fix: sync template sysroot, add script

scripts/sync_template.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+# sync_template.sh - Refresh the standalone app SDK (template/sysroot) from the
+# live tree: headers from programs/include + freestanding toolchain headers,
+# libraries from programs/lib build outputs.
+# Usage: ./scripts/sync_template.sh (from project root; run 'make programs' first)
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+SYSROOT="$PROJECT_ROOT/template/sysroot"
+INC="$SYSROOT/include"
+LIB="$SYSROOT/lib"
+
+# Include directories from programs/include that form the app SDK surface.
+# (gui/dialogs.hpp depends on libloader/, so it ships too.)
+SDK_DIRS=(Api gui http libc libloader montauk tls)
+
+# Library build outputs copied into sysroot/lib.
+SDK_LIBS=(
+    "programs/lib/libc/liblibc.a"
+    "programs/lib/libc/crt1.o"
+    "programs/lib/libc/crti.o"
+    "programs/lib/libc/crtn.o"
+    "programs/lib/bearssl/libbearssl.a"
+    "programs/lib/libjpeg/libjpeg.a"
+    "programs/lib/tls/libtls.a"
+)
+
+# All libraries must exist before we wipe anything.
+for f in "${SDK_LIBS[@]}"; do
+    if [ ! -f "$PROJECT_ROOT/$f" ]; then
+        echo "sync_template: missing $f - run 'make programs' first" >&2
+        exit 1
+    fi
+done
+
+# The sysroot is fully generated from the sources below, so rebuild it from
+# scratch to drop headers that no longer exist upstream.
+rm -rf "$INC" "$LIB"
+mkdir -p "$INC" "$LIB"
+
+# Freestanding C headers (intrinsics, stddef.h, ...) and C++ headers,
+# flattened into the sysroot root like the compiler's default search path.
+cp -r "$PROJECT_ROOT/kernel/freestnd-c-hdrs/x86_64/include/." "$INC/"
+cp -r "$PROJECT_ROOT/kernel/freestnd-cxx-hdrs/x86_64/include/." "$INC/"
+
+# MontaukOS SDK headers.
+for d in "${SDK_DIRS[@]}"; do
+    cp -r "$PROJECT_ROOT/programs/include/$d" "$INC/$d"
+done
+
+# BearSSL public headers, available both as <bearssl.h> and <bearssl/bearssl.h>.
+cp "$PROJECT_ROOT"/programs/lib/bearssl/inc/*.h "$INC/"
+mkdir -p "$INC/bearssl"
+cp "$PROJECT_ROOT"/programs/lib/bearssl/inc/*.h "$INC/bearssl/"
+
+# Libraries and CRT objects.
+for f in "${SDK_LIBS[@]}"; do
+    cp "$PROJECT_ROOT/$f" "$LIB/"
+done
+
+echo "sync_template: refreshed $SYSROOT"
+echo "  headers:   freestnd-c-hdrs, freestnd-cxx-hdrs, programs/include/{${SDK_DIRS[*]}}, bearssl"
+echo "  libraries: $(cd "$LIB" && ls | tr '\n' ' ')"