tag-lifecycle: owner close (status closed, gating + page) + move (copy details to new tag, close source) + legacy ?productid= redirect — verified with real tags 6 & 17

db/schema.sql

@@ -16,7 +16,7 @@ CREATE TABLE IF NOT EXISTS tags (
     tag_code    TEXT NOT NULL UNIQUE,      -- printed on QR + NFC, public identifier
     owner_id    BIGINT REFERENCES users(id),
     status      TEXT NOT NULL DEFAULT 'unset'
-                CHECK (status IN ('unset', 'active', 'suspended')),
+                CHECK (status IN ('unset', 'active', 'suspended', 'closed')),
     item_type   TEXT CHECK (item_type IN ('dog', 'cat', 'baggage', 'skis', 'other')),
     description TEXT,
     photo_url   TEXT,
@@ -93,3 +93,7 @@ ALTER TABLE orders ADD COLUMN IF NOT EXISTS amount NUMERIC(10,2) NOT NULL DEFAUL
 
 -- Renewal tracking (lazy expiry): paid orders past renews_at are treated lapsed.
 ALTER TABLE orders ADD COLUMN IF NOT EXISTS renews_at TIMESTAMPTZ;
+
+-- Tag lifecycle: closed state (owner close / moved-from). Idempotent.
+ALTER TABLE tags DROP CONSTRAINT IF EXISTS tags_status_check;
+ALTER TABLE tags ADD CONSTRAINT tags_status_check CHECK (status IN ('unset','active','suspended','closed'));