feat(providers): phases 7.3/7.4/7.6/8.1 — provenance, health, NDJSON, contrat unique

7.3: capturedAt/source au registre + 6 adaptateurs + module provenance.ts + ?debug=1 (search-transport.mjs). 7.4: ProviderHealthService + badge source degradee. 7.6: squelettes par provider + snapshots progressifs + transport NDJSON /api/search. 8.1: ProviderAdapter unifie (search enveloppe + channelContent/channelMeta/capabilities) via getProviderAdapter + test de contrat offline.

src/app/search/adapters/dm.ts

@@ -3,6 +3,9 @@ import { firstValueFrom } from 'rxjs';
 import type { ProviderAdapter, ProviderSearchParams, SearchResult } from '../models';
 import { VideoItem } from 'src/app/shared/models/video-item.model';
 import { withFilterParams } from './filter-params';
+import { readSearchGroup } from '../search-contract';
+import { mapProvenance } from './provenance';
+import { serverRefValue } from '../../shared/providers/channel-ref';
 
 // TODO: Make SearchResult generic
 export class DmAdapter implements ProviderAdapter<VideoItem> {
@@ -17,8 +20,11 @@ export class DmAdapter implements ProviderAdapter<VideoItem> {
     // le sait, affinés en post-traitement sinon.
     httpParams = withFilterParams(httpParams, params.filters);
     const res = await firstValueFrom(this.http.get<any>(`/api/search`, { params: httpParams }));
-    const providerError = typeof res?.errors?.dm?.message === 'string' ? res.errors.dm.message : undefined;
-    const items: VideoItem[] = (res?.groups?.dm || []).map((it: any) => ({
+    const { items: rawItems, providerError } = readSearchGroup(res, 'dm');
+    const items: VideoItem[] = rawItems.map((it: any) => ({
+      // Phase 7.3 — provenance (instant de collecte + voie) : propriété de la
+      // donnée, pas d'un provider — mapping commun aux 6 adaptateurs.
+      ...mapProvenance(it),
       id: it.id,
       provider: 'dailymotion',
       title: it.title,
@@ -27,7 +33,7 @@ export class DmAdapter implements ProviderAdapter<VideoItem> {
       thumbnailUrl: it.thumbnail,
       viewCount: undefined, // Dailymotion API does not provide view count in search results
       publishedAt: undefined, // Dailymotion API does not provide published date in search results
-      channelExternalId: it.channelId || undefined,
+      channelExternalId: serverRefValue(it.channelRef, 'dm') || it.channelId || undefined,
       channelAvatarUrl: it.uploaderAvatar || undefined,
       // Signaux de type pour le raffinement client des filtres.
       type: typeof it.type === 'string' ? it.type : undefined,
@@ -36,6 +42,6 @@ export class DmAdapter implements ProviderAdapter<VideoItem> {
       width: typeof it.width === 'number' ? it.width : undefined,
       height: typeof it.height === 'number' ? it.height : undefined,
     } as VideoItem));
-    return { items, total: Array.isArray(res?.groups?.dm) ? res.groups.dm.length : 0, providerError };
+    return { items, total: rawItems.length, providerError };
   }
 }