :label="t('commercial.clients.form.main.email')"
+                    :required="true"
+                    :readonly="mainLocked"
+                />
+                <MalioInputText
+                    v-model="main.lastName"
+                    :label="t('commercial.clients.form.main.lastName')"
+                    :readonly="mainLocked"
+                />
+                <MalioInputText
+                    v-model="main.firstName"
+                    :label="t('commercial.clients.form.main.firstName')"
+                    :readonly="mainLocked"
+                />
+                <MalioInputPhone
+                    v-model="main.phonePrimary"
+                    :label="t('commercial.clients.form.main.phonePrimary')"
+                    :mask="PHONE_MASK"
+                    :required="true"
+                    :readonly="mainLocked"
+                    :addable="!main.hasSecondaryPhone && !mainLocked"
+                    :add-button-label="t('commercial.clients.form.main.addPhone')"
+                    @add="main.hasSecondaryPhone = true"
+                />
+                <MalioInputPhone
+                    v-if="main.hasSecondaryPhone"
+                    v-model="main.phoneSecondary"
+                    :label="t('commercial.clients.form.main.phoneSecondary')"
+                    :mask="PHONE_MASK"
+                    :readonly="mainLocked"
+                />
+                <MalioSelectCheckbox
+                    :model-value="main.categoryIris"
+                    :options="referentials.categories.value"
+                    :label="t('commercial.clients.form.main.categories')"
+                    :display-tag="true"
+                    :disabled="mainLocked"
+                    @update:model-value="(v: (string | number)[]) => main.categoryIris = v.map(String)"
+                />
+                <MalioSelect
+                    :model-value="main.relationType"
+                    :options="relationOptions"
+                    :label="t('commercial.clients.form.main.relation')"
+                    :disabled="mainLocked"
+                    @update:model-value="onRelationChange"
+                />
+                <MalioSelect
+                    v-if="main.relationType === 'distributeur'"
+                    :model-value="main.distributorIri"
+                    :options="referentials.distributors.value"
+                    :label="t('commercial.clients.form.main.distributorName')"
+                    :disabled="mainLocked"
+                    @update:model-value="(v: string | number | null) => main.distributorIri = v === null ? null : String(v)"
+                />
+                <MalioSelect
+                    v-if="main.relationType === 'courtier'"
+                    :model-value="main.brokerIri"
+                    :options="referentials.brokers.value"
+                    :label="t('commercial.clients.form.main.brokerName')"
+                    :disabled="mainLocked"
+                    @update:model-value="(v: string | number | null) => main.brokerIri = v === null ? null : String(v)"
+                />
+            </div>
+
+            <div class="mt-4 flex items-center gap-6">
+                <MalioCheckbox
+                    v-model="main.triageService"
+                    :label="t('commercial.clients.form.main.triageService')"
+                    :readonly="mainLocked"
+                />
+                <MalioButton
+                    v-if="!mainLocked"
+                    class="ml-auto"
+                    variant="primary"
+                    :label="t('commercial.clients.form.submit')"
+                    :disabled="!isMainValid || mainSubmitting"
+                    @click="submitMain"
+                />
+            </div>
+        </section>
+
+        <!-- ── Onglets a validation incrementale ─────────────────────────────-->
+        <MalioTabList v-model="activeTab" :tabs="tabs">
+            <!-- Onglet Information -->
+            <template #information>
+                <div class="rounded-md border border-neutral-200 bg-white p-6">
+                    <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+                        <MalioInputTextArea
+                            v-model="information.description"
+                            :label="t('commercial.clients.form.information.description')"
+                            :disabled="isValidated('information')"
+                            group-class="md:col-span-2"
+                        />
+                        <MalioInputText
+                            v-model="information.competitors"
+                            :label="t('commercial.clients.form.information.competitors')"
+                            :readonly="isValidated('information')"
+                        />
+                        <MalioDate
+                            v-model="information.foundedAt"
+                            :label="t('commercial.clients.form.information.foundedAt')"
+                            :readonly="isValidated('information')"
+                        />
+                        <MalioInputNumber
+                            v-model="information.employeesCount"
+                            :label="t('commercial.clients.form.information.employeesCount')"
+                            min="0"
+                            :disabled="isValidated('information')"
+                        />
+                        <MalioInputText
+                            v-model="information.directorName"
+                            :label="t('commercial.clients.form.information.directorName')"
+                            :readonly="isValidated('information')"
+                        />
+                        <MalioInputAmount
+                            v-model="information.revenueAmount"
+                            :label="t('commercial.clients.form.information.revenueAmount')"
+                            :disabled="isValidated('information')"
+                        />
+                        <MalioInputAmount
+                            v-model="information.profitAmount"
+                            :label="t('commercial.clients.form.information.profitAmount')"
+                            :disabled="isValidated('information')"
+                        />
+                    </div>
+                    <div v-if="!isValidated('information')" class="mt-4 flex justify-end">
+                        <MalioButton
+                            variant="primary"
+                            :label="t('commercial.clients.form.submit')"
+                            :disabled="tabSubmitting"
+                            @click="submitInformation"
+                        />
+                    </div>
+                </div>
+            </template>
+
+            <!-- Onglet Contact -->
+            <template #contact>
+                <div class="flex flex-col gap-4">
+                    <ClientContactBlock
+                        v-for="(contact, index) in contacts"
+                        :key="index"
+                        :model-value="contact"
+                        :title="t('commercial.clients.form.contact.title', { n: index + 1 })"
+                        :removable="index > 0"
+                        :readonly="isValidated('contact')"
+                        @update:model-value="(v) => contacts[index] = v"
+                        @remove="askRemoveContact(index)"
+                    />
+                    <div v-if="!isValidated('contact')" class="flex items-center justify-between">
+                        <MalioButton
+                            variant="secondary"
+                            icon-name="mdi:plus"
+                            icon-position="left"
+                            :label="t('commercial.clients.form.contact.add')"
+                            :disabled="!canAddContact"
+                            @click="addContact"
+                        />
+                        <MalioButton
+                            variant="primary"
+                            :label="t('commercial.clients.form.submit')"
+                            :disabled="!canValidateContacts || tabSubmitting"
+                            @click="submitContacts"
+                        />
+                    </div>
+                </div>
+            </template>
+
+            <!-- Onglet Adresse -->
+            <template #address>
+                <div class="flex flex-col gap-4">
+                    <ClientAddressBlock
+                        v-for="(address, index) in addresses"
+                        :key="index"
+                        :model-value="address"
+                        :title="t('commercial.clients.form.address.title', { n: index + 1 })"
+                        :category-options="addressCategoryOptions"
+                        :site-options="referentials.sites.value"
+                        :contact-options="contactOptions"
+                        :country-options="countryOptions"
+                        :removable="index > 0"
+                        :readonly="isValidated('address')"
+                        @update:model-value="(v) => addresses[index] = v"
+                        @remove="askRemoveAddress(index)"
+                        @degraded="onAddressDegraded"
+                    />
+                    <div v-if="!isValidated('address')" class="flex items-center justify-between">
+                        <MalioButton
+                            variant="secondary"
+                            icon-name="mdi:plus"
+                            icon-position="left"
+                            :label="t('commercial.clients.form.address.add')"
+                            @click="addAddress"
+                        />
+                        <MalioButton
+                            variant="primary"
+                            :label="t('commercial.clients.form.submit')"
+                            :disabled="!canValidateAddresses || tabSubmitting"
+                            @click="submitAddresses"
+                        />
+                    </div>
+                </div>
+            </template>
+
+            <!-- Onglet Comptabilite (present uniquement si accounting.view) -->
+            <template v-if="canAccountingView" #accounting>
+                <div class="flex flex-col gap-4">
+                    <div class="rounded-md border border-neutral-200 bg-white p-6">
+                        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+                            <MalioInputText
+                                v-model="accounting.siren"
+                                :label="t('commercial.clients.form.accounting.siren')"
+                                :mask="SIREN_MASK"
+                                :readonly="accountingReadonly"
+                            />
+                            <MalioInputText
+                                v-model="accounting.accountNumber"
+                                :label="t('commercial.clients.form.accounting.accountNumber')"
+                                :readonly="accountingReadonly"
+                            />
+                            <MalioSelect
+                                :model-value="accounting.tvaModeIri"
+                                :options="referentials.tvaModes.value"
+                                :label="t('commercial.clients.form.accounting.tvaMode')"
+                                :disabled="accountingReadonly"
+                                empty-option-label=""
+                                @update:model-value="(v: string | number | null) => accounting.tvaModeIri = v === null ? null : String(v)"
+                            />
+                            <MalioInputText
+                                v-model="accounting.nTva"
+                                :label="t('commercial.clients.form.accounting.nTva')"
+                                :readonly="accountingReadonly"
+                            />
+                            <MalioSelect
+                                :model-value="accounting.paymentDelayIri"
+                                :options="referentials.paymentDelays.value"
+                                :label="t('commercial.clients.form.accounting.paymentDelay')"
+                                :disabled="accountingReadonly"
+                                empty-option-label=""
+                                @update:model-value="(v: string | number | null) => accounting.paymentDelayIri = v === null ? null : String(v)"
+                            />
+                            <MalioSelect
+                                :model-value="accounting.paymentTypeIri"
+                                :options="referentials.paymentTypes.value"
+                                :label="t('commercial.clients.form.accounting.paymentType')"
+                                :disabled="accountingReadonly"
+                                empty-option-label=""
+                                @update:model-value="onPaymentTypeChange"
+                            />
+                            <MalioSelect
+                                v-if="isBankRequired"
+                                :model-value="accounting.bankIri"
+                                :options="referentials.banks.value"
+                                :label="t('commercial.clients.form.accounting.bank')"
+                                :disabled="accountingReadonly"
+                                empty-option-label=""
+                                @update:model-value="(v: string | number | null) => accounting.bankIri = v === null ? null : String(v)"
+                            />
+                        </div>
+                    </div>
+
+                    <!-- Blocs RIB (0..n) — obligatoires si type de reglement = LCR. -->
+                    <div
+                        v-for="(rib, index) in ribs"
+                        :key="index"
+                        class="rounded-md border border-neutral-200 bg-white p-6"
+                    >
+                        <div class="mb-4 flex items-center justify-between">
+                            <h3 class="text-lg font-bold">{{ t('commercial.clients.form.accounting.ribTitle', { n: index + 1 }) }}</h3>
+                            <!-- ariaLabel via v-bind objet (prop camelCase ; aria-* serait un attribut HTML). -->
+                            <MalioButtonIcon
+                                v-if="!accountingReadonly"
+                                icon="mdi:trash-can-outline"
+                                variant="ghost"
+                                v-bind="{ ariaLabel: t('commercial.clients.form.accounting.removeRib') }"
+                                @click="askRemoveRib(index)"
+                            />
+                        </div>
+                        <div class="grid grid-cols-1 gap-4 md:grid-cols-3">
+                            <MalioInputText
+                                v-model="rib.label"
+                                :label="t('commercial.clients.form.accounting.ribLabel')"
+                                :readonly="accountingReadonly"
+                            />
+                            <MalioInputText
+                                v-model="rib.bic"
+                                :label="t('commercial.clients.form.accounting.ribBic')"
+                                :readonly="accountingReadonly"
+                            />
+                            <MalioInputText
+                                v-model="rib.iban"
+                                :label="t('commercial.clients.form.accounting.ribIban')"
+                                :readonly="accountingReadonly"
+                            />
+                        </div>
+                    </div>
+
+                    <div v-if="!accountingReadonly" class="flex items-center justify-between">
+                        <MalioButton
+                            variant="secondary"
+                            icon-name="mdi:plus"
+                            icon-position="left"
+                            :label="t('commercial.clients.form.accounting.addRib')"
+                            @click="addRib"
+                        />
+                        <MalioButton
+                            variant="primary"
+                            :label="t('commercial.clients.form.submit')"
+                            :disabled="!canValidateAccounting || tabSubmitting"
+                            @click="submitAccounting"
+                        />
+                    </div>
+                </div>
+            </template>
+
+            <!-- Onglets non encore implementes : frame vide, passage automatique. -->
+            <template #transport><TabPlaceholderBlank /></template>
+            <template #statistics><TabPlaceholderBlank /></template>
+            <template #reports><TabPlaceholderBlank /></template>
+            <template #exchanges><TabPlaceholderBlank /></template>
+        </MalioTabList>
+
+        <!-- Modal de confirmation generique (suppression contact/adresse/RIB). -->
+        <MalioModal v-model="confirmModal.open" modal-class="max-w-md">
+            <template #header>
+                <h2 class="text-[24px] font-bold">{{ t('commercial.clients.form.confirmDelete.title') }}</h2>
+            </template>
+            <p>{{ confirmModal.message }}</p>
+            <template #footer>
+                <MalioButton
+                    variant="secondary"
+                    button-class="flex-1"
+                    :label="t('commercial.clients.form.confirmDelete.cancel')"
+                    @click="confirmModal.open = false"
+                />
+                <MalioButton
+                    variant="danger"
+                    button-class="flex-1"
+                    :label="t('commercial.clients.form.confirmDelete.confirm')"
+                    @click="runConfirm"
+                />
+            </template>
+        </MalioModal>
+    </div>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, reactive, ref, watch } from 'vue'
+import { useClientReferentials, type RefOption } from '~/modules/commercial/composables/useClientReferentials'
+import {
+    buildClientFormTabKeys,
+    CLIENT_FORM_PLACEHOLDER_TABS,
+    hasAtLeastOneValidContact,
+    isBankRequiredForPaymentType,
+    isBillingEmailRequired,
+    isContactNamed,
+    isRibRequiredForPaymentType,
+} from '~/modules/commercial/utils/clientFormRules'
+import {
+    emptyAddress,
+    emptyContact,
+    emptyRib,
+    type AddressFormDraft,
+    type ContactFormDraft,
+    type RibFormDraft,
+} from '~/modules/commercial/types/clientForm'
+import { formatPhoneFR } from '~/shared/utils/phone'
+
+// Masques de saisie (la normalisation finale reste serveur).
+const PHONE_MASK = '## ## ## ## ##'
+const SIREN_MASK = '#########'
+
+// Codes de categorie interdits sur une adresse (RG-1.29, ERP-78).
+const FORBIDDEN_ADDRESS_CATEGORY_CODES = ['DISTRIBUTEUR', 'COURTIER']
+
+const { t } = useI18n()
+const api = useApi()
+const toast = useToast()
+const { can } = usePermissions()
+
+useHead({ title: t('commercial.clients.form.title') })
+
+// Gating de la route : la creation est reservee a `manage`. Compta (accounting
+// seul) et Usine sont rediriges vers le repertoire (cf. §0 du ticket).
+if (!can('commercial.clients.manage')) {
+    await navigateTo('/clients')
+}
+
+const canAccountingView = computed(() => can('commercial.clients.accounting.view'))
+const canAccountingManage = computed(() => can('commercial.clients.accounting.manage'))
+
+const referentials = useClientReferentials()
+
+// ── Etat du client cree ────────────────────────────────────────────────────
+const clientId = ref<number | null>(null)
+const mainLocked = ref(false)
+const mainSubmitting = ref(false)
+const tabSubmitting = ref(false)
+
+// ── Formulaire principal ────────────────────────────────────────────────────
+const main = reactive({
+    companyName: null as string | null,
+    firstName: null as string | null,
+    lastName: null as string | null,
+    email: null as string | null,
+    phonePrimary: null as string | null,
+    phoneSecondary: null as string | null,
+    hasSecondaryPhone: false,
+    categoryIris: [] as string[],
+    relationType: 'aucun' as 'aucun' | 'distributeur' | 'courtier',
+    distributorIri: null as string | null,
+    brokerIri: null as string | null,
+    triageService: false,
+})
+
+const relationOptions = computed<RefOption[]>(() => [
+    { value: 'aucun', label: t('commercial.clients.form.main.relationNone') },
+    { value: 'distributeur', label: t('commercial.clients.form.main.relationDistributor') },
+    { value: 'courtier', label: t('commercial.clients.form.main.relationBroker') },
+])
+
+// RG-1.01 : firstName OU lastName, + companyName / email / phonePrimary requis.
+const isMainValid = computed(() => {
+    const filled = (v: string | null) => v !== null && v.trim() !== ''
+    return filled(main.companyName)
+        && filled(main.email)
+        && filled(main.phonePrimary)
+        && (filled(main.firstName) || filled(main.lastName))
+})
+
+async function onRelationChange(value: string | number | null): Promise<void> {
+    const relation = String(value ?? 'aucun') as typeof main.relationType
+    main.relationType = relation
+    // Reinitialise la FK non concernee (une seule remplie a la fois, RG-1.03).
+    if (relation !== 'distributeur') main.distributorIri = null
+    if (relation !== 'courtier') main.brokerIri = null
+
+    if (relation === 'distributeur') await referentials.loadDistributors()
+    if (relation === 'courtier') await referentials.loadBrokers()
+}
+
+/** POST /clients (groupe client:write:main). Au succes : verrouille + bascule Information. */
+async function submitMain(): Promise<void> {
+    if (!isMainValid.value || mainSubmitting.value) return
+    mainSubmitting.value = true
+    try {
+        const payload: Record<string, unknown> = {
+            companyName: main.companyName,
+            firstName: main.firstName || null,
+            lastName: main.lastName || null,
+            email: main.email,
+            phonePrimary: main.phonePrimary,
+            phoneSecondary: main.hasSecondaryPhone ? (main.phoneSecondary || null) : null,
+            categories: main.categoryIris,
+            distributor: main.relationType === 'distributeur' ? main.distributorIri : null,
+            broker: main.relationType === 'courtier' ? main.brokerIri : null,
+            triageService: main.triageService,
+        }
+        const created = await api.post<ClientResponse>('/clients', payload, {
+            headers: { Accept: 'application/ld+json' },
+            toast: false,
+        })
+
+        clientId.value = created.id
+        // Reaffiche les valeurs normalisees renvoyees par le serveur.
+        main.companyName = created.companyName ?? main.companyName
+        main.firstName = created.firstName ?? null
+        main.lastName = created.lastName ?? null
+        main.email = created.email ?? main.email
+        main.phonePrimary = formatPhoneFR(created.phonePrimary) || main.phonePrimary
+        main.phoneSecondary = formatPhoneFR(created.phoneSecondary) || null
+
+        // Pre-remplit le 1er contact a partir du formulaire principal (editable).
+        prefillFirstContact()
+
+        mainLocked.value = true
+        unlockedIndex.value = 0
+        activeTab.value = 'information'
+        toast.success({ title: t('commercial.clients.toast.createSuccess') })
+    }
+    catch (error) {
+        // 409 = doublon nom de societe (RG d'unicite) → message explicite.
+        const status = (error as { response?: { status?: number } })?.response?.status
+        toast.error({
+            title: t('commercial.clients.toast.error'),
+            message: status === 409 ? t('commercial.clients.form.duplicateCompany') : undefined,
+        })
+    }
+    finally {
+        mainSubmitting.value = false
+    }
+}
+
+// ── Onglets : ordre + gating progressif ─────────────────────────────────────
+const activeTab = ref('information')
+// Index du dernier onglet deverrouille (-1 tant que le client n'est pas cree).
+const unlockedIndex = ref(-1)
+// Onglets valides (passent en lecture seule).
+const validated = reactive<Record<string, boolean>>({})
+
+const tabKeys = computed(() => buildClientFormTabKeys(canAccountingView.value))
+
+const tabs = computed(() => tabKeys.value.map((key, index) => ({
+    key,
+    label: t(`commercial.clients.tab.${key}`),
+    disabled: index > unlockedIndex.value,
+})))
+
+function isValidated(key: string): boolean {
+    return validated[key] === true
+}
+
+function tabIndex(key: string): number {
+    return tabKeys.value.indexOf(key)
+}
+
+/** Marque l'onglet valide, deverrouille et avance automatiquement au suivant. */
+function completeTab(key: string): void {
+    validated[key] = true
+    const next = tabKeys.value[tabIndex(key) + 1]
+    unlockedIndex.value = Math.max(unlockedIndex.value, tabIndex(key) + 1)
+    if (next) activeTab.value = next
+}
+
+// Passage automatique sur les onglets coquille (Transport, Stats, Rapports, Echanges).
+watch(activeTab, (key) => {
+    if ((CLIENT_FORM_PLACEHOLDER_TABS as readonly string[]).includes(key)) {
+        const next = tabKeys.value[tabIndex(key) + 1]
+        unlockedIndex.value = Math.max(unlockedIndex.value, tabIndex(key) + 1)
+        if (next) activeTab.value = next
+    }
+})
+
+// ── Onglet Information ──────────────────────────────────────────────────────
+const information = reactive({
+    description: null as string | null,
+    competitors: null as string | null,
+    foundedAt: null as string | null,
+    employeesCount: null as string | null,
+    revenueAmount: null as string | null,
+    profitAmount: null as string | null,
+    directorName: null as string | null,
+})
+
+/** PATCH /clients/{id} — mode strict : uniquement les champs du groupe information. */
+async function submitInformation(): Promise<void> {
+    if (clientId.value === null || tabSubmitting.value) return
+    tabSubmitting.value = true
+    try {
+        await api.patch(`/clients/${clientId.value}`, {
+            description: information.description || null,
+            competitors: information.competitors || null,
+            foundedAt: information.foundedAt || null,
+            employeesCount: information.employeesCount ? Number(information.employeesCount) : null,
+            revenueAmount: information.revenueAmount || null,
+            profitAmount: information.profitAmount || null,
+            directorName: information.directorName || null,
+        }, { toast: false })
+        completeTab('information')
+        toast.success({ title: t('commercial.clients.toast.updateSuccess') })
+    }
+    catch {
+        toast.error({ title: t('commercial.clients.toast.error') })
+    }
+    finally {
+        tabSubmitting.value = false
+    }
+}
+
+// ── Onglet Contact ──────────────────────────────────────────────────────────
+const contacts = ref<ContactFormDraft[]>([emptyContact()])
+
+/** Pre-remplit le 1er contact depuis le formulaire principal (apres creation). */
+function prefillFirstContact(): void {
+    const first = contacts.value[0]
+    if (!first) return
+    first.lastName = main.lastName
+    first.firstName = main.firstName
+    first.email = main.email
+    first.phonePrimary = main.phonePrimary
+}
+
+// « + Nouveau contact » desactive tant que le dernier bloc n'a ni nom ni prenom.
+const canAddContact = computed(() => {
+    const last = contacts.value[contacts.value.length - 1]
+    return last !== undefined && isContactNamed(last)
+})
+
+// RG-1.14 : au moins un contact nomme pour finaliser l'onglet.
+const canValidateContacts = computed(() => hasAtLeastOneValidContact(contacts.value))
+
+function addContact(): void {
+    if (canAddContact.value) contacts.value.push(emptyContact())
+}
+
+function askRemoveContact(index: number): void {
+    askConfirm(t('commercial.clients.form.confirmDelete.contact'), () => {
+        contacts.value.splice(index, 1)
+    })
+}
+
+/** POST/PATCH des contacts sur la sous-ressource /clients/{id}/contacts. */
+async function submitContacts(): Promise<void> {
+    if (clientId.value === null || !canValidateContacts.value || tabSubmitting.value) return
+    tabSubmitting.value = true
+    try {
+        for (const contact of contacts.value) {
+            // On ignore les blocs totalement vides (ni nom ni prenom).
+            if (!isContactNamed(contact)) continue
+
+            const body = {
+                firstName: contact.firstName || null,
+                lastName: contact.lastName || null,
+                jobTitle: contact.jobTitle || null,
+                phonePrimary: contact.phonePrimary || null,
+                phoneSecondary: contact.hasSecondaryPhone ? (contact.phoneSecondary || null) : null,
+                email: contact.email || null,
+            }
+
+            if (contact.id === null) {
+                const created = await api.post<ContactResponse>(
+                    `/clients/${clientId.value}/contacts`,
+                    body,
+                    { headers: { Accept: 'application/ld+json' }, toast: false },
+                )
+                contact.id = created.id
+                contact.iri = created['@id'] ?? null
+            }
+            else {
+                await api.patch(`/client_contacts/${contact.id}`, body, { toast: false })
+            }
+        }
+        completeTab('contact')
+        toast.success({ title: t('commercial.clients.toast.updateSuccess') })
+    }
+    catch {
+        toast.error({ title: t('commercial.clients.toast.error') })
+    }
+    finally {
+        tabSubmitting.value = false
+    }
+}
+
+// ── Onglet Adresse ──────────────────────────────────────────────────────────
+const addresses = ref<AddressFormDraft[]>([emptyAddress()])
+const addressDegradedNotified = ref(false)
+
+// Categories autorisees sur une adresse : toutes SAUF DISTRIBUTEUR/COURTIER (RG-1.29).
+const addressCategoryOptions = computed(() =>
+    referentials.categories.value.filter(c => !FORBIDDEN_ADDRESS_CATEGORY_CODES.includes(c.code)),
+)
+
+// Contacts deja crees, rattachables a une adresse (M2M, via leur IRI).
+const contactOptions = computed<RefOption[]>(() =>
+    contacts.value
+        .filter(c => c.iri !== null)
+        .map(c => ({
+            value: c.iri as string,
+            label: [c.firstName, c.lastName].filter(Boolean).join(' ') || (c.email ?? ''),
+        })),
+)
+
+// France par defaut au M1 (liste pays minimale ; a etendre quand le besoin viendra).
+const countryOptions: RefOption[] = [{ value: 'France', label: 'France' }]
+
+// RG-1.10 (>= 1 site) + RG-1.11 (email facturation si Facturation) sur chaque adresse.
+const canValidateAddresses = computed(() =>
+    addresses.value.length > 0
+    && addresses.value.every((a) => {
+        const filledBillingEmail = a.billingEmail !== null && a.billingEmail.trim() !== ''
+        return a.siteIris.length >= 1 && (!isBillingEmailRequired(a) || filledBillingEmail)
+    }),
+)
+
+function addAddress(): void {
+    addresses.value.push(emptyAddress())
+}
+
+function askRemoveAddress(index: number): void {
+    askConfirm(t('commercial.clients.form.confirmDelete.address'), () => {
+        addresses.value.splice(index, 1)
+    })
+}
+
+/** Avertit une seule fois quand l'autocompletion d'adresse bascule en degrade. */
+function onAddressDegraded(): void {
+    if (addressDegradedNotified.value) return
+    addressDegradedNotified.value = true
+    toast.warning({
+        title: t('commercial.clients.toast.error'),
+        message: t('commercial.clients.form.address.degraded'),
+    })
+}
+
+/** POST des adresses sur la sous-ressource /clients/{id}/addresses. */
+async function submitAddresses(): Promise<void> {
+    if (clientId.value === null || !canValidateAddresses.value || tabSubmitting.value) return
+    tabSubmitting.value = true
+    try {
+        for (const address of addresses.value) {
+            const body = {
+                isProspect: address.isProspect,
+                isDelivery: address.isDelivery,
+                isBilling: address.isBilling,
+                country: address.country,
+                postalCode: address.postalCode || null,
+                city: address.city || null,
+                street: address.street || null,
+                streetComplement: address.streetComplement || null,
+                categories: address.categoryIris,
+                sites: address.siteIris,
+                contacts: address.contactIris,
+                billingEmail: isBillingEmailRequired(address) ? (address.billingEmail || null) : null,
+            }
+
+            if (address.id === null) {
+                const created = await api.post<{ id: number }>(
+                    `/clients/${clientId.value}/addresses`,
+                    body,
+                    { headers: { Accept: 'application/ld+json' }, toast: false },
+                )
+                address.id = created.id
+            }
+            else {
+                await api.patch(`/client_addresses/${address.id}`, body, { toast: false })
+            }
+        }
+        completeTab('address')
+        toast.success({ title: t('commercial.clients.toast.updateSuccess') })
+    }
+    catch {
+        toast.error({ title: t('commercial.clients.toast.error') })
+    }
+    finally {
+        tabSubmitting.value = false
+    }
+}
+
+// ── Onglet Comptabilite ─────────────────────────────────────────────────────
+const accounting = reactive({
+    siren: null as string | null,
+    accountNumber: null as string | null,
+    tvaModeIri: null as string | null,
+    nTva: null as string | null,
+    paymentDelayIri: null as string | null,
+    paymentTypeIri: null as string | null,
+    bankIri: null as string | null,
+})
+const ribs = ref<RibFormDraft[]>([])
+
+// L'onglet est editable seulement avec accounting.manage (sinon lecture seule).
+const accountingReadonly = computed(() => isValidated('accounting') || !canAccountingManage.value)
+
+// Code du type de reglement selectionne (pour RG-1.12 / RG-1.13).
+const selectedPaymentTypeCode = computed(() =>
+    referentials.paymentTypes.value.find(p => p.value === accounting.paymentTypeIri)?.code ?? null,
+)
+const isBankRequired = computed(() => isBankRequiredForPaymentType(selectedPaymentTypeCode.value))
+const isRibRequired = computed(() => isRibRequiredForPaymentType(selectedPaymentTypeCode.value))
+
+function onPaymentTypeChange(value: string | number | null): void {
+    accounting.paymentTypeIri = value === null ? null : String(value)
+    // La banque n'a de sens que pour un virement : on la vide sinon (RG-1.12).
+    if (!isBankRequired.value) accounting.bankIri = null
+}
+
+function ribIsComplete(rib: RibFormDraft): boolean {
+    const filled = (v: string | null) => v !== null && v.trim() !== ''
+    return filled(rib.label) && filled(rib.bic) && filled(rib.iban)
+}
+
+// RG-1.12 : banque requise si VIREMENT. RG-1.13 : >= 1 RIB complet si LCR.
+const canValidateAccounting = computed(() => {
+    if (isBankRequired.value && (accounting.bankIri === null)) return false
+    if (isRibRequired.value && !ribs.value.some(ribIsComplete)) return false
+    return true
+})
+
+function addRib(): void {
+    ribs.value.push(emptyRib())
+}
+
+function askRemoveRib(index: number): void {
+    askConfirm(t('commercial.clients.form.confirmDelete.rib'), () => {
+        ribs.value.splice(index, 1)
+    })
+}
+
+/**
+ * Valide l'onglet Comptabilite : PATCH des scalaires (groupe client:write:accounting)
+ * PUIS POST des RIB sur /clients/{id}/ribs. Deux appels distincts (mode strict
+ * RG-1.28 : il n'existe pas d'endpoint /accounting, cf. recon back).
+ */
+async function submitAccounting(): Promise<void> {
+    if (clientId.value === null || !canValidateAccounting.value || tabSubmitting.value) return
+    tabSubmitting.value = true
+    try {
+        await api.patch(`/clients/${clientId.value}`, {
+            siren: accounting.siren || null,
+            accountNumber: accounting.accountNumber || null,
+            tvaMode: accounting.tvaModeIri,
+            nTva: accounting.nTva || null,
+            paymentDelay: accounting.paymentDelayIri,
+            paymentType: accounting.paymentTypeIri,
+            bank: isBankRequired.value ? accounting.bankIri : null,
+        }, { toast: false })
+
+        for (const rib of ribs.value) {
+            if (!ribIsComplete(rib)) continue
+            if (rib.id === null) {
+                const created = await api.post<{ id: number }>(
+                    `/clients/${clientId.value}/ribs`,
+                    { label: rib.label, bic: rib.bic, iban: rib.iban },
+                    { headers: { Accept: 'application/ld+json' }, toast: false },
+                )
+                rib.id = created.id
+            }
+            else {
+                await api.patch(`/client_ribs/${rib.id}`, { label: rib.label, bic: rib.bic, iban: rib.iban }, { toast: false })
+            }
+        }
+
+        completeTab('accounting')
+        toast.success({ title: t('commercial.clients.toast.updateSuccess') })
+    }
+    catch {
+        toast.error({ title: t('commercial.clients.toast.error') })
+    }
+    finally {
+        tabSubmitting.value = false
+    }
+}
+
+// ── Modal de confirmation generique ─────────────────────────────────────────
+const confirmModal = reactive({
+    open: false,
+    message: '',
+    action: null as null | (() => void),
+})
+
+function askConfirm(message: string, action: () => void): void {
+    confirmModal.message = message
+    confirmModal.action = action
+    confirmModal.open = true
+}
+
+function runConfirm(): void {
+    confirmModal.action?.()
+    confirmModal.action = null
+    confirmModal.open = false
+}
+
+// ── Types de reponse API ────────────────────────────────────────────────────
+interface ClientResponse {
+    id: number
+    companyName: string | null
+    firstName: string | null
+    lastName: string | null
+    email: string | null
+    phonePrimary: string | null
+    phoneSecondary: string | null
+}
+
+interface ContactResponse {
+    '@id'?: string
+    id: number
+}
+
+onMounted(() => {
+    // Echec du chargement des referentiels non bloquant : les selects restent vides.
+    referentials.loadCommon().catch(() => {})
+})
+</script>

frontend/modules/commercial/types/clientForm.ts

@@ -0,0 +1,98 @@
+/**
+ * Types « brouillon » de l'ecran « Ajouter un client » (M1 Commercial).
+ *
+ * Ces interfaces decrivent l'etat LOCAL du formulaire (refs Vue), distinct des
+ * DTO de l'API : elles portent en plus des champs purement UI (`hasSecondaryPhone`)
+ * et l'`iri` Hydra des entites creees (necessaire pour rattacher une adresse a
+ * des contacts deja persistes, M2M). Partage par la page et les blocs reutilisables
+ * `ClientContactBlock` / `ClientAddressBlock` (reutilises par 1.11/1.12).
+ */
+
+/** Un contact du client (onglet Contact). */
+export interface ContactFormDraft {
+    /** Id serveur une fois le contact cree (null tant que non persiste). */
+    id: number | null
+    /** IRI Hydra du contact cree — utilise pour le rattachement M2M cote adresse. */
+    iri: string | null
+    firstName: string | null
+    lastName: string | null
+    jobTitle: string | null
+    phonePrimary: string | null
+    phoneSecondary: string | null
+    email: string | null
+    /** UI : le 2e numero a ete revele via le bouton « + ». */
+    hasSecondaryPhone: boolean
+}
+
+/** Une adresse du client (onglet Adresse). */
+export interface AddressFormDraft {
+    id: number | null
+    isProspect: boolean
+    isDelivery: boolean
+    isBilling: boolean
+    country: string
+    postalCode: string | null
+    city: string | null
+    street: string | null
+    streetComplement: string | null
+    /** IRI des categories rattachees (hors DISTRIBUTEUR/COURTIER — RG-1.29). */
+    categoryIris: string[]
+    /** IRI des sites Starseed rattaches (>= 1 obligatoire — RG-1.10). */
+    siteIris: string[]
+    /** IRI des contacts rattaches (= blocs Contact deja crees). */
+    contactIris: string[]
+    /** Email de facturation (obligatoire si isBilling — RG-1.11). */
+    billingEmail: string | null
+}
+
+/** Un RIB du client (onglet Comptabilite). */
+export interface RibFormDraft {
+    id: number | null
+    label: string | null
+    bic: string | null
+    iban: string | null
+}
+
+/** Fabrique un contact vierge. */
+export function emptyContact(): ContactFormDraft {
+    return {
+        id: null,
+        iri: null,
+        firstName: null,
+        lastName: null,
+        jobTitle: null,
+        phonePrimary: null,
+        phoneSecondary: null,
+        email: null,
+        hasSecondaryPhone: false,
+    }
+}
+
+/** Fabrique une adresse vierge (pays prerempli « France »). */
+export function emptyAddress(): AddressFormDraft {
+    return {
+        id: null,
+        isProspect: false,
+        isDelivery: false,
+        isBilling: false,
+        country: 'France',
+        postalCode: null,
+        city: null,
+        street: null,
+        streetComplement: null,
+        categoryIris: [],
+        siteIris: [],
+        contactIris: [],
+        billingEmail: null,
+    }
+}
+
+/** Fabrique un RIB vierge. */
+export function emptyRib(): RibFormDraft {
+    return {
+        id: null,
+        label: null,
+        bic: null,
+        iban: null,
+    }
+}

frontend/modules/commercial/utils/__tests__/clientFormRules.spec.ts

@@ -0,0 +1,144 @@
+import { describe, it, expect } from 'vitest'
+import {
+    applyProspectExclusivity,
+    buildClientFormTabKeys,
+    canSelectDeliveryOrBilling,
+    canSelectProspect,
+    hasAtLeastOneValidContact,
+    isBankRequiredForPaymentType,
+    isBillingEmailRequired,
+    isContactNamed,
+    isRibRequiredForPaymentType,
+    type ContactDraft,
+} from '../clientFormRules'
+
+describe('buildClientFormTabKeys (gating onglet Comptabilite)', () => {
+    it('inclut l onglet accounting si l utilisateur a accounting.view', () => {
+        expect(buildClientFormTabKeys(true)).toContain('accounting')
+    })
+
+    it('exclut l onglet accounting sinon (Bureau / Commerciale)', () => {
+        expect(buildClientFormTabKeys(false)).not.toContain('accounting')
+    })
+
+    it('place accounting entre transport et statistics quand present', () => {
+        const keys = buildClientFormTabKeys(true)
+        expect(keys).toEqual([
+            'information',
+            'contact',
+            'address',
+            'transport',
+            'accounting',
+            'statistics',
+            'reports',
+            'exchanges',
+        ])
+    })
+})
+
+describe('isContactNamed (RG-1.05)', () => {
+    it('vrai si le prenom est renseigne', () => {
+        expect(isContactNamed({ firstName: 'Alice', lastName: null })).toBe(true)
+    })
+
+    it('vrai si le nom est renseigne', () => {
+        expect(isContactNamed({ firstName: null, lastName: 'Martin' })).toBe(true)
+    })
+
+    it('faux si les deux sont vides ou espaces uniquement', () => {
+        expect(isContactNamed({ firstName: null, lastName: null })).toBe(false)
+        expect(isContactNamed({ firstName: '  ', lastName: '' })).toBe(false)
+    })
+})
+
+describe('hasAtLeastOneValidContact (RG-1.14)', () => {
+    it('faux sur une liste vide', () => {
+        expect(hasAtLeastOneValidContact([])).toBe(false)
+    })
+
+    it('faux si aucun contact n a de nom ni prenom', () => {
+        const contacts: ContactDraft[] = [
+            { firstName: null, lastName: null },
+            { firstName: '', lastName: '  ' },
+        ]
+        expect(hasAtLeastOneValidContact(contacts)).toBe(false)
+    })
+
+    it('vrai des qu un contact a un nom ou un prenom', () => {
+        const contacts: ContactDraft[] = [
+            { firstName: null, lastName: null },
+            { firstName: 'Bob', lastName: null },
+        ]
+        expect(hasAtLeastOneValidContact(contacts)).toBe(true)
+    })
+})
+
+describe('exclusivite Prospect / Livraison / Facturation (RG-1.06/07/08)', () => {
+    it('Prospect est selectionnable tant que ni Livraison ni Facturation', () => {
+        expect(canSelectProspect({ isProspect: false, isDelivery: false, isBilling: false })).toBe(true)
+        expect(canSelectProspect({ isProspect: false, isDelivery: true, isBilling: false })).toBe(false)
+        expect(canSelectProspect({ isProspect: false, isDelivery: false, isBilling: true })).toBe(false)
+    })
+
+    it('Livraison / Facturation selectionnables tant que pas Prospect', () => {
+        expect(canSelectDeliveryOrBilling({ isProspect: false, isDelivery: false, isBilling: false })).toBe(true)
+        expect(canSelectDeliveryOrBilling({ isProspect: true, isDelivery: false, isBilling: false })).toBe(false)
+    })
+
+    it('cocher Prospect efface Livraison et Facturation', () => {
+        const next = applyProspectExclusivity(
+            { isProspect: false, isDelivery: true, isBilling: true },
+            'isProspect',
+            true,
+        )
+        expect(next).toEqual({ isProspect: true, isDelivery: false, isBilling: false })
+    })
+
+    it('cocher Livraison efface Prospect', () => {
+        const next = applyProspectExclusivity(
+            { isProspect: true, isDelivery: false, isBilling: false },
+            'isDelivery',
+            true,
+        )
+        expect(next).toEqual({ isProspect: false, isDelivery: true, isBilling: false })
+    })
+
+    it('cocher Facturation efface Prospect mais conserve Livraison', () => {
+        const next = applyProspectExclusivity(
+            { isProspect: true, isDelivery: true, isBilling: false },
+            'isBilling',
+            true,
+        )
+        expect(next).toEqual({ isProspect: false, isDelivery: true, isBilling: true })
+    })
+
+    it('decocher un drapeau ne reactive rien d autre', () => {
+        const next = applyProspectExclusivity(
+            { isProspect: false, isDelivery: true, isBilling: true },
+            'isBilling',
+            false,
+        )
+        expect(next).toEqual({ isProspect: false, isDelivery: true, isBilling: false })
+    })
+})
+
+describe('isBillingEmailRequired (RG-1.11)', () => {
+    it('obligatoire uniquement si Facturation est coche', () => {
+        expect(isBillingEmailRequired({ isProspect: false, isDelivery: false, isBilling: true })).toBe(true)
+        expect(isBillingEmailRequired({ isProspect: false, isDelivery: true, isBilling: false })).toBe(false)
+    })
+})
+
+describe('regles type de reglement (RG-1.12 / RG-1.13)', () => {
+    it('banque obligatoire si VIREMENT', () => {
+        expect(isBankRequiredForPaymentType('VIREMENT')).toBe(true)
+        expect(isBankRequiredForPaymentType('LCR')).toBe(false)
+        expect(isBankRequiredForPaymentType(null)).toBe(false)
+    })
+
+    it('RIB obligatoire si LCR', () => {
+        expect(isRibRequiredForPaymentType('LCR')).toBe(true)
+        expect(isRibRequiredForPaymentType('VIREMENT')).toBe(false)
+        expect(isRibRequiredForPaymentType(null)).toBe(false)
+    })
+})

frontend/modules/commercial/utils/clientFormRules.ts

@@ -0,0 +1,143 @@
+/**
+ * Regles metier pures de l'ecran « Ajouter un client » (M1 Commercial).
+ *
+ * Centralisees ici (hors composant) pour rester testables unitairement et
+ * partagees entre la page de creation et les futurs ecrans d'edition (1.11/1.12).
+ * Ces helpers ne touchent ni a l'API ni a l'etat reactif : ils prennent des
+ * brouillons « plats » et retournent des booleens / nouveaux objets.
+ *
+ * Le back reste la source de verite (les RG sont re-validees serveur) ; ces
+ * regles ne servent qu'au feedback UI immediat (gating de boutons, visibilite).
+ *
+ * NOTE RG-1.04 (Information obligatoire pour la Commerciale) : volontairement
+ * NON miroite cote front pour l'instant. Le payload /api/me ne porte pas le code
+ * de role (roles = IRIs opaques) et Bureau partage les memes permissions que
+ * Commerciale : aucun signal fiable pour distinguer le role cote front. Le back
+ * (ClientProcessor, via BusinessRoleAware) applique la regle de maniere fiable ;
+ * a rebrancher ici des qu'un code de role sera expose dans /api/me.
+ */
+
+/**
+ * Onglets « coquille » (non encore implementes) : frame vide, passage
+ * automatique a l'onglet suivant (decision Tristan 28/05).
+ */
+export const CLIENT_FORM_PLACEHOLDER_TABS = ['transport', 'statistics', 'reports', 'exchanges'] as const
+
+/**
+ * Construit l'ordre des onglets de l'ecran « Ajouter un client ». L'onglet
+ * Comptabilite n'est present que si l'utilisateur a `accounting.view` — sinon il
+ * est totalement absent (Bureau / Commerciale ne le voient pas). Ordre aligne
+ * sur la spec M1 § Ecran « Ajouter un client ».
+ */
+export function buildClientFormTabKeys(canAccountingView: boolean): string[] {
+    const keys = ['information', 'contact', 'address', 'transport']
+    if (canAccountingView) {
+        keys.push('accounting')
+    }
+    keys.push('statistics', 'reports', 'exchanges')
+    return keys
+}
+
+/** Sous-ensemble d'un contact necessaire aux regles de nommage (RG-1.05/1.14). */
+export interface ContactDraft {
+    firstName: string | null
+    lastName: string | null
+}
+
+/** Drapeaux d'usage d'une adresse (RG-1.06/07/08/11). */
+export interface AddressFlagsDraft {
+    isProspect: boolean
+    isDelivery: boolean
+    isBilling: boolean
+}
+
+/** Vrai si une chaine porte au moins un caractere non-espace. */
+function isFilled(value: string | null | undefined): boolean {
+    return value !== null && value !== undefined && value.trim() !== ''
+}
+
+/**
+ * RG-1.05 : un contact est valide des qu'il porte un nom OU un prenom.
+ */
+export function isContactNamed(contact: ContactDraft): boolean {
+    return isFilled(contact.firstName) || isFilled(contact.lastName)
+}
+
+/**
+ * RG-1.14 : l'onglet Contact ne peut etre finalise que s'il reste au moins un
+ * contact nomme (nom ou prenom).
+ */
+export function hasAtLeastOneValidContact(contacts: ContactDraft[]): boolean {
+    return contacts.some(isContactNamed)
+}
+
+/**
+ * RG-1.06/07/08 : une adresse de prospection est exclusive d'une adresse de
+ * livraison/facturation. Prospect n'est selectionnable que si ni Livraison ni
+ * Facturation ne sont coches.
+ */
+export function canSelectProspect(flags: AddressFlagsDraft): boolean {
+    return !flags.isDelivery && !flags.isBilling
+}
+
+/**
+ * RG-1.06/07/08 : Livraison et Facturation ne sont selectionnables que si
+ * Prospect n'est pas coche.
+ */
+export function canSelectDeliveryOrBilling(flags: AddressFlagsDraft): boolean {
+    return !flags.isProspect
+}
+
+/**
+ * Applique l'exclusivite Prospect / (Livraison|Facturation) au changement d'un
+ * drapeau. Cocher Prospect efface Livraison + Facturation ; cocher Livraison ou
+ * Facturation efface Prospect. Decocher n'a aucun effet de bord. Retourne un
+ * nouvel objet (pas de mutation de l'entree).
+ */
+export function applyProspectExclusivity(
+    flags: AddressFlagsDraft,
+    field: keyof AddressFlagsDraft,
+    value: boolean,
+): AddressFlagsDraft {
+    const next: AddressFlagsDraft = { ...flags, [field]: value }
+
+    if (value && field === 'isProspect') {
+        next.isDelivery = false
+        next.isBilling = false
+    }
+    else if (value && (field === 'isDelivery' || field === 'isBilling')) {
+        next.isProspect = false
+    }
+
+    return next
+}
+
+/**
+ * RG-1.11 : l'email de facturation n'est visible/obligatoire que si l'adresse
+ * est une adresse de facturation.
+ */
+export function isBillingEmailRequired(flags: AddressFlagsDraft): boolean {
+    return flags.isBilling
+}
+
+/** Code stable du type de reglement « virement » (cf. PaymentType.code, RG-1.12). */
+const PAYMENT_TYPE_TRANSFER = 'VIREMENT'
+
+/** Code stable du type de reglement « lettre de change » (RG-1.13). */
+const PAYMENT_TYPE_LCR = 'LCR'
+
+/**
+ * RG-1.12 : la banque est obligatoire lorsque le type de reglement est un
+ * virement.
+ */
+export function isBankRequiredForPaymentType(code: string | null | undefined): boolean {
+    return code === PAYMENT_TYPE_TRANSFER
+}
+
+/**
+ * RG-1.13 : au moins un RIB complet est obligatoire lorsque le type de reglement
+ * est une LCR.
+ */
+export function isRibRequiredForPaymentType(code: string | null | undefined): boolean {
+    return code === PAYMENT_TYPE_LCR
+}

frontend/shared/composables/useAddressAutocomplete.ts

@@ -0,0 +1,60 @@
+// STUB ERP-63 — remplacé par l'implémentation BAN d'ERP-66.
+//
+// Ce fichier appartient fonctionnellement à ERP-66 (#66). ERP-63 n'en livre
+// qu'un STUB pour ne pas se bloquer : la vraie implémentation (appels
+// api-adresse.data.gouv.fr) viendra remplacer le CORPS des deux méthodes SANS
+// changer leur signature ni l'usage côté composant.
+//
+// Contrat figé par ERP-66 (c'est lui qui fait foi) :
+//   searchCity(postalCode)       -> liste { city, postalCode }
+//   searchAddress(query, cp?)    -> liste { label, street, postalCode, city }
+//   En cas d'erreur/timeout, la méthode THROW. Le composant catch l'erreur,
+//   affiche un toast d'avertissement et bascule en saisie libre (MalioInputText).
+//
+// Comportement du stub : les deux méthodes throw systématiquement → l'onglet
+// Adresse part directement en mode dégradé (Ville + Adresse en saisie libre,
+// Code postal saisi manuellement). Aucun appel réseau n'est émis ici.
+
+/** Une suggestion de ville renvoyée à partir d'un code postal. */
+export interface CitySuggestion {
+    city: string
+    postalCode: string
+}
+
+/** Une suggestion d'adresse complète (saisie assistée du champ « Adresse »). */
+export interface AddressSuggestion {
+    label: string
+    street: string
+    postalCode: string
+    city: string
+}
+
+export interface AddressAutocomplete {
+    searchCity(postalCode: string): Promise<CitySuggestion[]>
+    searchAddress(query: string, postalCode?: string): Promise<AddressSuggestion[]>
+}
+
+/** Erreur signalant que le service d'autocomplétion BAN n'est pas disponible. */
+export class AddressAutocompleteUnavailableError extends Error {
+    constructor() {
+        // Message technique (non affiché tel quel) : le composant remonte son
+        // propre libellé i18n. Sert au debug / aux logs uniquement.
+        super('Address autocomplete (BAN) is not available yet — ERP-66 stub.')
+        this.name = 'AddressAutocompleteUnavailableError'
+    }
+}
+
+/**
+ * STUB : renvoie un composable conforme au contrat ERP-66 dont les méthodes
+ * échouent toujours, forçant le mode dégradé côté onglet Adresse.
+ */
+export function useAddressAutocomplete(): AddressAutocomplete {
+    return {
+        async searchCity(_postalCode: string): Promise<CitySuggestion[]> {
+            throw new AddressAutocompleteUnavailableError()
+        },
+        async searchAddress(_query: string, _postalCode?: string): Promise<AddressSuggestion[]> {
+            throw new AddressAutocompleteUnavailableError()
+        },
+    }
+}