Add core-beans: bean scopes, the prototype-in-singleton trap, lifecycle callback order and graceful shutdown phases on Boot 4.1

Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01JoVmf2fWvcpoXndcDSwRf7
2026-09-24 04:59:41 +00:00
parent 9825efa081
commit 51f3ecd5da
65 changed files with 1780 additions and 0 deletions
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+# Two threads call the same singleton; a latch forces the interleaving
+
+UnsafeGreeter (state in a field)   : alice's call returned "Hello, bob"
+SafeGreeter   (state in a local)   : alice's call returned "Hello, alice"