Restore elementtracker.h and add build logging

- Restore missing elementtracker.h in wxWidgets (required for E2E tests)
- Add automatic log file redirection for build scripts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docker/build.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 # Build KiCad WASM inside Docker container, then apply asyncify on host
+
+# Redirect all output to a log file (re-execs script with redirection)
+source "$(dirname "$0")/../scripts/common/logging.sh"
 #
 # The build is split into two phases:
 # 1. Docker: Compile KiCad to WASM (without asyncify)

scripts/build-wasm-test.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 # Build the wxWidgets WASM test applications
+
+# Redirect all output to a log file (re-execs script with redirection)
+source "$(dirname "$0")/common/logging.sh"
 # This script creates library symlinks and builds the test apps
 #
 # Usage:

scripts/build-wxuniversal-wasm.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 # Build wxWidgets with wxUniversal for WebAssembly
+
+# Redirect all output to a log file (re-execs script with redirection)
+source "$(dirname "$0")/common/logging.sh"
 # This builds the GUI-enabled wxWidgets needed for KiCad
 #
 # Prerequisites:

scripts/common/logging.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+# Automatic log file redirection for build scripts
+#
+# Source this at the top of build scripts to redirect all output to a log file.
+# Uses self-re-exec pattern: the script re-launches itself with external redirection,
+# which reliably captures ALL output including docker compose TTY output.
+#
+# Detection logic:
+# - If KICAD_LOG_NESTED=1 (re-exec'd or nested call) → output normally
+# - If inside Docker (/workspace exists) → output normally
+# - Otherwise → re-exec with output redirected to logs/<script>/<timestamp>.log
+
+# Skip if already logging (re-exec'd or nested call)
+if [[ "${KICAD_LOG_NESTED:-0}" == "1" ]]; then
+    return 0 2>/dev/null || exit 0
+fi
+
+# Skip if inside Docker container
+if [[ -d "/workspace" ]]; then
+    return 0 2>/dev/null || exit 0
+fi
+
+# Get the calling script's absolute path
+_CALLER_DIR="$(cd "$(dirname "${BASH_SOURCE[1]}")" && pwd)"
+_CALLER_SCRIPT="${_CALLER_DIR}/$(basename "${BASH_SOURCE[1]}")"
+_SCRIPT_NAME="$(basename "${_CALLER_SCRIPT}" .sh)"
+
+# Find project root (walk up looking for .git)
+_PROJECT_ROOT="${_CALLER_DIR}"
+while [[ ! -d "${_PROJECT_ROOT}/.git" ]] && [[ "${_PROJECT_ROOT}" != "/" ]]; do
+    _PROJECT_ROOT="$(dirname "${_PROJECT_ROOT}")"
+done
+
+# Set up log file
+_LOGS_DIR="${_PROJECT_ROOT}/logs/${_SCRIPT_NAME}"
+_TIMESTAMP="$(date +%Y%m%d-%H%M%S)"
+_LOG_FILE="${_LOGS_DIR}/${_TIMESTAMP}.log"
+
+mkdir -p "${_LOGS_DIR}"
+
+# Show log path before re-exec
+echo "Logging to: ${_LOG_FILE}"
+
+# Re-exec the calling script with output redirected
+# This is equivalent to: ./script.sh > logfile 2>&1
+# and reliably captures ALL output including docker compose TTY messages
+export KICAD_LOG_NESTED=1
+exec "${_CALLER_SCRIPT}" "$@" > "${_LOG_FILE}" 2>&1

wxwidgets

@@ -1 +1 @@
-Subproject commit a63f35f88dc4039d979455876f7837adbfc089b2
+Subproject commit 4c8ef179b8539f24b3c2ddd8bf2dc8bf1af1cc1a