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ARCADIA-Studio/harness/release-checkpoint-integration-review-20260906.md

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Current staged checkpoint: bounded independent integration review

Reviewed the staged checkpoint on 2026-09-06, observing 287 changed files. This is a consequential integration, reproducibility and accidental-disclosure review, not a claim to have reviewed every changed line or accepted the release objective. No production files were changed and no Cargo or native tests were run for this review.

Findings

No material defect found within the checks below.

Check Observed result
Staged fixture inventory integrity All 65 entries in the five inventories below match SHA-256 of their exact staged Git blob bytes, including inventoried generators and READMEs. No stale digest was found.
Byte-preserving checkout/staging All 145 tracked files beneath the three explicitly protected path families have identical staged and working-tree bytes. .gitattributes disables text normalization for these exact source/recovery/history oracles.
Packaged teaching inputs All 30 current teaching .arcadia files are tracked. scripts/package-windows.ps1:125 enumerates tracked docs, examples and deployment inputs and therefore includes the complete teaching folder, including its evidence files. This checks input reachability; it does not rerun packaging.
Staged local/runtime data The staged filename inventory contains no .local, build target, runtime executable/DLL, credential/key or environment-secret files. The source-5 recovery JSON is deliberately synthetic: its adjacent generator uses fixed test identities, origin: None, fabricated source and invalid raw drafts.
Credential-pattern scan Zero matches in staged added lines for private-key headers, AWS access keys, GitHub/OpenAI token patterns or credential-bearing URLs. This bounded pattern scan cannot establish the absence of every possible secret.
Version boundary Staged crates/oa-core/src/model.rs still declares schema 6. The contextual-chain and interface-operation material is design/probe evidence; source/schema 7 is not implemented by this checkpoint.
Platform dependency boundary The new direct libc dependency is scoped to Linux in oa-core/Cargo.toml; it does not introduce a Windows runtime dependency. Runtime correctness remains covered by the separate platform evidence, not by this manifest inspection.

The checked inventories are harness/fixtures/interface-operation-probe/hashes.json, harness/fixtures/release1-native/artifacts/semantic-artifacts.hashes.json, harness/fixtures/release1-native/communication-means/hashes.json, harness/fixtures/release1-native/semantic-attachments.hashes.json, and harness/fixtures/release1-native/semantic-batch.hashes.json. The attachments inventory retains original absolute task-local paths as provenance; its tracked files were resolved by their unique basenames in the inventory directory and hashed from the index. No runtime data at those original paths was staged.

The byte-protected path families are harness/fixtures/release1-native/**, harness/fixtures/interface-operation-probe/**, and harness/history/2026-09-06-ledgers-before-consolidation/**. The existing exact upstream license whitespace must likewise remain unchanged; whitespace cleanup is not a substitute for a byte oracle.

Reproduction and limits

Enumerate the candidate with git diff --cached --name-only. Hash the bytes emitted by git cat-file blob :<path> with SHA-256 and compare each manifest entry. For the protected path families, compare git hash-object --no-filters -- <paths> against object IDs from git ls-files --stage -- <paths>; all 145 matched in this review. The ignored detailed hash result is .local/checkpoint-hash-audit-current.json.

Root separately reports the latest strict Clippy pass (28.26 seconds); this audit neither reran that command nor extends its result to subsequent changes. Native verification of the newest semantic-review navigation binary remains a separate gate. Source-7 contract decisions and implementation, and the remaining objective gates recorded in the current ledger, remain unfinished. A reproducible checkpoint is not a feature-complete release claim.