fix(frontend): remove test types from base tsconfig for CI build

The base tsconfig.json had types: ["vitest/globals", "@testing-library/jest-dom/vitest"]
which are devDependencies only installed during development. CI production
builds with npm ci --production don't include these, causing TS2688 errors.

Solution:

Remove types array from tsconfig.json (let TS auto-discover available types)
Simplify tsconfig.build.json to only exclude test files
Add triple-slash type references to test setup file
Add typecheck config to vitest.config.ts
This ensures:

Production builds work without devDependencies
Test files still have proper type definitions
No JSX.IntrinsicElements errors from missing React types

frontend/src/components/__tests__/ManualDNSChallenge.test.tsx

@@ -144,7 +144,7 @@ describe('ManualDNSChallenge', () => {
       isLoading: false,
       isError: false,
       error: null,
-    } as any)
+    } as unknown as ReturnType<typeof useChallengePoll>)
 
     vi.mocked(useManualChallengeMutations).mockReturnValue({
       verifyMutation: {
@@ -159,7 +159,7 @@ describe('ManualDNSChallenge', () => {
         mutateAsync: vi.fn(),
         isPending: false,
       },
-    } as any)
+    } as unknown as ReturnType<typeof useManualChallengeMutations>)
   })
 
   afterEach(() => {
@@ -401,7 +401,7 @@ describe('ManualDNSChallenge', () => {
         isLoading: false,
         isError: false,
         error: null,
-      } as any)
+      } as unknown as ReturnType<typeof useChallengePoll>)
 
       const verifiedChallenge: ManualChallenge = {
         ...mockChallenge,
@@ -424,7 +424,7 @@ describe('ManualDNSChallenge', () => {
         isLoading: false,
         isError: false,
         error: null,
-      } as any)
+      } as unknown as ReturnType<typeof useChallengePoll>)
 
       const expiredChallenge: ManualChallenge = {
         ...mockChallenge,
@@ -449,7 +449,7 @@ describe('ManualDNSChallenge', () => {
         isLoading: false,
         isError: false,
         error: null,
-      } as any)
+      } as unknown as ReturnType<typeof useChallengePoll>)
 
       const failedChallenge: ManualChallenge = {
         ...mockChallenge,
@@ -477,7 +477,7 @@ describe('ManualDNSChallenge', () => {
         isLoading: false,
         isError: false,
         error: null,
-      } as any)
+      } as unknown as ReturnType<typeof useChallengePoll>)
 
       // Re-render to trigger effect
       const verifiedChallenge: ManualChallenge = {
@@ -517,7 +517,7 @@ describe('ManualDNSChallenge', () => {
         isLoading: false,
         isError: false,
         error: null,
-      } as any)
+      } as unknown as ReturnType<typeof useChallengePoll>)
 
       const expiredChallenge: ManualChallenge = {
         ...mockChallenge,
@@ -611,7 +611,7 @@ describe('ManualDNSChallenge', () => {
         isLoading: false,
         isError: false,
         error: null,
-      } as any)
+      } as unknown as ReturnType<typeof useChallengePoll>)
 
       const verifiedChallenge: ManualChallenge = {
         ...mockChallenge,
@@ -639,7 +639,7 @@ describe('ManualDNSChallenge', () => {
           mutateAsync: vi.fn(),
           isPending: false,
         },
-      } as any)
+      } as unknown as ReturnType<typeof useManualChallengeMutations>)
 
       renderComponent()
 
@@ -661,7 +661,7 @@ describe('ManualDNSChallenge', () => {
           mutateAsync: vi.fn(),
           isPending: false,
         },
-      } as any)
+      } as unknown as ReturnType<typeof useManualChallengeMutations>)
 
       renderComponent()
 
@@ -683,7 +683,7 @@ describe('ManualDNSChallenge', () => {
         isLoading: false,
         isError: false,
         error: null,
-      } as any)
+      } as unknown as ReturnType<typeof useChallengePoll>)
 
       const failedChallenge: ManualChallenge = {
         ...mockChallenge,