feat: add OpenRouter audit generation pipeline

lib/ai/schemas.ts

@@ -0,0 +1,58 @@
+import { z } from "zod";
+
+export const findingItemSchema = z.object({
+  section: z.string(),
+  finding: z.string(),
+  suggestion: z.string(),
+});
+
+export const internalFindingsSchema = z.object({
+  findings: z.array(findingItemSchema),
+  summary: z.string(),
+});
+
+export const auditSummarySchema = z.object({
+  summary: z.string(),
+  keyFindings: z.array(z.string()),
+});
+
+export const publicAuditTextSchema = z.object({
+  publicText: z.string(),
+});
+
+export const emailDraftSchema = z.object({
+  body: z.string(),
+});
+
+export const emailSubjectSchema = z.object({
+  subject: z.string(),
+});
+
+export const callScriptSchema = z.object({
+  openingLine: z.string(),
+  callScript: z.array(z.string()),
+  closeLine: z.string(),
+});
+
+export const followUpDraftSchema = z.object({
+  message: z.string(),
+  followInDays: z.number().int().min(0).optional(),
+  goals: z.array(z.string()).optional(),
+});
+
+export const qualityReviewSchema = z.object({
+  isValid: z.boolean(),
+  issues: z.array(z.string()),
+  suggestions: z.array(z.string()),
+  notes: z.array(z.string()).optional(),
+});
+
+export type FindingItem = z.infer<typeof findingItemSchema>;
+export type InternalFindings = z.infer<typeof internalFindingsSchema>;
+export type AuditSummary = z.infer<typeof auditSummarySchema>;
+export type PublicAuditText = z.infer<typeof publicAuditTextSchema>;
+export type EmailDraft = z.infer<typeof emailDraftSchema>;
+export type EmailSubject = z.infer<typeof emailSubjectSchema>;
+export type CallScript = z.infer<typeof callScriptSchema>;
+export type FollowUpDraft = z.infer<typeof followUpDraftSchema>;
+export type QualityReview = z.infer<typeof qualityReviewSchema>;