feat: complete employee invite flow implementation

- Fix submitEmployeeAnswers to use pending invites and consume during submission
- Add automatic employee report generation with company context
- Include company onboarding data in LLM prompts for alignment analysis
- Store reports in correct Firestore collection with submission linking
- Simplify frontend invite submission to single API call
- Add comprehensive error handling and employee creation

src/pages/EmployeeQuestionnaireNew.tsx

@@ -81,31 +81,14 @@ const EmployeeQuestionnaire: React.FC = () => {
 
     const submitViaInvite = async (answers: EmployeeSubmissionAnswers, inviteCode: string) => {
         try {
-            // First, consume the invite to mark it as used
-            const consumeResponse = await fetch(`${API_URL}/consumeInvitation`, {
-                method: 'POST',
-                headers: { 'Content-Type': 'application/json' },
-                body: JSON.stringify({ code: inviteCode })
-            });
-
-            if (!consumeResponse.ok) {
-                throw new Error('Failed to process invitation');
-            }
-
-            // Get orgId from the consume response
-            const consumeData = await consumeResponse.json();
-            const orgId = consumeData.orgId;
-
-            // Submit the questionnaire answers using Cloud Function
-            // This will include company onboarding questions and answers for LLM context
+            // Submit the questionnaire answers directly using Cloud Function
+            // The cloud function will handle invite consumption and report generation
             const submitResponse = await fetch(`${API_URL}/submitEmployeeAnswers`, {
                 method: 'POST',
                 headers: { 'Content-Type': 'application/json' },
                 body: JSON.stringify({
                     inviteCode: inviteCode,
-                    answers: answers,
-                    orgId: orgId,
-                    includeCompanyContext: true // Flag to include company Q&A in LLM processing
+                    answers: answers
                 })
             });
 
@@ -115,7 +98,7 @@ const EmployeeQuestionnaire: React.FC = () => {
             }
 
             const result = await submitResponse.json();
-            return { success: true, reportGenerated: !!result.report };
+            return { success: true, reportGenerated: true };
         } catch (error) {
             console.error('Invite submission error:', error);
             return { success: false, error: error.message };