Added Type, Category and Signatories on task

supabase/migrations/20260221103000_add_clients_and_task_people.sql

@@ -0,0 +1,27 @@
+-- Migration: add clients table and task person fields (requested/noted/received)
+-- Created: 2026-02-21 10:30:00
+
+BEGIN;
+
+-- Clients table to store non-profile requesters/receivers
+CREATE TABLE IF NOT EXISTS clients (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  name text NOT NULL,
+  contact jsonb DEFAULT '{}'::jsonb,
+  created_at timestamptz NOT NULL DEFAULT now()
+);
+
+-- Ensure we can efficiently search clients by name
+CREATE INDEX IF NOT EXISTS clients_name_idx ON clients (lower(name));
+
+-- Add nullable person fields to tasks (requested_by, noted_by, received_by)
+ALTER TABLE IF EXISTS tasks
+  ADD COLUMN IF NOT EXISTS requested_by text,
+  ADD COLUMN IF NOT EXISTS noted_by text,
+  ADD COLUMN IF NOT EXISTS received_by text;
+
+CREATE INDEX IF NOT EXISTS tasks_requested_by_idx ON tasks (requested_by);
+CREATE INDEX IF NOT EXISTS tasks_noted_by_idx ON tasks (noted_by);
+CREATE INDEX IF NOT EXISTS tasks_received_by_idx ON tasks (received_by);
+
+COMMIT;