cleaned up stripe config

backend/src/db/schema.ts

@@ -199,7 +199,7 @@ export const ensureSchema = async (database: DatabaseClient = db) => {
       id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
       workspace_id INTEGER NOT NULL DEFAULT 1,
       name VARCHAR(120) NOT NULL,
-      tag_id VARCHAR(80) NOT NULL,
+      tag_id VARCHAR(80),
       species VARCHAR(120) NOT NULL,
       gender VARCHAR(16) NOT NULL DEFAULT 'unknown',
       date_of_birth DATE,
@@ -229,6 +229,14 @@ export const ensureSchema = async (database: DatabaseClient = db) => {
       ADD COLUMN IF NOT EXISTS memorial_note VARCHAR(1000),
       ADD COLUMN IF NOT EXISTS notify_on_memorial_day BOOLEAN NOT NULL DEFAULT FALSE;
 
+    ALTER TABLE birds
+      ALTER COLUMN tag_id DROP NOT NULL;
+
+    UPDATE birds
+    SET tag_id = NULL
+    WHERE tag_id IS NOT NULL
+      AND LOWER(BTRIM(tag_id)) IN ('unknown', 'not recorded', 'n/a', 'na', 'none');
+
     DO $$
     BEGIN
       IF NOT EXISTS (SELECT 1 FROM pg_constraint WHERE conname = 'birds_workspace_fk') THEN
@@ -241,8 +249,13 @@ export const ensureSchema = async (database: DatabaseClient = db) => {
     ALTER TABLE birds
       DROP CONSTRAINT IF EXISTS birds_tag_id_key;
 
+    DROP INDEX IF EXISTS idx_birds_workspace_tag_id;
+
     CREATE UNIQUE INDEX IF NOT EXISTS idx_birds_workspace_tag_id
-      ON birds (workspace_id, tag_id);
+      ON birds (workspace_id, LOWER(tag_id))
+      WHERE tag_id IS NOT NULL
+        AND BTRIM(tag_id) <> ''
+        AND LOWER(BTRIM(tag_id)) NOT IN ('unknown', 'not recorded', 'n/a', 'na', 'none');
 
     CREATE TABLE IF NOT EXISTS pending_bird_transfers (
       id UUID PRIMARY KEY DEFAULT gen_random_uuid(),