chore: add qwen-code sandbox launcher script

scripts/qwen-sbx.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+# Start a docker-sbx "shell" sandbox for this repo, seed it with (almost) the
+# host's whole ~/.qwen config, install the local MCP servers it references,
+# and run qwen-code in it. Pass a prompt as args, or nothing for interactive.
+set -euo pipefail
+
+SANDBOX=qwen-sbx
+REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+QWEN_VERSION=0.23.1
+CONTAINER_HOME=/home/agent
+NETWORK_HOSTS="proxy-ai.haylan.de,astro.dev,*.astro.dev,astro.build,*.astro.build,mcp.docs.astro.build" # model provider + Astro docs/sites/MCP
+
+if ! sbx ls --format '{{.Name}}' 2>/dev/null | grep -qx "$SANDBOX"; then
+  sbx create shell "$REPO_DIR" --name "$SANDBOX"
+  sbx exec "$SANDBOX" -- npm install -g "@qwen-code/qwen-code@$QWEN_VERSION"
+
+  stage="$(mktemp -d)"
+  trap 'rm -rf "$stage"' EXIT
+  # Only drop genuinely disposable local history/logs; everything else
+  # (extensions, mcp-servers, skills, hooks, settings...) comes along.
+  rsync -a \
+    --exclude 'projects' --exclude 'sessions' --exclude 'debug' \
+    --exclude 'tmp' --exclude 'usage' --exclude 'usage_record.jsonl' \
+    --exclude 'file-history' \
+    "$HOME/.qwen/" "$stage/"
+  # settings.json hardcodes host absolute paths (/home/haylan/...) for local
+  # MCP servers; rewrite to the container's home so they resolve there too.
+  sed -i "s#$HOME/#$CONTAINER_HOME/#g" "$stage/settings.json"
+
+  # sbx cp chokes on directories with many small files ("closed pipe"); tar
+  # to one file locally and extract server-side to dodge that entirely.
+  tar -C "$stage" -czf "$stage.tar.gz" .
+  sbx cp "$stage.tar.gz" "$SANDBOX:$CONTAINER_HOME/qwen-config.tar.gz"
+  sbx exec "$SANDBOX" -- bash -lc "mkdir -p \$HOME/.qwen && tar -C \$HOME/.qwen -xzf \$HOME/qwen-config.tar.gz && rm \$HOME/qwen-config.tar.gz"
+
+  # codebase-memory-mcp (github.com/DeusData/codebase-memory-mcp) is a
+  # statically-linked binary outside ~/.qwen; same arch as the sandbox, so
+  # just ship the compiled binary rather than rebuilding it in-container.
+  sbx exec "$SANDBOX" -- mkdir -p "$CONTAINER_HOME/.local/bin"
+  sbx cp "$HOME/.local/bin/codebase-memory-mcp" "$SANDBOX:$CONTAINER_HOME/.local/bin/codebase-memory-mcp"
+  sbx exec "$SANDBOX" -- chmod +x "$CONTAINER_HOME/.local/bin/codebase-memory-mcp"
+
+  sbx policy allow network --sandbox "$SANDBOX" "$NETWORK_HOSTS"
+fi
+
+# -y: headless qwen refuses shell/web tool calls otherwise; the sandbox is the safety boundary.
+sbx exec "$SANDBOX" -- qwen -y "$@"