feat: add sell_tsla.sh test script

Closes TSLA perp position, transfers USDT0 from cash dex back to
spot, and swaps USDT0 back to USDC. Mirrors sell_silver.sh workflow.

Signed-off-by: Michael Yuan <michael@secondstate.io>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: juntao

tests/hyperliquid/sell_tsla.sh

@@ -0,0 +1,146 @@
+#!/usr/bin/env bash
+#
+# Sell ALL TSLA perp on Hyperliquid + transfer USDT0 back + swap to USDC
+#
+# Uses hyperliquid --json API for all commands. Output is always JSON.
+#
+# Workflow:
+#   1. Get positions, find TSLA
+#   2. Get TSLA price from quote
+#   3. Sell TSLA perp with close flag
+#   4. Get wallet address via address command
+#   5. Query cash dex withdrawable via HL API (curl)
+#   6. Transfer USDT0 from cash dex to spot
+#   7. Check spot USDT0 balance
+#   8. Sell USDT0 for USDC on spot
+#
+# Usage: ./tests/hyperliquid/sell_tsla.sh
+#
+set -uo pipefail
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+source "$SCRIPT_DIR/../helpers.sh"
+ensure_built
+
+ft() { $HYPERLIQUID --json "$1" 2>/dev/null; }
+
+log "Sell ALL TSLA perp on Hyperliquid (JSON API)"
+
+# ── Step 1: Get positions ────────────────────────────────────────────
+info "Fetching positions to find TSLA size..."
+POSITIONS=$(ft '{"command":"positions"}')
+
+if [[ -z "$POSITIONS" ]]; then
+    fail "Failed to fetch positions"
+    exit 1
+fi
+
+TSLA_SIZE=$(echo "$POSITIONS" | jq -r '
+    [.[] | .position // .] |
+    map(select(.coin == "TSLA" or .coin == "cash:TSLA")) |
+    .[0].szi // empty
+' 2>/dev/null || true)
+
+if [[ -z "$TSLA_SIZE" || "$TSLA_SIZE" == "null" ]]; then
+    info "No TSLA position found. Checking open orders..."
+    ORDERS=$(ft '{"command":"orders"}')
+    if [[ -n "$ORDERS" ]]; then
+        OPEN_COUNT=$(echo "$ORDERS" | jq -r 'length' 2>/dev/null || echo "0")
+        info "Open orders: $OPEN_COUNT"
+    fi
+    done_step
+    warn "No TSLA position to sell -- order may not have filled"
+    exit 0
+fi
+
+SELL_SIZE=$(echo "$TSLA_SIZE" | sed 's/^-//')
+info "TSLA position size: $TSLA_SIZE shares (selling $SELL_SIZE)"
+
+# ── Step 2: Get TSLA price ───────────────────────────────────────────
+info "Fetching TSLA mark price..."
+QUOTE=$(ft '{"command":"quote","symbol":"TSLA"}')
+
+if [[ -z "$QUOTE" ]]; then
+    fail "TSLA quote failed"
+    exit 1
+fi
+
+SELL_PRICE=$(echo "$QUOTE" | jq -r '.markPx')
+SELL_LIMIT=$(echo "$SELL_PRICE" | awk '{printf "%.2f", $1 * 0.995}')
+
+info "Current mark: \$$SELL_PRICE"
+info "Sell limit:   \$$SELL_LIMIT (-0.5% buffer)"
+
+# ── Step 3: Sell TSLA perp with close flag ───────────────────────────
+RESULT=$(ft "{\"command\":\"perp_sell\",\"symbol\":\"TSLA\",\"amount\":$SELL_SIZE,\"price\":$SELL_LIMIT,\"close\":true}")
+
+if [[ -z "$RESULT" ]]; then
+    fail "TSLA perp sell failed"
+    warn "Position may still be open -- check manually with 'hyperliquid positions'"
+    exit 1
+fi
+
+FILL=$(echo "$RESULT" | jq -r '.fillStatus // empty')
+
+done_step
+info "Sold:        $SELL_SIZE shares"
+info "Limit:       \$$SELL_LIMIT"
+info "Fill status: $FILL"
+ok "TSLA perp sell order placed -- $SELL_SIZE shares at \$$SELL_LIMIT"
+
+# ── Step 4: Get wallet address ───────────────────────────────────────
+info "Transferring USDT0 from cash dex back to spot..."
+sleep 2
+
+ADDR_JSON=$(ft '{"command":"address"}')
+USER_ADDR=$(echo "$ADDR_JSON" | jq -r '.address // empty')
+
+# ── Step 5: Query cash dex withdrawable via HL API ───────────────────
+CASH_WITHDRAWABLE="0"
+if [[ -n "$USER_ADDR" ]]; then
+    CASH_STATE=$(curl -s -X POST https://api.hyperliquid.xyz/info \
+        -H 'Content-Type: application/json' \
+        -d "{\"type\":\"clearinghouseState\",\"user\":\"$USER_ADDR\",\"dex\":\"cash\"}" 2>/dev/null)
+    CASH_WITHDRAWABLE=$(echo "$CASH_STATE" | jq -r '.withdrawable // "0"' 2>/dev/null || echo "0")
+    info "Cash dex withdrawable: $CASH_WITHDRAWABLE USDT0"
+fi
+
+# ── Step 6: Transfer USDT0 from cash to spot ─────────────────────────
+TRANSFER_AMT=$(echo "$CASH_WITHDRAWABLE" | awk '{v = int($1 * 100) / 100; if (v > 0) printf "%.2f", v; else print "0"}')
+
+if [[ "$TRANSFER_AMT" != "0" && "$TRANSFER_AMT" != "0.00" ]]; then
+    info "Transferring $TRANSFER_AMT USDT0 from cash dex to spot..."
+    RESULT=$(ft "{\"command\":\"transfer\",\"asset\":\"USDT0\",\"amount\":$TRANSFER_AMT,\"from\":\"cash\",\"to\":\"spot\"}")
+    if [[ -z "$RESULT" ]]; then
+        warn "USDT0 transfer from cash dex failed"
+        warn "USDT0 may still be in cash dex. Use: hyperliquid transfer USDT0 --amount <amount> --from cash --to spot"
+    else
+        ok "Transferred $TRANSFER_AMT USDT0 from cash dex to spot"
+    fi
+    sleep 1
+else
+    info "No withdrawable USDT0 in cash dex"
+fi
+
+# ── Step 7: Check spot USDT0 balance ─────────────────────────────────
+info "Checking spot USDT0 balance..."
+BALANCE=$(ft '{"command":"balance"}')
+SPOT_USDT0=$(echo "$BALANCE" | jq -r '.spot.balances[]? | select(.coin == "USDT0") | .total // "0"' 2>/dev/null || echo "0")
+USDT0_HOLD=$(echo "$BALANCE" | jq -r '.spot.balances[]? | select(.coin == "USDT0") | .hold // "0"' 2>/dev/null || echo "0")
+
+# ── Step 8: Sell USDT0 for USDC ──────────────────────────────────────
+SELL_AMT=$(echo "$SPOT_USDT0 $USDT0_HOLD" | awk '{v = int(($1 - $2) * 100) / 100; if (v > 0) printf "%.2f", v; else print "0"}')
+
+if [[ "$SELL_AMT" != "0" && "$SELL_AMT" != "0.00" ]]; then
+    info "Swapping $SELL_AMT USDT0 -> USDC on spot..."
+    RESULT=$(ft "{\"command\":\"sell\",\"symbol\":\"USDT0\",\"amount\":$SELL_AMT,\"price\":0.998}")
+    if [[ -z "$RESULT" ]]; then
+        warn "USDT0 -> USDC spot swap failed"
+        warn "USDT0 still in spot. Sell manually: hyperliquid sell USDT0 --amount $SELL_AMT --price 0.998"
+    else
+        SWAP_FILL=$(echo "$RESULT" | jq -r '.fillStatus // empty')
+        info "USDT0->USDC swap fill: $SWAP_FILL"
+        ok "Swapped $SELL_AMT USDT0 -> USDC"
+    fi
+else
+    info "No USDT0 available to swap back to USDC"
+fi