fix(test-checkin-in-trace-id): Use explicit venv creation and activation in scripts

Create .venv with uv venv if missing, activate it, and install deps
with uv pip install -e . before running the app commands.

Refs PY-2437
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: ericapisani

test-checkin-in-trace-id/run-celery.sh

@@ -5,6 +5,13 @@ if ! command -v uv &> /dev/null; then
     curl -LsSf https://astral.sh/uv/install.sh | sh
 fi
 
+if [ ! -d ".venv" ]; then
+    uv venv
+fi
+
+source .venv/bin/activate
+uv pip install -e .
+
 redis-server &
 
-uv run celery -A tasks worker --loglevel=DEBUG
+celery -A tasks worker --loglevel=DEBUG

test-checkin-in-trace-id/run.sh

@@ -5,4 +5,11 @@ if ! command -v uv &> /dev/null; then
     curl -LsSf https://astral.sh/uv/install.sh | sh
 fi
 
-uv run python main.py
+if [ ! -d ".venv" ]; then
+    uv venv
+fi
+
+source .venv/bin/activate
+uv pip install -e .
+
+python main.py