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FASE_16_RELEASE_NOTES.md

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FASE 16 Release Notes

Summary

FASE 16 delivers the first executable freestanding bridge between CCT and LBOS. The phase closes at 16D.4 with --profile freestanding, ASM emission, bridge packaging, and full host-regression preservation.

Highlights

16A — Freestanding Profile Foundations

  • Explicit profile selection (host / freestanding) in CLI flow.
  • Freestanding semantic restrictions for unsupported host/runtime modules.
  • Lowering matrix and diagnostic contracts consolidated for the bridge subset.

16B — Runtime and Kernel Bridge Surface

  • Freestanding runtime shim (src/runtime/cct_freestanding_rt.h/.c) integrated.
  • cct/kernel module delivered for bridge-safe services.
  • Explicit freestanding entry contract (--entry -> cct_fn_<mod>_<entry>) stabilized.

16C — ASM Toolchain Path

  • --emit-asm pipeline stabilized for Intel GAS syntax.
  • Canonical ASM validation gate added (tools/validate_freestanding_asm.sh).
  • End-to-end flow (emit-asm -> as --32 -> nm) closed with regression coverage.

16D — Bridge Packaging and Closure

  • make lbos-bridge publishes canonical bridge artifact under build/lbos-bridge/.
  • Linkability evidence and closure governance documents published.
  • Phase closure completed with full regression green and handoff to FASE 17.

Compatibility Notes

  • Default host behavior remains unchanged.
  • Freestanding profile intentionally blocks host-only modules and unsupported dynamic paths.
  • third_party/cct-boot remained read-only during the phase.

Operational References

  • ./cct --profile freestanding --emit-asm --entry <rituale> <file.cct>
  • make lbos-bridge
  • tools/validate_freestanding_asm.sh

Verification Artifacts

  • docs/bootstrap/FASE_16_HANDOFF.md
  • docs/bootstrap/CCT_ABI_V0_LBOS.md
  • docs/bootstrap/CCT_SYMBOL_NAMING_V0.md
  • docs/bootstrap/CCT_LOWERING_MATRIX_V0.md
  • docs/bootstrap/CCT_ASM_SYNTAX_DECISION.md
  • docs/bootstrap/EVIDENCIA_LINK_16D2.md

Known Limits Carried Forward

  • No self-hosting in FASE 16.
  • ORDO payload language support remains out of scope.
  • Freestanding numeric/runtime surface remains intentionally conservative.