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-depth-worker/deployment-drift.yaml

@@ -0,0 +1,50 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dlob-depth-worker-drift
+  annotations:
+    argocd.argoproj.io/sync-wave: "6"
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: dlob-depth-worker-drift
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: dlob-depth-worker-drift
+    spec:
+      containers:
+        - name: worker
+          image: node:20-slim
+          imagePullPolicy: IfNotPresent
+          env:
+            - name: HASURA_GRAPHQL_URL
+              value: http://hasura:8080/v1/graphql
+            - name: HASURA_ADMIN_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: trade-hasura
+                  key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: drift
+            - name: DLOB_MARKETS
+              value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
+            - name: DLOB_POLL_MS
+              value: "1000"
+            - name: DLOB_DEPTH_BPS_BANDS
+              value: "5,10,20,50,100,200"
+            - name: PRICE_PRECISION
+              value: "1000000"
+            - name: BASE_PRECISION
+              value: "1000000000"
+          command: ["node", "/app/worker.mjs"]
+          volumeMounts:
+            - name: script
+              mountPath: /app/worker.mjs
+              subPath: worker.mjs
+              readOnly: true
+      volumes:
+        - name: script
+          configMap:
+            name: dlob-depth-worker-script

kustomize/base/dlob-depth-worker/deployment.yaml

@@ -26,6 +26,8 @@ spec:
                 secretKeyRef:
                   name: trade-hasura
                   key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: mevnode
             - name: DLOB_MARKETS
               value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
             - name: DLOB_POLL_MS

kustomize/base/dlob-depth-worker/worker.mjs

@@ -64,6 +64,7 @@ function resolveConfig() {
   const hasuraAdminSecret = process.env.HASURA_ADMIN_SECRET || process.env.HASURA_GRAPHQL_ADMIN_SECRET || undefined;
   const hasuraAuthToken = process.env.HASURA_AUTH_TOKEN || process.env.HASURA_JWT || undefined;
 
+  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 pollMs = clampInt(process.env.DLOB_POLL_MS, 250, 60_000, 1000);
   const bandsBps = envIntList('DLOB_DEPTH_BPS_BANDS', '5,10,20,50,100,200');
@@ -79,6 +80,7 @@ function resolveConfig() {
     hasuraUrl,
     hasuraAdminSecret,
     hasuraAuthToken,
+    dlobSource,
     markets,
     pollMs,
     bandsBps,
@@ -169,8 +171,9 @@ function computeBandDepth({ bids, asks, mid, bandBps }) {
 
 async function fetchL2Latest(cfg) {
   const query = `
-    query DlobL2Latest($markets: [String!]!) {
-      dlob_l2_latest(where: {market_name: {_in: $markets}}) {
+    query DlobL2Latest($source: String!, $markets: [String!]!) {
+      dlob_l2_latest(where: {source: {_eq: $source}, market_name: {_in: $markets}}) {
+        source
         market_name
         market_type
         market_index
@@ -186,7 +189,7 @@ async function fetchL2Latest(cfg) {
       }
     }
   `;
-  const data = await graphqlRequest(cfg, query, { markets: cfg.markets });
+  const data = await graphqlRequest(cfg, query, { source: cfg.dlobSource, markets: cfg.markets });
   return Array.isArray(data?.dlob_l2_latest) ? data.dlob_l2_latest : [];
 }
 
@@ -232,6 +235,7 @@ async function main() {
         startedAt: getIsoNow(),
         hasuraUrl: cfg.hasuraUrl,
         hasuraAuth: cfg.hasuraAuthToken ? 'bearer' : cfg.hasuraAdminSecret ? 'admin-secret' : 'none',
+        dlobSource: cfg.dlobSource,
         markets: cfg.markets,
         pollMs: cfg.pollMs,
         bandsBps: cfg.bandsBps,
@@ -268,6 +272,7 @@ async function main() {
         for (const bandBps of cfg.bandsBps) {
           const d = computeBandDepth({ bids, asks, mid, bandBps });
           rows.push({
+            source: cfg.dlobSource,
             market_name: market,
             band_bps: bandBps,
             market_type: l2.market_type ? String(l2.market_type) : 'perp',