Country-tier targeting for campaigns: DB-IP lite lookup, tier lists in Settings, Show-to tiers on every format, geo-restricted ads kept off the network, per-country serve stats

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

db.js

@@ -126,6 +126,11 @@ async function bootstrap() {
   ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`); // on-site views per UTC hour, for the by-hour chart
   await alterSafe('ALTER TABLE campaigns ADD COLUMN house TINYINT NOT NULL DEFAULT 0'); // admin house ad: free, never charged
   await alterSafe('ALTER TABLE campaigns ADD COLUMN daily_cap INT NULL');      // optional credits/day pacing (banner + text)
+  await alterSafe('ALTER TABLE campaigns ADD COLUMN geo VARCHAR(16) NULL');     // country tiers the campaign shows to ('1,2'); NULL = everyone
+  await q(`CREATE TABLE IF NOT EXISTS camp_geo (
+    campaign_id INT NOT NULL, cc CHAR(2) NOT NULL, n INT NOT NULL DEFAULT 0,
+    PRIMARY KEY (campaign_id, cc)
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4`); // on-site serves per viewer country
   await alterSafe('ALTER TABLE campaigns ADD COLUMN day_spent INT NOT NULL DEFAULT 0');
   await alterSafe("ALTER TABLE campaigns ADD COLUMN day_key CHAR(10) NULL");
   // linked positions: extra wallets owned by one email account (Qualified Start).