fix(investments): align roles and date contracts

Identify income dependencies by role and document screen-specific dates.
Convert inclusive calendar days into half-open source ranges while
preserving operation timestamps and existing stored coverage.

test/tbank-income-local.e2e-spec.ts

@@ -138,7 +138,15 @@ describe('local income completeness and exact money (SQLite)', () => {
       ).toEqual(['a', 'b']);
       expect(result.data.previous).toBeNull();
       expect(result.data.yearComparison).toBeNull();
-      expect(result.meta.dependencies?.[1].availability).toBe('missing');
+      expect(result.meta.dependencies.map(({ role }) => role)).toEqual([
+        'selected',
+        'previous',
+        'year',
+      ]);
+      expect(
+        result.meta.dependencies.find(({ role }) => role === 'previous')
+          ?.availability,
+      ).toBe('missing');
       expect(result.data.calculatedAt).toBe('2025-02-01T00:00:00.000Z');
       await prisma.$disconnect();
     }
@@ -264,9 +272,10 @@ describe('local income completeness and exact money (SQLite)', () => {
   });
   it('distinguishes unavailable calendar comparison without scheduling it', async () => {
     const result = await read('a', 'from=2024-02-29&to=2024-02-29');
-    expect(result.meta.dependencies?.at(-1)?.unavailableReason).toBe(
-      'CALENDAR_OR_ACCOUNT_HISTORY',
-    );
+    expect(
+      result.meta.dependencies.find(({ role }) => role === 'year')
+        ?.unavailableReason,
+    ).toBe('CALENDAR_OR_ACCOUNT_HISTORY');
     expect(upstream.getOperationsByCursor).not.toHaveBeenCalled();
   });
 });