feat: Add opencode on CodeSandbox (#905)

Agent: gap-filler

Co-authored-by: B (Discovery Team) <6723574+louisgv@users.noreply.github.com>

codesandbox/opencode.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+set -eo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" 2>/dev/null && pwd)"
+if [[ -n "${SCRIPT_DIR}" && -f "${SCRIPT_DIR}/lib/common.sh" ]]; then
+    source "${SCRIPT_DIR}/lib/common.sh"
+else
+    eval "$(curl -fsSL https://raw.githubusercontent.com/OpenRouterTeam/spawn/main/codesandbox/lib/common.sh)"
+fi
+
+log_info "OpenCode on CodeSandbox"
+echo ""
+
+ensure_codesandbox_cli
+ensure_codesandbox_token
+
+SERVER_NAME=$(get_server_name)
+create_server "${SERVER_NAME}"
+wait_for_cloud_init
+
+log_step "Installing OpenCode..."
+run_server "curl -fsSL https://raw.githubusercontent.com/opencode-ai/opencode/refs/heads/main/install | bash"
+
+echo ""
+if [[ -n "${OPENROUTER_API_KEY:-}" ]]; then
+    log_info "Using OpenRouter API key from environment"
+else
+    OPENROUTER_API_KEY=$(get_openrouter_api_key_oauth 5188)
+fi
+
+log_step "Setting up environment variables..."
+run_server 'echo "export OPENROUTER_API_KEY=\"'"${OPENROUTER_API_KEY}"'\"" >> ~/.bashrc'
+
+echo ""
+log_info "CodeSandbox setup completed successfully!"
+echo ""
+
+log_step "Starting OpenCode..."
+sleep 1
+clear
+interactive_session "source ~/.bashrc && opencode"