From 174635e24121eefbecfe7e9ce21abdd02cce325a Mon Sep 17 00:00:00 2001
From: vikingowl <christian@nachtigall.dev>
Date: Sat, 18 Apr 2026 07:20:32 +0200
Subject: [PATCH] feat(discovery): seed 24-month DACH bucket window

---
 .../000014_seed_discovery_buckets.down.sql    |  3 ++
 .../000014_seed_discovery_buckets.up.sql      | 38 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 backend/migrations/000014_seed_discovery_buckets.down.sql
 create mode 100644 backend/migrations/000014_seed_discovery_buckets.up.sql

diff --git a/backend/migrations/000014_seed_discovery_buckets.down.sql b/backend/migrations/000014_seed_discovery_buckets.down.sql
new file mode 100644
index 0000000..1c8ad88
--- /dev/null
+++ b/backend/migrations/000014_seed_discovery_buckets.down.sql
@@ -0,0 +1,3 @@
+-- Do not delete rows on rollback — `last_queried_at` and `last_error` may carry
+-- operational state. The table itself is dropped by 000011's down migration.
+SELECT 1;
diff --git a/backend/migrations/000014_seed_discovery_buckets.up.sql b/backend/migrations/000014_seed_discovery_buckets.up.sql
new file mode 100644
index 0000000..4a2e9d3
--- /dev/null
+++ b/backend/migrations/000014_seed_discovery_buckets.up.sql
@@ -0,0 +1,38 @@
+-- Seed buckets for the 24-month window starting current month.
+WITH regions(land, region) AS (
+  VALUES
+    ('Deutschland', 'Baden-Württemberg'),
+    ('Deutschland', 'Bayern'),
+    ('Deutschland', 'Berlin'),
+    ('Deutschland', 'Brandenburg'),
+    ('Deutschland', 'Bremen'),
+    ('Deutschland', 'Hamburg'),
+    ('Deutschland', 'Hessen'),
+    ('Deutschland', 'Mecklenburg-Vorpommern'),
+    ('Deutschland', 'Niedersachsen'),
+    ('Deutschland', 'Nordrhein-Westfalen'),
+    ('Deutschland', 'Rheinland-Pfalz'),
+    ('Deutschland', 'Saarland'),
+    ('Deutschland', 'Sachsen'),
+    ('Deutschland', 'Sachsen-Anhalt'),
+    ('Deutschland', 'Schleswig-Holstein'),
+    ('Deutschland', 'Thüringen'),
+    ('Österreich', 'Burgenland'),
+    ('Österreich', 'Kärnten'),
+    ('Österreich', 'Niederösterreich'),
+    ('Österreich', 'Oberösterreich'),
+    ('Österreich', 'Salzburg'),
+    ('Österreich', 'Steiermark'),
+    ('Österreich', 'Tirol'),
+    ('Österreich', 'Vorarlberg'),
+    ('Österreich', 'Wien'),
+    ('Schweiz', 'Schweiz')
+),
+months AS (
+  SELECT to_char(date_trunc('month', now())::date + (n || ' month')::interval, 'YYYY-MM') AS year_month
+  FROM generate_series(0, 23) AS n
+)
+INSERT INTO discovery_buckets (land, region, year_month)
+SELECT r.land, r.region, m.year_month
+FROM regions r CROSS JOIN months m
+ON CONFLICT (land, region, year_month) DO NOTHING;