fz v1.9.0 – cross‑compilation, static libraries, LSP, full test coverage Latest

• Cross‑compilation (-target <triple>): ARM, RISC‑V, x86_64, i386
• Static libraries (-type static / -lib): build .a archives
• LSP support (-compile-commands): generate compile_commands.json for clangd
• Shell improvements: single‑file builds, all commands work

🔧 Improvements:
• linker test coverage: 60.2% (up from 17%)
• replaceable utils.CheckToolFunc for test mocks
• unique object file names, better error messages

📊 Test coverage: assembler 60%, builder 58%, compilecommands 76%, config 68%, ignore 91%, init 67%, linker 60%, man 100%, shell 45%, updater 43%, utils 93%, watcher 78%

📦 Install: go install github.com/forgezero-cli/ForgeZero/cmd/fz@latest