sms-metering-location-link: per-tag SMS credits (allocated/used, admin top-up), short URLs + owner location page (map embed + finder details) — 13/13 scenarios

db/schema.sql

@@ -74,3 +74,15 @@ ALTER TABLE users ADD COLUMN IF NOT EXISTS remember_token TEXT;
 
 -- Phase 5-lite: client IP on scans for rate limiting (idempotent).
 ALTER TABLE scans ADD COLUMN IF NOT EXISTS ip TEXT;
+
+-- Phase 5.5: per-tag SMS metering (0 = unmetered/transitional).
+ALTER TABLE tags ADD COLUMN IF NOT EXISTS sms_allocated INTEGER NOT NULL DEFAULT 0;
+ALTER TABLE tags ADD COLUMN IF NOT EXISTS sms_used INTEGER NOT NULL DEFAULT 0;
+ALTER TABLE tags ADD COLUMN IF NOT EXISTS sms_period_start DATE NOT NULL DEFAULT CURRENT_DATE;
+
+-- Short URLs for SMS links (owner location pages).
+CREATE TABLE IF NOT EXISTS url_shortened (
+    code       TEXT PRIMARY KEY,
+    scan_id    BIGINT NOT NULL REFERENCES scans(id),
+    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);