fix: TUI duplicate exchange/position display + add all exchanges to delta-neutral default

Deduplicate primaryAdapter in fetchExchangeBalances and fetchAllPositions
when it already exists in extraAdapters. Default exchanges now include
all 4: pacifica, lighter, hyperliquid, aster.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Hiksang

src/bot/engine.ts

@@ -519,7 +519,9 @@ async function fetchExchangeBalances(
 ): Promise<import("./tui/index.js").ExchangeBalance[]> {
   const adapters: [string, ExchangeAdapter][] = [[primaryAdapter.name, primaryAdapter]];
   if (extraAdapters) {
-    for (const [name, a] of extraAdapters) adapters.push([name, a]);
+    for (const [name, a] of extraAdapters) {
+      if (name !== primaryAdapter.name) adapters.push([name, a]);
+    }
   }
   const results: import("./tui/index.js").ExchangeBalance[] = [];
   await Promise.all(adapters.map(async ([name, a]) => {
@@ -601,7 +603,9 @@ async function fetchAllPositions(
 ): Promise<import("./tui/index.js").Position[]> {
   const adapters: [string, ExchangeAdapter][] = [[primaryAdapter.name, primaryAdapter]];
   if (extraAdapters) {
-    for (const [name, a] of extraAdapters) adapters.push([name, a]);
+    for (const [name, a] of extraAdapters) {
+      if (name !== primaryAdapter.name) adapters.push([name, a]);
+    }
   }
   const all: import("./tui/index.js").Position[][] = [];
   await Promise.all(adapters.map(async ([name, a]) => {

src/commands/bot.ts

@@ -251,7 +251,7 @@ export function registerBotCommands(
   bot
     .command("delta-neutral")
     .description("Spot-long + perp-short delta-neutral funding rate farming")
-    .option("--exchanges <list>", "Comma-separated perp exchange names", "lighter,aster")
+    .option("--exchanges <list>", "Comma-separated perp exchange names", "pacifica,lighter,hyperliquid,aster")
     .option("--min-rate <pct>", "Min annualized rate to enter (%)", "10")
     .option("--close-rate <pct>", "Close when avg rate drops below (%)", "2")
     .option("--size <usd>", "Position size per leg ($)", "50")