chore: auto-commit (97 archivos)

- .claude/CLAUDE.md
- .claude/agents/fn-recopilador/SKILL.md
- .claude/rules/INDEX.md
- .claude/rules/cpp_apps.md
- bash/functions/infra/build_cpp_windows.sh
- cpp/CMakeLists.txt
- cpp/PATTERNS.md
- cpp/framework/app_base.cpp
- cpp/framework/app_base.h
- dev/issues/README.md
- ...

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

bash/functions/infra/build_cpp_windows.sh

@@ -1,34 +1,51 @@
 #!/usr/bin/env bash
+# build_cpp_windows — Cross-compila apps C++ del registry para Windows con
+# mingw-w64. Configura el build dir cpp/build/windows/ con la toolchain la
+# primera vez y construye el target indicado (o todos).
+#
+# Uso (funcion via source):
+#     source bash/functions/infra/build_cpp_windows.sh
+#     build_cpp_windows my_app    # construye target especifico
+#     build_cpp_windows           # construye todos
+#
+# Uso (script directo):
+#     bash bash/functions/infra/build_cpp_windows.sh my_app
+
 set -euo pipefail
 
-REGISTRY_ROOT="${FN_REGISTRY_ROOT:-$(cd "$(dirname "$0")/../../.." && pwd)}"
-CPP_ROOT="$REGISTRY_ROOT/cpp"
-BUILD_DIR="$CPP_ROOT/build/windows"
-TOOLCHAIN="$CPP_ROOT/toolchains/mingw-w64.cmake"
-TARGET="${1:-}"
+build_cpp_windows() {
+    local target="${1:-}"
+    local registry_root="${FN_REGISTRY_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." && pwd)}"
+    local cpp_root="$registry_root/cpp"
+    local build_dir="${BUILD_WIN:-$cpp_root/build/windows}"
+    local toolchain="$cpp_root/toolchains/mingw-w64.cmake"
 
-# Check mingw is available
-if ! command -v x86_64-w64-mingw32-g++ &>/dev/null; then
-    echo "[build_cpp_windows] Error: mingw-w64 not found. Install with: sudo apt install mingw-w64"
-    exit 1
-fi
+    if ! command -v x86_64-w64-mingw32-g++ &>/dev/null; then
+        echo "[build_cpp_windows] Error: mingw-w64 not found. Install with: sudo apt install mingw-w64" >&2
+        return 1
+    fi
 
-# Configure if needed
-if [ ! -f "$BUILD_DIR/CMakeCache.txt" ]; then
-    echo "[build_cpp_windows] Configuring cmake with mingw-w64 toolchain..."
-    cmake -B "$BUILD_DIR" -S "$CPP_ROOT" -DCMAKE_TOOLCHAIN_FILE="$TOOLCHAIN"
-fi
+    if [ ! -f "$build_dir/CMakeCache.txt" ]; then
+        echo "[build_cpp_windows] Configuring cmake with mingw-w64 toolchain..." >&2
+        cmake -B "$build_dir" -S "$cpp_root" -DCMAKE_TOOLCHAIN_FILE="$toolchain"
+    else
+        # Re-run cmake to pick up new add_subdirectory entries cuando se anade
+        # una app nueva al CMakeLists.txt (no rompe builds incrementales).
+        cmake "$build_dir" >/dev/null
+    fi
 
-# Build
-if [ -n "$TARGET" ]; then
-    echo "[build_cpp_windows] Cross-compiling target: $TARGET"
-    cmake --build "$BUILD_DIR" --target "$TARGET" -- -j"$(nproc)"
-else
-    echo "[build_cpp_windows] Cross-compiling all targets..."
-    cmake --build "$BUILD_DIR" -- -j"$(nproc)"
-fi
+    if [ -n "$target" ]; then
+        echo "[build_cpp_windows] Cross-compiling target: $target" >&2
+        cmake --build "$build_dir" --target "$target" -- -j"$(nproc)"
+    else
+        echo "[build_cpp_windows] Cross-compiling all targets..." >&2
+        cmake --build "$build_dir" -- -j"$(nproc)"
+    fi
 
-echo "[build_cpp_windows] Done. Windows binaries in $BUILD_DIR"
-if [ -n "$TARGET" ]; then
-    file "$BUILD_DIR"/**/"$TARGET".exe 2>/dev/null || file "$BUILD_DIR/$TARGET".exe 2>/dev/null || true
+    echo "[build_cpp_windows] Done. Windows binaries in $build_dir" >&2
+}
+
+# Invocacion directa como script (compatibilidad).
+if [ "${BASH_SOURCE[0]}" = "${0}" ]; then
+    build_cpp_windows "$@"
 fi