update eval-driven-dev skill (#1352)

* update eval-driven-dev skill

* small refinement of skill description

* address review, rerun npm start.

skills/eval-driven-dev/resources/setup.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+# Setup script for eval-driven-dev skill.
+# Updates the skill, installs/upgrades pixie-qa[all], initializes the
+# pixie working directory, and starts the web UI server in the background.
+# Failures are non-fatal — the workflow continues even if a step here is
+# blocked by the environment.
+set -u
+
+echo "=== Updating skill ==="
+npx skills update || echo "(skill update skipped)"
+
+echo ""
+echo "=== Installing / upgrading pixie-qa[all] ==="
+if [ -f uv.lock ]; then
+  uv add "pixie-qa[all]>=0.6.1,<0.7.0" --upgrade
+elif [ -f poetry.lock ]; then
+  poetry add "pixie-qa[all]>=0.6.1,<0.7.0"
+else
+  pip install --upgrade "pixie-qa[all]>=0.6.1,<0.7.0"
+fi
+
+echo ""
+echo "=== Initializing pixie working directory ==="
+if [ -f uv.lock ]; then
+  uv run pixie init
+elif [ -f poetry.lock ]; then
+  poetry run pixie init
+else
+  pixie init
+fi
+
+echo ""
+echo "=== Starting web UI server (background) ==="
+if [ -f uv.lock ]; then
+  uv run pixie start
+elif [ -f poetry.lock ]; then
+  poetry run pixie start
+else
+  pixie start
+fi
+
+echo ""
+echo "=== Setup complete ==="