feat(dlob): support two sources + per-user switch

- Add "source" column + composite PKs for DLOB tables\n- Filter public Hasura selects by X-Hasura-Dlob-Source\n- Run parallel workers for mevnode + dlob.drift.trade\n- Frontend proxy sets x-hasura-dlob-source from cookie and injects UI switch

kustomize/base/dlob-worker/worker.mjs

@@ -64,6 +64,7 @@ function resolveConfig() {
     .trim()
     .replace(/\/$/, '');
   const dlobForceIpv6 = envBool('DLOB_FORCE_IPV6', false);
+  const dlobSource = String(process.env.DLOB_SOURCE || 'mevnode').trim() || 'mevnode';
 
   const markets = envList('DLOB_MARKETS', 'PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP');
   const depth = clampInt(process.env.DLOB_DEPTH, 1, 50, 10);
@@ -80,6 +81,7 @@ function resolveConfig() {
     hasuraUrl,
     hasuraAdminSecret,
     hasuraAuthToken,
+    dlobSource,
     dlobHttpBase,
     dlobForceIpv6,
     markets,
@@ -238,8 +240,9 @@ function computeStats({ l2, depth, pricePrecision, basePrecision }) {
   };
 }
 
-function l2ToInsertObject({ l2, updatedAt, pricePrecision }) {
+function l2ToInsertObject({ dlobSource, l2, updatedAt, pricePrecision }) {
   return {
+    source: dlobSource,
     market_name: String(l2.marketName),
     market_type: String(l2.marketType || 'perp'),
     market_index: typeof l2.marketIndex === 'number' ? l2.marketIndex : null,
@@ -256,8 +259,9 @@ function l2ToInsertObject({ l2, updatedAt, pricePrecision }) {
   };
 }
 
-function statsToInsertObject({ l2, stats, updatedAt }) {
+function statsToInsertObject({ dlobSource, l2, stats, updatedAt }) {
   return {
+    source: dlobSource,
     market_name: String(l2.marketName),
     market_type: String(l2.marketType || 'perp'),
     market_index: typeof l2.marketIndex === 'number' ? l2.marketIndex : null,
@@ -371,6 +375,7 @@ async function main() {
         startedAt: getIsoNow(),
         hasuraUrl: cfg.hasuraUrl,
         hasuraAuth: cfg.hasuraAuthToken ? 'bearer' : cfg.hasuraAdminSecret ? 'admin-secret' : 'none',
+        dlobSource: cfg.dlobSource,
         dlobHttpBase: cfg.dlobHttpBase,
         dlobForceIpv6: cfg.dlobForceIpv6,
         markets: cfg.markets,
@@ -410,8 +415,8 @@ async function main() {
         basePrecision: cfg.basePrecision,
       });
 
-      l2Objects.push(l2ToInsertObject({ l2, updatedAt, pricePrecision: cfg.pricePrecision }));
-      statsObjects.push(statsToInsertObject({ l2, stats, updatedAt }));
+      l2Objects.push(l2ToInsertObject({ dlobSource: cfg.dlobSource, l2, updatedAt, pricePrecision: cfg.pricePrecision }));
+      statsObjects.push(statsToInsertObject({ dlobSource: cfg.dlobSource, l2, stats, updatedAt }));
     }
 
     try {