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docs: baseline catchup — CLAUDE.md refresh for PR #46/#51-55 merged state - #57

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Jul 20, 2026
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docs: baseline catchup — CLAUDE.md refresh for PR #46/#51-55 merged state#57
JC-000 merged 1 commit into
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docs/baseline-catchup-2026-07

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@JC-000JC-000 commented Jul 20, 2026

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Baseline-catchup PR: publishes the pre-session local docs commit (c4c872e) so the C64U session PR's diff stays minimal.

🤖 Generated with Claude Code

CLAUDE.md was partially updated during the session that produced
PRs #51-#55; several sections survived with pre-bump claims that no
longer match reality. This commit refreshes them in one pass:
- Crypto ABI: bump x25519 sibling pin v0.4.0 -> v0.6.0; mark P-256
as c64-lib-contract SPEC-aligned with the make -C libs/<X>
lib-VARIANT integration pattern.
- MEMORY requirements: rename CRYPTO -> CRYPTO_HOT (UCI) /
CRYPTO_RESIDENT (ip65) per the W1 hot/cold split; cross-link
c64-lib-contract repo + docs/library-ingestion-architecture.md.
- Build vars: document USE_X25519_SIBLING + EMBED_P256_OVERLAY.
- UCI Memory layout: collapse to a pointer at the post-W1 table
below.
- Known issues: rewrite the X25519 sibling block for v0.6.0 + the
post-W1 split; replace MemoryPolicy note with the centralized
VICE helper (tools/_vice_helpers.py::default_vice_config).
- ECDSA P-256 wall-clock: update to 82.1 s under v0.3.0 (was 86.7 s
under v0.2.0); drop the v0.2.0-era defensive-init footnote.
- Memory layout: replace pre-W1 monolithic CRYPTO table with the
full UCI + ip65 post-W1 layout; document the ip65 CRYPTO_COLD_SHADOW
1,662 B overflow tracked at c64-nist-curves#54.
docs/library-ingestion-architecture.md gets a "Status as of 2026-05-23"
appendix snapshotting which §3 library-side issues and §4 c64-https-side
work items landed via PRs #51-#55 vs. are still in-flight (Task #12 /
P-384 wall-clock / CI bot).
No source / cfg / integration script / submodule changes.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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