Here is a list of all files with brief descriptions:

[detail level 123]

include
base
base_log.h	Professional, thread-safe, leveled logging system
base_macros.h	Compile-time context detection, compiler abstractions, math utilities, and intrusive data structure macros
base_strings.h	Sized string (string slice) definitions and helper macros
base_types.h	Core type definitions and fixed-width aliases
memory
mem_allocator.h	Generic allocator interface (vtable) for polymorphic memory allocation
mem_arena.h	High-performance Virtual Memory Linear (Arena) Allocator
mem_os.h	Operating System virtual memory wrappers
pty.h	Pseudo Console (PTY) lifecycle, stream management, and shell process spawning
src
base
base_log.c	Implementation of the leveled logging subsystem
memory
mem_arena.c	Implementation of the Virtual Memory Linear (Arena) Allocator
mem_os.c	Implementation of the Virtual Memory Wrappers
main.c	Application entry point for the Winter terminal emulator
pty.c	Platform-specific implementation of the PTY interface
test
main.c
test_base.c
test_harness.h	A lightweight, dependency-free unit testing harness
test_log.c
test_memory.c