src/Makefile — Primary Source Build Makefile

• Targets: all (static library), debug, release, test, run, burn, install, uninstall, clean, veryclean, distclean, release
• VERSION header auto-generation from src/d3tui/version.h
• Source groups: TERMINAL, RENDER, FONT, INPUT, VMU, MEMORY, DEBUG, SPECTRE, ASSET, API (14 files)
• SHACHI optional integration via shachi.mk include
• Linking with KOS startup chain (startup.o, KOS CRT, libkallisti)
• KOS toolchain paths: sh-elf-gcc, sh-elf-{ar,ld,objcopy,objdump,strip,ranlib}
• Test targets: term, arc_001, arc_002, tex_001, tex_002, str_002, mem, spectre, input, vmu, smoke