chore(main): release 1.8.3

[alxxjohn]

🤖 I have created a release beep boop

1.8.3 (2026-08-30)

Bug Fixes

• avoid conversion shape shadow (4d23d58)
• bound TypeScript captures to lexical scope (cb4f157)
• close C++ scope and namespace gaps (abdb752)
• close structural acceptance parser gaps (202c57f)
• close structural evidence compatibility gaps (7a5210a)
• close structural origin review findings (9cfe717)
• harden C++ structural ownership resolution (5fb8c7d)
• harden Go structural ownership state (2f2c286)
• merge Go field semantics and fallthrough state (ea8fa30)
• preserve Go conversion ownership (cbaa5e9)
• refine structural effect grammar (7c759d2)
• resolve C++ structural mutation ownership (84f1265)
• resolve Go structural mutation ownership (085af1a)
• resolve indexed Go conversions (394689b)
• resolve structural mutation ownership from scopes (#172) (cdac600)
• stabilize structural finding identity (14fe1d4)

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[alxxjohn]

🤖 Created releases:

• v1.8.3

🌻