feat: Implement full type safety plan

supabase/functions/_shared/types.ts

@@ -0,0 +1,77 @@
+/**
+ * Shared type definitions for edge functions
+ * Provides type safety across all backend operations
+ */
+
+export interface SubmissionUpdateData {
+  status?: 'approved' | 'rejected' | 'pending';
+  reviewer_id?: string;
+  reviewed_at?: string;
+  reviewer_notes?: string;
+}
+
+export interface PhotoSubmissionUpdateData {
+  status?: 'approved' | 'rejected' | 'pending';
+  reviewed_by?: string;
+  reviewed_at?: string;
+  reviewer_notes?: string;
+}
+
+export interface ReviewUpdateData {
+  is_approved?: boolean;
+  approved_by?: string;
+  approved_at?: string;
+  reviewer_notes?: string;
+}
+
+export interface EntityData {
+  id?: string;
+  name?: string;
+  slug?: string;
+  description?: string;
+  [key: string]: unknown;
+}
+
+export interface LocationData {
+  country?: string;
+  state_province?: string;
+  city?: string;
+  latitude?: number;
+  longitude?: number;
+}
+
+export interface SubscriberData {
+  subscriberId: string;
+  email?: string;
+  firstName?: string;
+  lastName?: string;
+  phone?: string;
+  avatar?: string;
+  data?: Record<string, unknown>;
+}
+
+export interface NotificationPayload {
+  workflowId: string;
+  subscriberId?: string;
+  topicKey?: string;
+  payload: Record<string, unknown>;
+  overrides?: Record<string, unknown>;
+}
+
+export interface ApprovalRequest {
+  submissionId: string;
+  itemIds: string[];
+  action: 'approve' | 'reject';
+  notes?: string;
+}
+
+export interface ValidationResult {
+  valid: boolean;
+  errors: string[];
+}
+
+export interface StrictValidationResult {
+  valid: boolean;
+  blockingErrors: string[];
+  warnings: string[];
+}