test: align resource availability metadata

src/modules/investments/portfolio/application/portfolio.service.ts

@@ -32,6 +32,7 @@ import { mapPortfolio } from '../infrastructure/tbank-portfolio.mapper';
 import { PortfolioDto } from '../presentation/portfolio.dto';
 
 const MISSING_DATA_REVISION = 0;
+const NO_ACCOUNTS = 0;
 
 const membershipFreshForMs = tbankSourceTtlMs.membership;
 
@@ -113,7 +114,11 @@ export class PortfolioService {
     const { hourly, ...saved } = await this.saved(userId, accountId);
     const missing =
       saved.membership.completeness === 'incomplete' ||
-      saved.accounts.some((account) => !account.snapshot);
+      (saved.accounts.length > NO_ACCOUNTS && saved.accounts.some((account) => !account.snapshot));
+    const available =
+      !missing &&
+      (saved.membership.availability === 'available' ||
+        saved.accounts.some((account) => account.snapshot));
     const metadata = await this.metadata.savedMany(
       saved.accounts.flatMap((account) => account.snapshot?.positions ?? []),
     );
@@ -162,6 +167,11 @@ export class PortfolioService {
           ]
         : [],
     );
+    let availability: 'available' | 'complete' | 'missing' | 'partial';
+    if (available) availability = 'available';
+    else if (!missing) availability = 'complete';
+    else if (portfolios.length > NO_ACCOUNTS) availability = 'partial';
+    else availability = 'missing';
     const lastSuccessfulAt =
       // eslint-disable-next-line sonarjs/no-alphabetical-sort -- Code-unit ordering is intentional for canonical keys and ISO dates; locale collation would change persisted bindings.
       portfolios.map((portfolio) => portfolio.lastSuccessfulAt).sort()[0] ??
@@ -205,11 +215,7 @@ export class PortfolioService {
           ]),
           metadataDependencies.map((dependency) => dependency.dataRevision),
         ]),
-        availability: missing
-          ? portfolios.length
-            ? 'partial'
-            : 'missing'
-          : 'complete',
+        availability,
         fetchedAt: lastSuccessfulAt ? new Date(lastSuccessfulAt) : null,
         freshForMs: portfolios.length
           ? portfolioFreshForMs