fix: align tracer source placement, use non-executable shebang (#1915)

docs check acknowledged — small consistency fixes, no new functionality.

Author: carlos-alm

tests/benchmarks/resolution/tracer/go-tracer.sh

@@ -8,8 +8,6 @@
 
 set -euo pipefail
 
-source "$(dirname "${BASH_SOURCE[0]}")/tracer-common.sh"
-
 FIXTURE_DIR="${1:-}"
 if [[ -z "$FIXTURE_DIR" ]]; then
     echo "Usage: go-tracer.sh <fixture-dir>" >&2
@@ -27,6 +25,8 @@ fi
 TMP_DIR="$(mktemp -d)"
 trap 'rm -rf "$TMP_DIR"' EXIT
 
+source "$(dirname "${BASH_SOURCE[0]}")/tracer-common.sh"
+
 cp "$FIXTURE_DIR"/*.go "$TMP_DIR/"
 
 # Create go.mod

tests/benchmarks/resolution/tracer/tracer-common.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+# shellcheck shell=bash
 # Shared helpers for the dynamic call tracer scripts in this directory.
 # Each tracer (native-tracer.sh, jvm-tracer.sh, go-tracer.sh, ...) is spawned
 # as its own subprocess by run-tracer.mjs, so sharing logic between them means