🧩 Analysis chain

\n\n🏁 Script executed:\n\n```shell\n#!/bin/bash\nset -euo pipefail\n\nprintf '%s\\n' '== current commit and changed files =='\ngit rev-parse HEAD\ngit show --format=fuller --stat --oneline 2617370\ngit diff --name-only 2617370^ 2617370\n\nprintf '%s\\n' '== Rust module outlines =='\nfd -a -t f '\\.rs$' crates/o7-a1-contracts | sort | while IFS= read -r f; do\n echo \"--- $f\"\n ast-grep outline \"$f\" --items all 2>/dev/null || true\ndone\n\nprintf '%s\\n' '== targeted symbols and serde attributes =='\nrg -n -C 8 -P '\\b(Optional|FrozenVersion|Timestamp|ParseError|ArtifactRef|max_size|validate_document|parse_payload|from_(str|slice|value)|serde\\(|Deserialize|Default)\\b' \\\n crates/o7-a1-contracts\n\nprintf '%s\\n' '== relevant changed source =='\nfor f in \\\n crates/o7-a1-contracts/src/scalars.rs \\\n crates/o7-a1-contracts/src/json.rs \\\n crates/o7-a1-contracts/src/refs.rs \\\n crates/o7-a1-contracts/src/envelope.rs \\\n crates/o7-a1-contracts/tests/fd1_wire_seed.rs; do\n if [ -f \"$f\" ]; then\n echo \"--- $f\"\n cat -n \"$f\"\n fi\ndone\n\nprintf '%s\\n' '== contract/task references =='\nif [ -f docs/tasks/a1-v0.md ]; then\n cat -n docs/tasks/a1-v0.md\nfi\nrg -n -i -C 4 'interaction_manifest|evidence.blob|evidence blob|control artifact|FD-1\\.4|64 MiB|1 MiB' \\\n README.md TODO.md docs crates 2>/dev/null || true\n```\n\nLength of output: 135268\n\n---\n\n🏁 Script executed:\n\n```shell\n#!/bin/bash\nset -euo pipefail\n\nprintf '%s\\n' '== ArtifactRef construction, deserialization, and validation call sites =='\nrg -n -C 5 -P '\\b(ArtifactRef|parse_artifact|parse_payload|validate_wire|\\.validate\\s*\\()\\b|serde_json::from_(str|slice|value)\\s*::<[^>]*ArtifactRef' \\\n crates docs\n\nprintf '%s\\n' '== exact ArtifactKindV1 classification =='\nsed -n '100,330p' crates/o7-a1-contracts/src/kind.rs\n\nprintf '%s\\n' '== FD-1.7 through FD-1.9 and reference resolution text =='\nsed -n '360,430p' docs/q-deck/a1-authority-contracts.md\nsed -n '290,330p' docs/q-deck/a1-authority-contracts.md\nsed -n '380,400p' docs/q-deck/a1-authority-contracts.md\n\nprintf '%s\\n' '== enforcement-change diff =='\ngit diff --find-renames --find-copies --unified=80 2617370^ 2617370 -- \\\n crates/o7-a1-contracts/src/scalars.rs \\\n crates/o7-a1-contracts/src/json.rs \\\n crates/o7-a1-contracts/src/refs.rs \\\n crates/o7-a1-contracts/src/envelope.rs \\\n crates/o7-a1-contracts/src/kind.rs\n\nprintf '%s\\n' '== error formatting implementations =='\nrg -n -C 6 -P '#\\[error\\(|impl\\s+(?:std::fmt::Display|WireArtifact)|map_err|Error::custom|to_string\\(' \\\n crates/o7-a1-contracts/src\n```\n\nLength of output: 117391\n\n---\n\n🏁 Script executed:\n\n```shell\n#!/bin/bash\nset -euo pipefail\n\nprintf '%s\\n' '== Digest256 definition and deserialization errors =='\nrg -n -C 12 -P '\\b(Digest256|DigestFormatError)\\b|impl<.*Deserialize|impl.*Display|#\\[error\\(' \\\n crates/o7-run\n\nprintf '%s\\n' '== direct serde errors for public scalar fields and test coverage =='\nrg -n -C 8 -P 'from_(str|slice|value).*EnvelopeV1|Digest256|contract_digest|payload_digest|prompt_digest|tool_policy_digest' \\\n crates/o7-a1-contracts/tests crates/o7-a1-contracts/src\n\nprintf '%s\\n' '== exact lines for the confirmed reference finding =='\nnl -ba crates/o7-a1-contracts/src/refs.rs | sed -n '42,130p'\nnl -ba crates/o7-a1-contracts/src/envelope.rs | sed -n '185,230p'\nnl -ba docs/q-deck/a1-authority-contracts.md | sed -n '360,400p'\n```\n\nLength of output: 164917\n\n---\n\n

\n\n`@PhysShell` I found two actionable defects.\n\n1. **P0 — Direct serde errors still disclose rejected digest values.** \n `Digest256` is re-exported from `o7-run`, but `DigestFormatError` stores and formats the rejected value in `crates/o7-run/src/event.rs` Lines 34-39. Its `Deserialize` implementation forwards that error at Lines 92-99. Therefore:\n\n ```rust\n serde_json::from_slice::(\n br#\"{\"contract_digest\":\"ghp_secret_...\",\"...\": \"...\"}\"#\n )\n ```\n\n returns a serde error that includes `ghp_secret_...`. `parse_artifact` redacts this path, but the stated guarantee includes direct deserialization. Wrap `Digest256` in an A1-local deserializing type that returns only a redacted shape error, or change the shared `DigestFormatError` formatting so it never includes the rejected value. Add a regression test that formats the direct `EnvelopeV1` serde error for an invalid secret-like digest.\n\n2. **P1 — `ArtifactRef` accepts a typed artifact with an invalid media type.** \n `ArtifactRef::validate()` in `crates/o7-a1-contracts/src/refs.rs` Lines 62-82 checks only that `media_type` is nonempty and bounded. It does not enforce FD-1.7 for typed artifacts. As a result, `parse_artifact::()` accepts an `artifact_refs` entry such as:\n\n ```json\n {\n \"kind\": \"work_order\",\n \"media_type\": \"text/x-diff\",\n \"digest\": \"\",\n \"size\": 1\n }\n ```\n\n FD-1.7 requires `application/vnd.o7.a1.work_order+json; v=1` for this typed artifact. Reject a typed `media_type` that does not match its `kind` and frozen version. Add a regression test through `parse_artifact::()`.\n\nI found no P0/P1 defect in `Optional` or `FrozenVersion` for `EnvelopeV1`. Each optional envelope field has `#[serde(default)]`, and a present `null` invokes `Optional::deserialize()` and fails. I also found no P0/P1 defect in the 64 MiB `interaction_manifest` interpretation. FD-1.4 explicitly includes “manifest” in the evidence-blob examples.\n\n_{You are interacting with an AI system.}","\n> [!TIP]\n> For best results, initiate chat on the files or code changes.\n\n

🧩 Analysis chain

\n\n🏁 Script executed:\n\n```shell\n#!/bin/bash\nset -euo pipefail\n\ngit show --stat --oneline 2617370\ngit diff 2617370^ 2617370 -- \\\n crates/o7-a1-contracts \\\n AGENTS.md \\\n docs/tasks/a1-v0.md\n\nprintf '\\n--- Changed Rust structure ---\\n'\nfd -e rs . crates/o7-a1-contracts | sort | while IFS= read -r f; do\n ast-grep outline \"$f\" --items all --view compact || true\ndone\n\nprintf '\\n--- Relevant definitions and test assertions ---\\n'\nrg -n -C 4 \\\n 'FrozenVersion|Optional<|BoundedText|impl.*Deserialize.*Timestamp|WireArtifact|parse_artifact|parse_payload|validate_document|ParseError|ScalarError|max_size|interaction_manifest|MAX_CONTROL_ARTIFACT_BYTES|MAX_EVIDENCE_BLOB_BYTES|ArtifactKindV1::ALL|secret|ghp_' \\\n crates/o7-a1-contracts AGENTS.md docs/tasks/a1-v0.md || true\n```\n\nLength of output: 137514\n\n---\n\n🏁 Script executed:\n\n```shell\n#!/bin/bash\nset -euo pipefail\n\nprintf '%s\\n' '--- Public parsing API ---'\nsed -n '75,165p' crates/o7-a1-contracts/src/json.rs\nsed -n '45,75p' crates/o7-a1-contracts/src/lib.rs\n\nprintf '%s\\n' '--- Parsing and direct deserialization call sites ---'\nrg -n -C 5 --type rust \\\n '\\bparse_payload\\s*(::|<|\$)|\\bparse_artifact\\s*(::|<|\\()|serde_json::from_(str|slice|value)\\s*::?\\s*<' \\\n . \\\n -g '!target/**'\n\nprintf '%s\\n' '--- Envelope construction and validation call sites ---'\nrg -n -C 4 --type rust \\\n '\\bEnvelopeV1\\b|\\bvalidate_wire\\s*\\(|\\.validate\\(\$' \\\n . \\\n -g '!target/**'\n\nprintf '%s\\n' '--- Crate lint configuration ---'\ncat crates/o7-a1-contracts/Cargo.toml\n```\n\nLength of output: 90834\n\n---\n\n

\n\n`@PhysShell` P1: `parse_payload` still permits invalid envelopes to enter the typed model.\n\n`parse_payload` remains public in `crates/o7-a1-contracts/src/json.rs` (Line 150). Its type bound allows `parse_payload::`. It does not call `WireArtifact::validate_wire()`.\n\nThe regression test at `crates/o7-a1-contracts/tests/fd1_wire_seed.rs` (Line 438) explicitly confirms this path. A provider envelope without `provider_execution_receipt_ref` returns `Ok(EnvelopeV1)` through `parse_payload`.\n\nA later caller can use that public API instead of `parse_artifact` and persist, replay, or process an envelope that violates the provider-evidence rule. Documentation cannot enforce the admission boundary.\n\nMake the unchecked typed-deserialization helper private, or otherwise make the public API unable to parse a `WireArtifact` without `validate_wire()`.\n\n---\n\n

✏️ Learnings added — pending approval

\n\n```\nLearnt from: PhysShell\nURL: https://github.com/PhysShell/007/pull/124\n\nTimestamp: 2026-08-10T02:34:03.760Z\nLearning: In the Rust crate `crates/o7-a1-contracts`, per-field A1 wire constraints use `FrozenVersion`, `Optional`, `BoundedText`, and manual `Timestamp` deserialization. Cross-field artifact constraints use the `WireArtifact` trait and `parse_artifact`. Rejected-artifact error strings must not include untrusted JSON keys or values because credential leakage is P0 under `AGENTS.md`.\n```\n\n> These changes will be applied once approved by an admin.\n\n> Note: Learnings are effective only in the context of similar code segments. To apply general coding guidelines, please configure [review instructions](https://docs.coderabbit.ai/guides/review-instructions). You can manage existing learnings in the [app](https://app.coderabbit.ai/learnings).\n\n

\n\n_{You are interacting with an AI system.}","@coderabbitai review\n\n@codex review\n\nRe-review requested on `2617370`, which is not a touch-up: it moves the wire guarantees out of `validate()` and into the field types, and rewrites how `ParseError` is constructed. A fix that changes the enforcement mechanism deserves the same scrutiny as the code it replaces — the first pass found four defects each, and the last thing this crate needs is a fix that is merely *differently* wrong.\n\nWorth pointing at specifically:\n\n1. **`Optional` and `FrozenVersion`** (`src/scalars.rs`) — the claim is that these have no representation for the values the contract forbids, so no deserialization path can produce one. Is that actually true, including through `serde_json::from_value`, `#[serde(flatten)]`, or a `Default` that skips the deserializer? `Optional` depends on the field carrying `#[serde(default)]` for absent-vs-null to be distinguishable; is there a way to reach it without that?\n2. **Error redaction** (`src/json.rs`) — errors now carry serde's *category* and line/column instead of its message, object members as `*`, array indices verbatim. Does any path still put payload content into a `ParseError`, a `ScalarError`, an `EnvelopeError` or a `RefError`? Line and column are positions in the rejected document — is that itself too much for a P0 credential rule?\n3. **`ArtifactRef::max_size`** — the deliberate divergence from Codex's suggestion is that `interaction_manifest` keeps the 64 MiB evidence bound, because FD-1.4 names \"manifest\" in its evidence-blob line and 4096 `interaction_sequence` entries sit poorly under 1 MiB. That is a reading of an ambiguous line in a frozen contract; a second opinion on it is more useful than agreement.\n\nScope is unchanged: resolver and closure traversal, the campaign reducer, receipt congruence, provider adapters and the human lane are later steps of `docs/tasks/a1-v0.md`, absent by construction.\n\n---\n_Generated by [Claude Code](https://claude.ai/code)_","All eight findings confirmed and fixed in `2617370`. Opening at step 1 rather than step 8 paid for itself: these are foundation defects, and every one of them would have been buried under CAS traversal and the reducer by the time a step-8 review saw them.\n\nThey divide into one design mistake and one class of leak.\n\n## The design mistake — four findings, one shape\n\n@chatgpt-codex-connector found it from two sides: `parse_payload` never called `EnvelopeV1::validate`, so an envelope with `envelope_version: 2` parsed `Ok`; and `serde_json::from_str::` skipped `validate_document` entirely, so `\"causation_id\": null` was accepted as absent. The `producer_adapter_version` / `model_identity` bounds had the same shape, and @coderabbitai found the fourth instance: `Timestamp` derived `Deserialize`, so its 64-byte bound was dead for every value that arrives over the wire — which is the only way values arrive.\n\nMy test suite passed throughout, because every test called `validate()` by hand. That is exactly the caller behaviour the defect assumed, so the suite was confirming the assumption rather than testing it.\n\nThe fix is not to add `validate()` calls in more places. Every rule a single field can establish now lives in that field's type:\n\n| | |\n|---|---|\n| `FrozenVersion<1>` | an unsupported version has no representation |\n| `Optional` | no representation for `null` — `Option` silently accepts the one encoding FD-1.3 forbids |\n| `BoundedText` | §3.0's 128-byte adapter version and 256-byte model identity |\n| `Timestamp` | manual `Deserialize`, per the suggested fix |\n\nWhat remains for validation is only what relates two fields to each other, and `parse_artifact` runs it through a `WireArtifact` trait instead of trusting each caller. So my claim in the PR body that one pre-deserialization pass made new schemas inherit the policy was half right — the inheritance is real, but it had to come from the types, not from the pass.\n\n## The leak\n\n`ParseError` copied serde's `Display` text and JSON object member names into error strings, so a payload `{\"ghp_…\":\"…\"}` put that key in a message and a rejected enum value went in verbatim. AGENTS.md makes credential leakage a P0 and a rejected artifact is untrusted input that may contain anything, so this is the more serious of the two.\n\nErrors now report shape and position only: serde's error **category** and line/column rather than its message; object members as `*` in paths; array indices kept, because a position is not content. `ScalarError` no longer echoes the rejected `CommitId` either. Two regression tests assert that no secret-like key or value reaches a formatted error.\n\n## Bounds\n\n`ArtifactRef::max_size` derived the envelope allowance from `MAX_EVIDENCE_BLOB_BYTES`, so it equalled 1 MiB only by coincidence of two unrelated constants — now `MAX_CONTROL_ARTIFACT_BYTES * 2`, with the tests that branch previously lacked. Typed non-envelope payloads were inheriting the 64 MiB evidence bound instead of the 1 MiB control bound, so a ref could declare a 64 MiB execution receipt and be charged and read at sixty-four times what FD-1.4 permits.\n\n**One deliberate divergence, flagged rather than silently taken:** `interaction_manifest` keeps the 64 MiB evidence bound. Codex grouped it with the typed payloads, but FD-1.4 names \"manifest\" explicitly in its evidence-blob line, and 4096 permitted `interaction_sequence` entries sit uncomfortably against a 1 MiB ceiling. That is a reading of an ambiguous line in the frozen contract, not a preference — it is recorded in a doc comment and a test so it is visible rather than implied by an absent branch. Worth a second opinion.\n\n`ArtifactKindV1` gained an exhaustive `ALL` and the spelling test now covers all 39 variants instead of 21.\n\n71 tests, `cargo fmt --check` and `cargo clippy --all-targets` clean.\n\n---\n_Generated by [Claude Code](https://claude.ai/code)_","**Actionable comments posted: 4**\n\n

🤖 Prompt for all review comments with AI agents

\n\n```\nVerify each finding against current code. Fix only still-valid issues, skip the\nrest with a brief reason, keep changes minimal, and validate.\n\nInline comments:\nIn `@crates/o7-a1-contracts/src/json.rs`:\n- Around line 86-88: Replace the serde_json error text in the deserialization\npath with fixed schema-mismatch wording instead of propagating e.to_string(). In\nwalk, ensure ExplicitNull, DepthExceeded, ArrayTooLong, and StringTooLong errors\nuse fixed path segments rather than untrusted object keys or payload values, and\nadd regression tests asserting secret-like keys and values are absent from\nformatted ParseError messages.\n\nIn `@crates/o7-a1-contracts/src/kind.rs`:\n- Around line 264-279: Extend the serde spelling test to cover every\nArtifactKindV1 variant. Add an exhaustive ArtifactKindV1::ALL constant,\nmirroring MessageKindV1::ALL with an array length that requires updates when\nvariants change, then iterate it in the_serde_spelling_is_the_framed_name and\ncompare serde output with kind.name().\n\nIn `@crates/o7-a1-contracts/src/refs.rs`:\n- Around line 91-98: Update ArtifactRef::max_size so the envelope-bearing branch\nderives its allowance from MAX_CONTROL_ARTIFACT_BYTES, yielding the documented 2\n* MAX_CONTROL_ARTIFACT_BYTES bound. Add coverage for this branch with an\nenvelope-bearing WorkOrder ref that validates at the bound and returns\nSizeAboveBound at bound plus one.\n\nIn `@crates/o7-a1-contracts/src/scalars.rs`:\n- Around line 167-183: Replace the derived Deserialize implementation for\nTimestamp with a manual impl that deserializes the raw String and passes it\nthrough Timestamp::parse, mapping ScalarError via serde::de::Error::custom.\nPreserve the existing Serialize, derives, and 64-byte validation behavior.\n```\n\n

\n\n---\n\n

ℹ️ Review info

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⚙️ Run configuration

\n\n**Configuration used**: Path: .coderabbit.yaml\n\n**Review profile**: QUIET\n\n**Plan**: Pro Plus\n\n**Run ID**: `4a934f00-6715-47cf-8dfa-44b42084ece7`\n\n

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📥 Commits

\n\nReviewing files that changed from the base of the PR and between 69ccef5db148b21f5e671d68761fce383a34b407 and b2ba165f16b6ea092b6c305fde2c85893fc787a5.\n\n

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⛔ Files ignored due to path filters (1)

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📒 Files selected for processing (13)

\n\n* `Cargo.toml`\n* `TODO.md`\n* `crates/o7-a1-contracts/Cargo.toml`\n* `crates/o7-a1-contracts/src/bounds.rs`\n* `crates/o7-a1-contracts/src/envelope.rs`\n* `crates/o7-a1-contracts/src/framing.rs`\n* `crates/o7-a1-contracts/src/json.rs`\n* `crates/o7-a1-contracts/src/kind.rs`\n* `crates/o7-a1-contracts/src/lib.rs`\n* `crates/o7-a1-contracts/src/refs.rs`\n* `crates/o7-a1-contracts/src/scalars.rs`\n* `crates/o7-a1-contracts/tests/fd1_wire_seed.rs`\n* `docs/tasks/a1-v0.md`\n\n

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📜 Review details

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⏰ Context from checks skipped due to timeout. (1)

\n\n* GitHub Check: worker gate\n\n

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🧰 Additional context used

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📓 Path-based instructions (8)

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**/*.{rs,toml,json,yaml,yml,md}

\n\n\n**📄 CodeRabbit inference engine (AGENTS.md)**\n\n> Prevent credential leakage: never place credentials, OAuth/session artifacts, tokens, environment dumps, or agent output that may contain secrets into repository files, logs, serialized structs, run records, subprocess environments, or error strings. For `o7 invoke --engine arliai`, handle `ARLIAI_API_KEY` only as a function-local value, pass only a borrowed trimmed view to HTTP, strip it from provider subprocesses, and fail closed when TRACE logging is enabled.\n\nFiles:\n- `TODO.md`\n- `Cargo.toml`\n- `docs/tasks/a1-v0.md`\n- `crates/o7-a1-contracts/Cargo.toml`\n- `crates/o7-a1-contracts/src/lib.rs`\n- `crates/o7-a1-contracts/src/refs.rs`\n- `crates/o7-a1-contracts/src/framing.rs`\n- `crates/o7-a1-contracts/tests/fd1_wire_seed.rs`\n- `crates/o7-a1-contracts/src/json.rs`\n- `crates/o7-a1-contracts/src/envelope.rs`\n- `crates/o7-a1-contracts/src/bounds.rs`\n- `crates/o7-a1-contracts/src/kind.rs`\n- `crates/o7-a1-contracts/src/scalars.rs`\n\n

**/*.{rs,json,yaml,yml,md}

\n\n\n**📄 CodeRabbit inference engine (AGENTS.md)**\n\n> Preserve backward compatibility and completeness of the canonical `runs///` run record, including ensuring partially failed runs cannot produce records that appear complete.\n\nFiles:\n- `TODO.md`\n- `docs/tasks/a1-v0.md`\n- `crates/o7-a1-contracts/src/lib.rs`\n- `crates/o7-a1-contracts/src/refs.rs`\n- `crates/o7-a1-contracts/src/framing.rs`\n- `crates/o7-a1-contracts/tests/fd1_wire_seed.rs`\n- `crates/o7-a1-contracts/src/json.rs`\n- `crates/o7-a1-contracts/src/envelope.rs`\n- `crates/o7-a1-contracts/src/bounds.rs`\n- `crates/o7-a1-contracts/src/kind.rs`\n- `crates/o7-a1-contracts/src/scalars.rs`\n\n

**/*

\n\n\n**📄 CodeRabbit inference engine (AGENTS.md)**\n\n> `**/*`: Review only P0 and P1 failures; do not raise style, naming, taste, formatter, Clippy, or micro-optimization concerns, and prefer a concrete failure scenario with inputs and incorrect behavior.\n> Do not diagnose and repair the same failure in one run when the run is only requested to explain a failure; distinguish diagnostics from mutation, likely boundaries from root causes, missing evidence from negative results, and partial results from complete success.\n> Do not enable `pedantic`, `nursery`, or similar deferred lint groups wholesale; adopt them incrementally per slice against a baseline.\n> Ground factual claims about existing code or mechanisms in the authoritative artifact, exact revision, and specific property establishing the claim; distinguish what the artifact states from inferred conclusions and re-check claims when the governing artifact changes.\n> Do not spend review effort on checks already enforced mechanically by CI, including formatting, Clippy warnings, workspace compilation, cargo-deny policies, and workspace-member test suites, unless a change adds a new exclusion or lint allowance. Any new workspace test exclusion must name the dedicated workflow owning that package; exclusions for unrelated reasons are P0 findings.\n\nFiles:\n- `TODO.md`\n- `Cargo.toml`\n- `docs/tasks/a1-v0.md`\n- `crates/o7-a1-contracts/Cargo.toml`\n- `crates/o7-a1-contracts/src/lib.rs`\n- `crates/o7-a1-contracts/src/refs.rs`\n- `crates/o7-a1-contracts/src/framing.rs`\n- `crates/o7-a1-contracts/tests/fd1_wire_seed.rs`\n- `crates/o7-a1-contracts/src/json.rs`\n- `crates/o7-a1-contracts/src/envelope.rs`\n- `crates/o7-a1-contracts/src/bounds.rs`\n- `crates/o7-a1-contracts/src/kind.rs`\n- `crates/o7-a1-contracts/src/scalars.rs`\n\n

\n\n\n**⚙️ CodeRabbit configuration file**\n\n> `**`: Treat AGENTS.md and the configured guideline documents as binding.\n> \n> Review the complete pull request, its linked issue, and related or\n> stacked pull requests before making localized comments.\n> \n> Report P0 and P1 defects only.\n> \n> Do not repeat findings already enforced mechanically by cargo fmt,\n> clippy, cargo check, cargo-deny, or the repository test workflows,\n> unless the change weakens, bypasses, excludes, or misconfigures that\n> enforcement.\n> \n> Every finding must contain a concrete failure scenario: relevant\n> input, state, interleaving, or repository condition followed by the\n> resulting incorrect behavior.\n> \n> Do not treat successful compilation, passing local tests, or a\n> resolved CodeRabbit thread as proof that the repository's independent\n> acceptance gate has passed.\n> \n\nFiles:\n- `TODO.md`\n- `Cargo.toml`\n- `docs/tasks/a1-v0.md`\n- `crates/o7-a1-contracts/Cargo.toml`\n- `crates/o7-a1-contracts/src/lib.rs`\n- `crates/o7-a1-contracts/src/refs.rs`\n- `crates/o7-a1-contracts/src/framing.rs`\n- `crates/o7-a1-contracts/tests/fd1_wire_seed.rs`\n- `crates/o7-a1-contracts/src/json.rs`\n- `crates/o7-a1-contracts/src/envelope.rs`\n- `crates/o7-a1-contracts/src/bounds.rs`\n- `crates/o7-a1-contracts/src/kind.rs`\n- `crates/o7-a1-contracts/src/scalars.rs`\n\n

**/{Cargo.toml,Cargo.lock,deny.toml}

\n\n\n**⚙️ CodeRabbit configuration file**\n\n> `**/{Cargo.toml,Cargo.lock,deny.toml}`: Review dependency and workspace changes as capability changes, not\n> routine manifest edits. This covers the workspace root, member and\n> fuzz crate manifests, the lockfile, and the cargo-deny policy.\n> \n> Check for:\n> - new default features that add network, process, filesystem, dynamic\n> loading, serialization, or unsafe-code capability;\n> - workspace members silently disappearing from normal CI coverage;\n> - new exclusions without a dedicated workflow that owns the package;\n> - weakened lint levels or newly permitted unsafe code;\n> - path/version inconsistencies between internal workspace crates;\n> - dependency changes not reflected in Cargo.lock and deny policy.\n> \n> Do not comment merely on version style or formatting.\n> \n\nFiles:\n- `Cargo.toml`\n- `crates/o7-a1-contracts/Cargo.toml`\n\n

docs/**

\n\n\n**⚙️ CodeRabbit configuration file**\n\n> `docs/**`: Review documentation for parity with implemented behavior and current\n> repository invariants.\n> \n> Flag:\n> - security or isolation claims stronger than the implementation;\n> - plans or deferred work written as already implemented;\n> - obsolete status, commit, phase, or acceptance claims;\n> - changed protocols or record formats without migration implications;\n> - contradictions with AGENTS.md, README.md, public governance,\n> security-layers, or verification documentation.\n> \n> Do not spend review comments on prose preferences unless wording\n> changes the technical claim.\n> \n\nFiles:\n- `docs/tasks/a1-v0.md`\n\n

**/*.rs

\n\n\n**📄 CodeRabbit inference engine (AGENTS.md)**\n\n> `**/*.rs`: Preserve verdict semantics: `PASS`, `FAIL`, and `ERROR` must remain distinct; `FAIL` means the gate ran and the target failed, while `ERROR` means no trustworthy answer was obtained. Exit successfully only for `PASS`; all other verdicts must return a non-zero process exit code.\n> Any new `#[allow(...)]` for a restriction lint must state the invariant that makes the exception sound; do not add an allowance merely because Clippy is noisy.\n> Treat changes to slicing or indexing logic in `o7::judge::extract_json_array`, `o7::judge::parse_findings_json`, or `o7::gate::GateManifest::parse` as P0 changes and extend the corresponding fuzzing or Kani panic-freedom harness in the same pull request.\n> Do not collapse missing evidence, skipped required gates, or partial pagination results into success: a skipped required gate is `BLOCKED` unless it has a pre-declared `waive_reason`, and incomplete results must not be treated as complete.\n\nFiles:\n- `crates/o7-a1-contracts/src/lib.rs`\n- `crates/o7-a1-contracts/src/refs.rs`\n- `crates/o7-a1-contracts/src/framing.rs`\n- `crates/o7-a1-contracts/tests/fd1_wire_seed.rs`\n- `crates/o7-a1-contracts/src/json.rs`\n- `crates/o7-a1-contracts/src/envelope.rs`\n- `crates/o7-a1-contracts/src/bounds.rs`\n- `crates/o7-a1-contracts/src/kind.rs`\n- `crates/o7-a1-contracts/src/scalars.rs`\n\n

**/tests/**

\n\n\n**⚙️ CodeRabbit configuration file**\n\n> `**/tests/**`: Require tests to demonstrate the externally observable contract, not\n> private implementation details. This applies to root integration\n> tests and to every workspace crate's own test directory.\n> \n> For behavior changes, expect coverage of:\n> - the successful path;\n> - the concrete regression or failure scenario;\n> - cancellation, malformed input, and partial-state behavior where\n> relevant;\n> - deterministic replay or repeated execution;\n> - negative assertions proving that forbidden side effects did not\n> occur.\n> \n> Do not request tests merely to increase line coverage.\n> \n\nFiles:\n- `crates/o7-a1-contracts/tests/fd1_wire_seed.rs`\n\n

\n\n

🧠 Learnings (1)

\n\n

📚 Learning: 2026-08-05T00:43:14.549Z

\n\n```\nLearnt from: PhysShell\nRepo: PhysShell/007 PR: 104\nFile: docs/tasks/sandboy-a1-vertical-b.md:0-0\nTimestamp: 2026-08-05T00:43:14.549Z\nLearning: For documentation describing the Sandboy `probe` and its capability gate, clarify that probe exit code 0 only indicates that a diagnostic report was produced; it does not prove that the host supports all required capabilities. The fail-closed gate, such as `run_gate.py`, must parse the fixed JSON report and reject unavailable or partial capabilities, missing required fields, malformed JSON, or empty output.\n```\n\n**Applied to files:**\n- `docs/tasks/a1-v0.md`\n\n

\n\n

🔇 Additional comments (14)

\n\n
\n
crates/o7-a1-contracts/src/lib.rs (1)
\n\n`48-65`: LGTM!\n\n\n\n
\n
\n
crates/o7-a1-contracts/src/scalars.rs (1)
\n\n`39-56`: LGTM!\n\n\n\nAlso applies to: 73-100, 122-160\n\n\n\n
\n
\n
crates/o7-a1-contracts/src/kind.rs (1)
\n\n`17-46`: LGTM!\n\n\n\nAlso applies to: 48-117, 119-248, 324-339\n\n\n\n
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\n
crates/o7-a1-contracts/src/bounds.rs (1)
\n\n`17-45`: LGTM!\n\n\n\nAlso applies to: 52-136, 146-203\n\n\n\n
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crates/o7-a1-contracts/src/framing.rs (2)
\n\n`29-39`: LGTM!\n\n\n\nAlso applies to: 49-90, 96-148\n\n\n\n---\n\n`41-47`: _🗄️ Data Integrity & Integration_\n\n**No change needed.**\n\nThe `o7-run` framing helper uses the same `(bytes.len() as u64).to_le_bytes()` prefix, followed by the bytes.\n\n\n\n
\n
\n
crates/o7-a1-contracts/src/refs.rs (1)
\n\n`32-40`: LGTM!\n\n\n\nAlso applies to: 49-83, 100-109, 129-187\n\n\n\n
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\n
crates/o7-a1-contracts/src/envelope.rs (2)
\n\n`63-95`: LGTM!\n\n\n\nAlso applies to: 105-125, 146-201, 207-217\n\n\n\n---\n\n`126-137`: _🗄️ Data Integrity & Integration_\n\n**No change needed.**\n\n`docs/q-deck/a1-authority-contracts.md` explicitly defines envelope framing as `provider_execution_receipt_ref digest` and `artifact_refs` with `artifact_kind name`, `media_type`, `digest`, and `size`; the implementation matches that frozen framing.\n\n\n\t\t\t\t> Likely an incorrect or invalid review comment.\n\n\n\n
\n
\n
Cargo.toml (1)
\n\n`7-7`: LGTM!\n\n\n\n
\n
\n
crates/o7-a1-contracts/tests/fd1_wire_seed.rs (1)
\n\n`15-18`: LGTM!\n\n\n\nAlso applies to: 29-90, 97-306, 314-408\n\n\n\n
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TODO.md (1)
\n\n`40-41`: LGTM!\n\n\n\n
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docs/tasks/a1-v0.md (1)
\n\n`7-32`: LGTM!\n\n\n\nAlso applies to: 34-93\n\n\n\n
\n
\n
crates/o7-a1-contracts/Cargo.toml (1)
\n\n`15-19`: _🗄️ Data Integrity & Integration_\n\n**No change needed.**\n\n`Cargo.lock` includes the `o7-a1-contracts` package entry, so `--locked` workflows have the package represented.\n\n\n\n
\n\n

\n\n

\n\n","_🗄️ Data Integrity & Integration_ | _🟠 Major_ | _⚡ Quick win_\n\n**`Timestamp` bound is bypassed on deserialization.**\n\n`Id`, `Text`, and `CommitId` each implement `Deserialize` manually so the wire value goes through `parse`. `Timestamp` derives `Deserialize` with `#[serde(transparent)]`, so the derived impl deserializes a plain `String` and never calls `Timestamp::parse`.\n\nFailure scenario: a `WorkOrder` envelope whose `created_at` is a 60000-byte ASCII string. The value is under the global `MAX_STRING_BYTES` document limit, so `parse_payload::` accepts it and constructs a `Timestamp` that violates the 64-byte bound documented on line 173. `Timestamp::parse` is then dead for every value that arrives over the wire, which is the only way values arrive.\n\n

Proposed fix

\n\n```diff\n-#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\n+#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize)]\n #[serde(transparent)]\n pub struct Timestamp(String);\n```\n\n```rust\nimpl<'de> Deserialize<'de> for Timestamp {\n fn deserialize(deserializer: D) -> Result\n where\n D: serde::Deserializer<'de>,\n {\n let raw = String::deserialize(deserializer)?;\n Self::parse(&raw).map_err(serde::de::Error::custom)\n }\n}\n```\n

\n\n\n\n

📝 Committable suggestion

\n\n> ‼️ **IMPORTANT**\n> Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.\n\n```suggestion\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize)]\n#[serde(transparent)]\npub struct Timestamp(String);\n\nimpl Timestamp {\n /// # Errors\n /// [`ScalarError::TextTooLong`] above a generous fixed bound; the value is\n /// otherwise opaque.\n pub fn parse(s: &str) -> Result {\n if s.len() > 64 {\n return Err(ScalarError::TextTooLong {\n actual: s.len(),\n max: 64,\n });\n }\n Ok(Self(s.to_owned()))\n }\n}\n\nimpl<'de> Deserialize<'de> for Timestamp {\n fn deserialize(deserializer: D) -> Result\n where\n D: serde::Deserializer<'de>,\n {\n let raw = String::deserialize(deserializer)?;\n Self::parse(&raw).map_err(serde::de::Error::custom)\n }\n}\n```\n\n

\n\n\n\n

🤖 Prompt for AI Agents

\n\n```\nVerify each finding against current code. Fix only still-valid issues, skip the\nrest with a brief reason, keep changes minimal, and validate.\n\nIn `@crates/o7-a1-contracts/src/scalars.rs` around lines 167 - 183, Replace the\nderived Deserialize implementation for Timestamp with a manual impl that\ndeserializes the raw String and passes it through Timestamp::parse, mapping\nScalarError via serde::de::Error::custom. Preserve the existing Serialize,\nderives, and 64-byte validation behavior.\n```\n\n

\n\n\n\n\n\n\n\n","RIGHT","_🎯 Functional Correctness_ | _🟠 Major_ | _⚡ Quick win_\n\n**The envelope-bearing bound is derived from the wrong constant.**\n\nThe doc comment states the control-artifact bound applies to the payload half and the envelope is allowed on top. The code writes that envelope allowance as `MAX_EVIDENCE_BLOB_BYTES.min(1 << 20)`. Today that evaluates to 1 MiB only because `MAX_EVIDENCE_BLOB_BYTES` is 64 MiB and the literal happens to equal `MAX_CONTROL_ARTIFACT_BYTES`. The envelope allowance has no relationship to the evidence-blob bound.\n\nFailure scenario: FD-1.4 is retuned and `MAX_EVIDENCE_BLOB_BYTES` drops to 512 KiB in `crates/o7-a1-contracts/src/bounds.rs`. The envelope allowance silently becomes 512 KiB, so a `work_order` ref declaring 1 MiB payload plus 600 KiB stored envelope bytes is rejected with `SizeAboveBound` even though no control-artifact bound was exceeded. In the other direction, raising `MAX_CONTROL_ARTIFACT_BYTES` leaves the magic `1 << 20` allowance behind.\n\nThe envelope branch of `max_size` is also untested: `an_evidence_blob_above_its_bound_is_refused` exercises only the `else` branch, so this arithmetic has no coverage.\n\n

Proposed fix

\n\n```diff\n fn max_size(&self) -> u64 {\n if self.kind.is_envelope_bearing() {\n- MAX_CONTROL_ARTIFACT_BYTES.saturating_add(MAX_EVIDENCE_BLOB_BYTES.min(1 << 20))\n+ // FD-1.8: size covers payload + envelope, each bounded by the\n+ // control-artifact maximum.\n+ MAX_CONTROL_ARTIFACT_BYTES.saturating_mul(2)\n } else {\n MAX_EVIDENCE_BLOB_BYTES\n }\n }\n```\n\nAdd the missing boundary test:\n\n```rust\n#[test]\nfn an_envelope_bearing_ref_above_its_bound_is_refused() {\n let max = 2 * MAX_CONTROL_ARTIFACT_BYTES;\n let at_bound = ArtifactRef {\n kind: ArtifactKindV1::WorkOrder,\n media_type: typed_media_type(ArtifactKindV1::WorkOrder, 1),\n digest: digest(),\n size: max,\n };\n assert!(at_bound.validate().is_ok());\n let over = ArtifactRef { size: max + 1, ..at_bound };\n assert!(matches!(\n over.validate(),\n Err(RefError::SizeAboveBound { .. })\n ));\n}\n```\n

\n\n\n\n

📝 Committable suggestion

\n\n\n\n

🤖 Prompt for AI Agents

\n\n```\nVerify each finding against current code. Fix only still-valid issues, skip the\nrest with a brief reason, keep changes minimal, and validate.\n\nIn `@crates/o7-a1-contracts/src/refs.rs` around lines 91 - 98, Update\nArtifactRef::max_size so the envelope-bearing branch derives its allowance from\nMAX_CONTROL_ARTIFACT_BYTES, yielding the documented 2 *\nMAX_CONTROL_ARTIFACT_BYTES bound. Add coverage for this branch with an\nenvelope-bearing WorkOrder ref that validates at the bound and returns\nSizeAboveBound at bound plus one.\n```\n\n

\n\n\n\n\n\n\n\n",138,"_🗄️ Data Integrity & Integration_ | _🟠 Major_ | _⚡ Quick win_\n\n**The serde-spelling test does not cover `ArtifactKindV1`.**\n\n`the_serde_spelling_is_the_framed_name` iterates `MessageKindV1::ALL` and the four `ProducerRole` variants. `ArtifactKindV1` has 39 variants and is excluded. `imported_a0_kinds_keep_a0_spellings` covers only the 10 imported A0 kinds, and `a_message_kind_and_its_artifact_kind_share_a_name` covers only the 11 message kinds. The 4 typed non-envelope kinds and the 14 evidence-blob kinds are covered by neither.\n\nFailure scenario: a later edit renames `Self::CiObservation => \"ci_observation\"` to `\"ci_observations\"` in `name()` while `rename_all = \"snake_case\"` keeps emitting `\"ci_observation\"`. A peer then writes `\"ci_observation\"` in an `ArtifactRef.kind`, while `framed_digest` frames `\"ci_observations\"` (`crates/o7-a1-contracts/src/envelope.rs` line 133) and `typed_media_type` emits `application/vnd.o7.a1.ci_observations+json` (`crates/o7-a1-contracts/src/refs.rs` line 39). Two conforming implementations then compute different envelope digests, and no test fails.\n\n

Proposed fix

\n\nAdd an exhaustive `ALL` to `ArtifactKindV1` (mirroring `MessageKindV1::ALL`, so a new variant forces a compile-time update of the array length) and assert over it:\n\n```diff\n for role in [\n ProducerRole::Controller,\n ProducerRole::Coder,\n ProducerRole::Reviewer,\n ProducerRole::Human,\n ] {\n let json = serde_json::to_string(&role).unwrap_or_default();\n assert_eq!(json, format!(\"\\\"{}\\\"\", role.name()));\n }\n+ for kind in ArtifactKindV1::ALL {\n+ let json = serde_json::to_string(&kind).unwrap_or_default();\n+ assert_eq!(json, format!(\"\\\"{}\\\"\", kind.name()));\n+ }\n }\n```\n

\n\n

🤖 Prompt for AI Agents

\n\n```\nVerify each finding against current code. Fix only still-valid issues, skip the\nrest with a brief reason, keep changes minimal, and validate.\n\nIn `@crates/o7-a1-contracts/src/kind.rs` around lines 264 - 279, Extend the serde\nspelling test to cover every ArtifactKindV1 variant. Add an exhaustive\nArtifactKindV1::ALL constant, mirroring MessageKindV1::ALL with an array length\nthat requires updates when variants change, then iterate it in\nthe_serde_spelling_is_the_framed_name and compare serde output with kind.name().\n```\n\n

\n\n\n\n\n\n\n\n_Source: Path instructions_\n\n","crates/o7-a1-contracts/src/kind.rs",370,"_🔒 Security & Privacy_ | _🟠 Major_ | _⚡ Quick win_\n\n

🧩 Analysis chain

\n\n🏁 Script executed:\n\n```shell\n#!/bin/bash\nset -euo pipefail\n\n# Inspect every ParseError construction path. Expect no serde diagnostic text\n# or untrusted JSON object key to be copied into an error string.\nrg -n -C 4 'e\\.to_string\$\$|SchemaMismatch|format!\$\"\\{path\\}\\.\\{k\\}\"\$|ExplicitNull|DepthExceeded|ArrayTooLong|StringTooLong' \\\n crates/o7-a1-contracts/src/json.rs \\\n crates/o7-a1-contracts/tests/fd1_wire_seed.rs\n```\n\nRepository: PhysShell/007\n\nLength of output: 11189\n\n---\n\n🏁 Script executed:\n\n```shell\n#!/bin/bash\nset -euo pipefail\n\necho \"== candidate files ==\"\nfd -a 'json.rs|fd1_wire_seed.rs'\necho\n\necho \"== json.rs outline ==\"\nast-grep outline crates/o7-a1-contracts/src/json.rs --view expanded || true\necho\n\necho \"== json.rs relevant source ==\"\ncat -n crates/o7-a1-contracts/src/json.rs | sed -n '1,180p'\necho\n\necho \"== contracts structs/enums around message_kind / controller envelope ==\"\nrg -n -C 4 'enum .*Kind|message_kind|enum .*Controller|EnvelopeV1|Controller' crates/o7-a1-contracts/src crates/o7-a1-contracts/tests/fd1_wire_seed.rs\necho\n\necho \"== serde_json version ==\"\nrg -n 'serde_json' Cargo.toml Cargo.lock crates/o7-a1-contracts/Cargo.toml --glob 'Cargo.toml' --glob 'Cargo.lock'\n```\n\nRepository: PhysShell/007\n\nLength of output: 29352\n\n---\n\n🏁 Script executed:\n\n```shell\n#!/bin/zsh\nset -euo pipefail\n\necho \"== exact serde_json versions ==\"\npython3 - <<'PY'\nimport json, re\ndata=json.load(open('Cargo.lock'))\nfor pkg in data['package']:\n if pkg.get('name') in ('serde_json','serde'):\n print(pkg['name'], pkg.get('version'), pkg.get('source'))\nPY\n\necho\necho \"== runtime behavioral probe using installed crates if available ==\"\ntmp=\"$(mktemp -d)\"\ncat > \"$tmp/src/main.rs\" <<'RS'\nuse serde::{Deserialize, Serialize};\n\nfn main() {\n let mut value: serde_json::Value = serde_json::from_str(r#\"{\"message_kind\":\"future_kind\",\"causation_id\":null}\"#).unwrap();\n if let Some(map) = value.as_object_mut() {\n map.insert(\"ghp_example_secret\".to_owned(), serde_json::Value::String(\"fake_secret\".into()));\n }\n #[derive(Debug, Serialize, Deserialize, PartialEq)]\n #[serde(deny_unknown_fields)]\n struct EnvelopeV1 {\n message_kind: MessageKindV1,\n causation_id: Option,\n }\n #[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq)]\n enum MessageKindV1 { WorkOrder, CoderReport }\n\n match serde_json::from_value::(value.clone()) {\n Err(e) => {\n eprintln!(\"SchemaMismatch message is {:?}\", e.to_string());\n if e.to_string().contains(\"ghp_example_secret\") {\n std::process::exit(0);\n } else {\n std::process::exit(2);\n }\n }\n Ok(_) => {\n eprintln!(\"unexpected success\");\n std::process::exit(2);\n }\n }\n}\nRS\ncat > \"$tmp/Cargo.toml\" <<'TOML'\n[package]\nname = \"probe\"\nversion = \"0.0.0\"\nedition = \"2021\"\n\n[dependencies]\nserde = { version = \"1\", features = [\"derive\"] }\nserde_json = \"1\"\nTOML\n\nif command -v cargo >/dev/null 2>&1; then\n cd \"$tmp\"\n cargo build --quiet --config build.rustflags='-Dall_warnings' 2>/tmp/probe-build.log || true\n if [ -f target/debug/probe ]; then\n target/debug/probe\n else\n echo \"binary not available\"\n cat /tmp/probe-build.log\n fi\nelse\n echo \"cargo not available\"\nfi\n```\n\nRepository: PhysShell/007\n\nLength of output: 788\n\n---\n\n🏁 Script executed:\n\n```shell\n#!/bin/bash\nset -euo pipefail\n\necho \"== Cargo.lock serde sections ==\"\nsed -n '132,142p;1520,1542p' Cargo.lock\n\necho\necho \"== inspect git lock format ==\"\nfile Cargo.lock\nhexdump -C Cargo.lock | head -n 5\nif [ -s Cargo.lock ]; then jq '.package[] | select(.name==\"serde_json\" or .name==\"serde\")' Cargo.lock 2>/dev/null || true; fi\n```\n\nRepository: PhysShell/007\n\nLength of output: 965\n\n---\n\n🌐 Web query:\n\n`serde_json 1.0.150 Display error variant unknown field enum variant message contains actual value`\n\n💡 Result:\n\nIn serde_json, error messages for \"unknown field\" and \"unknown variant\" are explicitly designed to include the actual value that caused the error [1]. When deserializing, if the input contains a field or enum variant that is not recognized, serde_json generates an error message that explicitly mentions the incorrect name provided by the user [2][1]. The standard format for these errors is typically: - For unknown fields: \"unknown field `{field}`, expected one of `{expected}`\" [3][1]. - For unknown variants: \"unknown variant `{variant}`, expected one of `{expected}`\" [4]. These error messages are produced by the Serde framework's deserialization logic [2][1]. The actual unrecognized value is captured and formatted into the error string, followed by a list of expected valid alternatives if available [1]. If there are no expected fields or variants, the error message indicates that no such options exist [1]. Because these messages are generated internally by the Serde deserializer, they cannot be easily customized or suppressed directly through standard configuration without implementing custom deserialization logic or intercepting and processing the resulting Error object [4][3]. If you require specific error handling (e.g., to redact the actual value for security reasons or to provide a different format), you must catch the `serde_json::Error` and transform it into your desired format [4].\n\nCitations:\n\n- 1: https://codebrowser.dev/tokio/crates/serde-1.0.193/src/de/mod.rs.html\n- 2: https://github.com/serde-rs/serde/blob/d1205393109c474201985907ae0077afa87bc81d/serde/src/de/mod.rs\n- 3: https://github.com/serde-rs/json/issues/1190\n- 4: https://github.com/serde-rs/json/issues/759\n\n---\n\n\n\n

\n\n**Remove untrusted payload text from `ParseError`.**\n\n`ParseError::SchemaMismatch` copies `serde_json::Error` text directly, and `walk` copies JSON object member names into `ExplicitNull`, `DepthExceeded`, `ArrayTooLong`, and `StringTooLong` fields. A rejected payload such as `{\"ghp_example_secret\":\"fake_secret\"}` can store that secret-like key in `schema mismatch: unknown field ...`; a rejected payload such as `{\"message_kind\":\"future_kind\"}` can store that enum value in the schema error. Use fixed schema-error text and fixed object/array path segments, and add regression tests that assert secret-like values and keys do not appear in formatted `ParseError` messages.\n\n

🤖 Prompt for AI Agents

\n\n```\nVerify each finding against current code. Fix only still-valid issues, skip the\nrest with a brief reason, keep changes minimal, and validate.\n\nIn `@crates/o7-a1-contracts/src/json.rs` around lines 86 - 88, Replace the\nserde_json error text in the deserialization path with fixed schema-mismatch\nwording instead of propagating e.to_string(). In walk, ensure ExplicitNull,\nDepthExceeded, ArrayTooLong, and StringTooLong errors use fixed path segments\nrather than untrusted object keys or payload values, and add regression tests\nasserting secret-like keys and values are absent from formatted ParseError\nmessages.\n```\n\n

\n\n\n\n\n\n\n\n_Source: Coding guidelines_\n\n",165,"\n### 💡 Codex Review\n\nHere are some automated review suggestions for this pull request.\n\n**Reviewed commit:** `b2ba165f16`\n \n\n

ℹ️ About Codex in GitHub

\n
\n\n[Your team has set up Codex to review pull requests in this repo](https://chatgpt.com/codex/cloud/settings/general). Reviews are triggered when you\n- Open a pull request for review\n- Mark a draft as ready\n- Comment \"@codex review\".\n\nIf Codex has suggestions, it will comment; otherwise it will react with 👍.\n\n\n\n\nCodex can also answer questions or update the PR. Try commenting \"@codex address that feedback\".\n \n

","**_{_{![P1 Badge](https://img.shields.io/badge/P1-orange?style=flat)}} Enforce envelope-specific text limits**\n\nThese fields use the generic `Text` deserializer, which permits 65,536 bytes, while the frozen envelope schema limits `producer_adapter_version` to 128 bytes and `model_identity` to 256 bytes. Since `EnvelopeV1::validate` only checks provider-field presence, an otherwise valid provider envelope with a 129-byte adapter version or 257-byte model identity passes both parsing and validation, producing a wire artifact that stricter implementations must reject.\n\nUseful? React with 👍 / 👎.","crates/o7-a1-contracts/src/envelope.rs","**_{_{![P1 Badge](https://img.shields.io/badge/P1-orange?style=flat)}} Apply the control limit to typed non-envelope references**\n\nFor `provider_execution_receipt`, `interaction_manifest`, `scope_contract`, and `campaign_event_payload`, this branch returns the 64 MiB evidence-blob limit even though these are typed A1 payloads subject to the 1 MiB control-artifact maximum. Consequently, a ref declaring a 64 MiB receipt passes `ArtifactRef::validate`, allowing closure resolution to read far beyond the typed-object bound instead of rejecting it from the declared size before I/O.\n\nUseful? React with 👍 / 👎.",136,"**_{_{![P1 Badge](https://img.shields.io/badge/P1-orange?style=flat)}} Prevent raw deserialization from bypassing document checks**\n\nBecause the exported wire type implements `Deserialize`, a caller can use `serde_json::from_str::` directly and bypass `validate_document`; for example, `\"causation_id\": null` is then accepted as `None`, and the global depth, array, string, BOM, and payload-byte checks never run. This leaves exactly the alternate path to a typed schema that the pre-deserialization pass is meant to rule out.\n\nUseful? React with 👍 / 👎.",80,"**_{_{![P1 Badge](https://img.shields.io/badge/P1-orange?style=flat)}} Run envelope validation before returning parsed wire data**\n\nParsing an envelope with `envelope_version: 2` or `message_kind_version: 7` returns `Ok(EnvelopeV1)` because this path only performs Serde deserialization; the version checks in `EnvelopeV1::validate` are not invoked. The same gap admits provider envelopes with missing receipt fields and invalid refs, so callers using the advertised parse entry point can treat a best-effort parse as schema-valid unless every caller remembers a separate validation step.\n\nUseful? React with 👍 / 👎.","\n\n`@PhysShell` I will review pull request `#124`. I will report only actionable P0/P1 defects within the stated scope.\n\n

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","@coderabbitai review\n\nOne-shot trigger rather than adding the `review-ready` label: the label is a repo convention and the maintainer's to apply, and this is a draft opened deliberately early — step 1 of eight in `docs/tasks/a1-v0.md` — to get the wire model reviewed before CAS traversal, the reducer and provider adapters are stacked on top of it.\n\nReview focus is the four questions in the PR body: framed identity matching the frozen contract byte for byte, no permissive parse surviving anywhere, the global null/depth/array/string rules being unbypassable by parse ordering, and whether `ArtifactRef` and the envelope semantics are a correct base for FD-6 and FD-1.5.\n\nThe resolver, campaign reducer, receipt congruence, provider adapters and human lane are absent by construction, not by oversight — each is a later step of the same task.\n\n---\n_Generated by [Claude Code](https://claude.ai/code)_","@codex review\n\nTriggering explicitly because this is a draft: Codex reviews fire on \"opened for review\" or \"marked ready\", neither of which a draft does — and the whole point of opening at step 1 rather than step 8 is to get the wire model reviewed *before* CAS traversal, the reducer and provider adapters are stacked on it.\n\nPlease concentrate on the four questions in the PR body, and treat everything below the wire seed as deliberately absent rather than missing:\n\n1. does the framed identity match the frozen contract verbatim — field order, `u64`-le length prefix, enums framed by `snake_case` name, absent optionals framed as the empty string and never skipped, `created_at` excluded;\n2. does any permissive parse survive — an open enum, a missing `deny_unknown_fields`, a version accepted best-effort;\n3. can the global null / depth / array / string / byte rules be bypassed by parse ordering, i.e. is there a path by which a document reaches a typed schema without the pre-deserialization pass;\n4. do `ArtifactRef` and the envelope semantics form a correct base for FD-6 replay-vs-conflict and FD-1.5 closure resolution — particularly the two-byte-string artifact charged as one ref, and `(kind, digest)` as the deduplication identity.\n\nOut of scope by construction, not by oversight: the resolver and closure traversal, the campaign reducer and `CampaignStateV1`, receipt congruence, provider adapters, the human lane. Each is a later step of `docs/tasks/a1-v0.md`.\n\n---\n_Generated by [Claude Code](https://claude.ai/code)_","\n\n\n[![Review Change Stack](https://storage.googleapis.com/coderabbit_public_assets/review-stack-in-coderabbit-ui.svg)](https://app.coderabbit.ai/change-stack/PhysShell/007/pull/124?utm_source=github_walkthrough&utm_medium=github&utm_campaign=change_stack)\n\n\n\n\n> [!IMPORTANT]\n> ## Review skipped\n> \n> Auto reviews are limited based on label configuration.\n> \n>

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📝 Walkthrough

\n\n\n\n## Intended behavior change\n\n- Adds the `o7-a1-contracts` crate for the frozen A1-V0 wire and domain contract.\n- Implements validated scalars, closed enums, `ArtifactRef`, `EnvelopeV1`, framed identity, JSON parsing, and budget bounds.\n- Rejects unsupported versions, unknown fields, unknown enum values, explicit nulls, malformed JSON, and invalid bounds.\n- Validates document-wide limits before typed deserialization.\n\n## Repository invariants\n\n- Framed identity uses ordered fields, `u64` length prefixes, snake_case names, empty framing for absent optionals, and excludes `created_at`.\n- `ArtifactRef` identity uses `(kind, digest)`.\n- Envelope payload binding uses the exact stored payload bytes.\n- Artifact references and envelope references enforce size and count limits.\n- Compile-time assertions protect bound relationships.\n\n## Evidence and gates\n\n- Adds 57 executable tests for malformed payloads, version and field rejection, null handling, bounds, artifact evidence, payload binding, reference sizing, and framed identity.\n- Adds tests for scalar validation, enum serialization, media types, budget validation, and digest stability.\n- Formatting and Clippy pass.\n- Pins implementation authority to contract blob `7db92f1`.\n\n## Unresolved scope and trust boundary\n\n- Resolver traversal, reducer/state handling, receipt congruence, provider adapters, and the human lane remain deferred.\n- Replay, conflict handling, closure resolution, and live-execution reconciliation are not implemented.\n- `parse_payload` depends on `validate_document` being the sole deserialization path for global-limit enforcement.\n\n\n## Walkthrough\n\nThe PR adds the `o7-a1-contracts` workspace crate. It defines A1-V0 scalar, kind, budget, framing, reference, envelope, and JSON contracts. It adds validation and wire-seed tests, then documents the A1-V0 implementation task and contract provenance.\n\n### Changes\n\n**A1-V0 contract implementation**\n\n|Layer / File(s)|Summary|\n|---|---|\n|**Contract primitives and public API**
`crates/o7-a1-contracts/Cargo.toml`, `crates/o7-a1-contracts/src/lib.rs`, `crates/o7-a1-contracts/src/scalars.rs`, `crates/o7-a1-contracts/src/kind.rs`, `crates/o7-a1-contracts/src/bounds.rs`|Adds validated scalar types, closed producer and artifact kinds, protocol limits, budget policies, and crate-level re-exports.|\n|**Framing, references, and envelopes**
`crates/o7-a1-contracts/src/framing.rs`, `crates/o7-a1-contracts/src/refs.rs`, `crates/o7-a1-contracts/src/envelope.rs`|Adds deterministic field framing, artifact-reference validation and identity, versioned envelope validation, framed identity digests, exact payload binding, and reference-size calculation.|\n|**JSON admissibility and typed parsing**
`crates/o7-a1-contracts/src/json.rs`|Adds document validation for encoding, syntax, shape, nulls, nesting, collection sizes, string sizes, and payload size before typed parsing.|\n|**Wire-seed qualification and workspace wiring**
`Cargo.toml`, `crates/o7-a1-contracts/tests/fd1_wire_seed.rs`, `TODO.md`, `docs/tasks/a1-v0.md`|Adds the crate to the workspace, covers envelope, reference, budget, framing, and payload rules with integration tests, and records the A1-V0 task and contract provenance.|\n\n**Possibly related PRs**\n\n- [PhysShell/007#123](https://github.com/PhysShell/007/pull/123): Defines the A1-V0 schemas and wire constraints implemented by this PR.\n\n

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\n\n\n_{Comment `@coderabbitai help` to get the list of available commands.}\n\n","Draft. Opened at step 1 of eight on purpose: the wire/domain contract surface now exists, and CAS traversal, the reducer and provider orchestration are not yet on top of it to hide a foundational mistake. R5.2 bought that lesson expensively enough on the contract itself — the freeze ceremony ran, and *then* external review found four genuine P1s.\n\nTwo commits:\n\n| | |\n|---|---|\n| `d5823a9` | `docs/tasks/a1-v0.md` — thin, contract-preserving implementation task |\n| `b2ba165` | `crates/o7-a1-contracts` — step 1, the wire/domain seed |\n\n## Authority\n\n```text\ncontract docs/q-deck/a1-authority-contracts.md\nblob B 7db92f1b3dc9d7040da074956a0b3f2f200174c8\n sha256:9d26ee3ffbe5cb680075526833bdfef297372c6897b0f40afc6986cd0c7def45\n```\n\nBound to the **blob**, not a branch head. While the contract was in review `8ee8666` moved the A1-F head without changing a byte of it, so \"the latest head\" names an object that moves independently of what is being implemented. Provenance for how those bytes became authority: `docs/architecture/prior-art-the-grid.md` §1.3.\n\n## What review would be most useful on\n\nFour questions, and deliberately nothing else:\n\n1. **Framed identity is verbatim `B`.** Field order, the `u64`-le length prefix, enums framed by `snake_case` name rather than tag byte, absent optionals framed as the empty string and never skipped, `created_at` excluded (FD-1.2, FD-5.4).\n2. **No permissive parse survives anywhere.** Every enum closed, no `#[serde(other)]`, `deny_unknown_fields` throughout, unsupported versions refused rather than best-effort parsed (FD-1.6).\n3. **The global rules cannot be bypassed by parse ordering.** Null policy, depth, array length, string length and the byte bound run as one pass *before* typed deserialization — is there an ordering by which a document reaches a typed schema without them (FD-1.3, FD-1.4)?\n4. **`ArtifactRef` and envelope semantics are a correct base for what comes next.** Two-byte-string artifacts charged as one ref, `(kind, digest)` identity for deduplication, media type as part of identity — do these hold up for FD-6 replay-vs-conflict and FD-1.5 closure resolution (FD-1.8)?\n\n**Out of this review slice, by construction:** the resolver and closure traversal (step 2), the campaign event/reducer core and `CampaignStateV1` (step 3), acceptance and receipt congruence (step 4), provider adapters (step 5), the human lane (step 6). \"Where is the resolver?\" and \"why no campaign state?\" have the same answer: a later step of the same task. Asserting them now would assert against a stub.\n\nLive-execution reconciliation and lifecycle management are outside A1-V0 entirely — prior art in `docs/architecture/prior-art-the-grid.md`, first eligible consumer `controller-lifecycle`.\n\n## Three decisions that had a plausible alternative\n\n**Framed preimage buffer rather than an incremental hasher.** Hashing is over the concatenation of the contract's `h.update()` calls, so the two are byte-identical — but the buffer lets every digest here come from `o7_run::event::Digest256::of_bytes`, which FD-1.1 names as *the* form for A1 digests. There is then no path by which this crate mints a `Digest256` that did not come from real bytes, and `o7-run`'s deliberately crate-private `from_sha256` stays private.\n\n**One pre-deserialization pass for the global rules.** FD-1.3 states its null policy once, globally, and the FD-1.4 document bounds apply to *any* array and *any* string. Enforced as a single walk, a new payload schema inherits them by existing rather than by an author remembering an attribute on each optional field — which would have made the policy a convention.\n\n**`const _: () = assert!(...)` for the FD-1.5 bound relationship.** The contract asks for a unit test; a const assertion is strictly stronger, because a violating pair of constants then fails to compile and the check cannot be satisfied by a test nobody runs.\n\n## Exit criterion for step 1\n\nNot \"the types compile\" — the §5.4 rows whose subject is the wire seed are executable now:\n\nmalformed payloads · unsupported `envelope_version` / `message_kind_version` · unknown field · explicit `null` in a genuinely optional field (with a paired test that the same field *absent* parses, so the assertion is about the null and not about a missing required value) · per-object bounds · campaign budget above the hard maximum · provider evidence present on a controller artifact and absent on a provider one · and the framed-identity properties FD-6 will rest on: `created_at` excluded, a different `expected_input_head` is a different identity, a different declared media type is a different reference.\n\n57 tests, `cargo fmt --check` and `cargo clippy --all-targets` clean.\n\n---\n_Generated by [Claude Code](https://claude.ai/code/session_01SqpCFk8sWY2WxrUx2vgQMg)_","base_ref","69ccef5db148b21f5e671d68761fce383a34b407","head_ref","pull_request_info",[1567],{"_1460":57,"_57":1568},"Second round fixed in `11eea41`. Three findings, all valid, and one of them lands squarely on me.\n\n## The door I left open — both reviewers, independently\n\n@chatgpt-codex-connector and @coderabbitai reached the same conclusion: making `parse_artifact` call `validate_wire` did nothing while `parse_payload` stayed public with a doc comment recommending the safer sibling. Worse, my own regression test *demonstrated* the surviving path returning `Ok`, which is a poor thing for a test to certify.\n\nThat is the same correction as the previous round, applied to my own fix — and I had just finished arguing that documentation is not enforcement, then shipped a documented exception to my own admission boundary.\n\n`parse_payload` is now crate-internal (`parse_typed`); `parse_artifact` is the single public way to turn bytes into a wire type. Every A1 wire type implements `WireArtifact`, including future ones with no cross-field rules: those return `Ok(())` explicitly, which states \"this type has no cross-field obligations\" instead of leaving it inferred from a missing impl.\n\n## P0 — digest errors quoted the payload\n\nThis one I introduced by re-export and would not have found. Re-exporting `Digest256` from `o7-run` also re-exported its `Deserialize`, which forwards `DigestFormatError`, whose `Display` quotes the rejected string. A payload whose `contract_digest` is a stolen token produced a serde error containing it — reachable through direct deserialization, without touching the redacted admission path.\n\nDigest fields now use `WireDigest`: the same `Digest256` inside, computing nothing of its own, behind a deserializer that reports shape rather than value. A redacting deserializer, not a parallel model — the distinction FD-2.4 draws when it imports a kind rather than redefining it.\n\n**Deliberately not fixed here:** `o7-run`'s `DigestFormatError` still carries the rejected value for its own callers. That is a pre-existing shape in another crate's public error type, and narrowing it belongs to its own slice rather than to a step-1 wire seed. Flagging rather than silently widening scope — this repo already paid once for mixing an unrelated fix into a docs PR (#122).\n\n## P1 — FD-1.7 was unenforced\n\n`ArtifactRef::validate` checked that `media_type` was non-empty and bounded, but not that a typed artifact declared the media type its kind and version fix. A ref could name `kind: work_order` with `media_type: text/x-diff` and be accepted — and since media type is part of the envelope framing, such a ref denotes a *different reference* than the artifact it claims to point at (FD-2.5). Typed artifacts must now match exactly; evidence blobs and imported A0 objects keep their own concrete types, as FD-1.7 says they do.\n\n## The one thing I pushed back on, and where it landed\n\nBoth reviewers accepted the `interaction_manifest` reading — 64 MiB, because FD-1.4 names \"manifest\" in its evidence-blob line. Codex added the more useful observation: the frozen text is **internally ambiguous** there, since the same section calls \"any typed A1 payload\" a control artifact, and resolving it needs the contract owner rather than either reading asserted as fact.\n\nThat is a real defect in the frozen contract, not in this code. The implementation records its reading in a doc comment and a test; it is worth a §7 supersede if the answer matters before step 2's closure resolution starts charging bytes against it.\n\n73 tests, `cargo fmt --check` and `cargo clippy --all-targets` clean.\n\n---\n_Generated by [Claude 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