feat: Harbour-compatible VM shutdown sequence

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Implements full cleanup on program exit (normal, Ctrl+C, crash):
- EXIT PROCEDURE auto-execution (reverse module order)
- AtExit callback registry (LIFO order)
- All WorkAreas auto-close (child before parent)
- Terminal restore (raw → normal) on signal/exit
- Static variables clear
- Signal handlers (SIGINT, SIGTERM) for clean shutdown
- shutdown.go: Harbour hb_vmQuit() 25-step sequence adapted for Five
- vm.go: Run() now calls Shutdown() via defer
- rawtty.go: terminal restore registered with shutdown system

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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This commit is contained in:

Charles KWON OhJun

2026-03-31 10:07:42 +09:00

parent d774f1598c

commit 272576f6ce

5 changed files with 286 additions and 13 deletions

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