feat(api-detail): isCurrent + setCurrent + màj doc et seeder

- Shared types : ajout isCurrent sur ApiEntry et ApiEntryListItem
- Backend entity : colonne is_current (boolean, default true)
- Backend service : isCurrent calculé à la création, setCurrent()
  marque une version comme courante (siblings → false)
- Backend controller : POST /api/apis/:id/set-current
- Frontend ApiService : méthode setCurrent()
- Browse/upload : affichage badge "Courante" via isCurrent
- Seeder : données de démo mises à jour
- Documentation : api-reference, architecture, local-setup, CLAUDE.md

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

front-public/src/app/pages/upload/upload.component.ts

@@ -32,17 +32,32 @@ import { ApiEntry, Category, API_CONVENTION_LABELS, ApiConvention } from '@datac
 
       <h1 class="fr-h2 fr-mb-4w">Importer une API</h1>
 
-      <!-- Stepper -->
-      <div class="fr-stepper fr-mb-4w">
-        <h2 class="fr-stepper__title">
-          {{ stepTitles[step() - 1] }}
-          <span class="fr-stepper__state">Étape {{ step() }} sur 3</span>
-        </h2>
-        <div
-          class="fr-stepper__steps"
-          [attr.data-fr-current-step]="step()"
-          data-fr-steps="3"
-        ></div>
+      <!-- Stepper numéroté -->
+      <div class="fr-mb-4w" style="display:flex;align-items:flex-start;">
+        @for (title of stepTitles; track $index) {
+          <div style="display:flex;flex-direction:column;align-items:center;flex:none;min-width:6rem;">
+            <div
+              [style.background]="step() > $index + 1 ? '#1f8d49' : step() === $index + 1 ? '#000091' : '#e5e5e5'"
+              [style.color]="step() >= $index + 1 ? 'white' : '#666'"
+              style="width:2rem;height:2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.875rem;transition:background 0.2s;">
+              @if (step() > $index + 1) {
+                <span class="fr-icon-check-line" aria-hidden="true" style="font-size:0.875rem"></span>
+              } @else {
+                {{ $index + 1 }}
+              }
+            </div>
+            <span style="font-size:0.75rem;margin-top:0.4rem;text-align:center;line-height:1.2;"
+                  [style.font-weight]="step() === $index + 1 ? '700' : '400'"
+                  [style.color]="step() === $index + 1 ? '#000091' : step() > $index + 1 ? '#1f8d49' : '#666'">
+              {{ title }}
+            </span>
+          </div>
+          @if ($index < stepTitles.length - 1) {
+            <div style="flex:1;height:2px;margin-top:1rem;transition:background 0.2s;"
+                 [style.background]="step() > $index + 1 ? '#1f8d49' : '#e5e5e5'">
+            </div>
+          }
+        }
       </div>
 
       <!-- Étape 1 : Fichier(s) YAML -->
@@ -120,7 +135,7 @@ import { ApiEntry, Category, API_CONVENTION_LABELS, ApiConvention } from '@datac
         </div>
       }
 
-      <!-- Étape 2 : Métadonnées -->
+      <!-- Étape 2 : Informations -->
       @if (step() === 2) {
         <form [formGroup]="metaForm" (ngSubmit)="goToStep3()" novalidate>
 
@@ -270,6 +285,19 @@ import { ApiEntry, Category, API_CONVENTION_LABELS, ApiConvention } from '@datac
             </div>
           </div>
 
+          <div class="fr-btns-group fr-btns-group--inline-sm">
+            <button type="submit" class="fr-btn">Suivant</button>
+            <button type="button" class="fr-btn fr-btn--secondary" (click)="step.set(1)">
+              Retour
+            </button>
+          </div>
+        </form>
+      }
+
+      <!-- Étape 3 : Contacts -->
+      @if (step() === 3) {
+        <form [formGroup]="metaForm" (ngSubmit)="goToStep4()" novalidate>
+
           <!-- Contact métier -->
           <p class="fr-label fr-mb-1w">Contact métier <span style="color:var(--text-default-error)">*</span></p>
           <div class="fr-grid-row fr-grid-row--gutters fr-mb-3w">
@@ -347,16 +375,16 @@ import { ApiEntry, Category, API_CONVENTION_LABELS, ApiConvention } from '@datac
           </div>
 
           <div class="fr-btns-group fr-btns-group--inline-sm">
-            <button type="submit" class="fr-btn" [disabled]="metaForm.invalid">Suivant</button>
-            <button type="button" class="fr-btn fr-btn--secondary" (click)="step.set(1)">
+            <button type="submit" class="fr-btn">Suivant</button>
+            <button type="button" class="fr-btn fr-btn--secondary" (click)="step.set(2)">
               Retour
             </button>
           </div>
         </form>
       }
 
-      <!-- Étape 3 : Confirmation -->
-      @if (step() === 3) {
+      <!-- Étape 4 : Confirmation -->
+      @if (step() === 4) {
         <div class="fr-card fr-mb-4w">
           <div class="fr-card__body">
             <div class="fr-card__content">
@@ -407,6 +435,22 @@ import { ApiEntry, Category, API_CONVENTION_LABELS, ApiConvention } from '@datac
                     <dd>{{ metaForm.value.description }}</dd>
                   </div>
                 }
+                <div class="fr-col-12 fr-col-md-6">
+                  <dt class="fr-text--bold">Contact métier</dt>
+                  <dd>
+                    {{ metaForm.value.contactFunctionalName }}<br>
+                    <span class="fr-text--sm">{{ metaForm.value.contactFunctionalEntity }}</span><br>
+                    <span class="fr-text--sm">{{ metaForm.value.contactFunctionalEmail }}</span>
+                  </dd>
+                </div>
+                <div class="fr-col-12 fr-col-md-6">
+                  <dt class="fr-text--bold">Contact technique</dt>
+                  <dd>
+                    {{ metaForm.value.contactTechnicalName }}<br>
+                    <span class="fr-text--sm">{{ metaForm.value.contactTechnicalEntity }}</span><br>
+                    <span class="fr-text--sm">{{ metaForm.value.contactTechnicalEmail }}</span>
+                  </dd>
+                </div>
               </dl>
             </div>
           </div>
@@ -427,7 +471,7 @@ import { ApiEntry, Category, API_CONVENTION_LABELS, ApiConvention } from '@datac
           >
             {{ uploading() ? 'Import en cours...' : 'Importer' }}
           </button>
-          <button class="fr-btn fr-btn--secondary" (click)="step.set(2)" [disabled]="uploading()">
+          <button class="fr-btn fr-btn--secondary" (click)="step.set(3)" [disabled]="uploading()">
             Retour
           </button>
         </div>
@@ -456,10 +500,21 @@ export class UploadComponent implements OnInit {
 
   readonly stepTitles = [
     'Choisir le fichier',
-    'Renseigner les métadonnées',
+    'Informations',
+    'Contacts',
     "Confirmer l'import",
   ];
 
+  private readonly INFO_FIELDS = [
+    'convention', 'name', 'provider', 'type',
+    'versionMajor', 'versionMinor', 'versionPatch',
+  ];
+
+  private readonly CONTACT_FIELDS = [
+    'contactFunctionalName', 'contactFunctionalEntity', 'contactFunctionalEmail',
+    'contactTechnicalName', 'contactTechnicalEntity', 'contactTechnicalEmail',
+  ];
+
   metaForm = this.fb.group({
     convention: ['CONSULTER', Validators.required],
     name: ['', Validators.required],
@@ -609,6 +664,24 @@ export class UploadComponent implements OnInit {
     this.step.set(2);
   }
 
+  goToStep3() {
+    const invalid = this.INFO_FIELDS.some((f) => this.metaForm.get(f)?.invalid);
+    if (invalid) {
+      this.INFO_FIELDS.forEach((f) => this.metaForm.get(f)?.markAsTouched());
+      return;
+    }
+    this.step.set(3);
+  }
+
+  goToStep4() {
+    const invalid = this.CONTACT_FIELDS.some((f) => this.metaForm.get(f)?.invalid);
+    if (invalid) {
+      this.CONTACT_FIELDS.forEach((f) => this.metaForm.get(f)?.markAsTouched());
+      return;
+    }
+    this.step.set(4);
+  }
+
   private runValidation(files: File[]): void {
     this.validating.set(true);
     this.validationDone.set(false);
@@ -651,14 +724,6 @@ export class UploadComponent implements OnInit {
     });
   }
 
-  goToStep3() {
-    if (this.metaForm.invalid) {
-      this.metaForm.markAllAsTouched();
-      return;
-    }
-    this.step.set(3);
-  }
-
   onSubmit() {
     const files = this.selectedFiles();
     if (files.length === 0 || this.metaForm.invalid) return;