feat: Implement full inline editing enhancement

src/integrations/supabase/types.ts

@@ -1118,6 +1118,38 @@ export type Database = {
           },
         ]
       }
+      item_edit_history: {
+        Row: {
+          changes: Json
+          edited_at: string
+          editor_id: string
+          id: string
+          item_id: string
+        }
+        Insert: {
+          changes: Json
+          edited_at?: string
+          editor_id: string
+          id?: string
+          item_id: string
+        }
+        Update: {
+          changes?: Json
+          edited_at?: string
+          editor_id?: string
+          id?: string
+          item_id?: string
+        }
+        Relationships: [
+          {
+            foreignKeyName: "item_edit_history_item_id_fkey"
+            columns: ["item_id"]
+            isOneToOne: false
+            referencedRelation: "submission_items"
+            referencedColumns: ["id"]
+          },
+        ]
+      }
       list_items: {
         Row: {
           created_at: string | null
@@ -4563,6 +4595,27 @@ export type Database = {
         }
         Relationships: []
       }
+      item_edit_history_view: {
+        Row: {
+          changes: Json | null
+          edited_at: string | null
+          editor_avatar_url: string | null
+          editor_display_name: string | null
+          editor_id: string | null
+          editor_username: string | null
+          id: string | null
+          item_id: string | null
+        }
+        Relationships: [
+          {
+            foreignKeyName: "item_edit_history_item_id_fkey"
+            columns: ["item_id"]
+            isOneToOne: false
+            referencedRelation: "submission_items"
+            referencedColumns: ["id"]
+          },
+        ]
+      }
       moderation_sla_metrics: {
         Row: {
           avg_resolution_hours: number | null

supabase/migrations/20251102235215_0c04eff1-e80c-49da-9ad6-f49550157e28.sql

@@ -0,0 +1,55 @@
+-- Phase 4: Create edit history tracking table
+CREATE TABLE IF NOT EXISTS public.item_edit_history (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  item_id UUID NOT NULL REFERENCES public.submission_items(id) ON DELETE CASCADE,
+  editor_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
+  changes JSONB NOT NULL,
+  edited_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Add index for efficient querying
+CREATE INDEX IF NOT EXISTS idx_item_edit_history_item_id ON public.item_edit_history(item_id);
+CREATE INDEX IF NOT EXISTS idx_item_edit_history_edited_at ON public.item_edit_history(edited_at DESC);
+
+-- Enable RLS
+ALTER TABLE public.item_edit_history ENABLE ROW LEVEL SECURITY;
+
+-- Allow moderators and admins to view edit history
+CREATE POLICY "Moderators can view edit history"
+ON public.item_edit_history
+FOR SELECT
+TO authenticated
+USING (
+  public.has_role(auth.uid(), 'moderator') OR
+  public.has_role(auth.uid(), 'admin') OR
+  public.has_role(auth.uid(), 'superuser')
+);
+
+-- Allow system to insert edit history (via service role)
+CREATE POLICY "System can insert edit history"
+ON public.item_edit_history
+FOR INSERT
+TO authenticated
+WITH CHECK (
+  public.has_role(auth.uid(), 'moderator') OR
+  public.has_role(auth.uid(), 'admin') OR
+  public.has_role(auth.uid(), 'superuser')
+);
+
+-- Create view to get edit history with user info
+CREATE OR REPLACE VIEW public.item_edit_history_view AS
+SELECT 
+  ieh.id,
+  ieh.item_id,
+  ieh.editor_id,
+  ieh.changes,
+  ieh.edited_at,
+  p.username as editor_username,
+  p.display_name as editor_display_name,
+  p.avatar_url as editor_avatar_url
+FROM public.item_edit_history ieh
+LEFT JOIN public.profiles p ON p.user_id = ieh.editor_id
+ORDER BY ieh.edited_at DESC;
+
+-- Grant access to the view
+GRANT SELECT ON public.item_edit_history_view TO authenticated;