\\n

📝 Walkthrough

\\n\\n## Walkthrough\\n\\nObservation artifacts now encode retained-evidence posture: a generic semantic marker indicating whether reading coordinate or payload bytes are locally available or missing retention. ABI version 11→12, observation artifact version v3→v4. ReadingEnvelope carries retained_evidence vector; computation emits postures only when both contract evidence and query identity exist. Core retained-evidence type refactors missing states into two explicit variants carrying semantic input and obstruction. ABI pipeline converts postures to kernel port shape. Tests verify round-trip CBOR encoding and contract query identity participation in v4 artifact identity.\\n\\n## Changes\\n\\n**Retained Evidence in Observation Artifacts**\\n\\n|Layer / File(s)|Summary|\\n|---|---|\\n|**ABI retained evidence types and ReadingEnvelope extension**
`crates/echo-wasm-abi/src/kernel_port.rs`|New public types for retained evidence (RetainedEvidenceRole, RetainedEvidenceCoordinate, RetainedEvidenceRef, RetainedEvidencePosture with Available/MissingRetention variants). ReadingEnvelope extended with retained_evidence vector field, serde default. ABI_VERSION bumped 11→12.|\\n|**Core retained evidence type refinement**
`crates/warp-core/src/retained_evidence.rs`|RetainedEvidencePosture refactored: MissingRetention variant replaced with MissingCoordinate and MissingContent, each carrying semantic input (coordinate/ref) and typed obstruction. Constructors and obstruction() accessor updated for both variants.|\\n|**Observation artifact version bump to v4**
`crates/warp-core/src/observation.rs`|OBSERVATION_VERSION and artifact domain constants bumped v3→v4. ReadingEnvelope extended with retained_evidence field. Test expectations updated to verify v4 artifact identity hash domain.|\\n|**Retained evidence computation in ObservationService**
`crates/warp-core/src/observation.rs`|ObservationService::reading_envelope builder computes retained_evidence postures when both contract evidence and query reading identity exist; otherwise emits empty vector. New retained_evidence_postures() helper returns MissingCoordinate and conditional MissingContent postures. Direct (non-contract) observer readings omit retained evidence.|\\n|**ABI conversion pipeline for retained evidence**
`crates/warp-core/src/observation.rs`|ReadingEnvelope::to_abi maps retained_evidence through conversion helpers. New retained_evidence_\\\\*_to_abi functions convert roles, coordinates, refs, and postures to ABI shapes. Retention_id derived from ContractObstruction when obstruction is retention-based. Content hash computed from QueryBytes.|\\n|**ABI version constant and retained evidence round-trip tests**
`crates/echo-wasm-abi/src/lib.rs`, `crates/echo-wasm-abi/src/kernel_port.rs`|ABI version constant test updated to expect 12. OpticReadingEnvelope fixture includes retained_evidence empty vector. Legacy CBOR decoding logic filters retained_evidence field; assertion verifies decoded legacy reading has retained_evidence as empty Vec. New test_retained_evidence_posture_round_trip verifies Available and MissingRetention variants CBOR round-trip with equality.|\\n|**Core test fixtures and integration test updates**
`crates/warp-core/src/optic/tests.rs`, `crates/warp-core/tests/installed_contract_intent_pipeline_tests.rs`|reading_envelope() fixture includes retained_evidence empty vector. installed_contract_intent_pipeline_tests enhanced: computes query payload BLAKE3 hash, asserts retained_evidence contains two missing-retention variants with second matching hash/length, verifies to_abi() preserves count. Import list reflowed.|\\n|**WASM test stub kernel updated**
`crates/warp-wasm/src/lib.rs`|StubKernel::observe test implementation includes retained_evidence field initialized to empty Vec in returned ReadingEnvelope.|\\n|**Changelog, design, backlog, and specification documentation**
`CHANGELOG.md`, `docs/BEARING.md`, `docs/spec/SPEC-0009-wasm-abi.md`, `docs/design/*`, `docs/method/backlog/v0.1.0/*`, `docs/WorkItems.md`, `crates/warp-wasm/README.md`|CHANGELOG documents observation artifact v4 and ABI v12 with retained-evidence-posture semantics. BEARING.md refreshed with WAL/WSC design doc references and assertion that app-safe observation/WASM surfaces carry generic retained-evidence posture. SPEC-0009 version bumped to 12 with observation metadata including contract/query identity and retained-evidence posture. New work-item-sequencing-and-prioritization.md design document defines execution gravity and release-proof sequence for v0.1.0. New backlog specifications for retained-evidence durability boundary, WAL/WSC storage relationship, WSC causal-history storage, JS/WASM/Browser client release surface. causal-wal-end-to-end.md extended with WAL projection and WSC doctrine. v0.1.0-jedit-next-ten-slices.md progress bar and implementation notes for slices 3–5. warp-wasm README updated with ABI_VERSION 12 exports. WorkItems.md populated with comprehensive inventory, audit metadata, and backlog categorization.|\\n\\n## Estimated code review effort\\n\\n🎯 3 (Moderate) | ⏱️ ~25 minutes\\n\\n## Possibly related PRs\\n\\n- [flyingrobots/echo#371](https://github.com/flyingrobots/echo/pull/371): Added contract/query_identity fields to ReadingEnvelope ABI; this PR extends the same envelope further with retained_evidence and bumps to next ABI/artifact versions (11→12, v3→v4).\\n\\n## Poem\\n\\n> Evidence retained yet locally sparse—\\n> query identity hashed into artifact;\\n> missing bytes marked with obstruction's face,\\n> v4 knows what v3 couldn't track. 🔒\\n\\n

\\n\\n\\n\\n\\n

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🚥 Pre-merge checks | ✅ 4 | ❌ 1

\\n\\n### ❌ Failed checks (1 warning)\\n\\n| Check name | Status | Explanation | Resolution |\\n| :----------------: | :--------- | :------------------------------------------------------------------------------------ | :--------------------------------------------------------------------------------- |\\n| Docstring Coverage | ⚠️ Warning | Docstring coverage is 51.85% which is insufficient. The required threshold is 80.00%. | Write docstrings for the functions missing them to satisfy the coverage threshold. |\\n\\n

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✅ Passed checks (4 passed)

\\n\\n_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}\\n\\n

\\n\\n\\n\\n\\n

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✨ Finishing Touches

\\n\\n

\\n

📝 Generate docstrings

\\n\\n- [ ] Create stacked PR\\n- [ ] Commit on current branch\\n\\n

\\n

🧪 Generate unit tests (beta)

\\n\\n- [ ] Create PR with unit tests\\n- [ ] Commit unit tests in branch `stack/wasm-retained-evidence-refs`\\n\\n

\\n\\n

\\n\\n\\n\\n\\n---\\n\\nThanks for using [CodeRabbit](https://coderabbit.ai?utm_source=oss&utm_medium=github&utm_campaign=flyingrobots/echo&utm_content=380)! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.\\n\\n

\\n

❤️ Share

\\n\\n- [X](https://twitter.com/intent/tweet?text=I%20just%20used%20%40coderabbitai%20for%20my%20code%20review%2C%20and%20it%27s%20fantastic%21%20It%27s%20free%20for%20OSS%20and%20offers%20a%20free%20trial%20for%20the%20proprietary%20code.%20Check%20it%20out%3A&url=https%3A//coderabbit.ai)\\n- [Mastodon](https://mastodon.social/share?text=I%20just%20used%20%40coderabbitai%20for%20my%20code%20review%2C%20and%20it%27s%20fantastic%21%20It%27s%20free%20for%20OSS%20and%20offers%20a%20free%20trial%20for%20the%20proprietary%20code.%20Check%20it%20out%3A%20https%3A%2F%2Fcoderabbit.ai)\\n- [Reddit](https://www.reddit.com/submit?title=Great%20tool%20for%20code%20review%20-%20CodeRabbit&text=I%20just%20used%20CodeRabbit%20for%20my%20code%20review%2C%20and%20it%27s%20fantastic%21%20It%27s%20free%20for%20OSS%20and%20offers%20a%20free%20trial%20for%20proprietary%20code.%20Check%20it%20out%3A%20https%3A//coderabbit.ai)\\n- [LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fcoderabbit.ai&mini=true&title=Great%20tool%20for%20code%20review%20-%20CodeRabbit&summary=I%20just%20used%20CodeRabbit%20for%20my%20code%20review%2C%20and%20it%27s%20fantastic%21%20It%27s%20free%20for%20OSS%20and%20offers%20a%20free%20trial%20for%20proprietary%20code)\\n\\n

\\n\\n\\n_{Comment `@coderabbitai help` to get the list of available commands and usage tips.}\\n\\n\\n\\n\\n\\n\\n\\n\",\"path\":null,\"side\":null,\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"_🧹 Nitpick_ | _🔵 Trivial_ | _⚡ Quick win_\\n\\n**Redundant hash computation in ABI conversion.**\\n\\nFor `MissingContent`, `coordinate_id()` is computed three times:\\n1. Line 1014: `retained_evidence_coordinate_to_abi(&reference.coordinate)`\\n2. Line 1017 → 988: inside `retained_evidence_ref_to_abi` calls it again\\n3. Line 1017 → 991: `evidence_ref_id()` internally calls `coordinate.coordinate_id()`\\n\\nEach `coordinate_id()` invokes BLAKE3 hashing over contract identity + role + digest.\\n\\n\\n\\n

\\n

Compute IDs once and pass through

\\n\\n```diff\\n+fn retained_evidence_ref_to_abi_with_ids(\\n+ reference: &RetainedEvidenceRef,\\n+ coord_id: Hash,\\n+ ref_id: Hash,\\n+) -> abi::RetainedEvidenceRef {\\n+ abi::RetainedEvidenceRef {\\n+ coordinate: abi::RetainedEvidenceCoordinate {\\n+ contract: contract_evidence_to_abi(&reference.coordinate.contract),\\n+ role: retained_evidence_role_to_abi(reference.coordinate.role),\\n+ semantic_digest: reference.coordinate.semantic_digest.to_vec(),\\n+ coordinate_id: coord_id.to_vec(),\\n+ },\\n+ content_hash: reference.content_hash.to_vec(),\\n+ byte_len: reference.byte_len,\\n+ evidence_ref_id: ref_id.to_vec(),\\n+ }\\n+}\\n\\n fn retained_evidence_posture_to_abi(\\n posture: &RetainedEvidencePosture,\\n ) -> abi::RetainedEvidencePosture {\\n match posture {\\n // ... Available case unchanged ...\\n RetainedEvidencePosture::MissingContent {\\n reference,\\n obstruction,\\n } => {\\n+ let coord_id = reference.coordinate.coordinate_id();\\n+ let ref_id = reference.evidence_ref_id();\\n abi::RetainedEvidencePosture::MissingRetention {\\n- coordinate: Some(Box::new(retained_evidence_coordinate_to_abi(\\n- &reference.coordinate,\\n- ))),\\n- reference: Some(Box::new(retained_evidence_ref_to_abi(reference))),\\n+ coordinate: Some(Box::new(abi::RetainedEvidenceCoordinate {\\n+ contract: contract_evidence_to_abi(&reference.coordinate.contract),\\n+ role: retained_evidence_role_to_abi(reference.coordinate.role),\\n+ semantic_digest: reference.coordinate.semantic_digest.to_vec(),\\n+ coordinate_id: coord_id.to_vec(),\\n+ })),\\n+ reference: Some(Box::new(retained_evidence_ref_to_abi_with_ids(\\n+ reference, coord_id, ref_id,\\n+ ))),\\n retention_id: retained_obstruction_id(obstruction),\\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/warp-core/src/observation.rs` around lines 975 - 1021, The\\nMissingContent branch recomputes the coordinate_id (heavy BLAKE3) multiple\\ntimes; fix by computing coordinate_id once (let coord_id =\\nreference.coordinate.coordinate_id().to_vec()), then build the ABI values\\nreusing that id: construct an abi::RetainedEvidenceCoordinate with coord_id and\\nuse it for the coordinate field, and construct an abi::RetainedEvidenceRef that\\nuses the same coord_id for its coordinate and for evidence_ref_id, instead of\\ncalling retained_evidence_coordinate_to_abi or evidence_ref_id() which trigger\\nanother hash; update retained_evidence_posture_to_abi (MissingContent arm) to\\nassemble these ABI structs directly from the precomputed coord_id and call\\nretained_obstruction_id(obstruction) as before.\\n```\\n\\n

\\n\\n\\n\\n\",\"path\":\"crates/warp-core/src/observation.rs\",\"side\":\"RIGHT\",\"line\":1021}{\"type\":\"pull_request_comment\",\"body\":\"_⚠️ Potential issue_ | _🟡 Minor_ | _⚡ Quick win_\\n\\n**Use official capitalization for GitHub.**\\n\\nUse `GitHub` (capital H) in this table row to avoid platform-name inconsistency in release evidence docs. \\n \\nAs per coding guidelines, documentation accuracy matters and factual errors should be flagged.\\n\\n

\\n

🧰 Tools

\\n\\n

\\n

🪛 LanguageTool

\\n\\n[uncategorized] ~296-~296: The official name of this software platform is spelled with a capital “H”.\\nContext: ...85) | Closed as completed. | `.github/workflows/det-gates.yml` computes `DETE...\\n\\n(GITHUB)\\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 `@docs/WorkItems.md` at line 296, Update the platform name capitalization in\\nthe WorkItems table row referencing issue [`#285`]: change \\\"Github\\\" to the\\nofficial \\\"GitHub\\\" in the table cell text that currently reads\\n\\\".github/workflows/det-gates.yml computes...\\\" so the row becomes consistent with\\nplatform naming (identify the row by the issue link \\\"[`#285`]\\\" and the quoted file\\nnames `det-gates.yml` / `det-policy.yaml` for locating it).\\n```\\n\\n

\\n\\n\\n\\n\",\"path\":\"docs/WorkItems.md\",\"side\":\"RIGHT\",\"line\":296}{\"type\":\"pull_request_comment\",\"body\":\"**Actionable comments posted: 2**\\n\\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/warp-core/src/observation.rs`:\\n- Around line 975-1021: The MissingContent branch recomputes the coordinate_id\\n(heavy BLAKE3) multiple times; fix by computing coordinate_id once (let coord_id\\n= reference.coordinate.coordinate_id().to_vec()), then build the ABI values\\nreusing that id: construct an abi::RetainedEvidenceCoordinate with coord_id and\\nuse it for the coordinate field, and construct an abi::RetainedEvidenceRef that\\nuses the same coord_id for its coordinate and for evidence_ref_id, instead of\\ncalling retained_evidence_coordinate_to_abi or evidence_ref_id() which trigger\\nanother hash; update retained_evidence_posture_to_abi (MissingContent arm) to\\nassemble these ABI structs directly from the precomputed coord_id and call\\nretained_obstruction_id(obstruction) as before.\\n\\nIn `@docs/WorkItems.md`:\\n- Line 296: Update the platform name capitalization in the WorkItems table row\\nreferencing issue [`#285`]: change \\\"Github\\\" to the official \\\"GitHub\\\" in the table\\ncell text that currently reads \\\".github/workflows/det-gates.yml computes...\\\" so\\nthe row becomes consistent with platform naming (identify the row by the issue\\nlink \\\"[`#285`]\\\" and the quoted file names `det-gates.yml` / `det-policy.yaml` for\\nlocating it).\\n```\\n\\n

\\n\\n

\\n

🪄 Autofix (Beta)

\\n\\nFix all unresolved CodeRabbit comments on this PR:\\n\\n- [ ] Push a commit to this branch (recommended)\\n- [ ] Create a new PR with the fixes\\n\\n

\\n\\n---\\n\\n

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ℹ️ Review info

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⚙️ Run configuration

\\n\\n**Configuration used**: Path: .coderabbit.yaml\\n\\n**Review profile**: ASSERTIVE\\n\\n**Plan**: Pro\\n\\n**Run ID**: `bf9abbb2-7124-4579-995a-ab336c7c2129`\\n\\n

\\n\\n

\\n

📥 Commits

\\n\\nReviewing files that changed from the base of the PR and between 6f01f063946b8a4134e87a5133ed531c9c02392b and 9e3495adcedfc2d000b6df69f821a392465e9d4a.\\n\\n

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📒 Files selected for processing (20)

\\n\\n* `CHANGELOG.md`\\n* `crates/echo-wasm-abi/src/kernel_port.rs`\\n* `crates/echo-wasm-abi/src/lib.rs`\\n* `crates/warp-core/src/observation.rs`\\n* `crates/warp-core/src/optic/tests.rs`\\n* `crates/warp-core/src/retained_evidence.rs`\\n* `crates/warp-core/tests/installed_contract_intent_pipeline_tests.rs`\\n* `crates/warp-wasm/README.md`\\n* `crates/warp-wasm/src/lib.rs`\\n* `docs/BEARING.md`\\n* `docs/WorkItems.md`\\n* `docs/design/causal-wal-end-to-end.md`\\n* `docs/design/v0.1.0-jedit-next-ten-slices.md`\\n* `docs/design/work-item-sequencing-and-prioritization.md`\\n* `docs/method/backlog/v0.1.0/PLATFORM_js-wasm-browser-client-release-surface.md`\\n* `docs/method/backlog/v0.1.0/PLATFORM_retained-evidence-durability-boundary.md`\\n* `docs/method/backlog/v0.1.0/PLATFORM_wal-wsc-storage-relationship.md`\\n* `docs/method/backlog/v0.1.0/PLATFORM_wsc-causal-history-storage.md`\\n* `docs/method/backlog/v0.1.0/RELEASE_package-publish-and-versioning.md`\\n* `docs/spec/SPEC-0009-wasm-abi.md`\\n\\n

\\n\\n

\\n\\n\",\"path\":null,\"side\":null,\"line\":null}","text_elements",[],{"_441":860,"_422":423,"_443":429},{"_444":861,"_446":-5,"_41":-5,"_447":-5,"_95":325,"_91":449},[862],{"_45":856,"_91":704},{"_441":864,"_422":423,"_443":429},{"_444":865,"_446":-5,"_41":-5,"_447":-5,"_95":325,"_91":449},[866,867],{"_45":869,"_91":704},{"_45":868,"_91":704},"\n /workspace/echo\n bash\n 2026-05-25\n Etc/UTC\n","# AGENTS.md instructions for /workspace/echo\n\n\n\n\n\n# AGENTS\n\nThis guide is for AI agents and human operators recovering context in the Echo repository.\n\n## Architecture North Star\n\nEcho is not a graph database, app framework, sync daemon, or mutable state\nserver. Echo is a deterministic WARP runtime over witnessed causal history.\n\nThe durable territory is admitted causal history: transitions, frontiers, lane\nidentities, payload hashes, receipts, witnesses, checkpoints, suffixes, and\nretained boundary artifacts. Graphs, files, editor buffers, UI state, and debug\nviews are materialized readings emitted by observers or optics over that\nhistory. They may be cached, retained, transported, compared, or revealed, but\nthey are not the substrate ontology.\n\nPublic Echo surfaces should follow the WARP optic shape:\n\n```text\nexplicit causal basis/site\n+ bounded aperture\n+ law\n+ support, capability, budget, and evidence posture\n-> witnessed hologram\n```\n\nExternal callers propose explicit-base intents or observe through bounded\noptics. Echo admits, stages, pluralizes, conflicts, or obstructs those claims\nunder named law and emits receipts, reading envelopes, witnesses, or retained\nshells. Transport is witnessed suffix admission, not state sync. Application\nnouns belong in authored contracts and generated adapters, not in Echo core.\n\nKeep these sentences in view when changing architecture, docs, or APIs:\n\n```text\nThere is witnessed causal history.\nWARP optics chart it.\nHolograms witness those charts.\nMaterialized graphs are optional readings.\nContinuum is the protocol for lawful causal-history exchange.\n```\n\n## Git Rules\n\n- **NEVER** amend commits.\n- **NEVER** rebase or force-push.\n- **NEVER** push to `main` without explicit permission.\n- Always use standard commits and regular pushes.\n\n## Documentation & Planning Map\n\nDo not audit the repository by recursively walking the filesystem. Follow the authoritative manifests:\n\n### 1. The Entrance\n\n- **`README.md`**: Public front door, core value prop, and quick tour.\n- **`GUIDE.md`**: Orientation and productive-fast path.\n- **`docs/index.md`**: VitePress documentation map.\n\n### 2. The Bedrock\n\n- **`ARCHITECTURE.md`**: Authoritative structural reference (Hexagonal, Core, Memory).\n- **`VISION.md`**: Core tenets and the causal mission.\n- **`METHOD.md`**: Repo work doctrine (Backlog lanes, Cycle loop).\n\n### 3. The Direction\n\n- **`docs/BEARING.md`**: Current execution gravity and active tensions.\n- **`docs/design/ROADMAP.md`**: Broad strategic horizon and targets.\n- **`backlog/`**: The active source of truth for pending work.\n\n### 4. The Proof\n\n- **`CHANGELOG.md`**: Historical truth of merged behavior.\n- **`cargo xtask dind`**: Determinism convergence verification.\n\n## Context Recovery Protocol\n\nWhen starting a new session or recovering from context loss:\n\n1. **Read `docs/BEARING.md`** to find the current execution gravity.\n2. **Read `METHOD.md`** to understand the work doctrine.\n3. **Check `backlog/asap/`** for imminent work.\n4. **Check `git log -n 5` and `git status`** to verify the current branch state.\n\n## Executable Claim Protocol\n\nEngineering work must converge around executable evidence, not broad repository\ninterpretation. Before editing code, reduce the task to one executable claim:\n\n1. **Bound the Claim**: State the behavior, invariant, or artifact that must\n change.\n2. **Name the Witness**: Identify the smallest test, check, script, compile\n contract, golden vector, schema validation, or artifact inspection that can\n prove the claim.\n3. **Run the Witness When Feasible**: Prefer a failing witness before the fix.\n If the witness cannot execute because the repository is already broken,\n repair only the minimal compile/runtime blocker required to run it.\n4. **Do Not Expand from an Unblocker**: Do not turn a compile blocker into\n nearby architecture cleanup, docs cleanup, lint cleanup, migration sweep, or\n opportunistic refactor.\n5. **Green the Claim**: Implement the smallest fix, rerun the witness, and run\n only directly relevant surrounding checks unless broader validation is\n explicitly requested.\n6. **Stop on Green**: When the witness passes and the requested scope is\n satisfied, stop. Do not inspect more PR comments, audit more files, or clean\n unrelated residue without a new executable claim.\n\nIf unrelated failures remain, isolate them in the final report instead of\nabsorbing them into the task. Report files changed, symbols or behavior changed,\nwitness commands, pass/fail results, and intentional non-actions such as no\ncommit, no push, or no PR comment.\n\n## End of Turn Checklist\n\nAfter altering files:\n\n1. **Verify Truth**: Ensure documentation is updated if behavior or structure changed.\n2. **Log Debt**: Add follow-on backlog items to `bad-code/` or `cool-ideas/`.\n3. **Commit**: Use focused, conventional commit messages. Propose a draft before executing.\n4. **Validate**: Run `cargo check` and relevant tests.\n\n---\n\n**The goal is inevitability. Every feature is defined by its tests.**\n\n",{"_441":871,"_422":423,"_443":429},{"_444":872,"_446":-5,"_41":-5,"_447":-5,"_95":873,"_91":449},[874,875],"developer",{"_45":877,"_91":704},{"_45":876,"_91":704},"\n## Skills\nA skill is a set of local instructions to follow that is stored in a `SKILL.md` file. Below is the list of skills that can be used. Each entry includes a name, description, and file path so you can open the source for full instructions when using a specific skill.\n### Available skills\n- imagegen: Generate or edit raster images when the task benefits from AI-created bitmap visuals such as photos, illustrations, textures, sprites, mockups, or transparent-background cutouts. Use when Codex should create a brand-new image, transform an existing image, or derive visual variants from references, and the output should be a bitmap asset rather than repo-native code or vector. Do not use when the task is better handled by editing existing SVG/vector/code-native assets, extending an established icon or logo system, or building the visual directly in HTML/CSS/canvas. (file: /opt/codex/skills/.system/imagegen/SKILL.md)\n- openai-docs: Use when the user asks how to build with OpenAI products or APIs and needs up-to-date official documentation with citations, help choosing the latest model for a use case, or model upgrade and prompt-upgrade guidance; prioritize OpenAI docs MCP tools, use bundled references only as helper context, and restrict any fallback browsing to official OpenAI domains. (file: /opt/codex/skills/.system/openai-docs/SKILL.md)\n- plugin-creator: Create and scaffold plugin directories for Codex with a required `.codex-plugin/plugin.json`, optional plugin folders/files, and baseline placeholders you can edit before publishing or testing. Use when Codex needs to create a new local plugin, add optional plugin structure, or generate or update repo-root `.agents/plugins/marketplace.json` entries for plugin ordering and availability metadata. (file: /opt/codex/skills/.system/plugin-creator/SKILL.md)\n- skill-creator: Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations. (file: /opt/codex/skills/.system/skill-creator/SKILL.md)\n- skill-installer: Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos). (file: /opt/codex/skills/.system/skill-installer/SKILL.md)\n### How to use skills\n- Discovery: The list above is the skills available in this session (name + description + file path). Skill bodies live on disk at the listed paths.\n- Trigger rules: If the user names a skill (with `$SkillName` or plain text) OR the task clearly matches a skill's description shown above, you must use that skill for that turn. Multiple mentions mean use them all. Do not carry skills across turns unless re-mentioned.\n- Missing/blocked: If a named skill isn't in the list or the path can't be read, say so briefly and continue with the best fallback.\n- How to use a skill (progressive disclosure):\n 1) After deciding to use a skill, open its `SKILL.md`. Read only enough to follow the workflow.\n 2) When `SKILL.md` references relative paths (e.g., `scripts/foo.py`), resolve them relative to the skill directory listed above first, and only consider other paths if needed.\n 3) If `SKILL.md` points to extra folders such as `references/`, load only the specific files needed for the request; don't bulk-load everything.\n 4) If `scripts/` exist, prefer running or patching them instead of retyping large code blocks.\n 5) If `assets/` or templates exist, reuse them instead of recreating from scratch.\n- Coordination and sequencing:\n - If multiple skills apply, choose the minimal set that covers the request and state the order you'll use them.\n - Announce which skill(s) you're using and why (one short line). If you skip an obvious skill, say why.\n- Context hygiene:\n - Keep context small: summarize long sections instead of pasting them; only load extra files when needed.\n - Avoid deep reference-chasing: prefer opening only files directly linked from `SKILL.md` unless you're blocked.\n - When variants exist (frameworks, providers, domains), pick only the relevant reference file(s) and note that choice.\n- Safety and fallback: If a skill can't be applied cleanly (missing files, unclear instructions), state the issue, pick the next-best approach, and continue.\n","\nFilesystem sandboxing defines which files can be read or written. `sandbox_mode` is `danger-full-access`: No filesystem sandboxing - all commands are permitted. Network access is enabled.\nApproval policy is currently never. Do not provide the `sandbox_permissions` for any reason, commands will be rejected.\n","turn/started",{"_422":423,"_86":880},{"_102":-5,"_41":429,"_430":881,"_432":433,"_434":882},[],"inProgress",{"_434":884,"_422":423},{"_885":886,"_91":887},"activeFlags",[],"active","thread/started",{"_890":891},"thread",{"_892":-5,"_893":-5,"_894":895,"_896":433,"_514":515,"_897":15,"_898":-5,"_899":-5,"_41":423,"_900":901,"_184":-5,"_162":902,"_903":212,"_519":904,"_434":905,"_76":906,"_907":433},"agentNickname","agentRole","cliVersion","0.124.0","createdAt","ephemeral","forkedFromId","gitInfo","modelProvider","openai","/opt/codex/sessions/2026/05/25/rollout-2026-05-25T23-13-30-019e616a-349e-7b63-8e22-ac0e71128c64.jsonl","preview","vscode",{"_91":438},[],"updatedAt",[],"messages",[911],{"_41":912,"_913":914,"_915":916,"_917":916,"_444":918,"_434":919,"_446":-5,"_920":31,"_921":922,"_923":924,"_925":-5},"48e0d299-6eaf-4537-a9f6-4d74d5c21032","author",{"_95":325,"_184":-5,"_921":934},"create_time",1779750810.147096,"update_time",{"_930":45,"_931":932},"finished_successfully","weight","metadata",{"_926":927},"recipient","all","channel","l1239dk1",{"_928":929},"inline_comments",[],"content_type","parts",[933],"@codex self-review pass for PR #380.\n\n| Severity | File / lines | Issue | Evidence | Recommended mitigation prompt |\n|---|---|---|---|---|\n| P5 nit / perf | `crates/warp-core/src/observation.rs:1010-1018` | `MissingContent` ABI conversion recomputes retained-evidence coordinate identity while converting both the coordinate and ref. | `retained_evidence_coordinate_to_abi(&reference.coordinate)` computes `coordinate_id()`, then `retained_evidence_ref_to_abi(reference)` computes it again indirectly through `evidence_ref_id()`. `RetainedEvidenceRef::evidence_ref_id()` is intentionally a distinct domain hash over coordinate id, content hash, and byte length (`crates/warp-core/src/retained_evidence.rs:120-128`). | Refactor the ABI conversion helpers so the MissingContent path can compute the coordinate id once and pass it through to coordinate/ref conversion, but preserve the distinct `RetainedEvidenceRef` id domain. Do **not** reuse `coordinate_id` as `evidence_ref_id`; add a helper such as `evidence_ref_id_from_coordinate_id(reference, coordinate_id)` if this is worth optimizing. |\n\nFalse positive checked:\n\n| Source | File / line | Finding | Disposition |\n|---|---|---|---|\n| CodeRabbit | `docs/WorkItems.md:296` | Change \"Github\" to \"GitHub\" in the `#285` row. | False positive. The row contains the path `.github/workflows/det-gates.yml`, where lowercase `.github` is correct path text. Other prose instances already use `GitHub`. |\n\nNo P0-P3 correctness issues found in this review pass. `git diff --check origin/main...HEAD` is clean.\nfeat(core): expose retained evidence posture on readings\n\n## Summary\n- expose generic retained-evidence posture on app-safe reading surfaces\n- inventory outstanding Echo work items and adopt the sequencing filter\n- add WAL/WSC, WSC causal-history, retained-evidence durability, JS/WASM/browser, and publish/versioning backlog cards\n- mark the jedit retained-ref and replay witness checkpoint slices complete\n\n## Validation\n- git diff --check\n- pnpm exec markdownlint-cli2 on touched docs\n- cargo xtask lint-dead-refs on touched docs\n- pre-push hook: cargo fmt/check/test slices for echo-wasm-abi, warp-core observation tests, installed contract pipeline tests, warp-wasm lib tests, and prettier check\n\n## Cross-repo note\nPaired with the jedit branch stack/jedit-echo-production-cutover-plan, which consumes adapter-projected retained reading evidence in the product witness path.\n\n\n\n## Summary by CodeRabbit\n\n* **New Features**\n * Observation artifacts now include retained-evidence posture information for contract-based queries, enabling better tracking and transparency of evidence in the system.\n\n* **Improvements**\n * Enhanced infrastructure with improved contract evidence handling and query identity support, strengthening system observability and query result integrity.\n\n* **Documentation**\n * Updated design and implementation documentation to reflect new retained-evidence capabilities and storage architecture.\n\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/flyingrobots/echo/pull/380?utm_source=github_walkthrough&utm_medium=github&utm_campaign=change_stack)\n\n\n\n\n\n\n\n

📝 Walkthrough

\n\n## Walkthrough\n\nObservation artifacts now encode retained-evidence posture: a generic semantic marker indicating whether reading coordinate or payload bytes are locally available or missing retention. ABI version 11→12, observation artifact version v3→v4. ReadingEnvelope carries retained_evidence vector; computation emits postures only when both contract evidence and query identity exist. Core retained-evidence type refactors missing states into two explicit variants carrying semantic input and obstruction. ABI pipeline converts postures to kernel port shape. Tests verify round-trip CBOR encoding and contract query identity participation in v4 artifact identity.\n\n## Changes\n\n**Retained Evidence in Observation Artifacts**\n\n|Layer / File(s)|Summary|\n|---|---|\n|**ABI retained evidence types and ReadingEnvelope extension**
`crates/echo-wasm-abi/src/kernel_port.rs`|New public types for retained evidence (RetainedEvidenceRole, RetainedEvidenceCoordinate, RetainedEvidenceRef, RetainedEvidencePosture with Available/MissingRetention variants). ReadingEnvelope extended with retained_evidence vector field, serde default. ABI_VERSION bumped 11→12.|\n|**Core retained evidence type refinement**
`crates/warp-core/src/retained_evidence.rs`|RetainedEvidencePosture refactored: MissingRetention variant replaced with MissingCoordinate and MissingContent, each carrying semantic input (coordinate/ref) and typed obstruction. Constructors and obstruction() accessor updated for both variants.|\n|**Observation artifact version bump to v4**
`crates/warp-core/src/observation.rs`|OBSERVATION_VERSION and artifact domain constants bumped v3→v4. ReadingEnvelope extended with retained_evidence field. Test expectations updated to verify v4 artifact identity hash domain.|\n|**Retained evidence computation in ObservationService**
`crates/warp-core/src/observation.rs`|ObservationService::reading_envelope builder computes retained_evidence postures when both contract evidence and query reading identity exist; otherwise emits empty vector. New retained_evidence_postures() helper returns MissingCoordinate and conditional MissingContent postures. Direct (non-contract) observer readings omit retained evidence.|\n|**ABI conversion pipeline for retained evidence**
`crates/warp-core/src/observation.rs`|ReadingEnvelope::to_abi maps retained_evidence through conversion helpers. New retained_evidence_\\*_to_abi functions convert roles, coordinates, refs, and postures to ABI shapes. Retention_id derived from ContractObstruction when obstruction is retention-based. Content hash computed from QueryBytes.|\n|**ABI version constant and retained evidence round-trip tests**
`crates/echo-wasm-abi/src/lib.rs`, `crates/echo-wasm-abi/src/kernel_port.rs`|ABI version constant test updated to expect 12. OpticReadingEnvelope fixture includes retained_evidence empty vector. Legacy CBOR decoding logic filters retained_evidence field; assertion verifies decoded legacy reading has retained_evidence as empty Vec. New test_retained_evidence_posture_round_trip verifies Available and MissingRetention variants CBOR round-trip with equality.|\n|**Core test fixtures and integration test updates**
`crates/warp-core/src/optic/tests.rs`, `crates/warp-core/tests/installed_contract_intent_pipeline_tests.rs`|reading_envelope() fixture includes retained_evidence empty vector. installed_contract_intent_pipeline_tests enhanced: computes query payload BLAKE3 hash, asserts retained_evidence contains two missing-retention variants with second matching hash/length, verifies to_abi() preserves count. Import list reflowed.|\n|**WASM test stub kernel updated**
`crates/warp-wasm/src/lib.rs`|StubKernel::observe test implementation includes retained_evidence field initialized to empty Vec in returned ReadingEnvelope.|\n|**Changelog, design, backlog, and specification documentation**
`CHANGELOG.md`, `docs/BEARING.md`, `docs/spec/SPEC-0009-wasm-abi.md`, `docs/design/*`, `docs/method/backlog/v0.1.0/*`, `docs/WorkItems.md`, `crates/warp-wasm/README.md`|CHANGELOG documents observation artifact v4 and ABI v12 with retained-evidence-posture semantics. BEARING.md refreshed with WAL/WSC design doc references and assertion that app-safe observation/WASM surfaces carry generic retained-evidence posture. SPEC-0009 version bumped to 12 with observation metadata including contract/query identity and retained-evidence posture. New work-item-sequencing-and-prioritization.md design document defines execution gravity and release-proof sequence for v0.1.0. New backlog specifications for retained-evidence durability boundary, WAL/WSC storage relationship, WSC causal-history storage, JS/WASM/Browser client release surface. causal-wal-end-to-end.md extended with WAL projection and WSC doctrine. v0.1.0-jedit-next-ten-slices.md progress bar and implementation notes for slices 3–5. warp-wasm README updated with ABI_VERSION 12 exports. WorkItems.md populated with comprehensive inventory, audit metadata, and backlog categorization.|\n\n## Estimated code review effort\n\n🎯 3 (Moderate) | ⏱️ ~25 minutes\n\n## Possibly related PRs\n\n- [flyingrobots/echo#371](https://github.com/flyingrobots/echo/pull/371): Added contract/query_identity fields to ReadingEnvelope ABI; this PR extends the same envelope further with retained_evidence and bumps to next ABI/artifact versions (11→12, v3→v4).\n\n## Poem\n\n> Evidence retained yet locally sparse—\n> query identity hashed into artifact;\n> missing bytes marked with obstruction's face,\n> v4 knows what v3 couldn't track. 🔒\n\n

\n\n\n\n\n

🚥 Pre-merge checks | ✅ 4 | ❌ 1

\n\n### ❌ Failed checks (1 warning)\n\n| Check name | Status | Explanation | Resolution |\n| :----------------: | :--------- | :------------------------------------------------------------------------------------ | :--------------------------------------------------------------------------------- |\n| Docstring Coverage | ⚠️ Warning | Docstring coverage is 51.85% which is insufficient. The required threshold is 80.00%. | Write docstrings for the functions missing them to satisfy the coverage threshold. |\n\n

✅ Passed checks (4 passed)

\n\n_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}\n\n

\n\n\n\n\n

✨ Finishing Touches

\n\n

📝 Generate docstrings

\n\n- [ ] Create stacked PR\n- [ ] Commit on current branch\n\n

🧪 Generate unit tests (beta)

\n\n- [ ] Create PR with unit tests\n- [ ] Commit unit tests in branch `stack/wasm-retained-evidence-refs`\n\n

\n\n

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\n\n\n_{Comment `@coderabbitai help` to get the list of available commands and usage tips.}\n\n\n\n\n\n\n\n\n_🧹 Nitpick_ | _🔵 Trivial_ | _⚡ Quick win_\n\n**Redundant hash computation in ABI conversion.**\n\nFor `MissingContent`, `coordinate_id()` is computed three times:\n1. Line 1014: `retained_evidence_coordinate_to_abi(&reference.coordinate)`\n2. Line 1017 → 988: inside `retained_evidence_ref_to_abi` calls it again\n3. Line 1017 → 991: `evidence_ref_id()` internally calls `coordinate.coordinate_id()`\n\nEach `coordinate_id()` invokes BLAKE3 hashing over contract identity + role + digest.\n\n\n\n

Compute IDs once and pass through

\n\n```diff\n+fn retained_evidence_ref_to_abi_with_ids(\n+ reference: &RetainedEvidenceRef,\n+ coord_id: Hash,\n+ ref_id: Hash,\n+) -> abi::RetainedEvidenceRef {\n+ abi::RetainedEvidenceRef {\n+ coordinate: abi::RetainedEvidenceCoordinate {\n+ contract: contract_evidence_to_abi(&reference.coordinate.contract),\n+ role: retained_evidence_role_to_abi(reference.coordinate.role),\n+ semantic_digest: reference.coordinate.semantic_digest.to_vec(),\n+ coordinate_id: coord_id.to_vec(),\n+ },\n+ content_hash: reference.content_hash.to_vec(),\n+ byte_len: reference.byte_len,\n+ evidence_ref_id: ref_id.to_vec(),\n+ }\n+}\n\n fn retained_evidence_posture_to_abi(\n posture: &RetainedEvidencePosture,\n ) -> abi::RetainedEvidencePosture {\n match posture {\n // ... Available case unchanged ...\n RetainedEvidencePosture::MissingContent {\n reference,\n obstruction,\n } => {\n+ let coord_id = reference.coordinate.coordinate_id();\n+ let ref_id = reference.evidence_ref_id();\n abi::RetainedEvidencePosture::MissingRetention {\n- coordinate: Some(Box::new(retained_evidence_coordinate_to_abi(\n- &reference.coordinate,\n- ))),\n- reference: Some(Box::new(retained_evidence_ref_to_abi(reference))),\n+ coordinate: Some(Box::new(abi::RetainedEvidenceCoordinate {\n+ contract: contract_evidence_to_abi(&reference.coordinate.contract),\n+ role: retained_evidence_role_to_abi(reference.coordinate.role),\n+ semantic_digest: reference.coordinate.semantic_digest.to_vec(),\n+ coordinate_id: coord_id.to_vec(),\n+ })),\n+ reference: Some(Box::new(retained_evidence_ref_to_abi_with_ids(\n+ reference, coord_id, ref_id,\n+ ))),\n retention_id: retained_obstruction_id(obstruction),\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/warp-core/src/observation.rs` around lines 975 - 1021, The\nMissingContent branch recomputes the coordinate_id (heavy BLAKE3) multiple\ntimes; fix by computing coordinate_id once (let coord_id =\nreference.coordinate.coordinate_id().to_vec()), then build the ABI values\nreusing that id: construct an abi::RetainedEvidenceCoordinate with coord_id and\nuse it for the coordinate field, and construct an abi::RetainedEvidenceRef that\nuses the same coord_id for its coordinate and for evidence_ref_id, instead of\ncalling retained_evidence_coordinate_to_abi or evidence_ref_id() which trigger\nanother hash; update retained_evidence_posture_to_abi (MissingContent arm) to\nassemble these ABI structs directly from the precomputed coord_id and call\nretained_obstruction_id(obstruction) as before.\n```\n\n

\n\n\n\n\n_⚠️ Potential issue_ | _🟡 Minor_ | _⚡ Quick win_\n\n**Use official capitalization for GitHub.**\n\nUse `GitHub` (capital H) in this table row to avoid platform-name inconsistency in release evidence docs. \n \nAs per coding guidelines, documentation accuracy matters and factual errors should be flagged.\n\n

🧰 Tools

\n\n

🪛 LanguageTool

\n\n[uncategorized] ~296-~296: The official name of this software platform is spelled with a capital “H”.\nContext: ...85) | Closed as completed. | `.github/workflows/det-gates.yml` computes `DETE...\n\n(GITHUB)\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 `@docs/WorkItems.md` at line 296, Update the platform name capitalization in\nthe WorkItems table row referencing issue [`#285`]: change \"Github\" to the\nofficial \"GitHub\" in the table cell text that currently reads\n\".github/workflows/det-gates.yml computes...\" so the row becomes consistent with\nplatform naming (identify the row by the issue link \"[`#285`]\" and the quoted file\nnames `det-gates.yml` / `det-policy.yaml` for locating it).\n```\n\n

\n\n\n\n\n**Actionable comments posted: 2**\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/warp-core/src/observation.rs`:\n- Around line 975-1021: The MissingContent branch recomputes the coordinate_id\n(heavy BLAKE3) multiple times; fix by computing coordinate_id once (let coord_id\n= reference.coordinate.coordinate_id().to_vec()), then build the ABI values\nreusing that id: construct an abi::RetainedEvidenceCoordinate with coord_id and\nuse it for the coordinate field, and construct an abi::RetainedEvidenceRef that\nuses the same coord_id for its coordinate and for evidence_ref_id, instead of\ncalling retained_evidence_coordinate_to_abi or evidence_ref_id() which trigger\nanother hash; update retained_evidence_posture_to_abi (MissingContent arm) to\nassemble these ABI structs directly from the precomputed coord_id and call\nretained_obstruction_id(obstruction) as before.\n\nIn `@docs/WorkItems.md`:\n- Line 296: Update the platform name capitalization in the WorkItems table row\nreferencing issue [`#285`]: change \"Github\" to the official \"GitHub\" in the table\ncell text that currently reads \".github/workflows/det-gates.yml computes...\" so\nthe row becomes consistent with platform naming (identify the row by the issue\nlink \"[`#285`]\" and the quoted file names `det-gates.yml` / `det-policy.yaml` for\nlocating it).\n```\n\n

\n\n

🪄 Autofix (Beta)

\n\nFix all unresolved CodeRabbit comments on this PR:\n\n- [ ] Push a commit to this branch (recommended)\n- [ ] Create a new PR with the fixes\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**: ASSERTIVE\n\n**Plan**: Pro\n\n**Run ID**: `bf9abbb2-7124-4579-995a-ab336c7c2129`\n\n

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📥 Commits

\n\nReviewing files that changed from the base of the PR and between 6f01f063946b8a4134e87a5133ed531c9c02392b and 9e3495adcedfc2d000b6df69f821a392465e9d4a.\n\n

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📒 Files selected for processing (20)

\n\n* `CHANGELOG.md`\n* `crates/echo-wasm-abi/src/kernel_port.rs`\n* `crates/echo-wasm-abi/src/lib.rs`\n* `crates/warp-core/src/observation.rs`\n* `crates/warp-core/src/optic/tests.rs`\n* `crates/warp-core/src/retained_evidence.rs`\n* `crates/warp-core/tests/installed_contract_intent_pipeline_tests.rs`\n* `crates/warp-wasm/README.md`\n* `crates/warp-wasm/src/lib.rs`\n* `docs/BEARING.md`\n* `docs/WorkItems.md`\n* `docs/design/causal-wal-end-to-end.md`\n* `docs/design/v0.1.0-jedit-next-ten-slices.md`\n* `docs/design/work-item-sequencing-and-prioritization.md`\n* `docs/method/backlog/v0.1.0/PLATFORM_js-wasm-browser-client-release-surface.md`\n* `docs/method/backlog/v0.1.0/PLATFORM_retained-evidence-durability-boundary.md`\n* `docs/method/backlog/v0.1.0/PLATFORM_wal-wsc-storage-relationship.md`\n* `docs/method/backlog/v0.1.0/PLATFORM_wsc-causal-history-storage.md`\n* `docs/method/backlog/v0.1.0/RELEASE_package-publish-and-versioning.md`\n* `docs/spec/SPEC-0009-wasm-abi.md`\n\n

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\n\n",{},"created",1779750991.0518255,"Completing the task","event_type","info",{"_91":449,"_95":92,"_444":3399},{"_91":966,"_967":968},{"_91":943,"_944":480,"_945":946,"_947":948,"_949":-5},"pr","pr_title","pr_message","### Motivation\n\n- Reduce repeated BLAKE3 hashing during ABI conversion of retained-evidence refs by computing `coordinate_id` once per `RetainedEvidenceRef` path. \n- Preserve the distinct `RetainedEvidenceRef` id domain while removing redundant work. \n\n### Description\n\n- Added `RetainedEvidenceRef::evidence_ref_id_from_coordinate_id` to derive the ref id from a precomputed coordinate id and updated `evidence_ref_id()` to delegate to it. \n- Updated `retained_evidence_ref_to_abi` to compute `coordinate_id` once and reuse it for the ABI `coordinate` field and for deriving the `evidence_ref_id`, eliminating duplicate `coordinate_id()` hashing. \n- Kept ABI and semantics unchanged; the `RETAINED_EVIDENCE_REF_ID_DOMAIN` is preserved and the ref id remains a distinct domain hash. \n- Files modified: `crates/warp-core/src/retained_evidence.rs` and `crates/warp-core/src/observation.rs`.\n\n### Testing\n\n- Ran `cargo check -p warp-core` and it completed successfully. \n- No other automated test runs were executed as part of this change.","output_diff",{"_91":947,"_950":515,"_127":128,"_951":-5,"_324":952,"_953":954,"_955":956,"_957":958,"_959":328,"_960":480,"_961":962},"pre_apply_patch","repo_id","preapply_patch_base_commit_sha","diff --git a/crates/warp-core/src/observation.rs b/crates/warp-core/src/observation.rs\nindex 021314a58115ee75abecb65f6b43d6ad213a3ca0..0b006161b8538d33db8ade761c9e6459eeecc65f 100644\n--- a/crates/warp-core/src/observation.rs\n+++ b/crates/warp-core/src/observation.rs\n@@ -962,80 +962,86 @@ fn contract_evidence_to_abi(evidence: &ContractEvidenceIdentity) -> abi::Contrac\n }\n \n fn retained_evidence_role_to_abi(role: RetainedEvidenceRole) -> abi::RetainedEvidenceRole {\n match role {\n RetainedEvidenceRole::ContractArtifact => abi::RetainedEvidenceRole::ContractArtifact,\n RetainedEvidenceRole::ContractReceipt => abi::RetainedEvidenceRole::ContractReceipt,\n RetainedEvidenceRole::Witness => abi::RetainedEvidenceRole::Witness,\n RetainedEvidenceRole::ReadingPayload => abi::RetainedEvidenceRole::ReadingPayload,\n RetainedEvidenceRole::ReadingEnvelope => abi::RetainedEvidenceRole::ReadingEnvelope,\n RetainedEvidenceRole::ObserverArtifact => abi::RetainedEvidenceRole::ObserverArtifact,\n }\n }\n \n fn retained_evidence_coordinate_to_abi(\n coordinate: &RetainedEvidenceCoordinate,\n ) -> abi::RetainedEvidenceCoordinate {\n abi::RetainedEvidenceCoordinate {\n contract: contract_evidence_to_abi(&coordinate.contract),\n role: retained_evidence_role_to_abi(coordinate.role),\n semantic_digest: coordinate.semantic_digest.to_vec(),\n coordinate_id: coordinate.coordinate_id().to_vec(),\n }\n }\n \n fn retained_evidence_ref_to_abi(reference: &RetainedEvidenceRef) -> abi::RetainedEvidenceRef {\n+ let coordinate_id = reference.coordinate.coordinate_id();\n abi::RetainedEvidenceRef {\n- coordinate: retained_evidence_coordinate_to_abi(&reference.coordinate),\n+ coordinate: abi::RetainedEvidenceCoordinate {\n+ contract: contract_evidence_to_abi(&reference.coordinate.contract),\n+ role: retained_evidence_role_to_abi(reference.coordinate.role),\n+ semantic_digest: reference.coordinate.semantic_digest.to_vec(),\n+ coordinate_id: coordinate_id.to_vec(),\n+ },\n content_hash: reference.content_hash.to_vec(),\n byte_len: reference.byte_len,\n- evidence_ref_id: reference.evidence_ref_id().to_vec(),\n+ evidence_ref_id: reference\n+ .evidence_ref_id_from_coordinate_id(coordinate_id)\n+ .to_vec(),\n }\n }\n \n fn retained_evidence_posture_to_abi(\n posture: &RetainedEvidencePosture,\n ) -> abi::RetainedEvidencePosture {\n match posture {\n RetainedEvidencePosture::Available(reference) => abi::RetainedEvidencePosture::Available {\n reference: Box::new(retained_evidence_ref_to_abi(reference)),\n },\n RetainedEvidencePosture::MissingCoordinate {\n coordinate,\n obstruction,\n } => abi::RetainedEvidencePosture::MissingRetention {\n coordinate: Some(Box::new(retained_evidence_coordinate_to_abi(coordinate))),\n reference: None,\n retention_id: retained_obstruction_id(obstruction),\n },\n RetainedEvidencePosture::MissingContent {\n reference,\n obstruction,\n } => abi::RetainedEvidencePosture::MissingRetention {\n- coordinate: Some(Box::new(retained_evidence_coordinate_to_abi(\n- &reference.coordinate,\n- ))),\n+ coordinate: Some(Box::new(retained_evidence_coordinate_to_abi(&reference.coordinate))),\n reference: Some(Box::new(retained_evidence_ref_to_abi(reference))),\n retention_id: retained_obstruction_id(obstruction),\n },\n }\n }\n \n fn retained_obstruction_id(obstruction: &ContractObstruction) -> Vec {\n match &obstruction.subject {\n ContractObstructionSubject::Retention { retention_id } => retention_id.to_vec(),\n _ => Vec::new(),\n }\n }\n \n fn query_vars_digest(vars_bytes: &[u8]) -> Result {\n let digest = echo_wasm_abi::query_vars_digest_v1(vars_bytes);\n digest.as_slice().try_into().map_err(|_| {\n ObservationError::CodecFailure(\"query vars digest length was not 32 bytes\".to_owned())\n })\n }\n \n fn retained_evidence_content_hash(bytes: &[u8]) -> Hash {\n blake3::hash(bytes).into()\n }\n \n fn push_len_prefixed(hasher: &mut Hasher, bytes: &[u8]) {\ndiff --git a/crates/warp-core/src/retained_evidence.rs b/crates/warp-core/src/retained_evidence.rs\nindex 70afada7a40aeec6ec8d4ff7c5b83882638a05b3..cff34210fef4d2f5d2a8aed1d3b053ff14e6428b 100644\n--- a/crates/warp-core/src/retained_evidence.rs\n+++ b/crates/warp-core/src/retained_evidence.rs\n@@ -98,53 +98,59 @@ impl RetainedEvidenceCoordinate {\n /// First-class reference to retained contract evidence bytes.\n #[derive(Clone, Debug, PartialEq, Eq)]\n pub struct RetainedEvidenceRef {\n /// Semantic coordinate that explains what the retained bytes answer.\n pub coordinate: RetainedEvidenceCoordinate,\n /// Content-only hash for the retained bytes.\n pub content_hash: Hash,\n /// Retained byte length.\n pub byte_len: u64,\n }\n \n impl RetainedEvidenceRef {\n /// Builds a retained evidence reference.\n #[must_use]\n pub fn new(coordinate: RetainedEvidenceCoordinate, content_hash: Hash, byte_len: u64) -> Self {\n Self {\n coordinate,\n content_hash,\n byte_len,\n }\n }\n \n /// Stable id that binds semantic coordinate, content hash, and byte length.\n #[must_use]\n pub fn evidence_ref_id(&self) -> Hash {\n+ self.evidence_ref_id_from_coordinate_id(self.coordinate.coordinate_id())\n+ }\n+\n+ /// Stable id that binds provided coordinate id, content hash, and byte length.\n+ #[must_use]\n+ pub(crate) fn evidence_ref_id_from_coordinate_id(&self, coordinate_id: Hash) -> Hash {\n let mut hasher = Hasher::new();\n hasher.update(RETAINED_EVIDENCE_REF_ID_DOMAIN);\n- hasher.update(&self.coordinate.coordinate_id());\n+ hasher.update(&coordinate_id);\n hasher.update(&self.content_hash);\n hasher.update(&self.byte_len.to_le_bytes());\n hasher.finalize().into()\n }\n \n /// Builds a typed missing-retention obstruction for this exact retained ref.\n #[must_use]\n pub fn missing_retention_obstruction(&self) -> ContractObstruction {\n ContractObstruction::missing_retention(self.evidence_ref_id())\n .with_contract(self.coordinate.contract.clone())\n }\n }\n \n /// Retained evidence availability posture.\n #[derive(Clone, Debug, PartialEq, Eq)]\n pub enum RetainedEvidencePosture {\n /// The retained evidence is locally available.\n Available(RetainedEvidenceRef),\n /// No retained descriptor exists for this semantic coordinate.\n MissingCoordinate {\n /// Coordinate that should eventually name retained evidence.\n coordinate: RetainedEvidenceCoordinate,\n /// Typed missing-retention obstruction for the coordinate.\n obstruction: ContractObstruction,\n 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SPDX-License-Identifier: Apache-2.0","// © James Ross Ω FLYING•ROBOTS ","//! Explicit observation contract for worldline reads.","//!","//! Phase 5 makes observation the single canonical internal read path. Every","//! meaningful read names:","//! - a worldline,","//! - a coordinate,","//! - a semantic frame,","//! - and a projection.","//! Observation is strictly read-only. It never advances runtime state, drains","//! inboxes, rewrites provenance, or mutates compatibility mirrors.","use std::sync::Arc;","use blake3::Hasher;","use echo_wasm_abi::kernel_port as abi;","use thiserror::Error;","use crate::attachment::{AttachmentOwner, AttachmentPlane};","use crate::clock::{GlobalTick, WorldlineTick};","use crate::contract_obstruction::{ContractObstruction, ContractObstructionSubject};","use crate::contract_registry::{ContractEvidenceIdentity, ContractOperationKind};","use crate::coordinator::WorldlineRuntime;","use crate::engine_impl::Engine;","use crate::ident::Hash;","use crate::materialization::ChannelId;","use crate::optic::{"," AttachmentDescentPolicy, CoordinateAt, EchoCoordinate, MissingWitnessBasisReason,"," ObserveOpticRequest, ObserveOpticResult, OpticApertureShape, OpticCapabilityId, OpticFocus,"," OpticObstruction, OpticObstructionKind, OpticReading, ReadIdentity, WitnessBasis,","};","use crate::provenance_store::{ProvenanceRef, ProvenanceService, ProvenanceStore};","use crate::retained_evidence::{"," RetainedEvidenceCoordinate, RetainedEvidencePosture, RetainedEvidenceRef, RetainedEvidenceRole,","use crate::snapshot::Snapshot;","use crate::strand::{StrandId, StrandRevalidationState};","use crate::tick_patch::SlotId;","use crate::worldline::WorldlineId;","const OBSERVATION_VERSION: u32 = 4;","const OBSERVATION_ARTIFACT_DOMAIN: &[u8] = b\"echo:observation-artifact:v4\\0\";","const QUERY_READING_IDENTITY_DOMAIN: &[u8] = b\"echo:query-reading-identity:v1\\0\";","const QUERY_READING_BASIS_DOMAIN: &[u8] = b\"echo:query-reading-basis:v1\\0\";","const QUERY_READING_APERTURE_DOMAIN: &[u8] = b\"echo:query-reading-aperture:v1\\0\";","const OPTIC_OBSERVATION_WITNESS_SET_DOMAIN: &[u8] = b\"echo:optic-observation-witness-set:v1\\0\";","const OPTIC_LIVE_TAIL_WITNESS_SET_DOMAIN: &[u8] = b\"echo:optic-live-tail-witness-set:v1\\0\";","const OPTIC_METADATA_APERTURE_MIN_BYTES: u64 = 128;","macro_rules! opaque_id {"," ($(#[$meta:meta])* $name:ident) => {"," $(#[$meta])*"," #[repr(transparent)]"," #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]"," #[cfg_attr(feature = \"serde\", derive(serde::Serialize, serde::Deserialize))]"," pub struct $name([u8; 32]);"," impl $name {"," /// Reconstructs the id from canonical bytes."," #[must_use]"," pub const fn from_bytes(bytes: [u8; 32]) -> Self {"," Self(bytes)"," }"," /// Returns the canonical byte representation."," pub const fn as_bytes(&self) -> &[u8; 32] {"," &self.0"," }"," };","}","opaque_id!("," /// Stable identity for an authored or kernel observer plan."," ObserverPlanId",");"," /// Stable identity for a hosted observer instance."," ObserverInstanceId","/// Coordinate selector for an observation request.","#[derive(Clone, Debug, PartialEq, Eq)]","pub struct ObservationCoordinate {"," /// Worldline to observe."," pub worldline_id: WorldlineId,"," /// Requested coordinate within the worldline."," pub at: ObservationAt,","impl ObservationCoordinate {"," fn to_abi(&self) -> abi::ObservationCoordinate {"," abi::ObservationCoordinate {"," worldline_id: abi::WorldlineId::from_bytes(*self.worldline_id.as_bytes()),"," at: self.at.to_abi(),"," }","/// Requested position within a worldline.","#[derive(Clone, Copy, Debug, PartialEq, Eq)]","pub enum ObservationAt {"," /// Observe the current worldline frontier."," Frontier,"," /// Observe a specific committed historical tick."," Tick(WorldlineTick),","impl ObservationAt {"," fn to_abi(self) -> abi::ObservationAt {"," match self {"," Self::Frontier => abi::ObservationAt::Frontier,"," Self::Tick(worldline_tick) => abi::ObservationAt::Tick {"," worldline_tick: abi::WorldlineTick(worldline_tick.as_u64()),"," },","/// Semantic frame declared by an observation request.","pub enum ObservationFrame {"," /// Read commit-boundary state metadata."," CommitBoundary,"," /// Read recorded truth from provenance outputs."," RecordedTruth,"," /// Read query-shaped projections."," QueryView,","impl ObservationFrame {"," fn to_abi(self) -> abi::ObservationFrame {"," Self::CommitBoundary => abi::ObservationFrame::CommitBoundary,"," Self::RecordedTruth => abi::ObservationFrame::RecordedTruth,"," Self::QueryView => abi::ObservationFrame::QueryView,","/// Coarse projection kind used by the validity matrix and deterministic errors.","pub enum ObservationProjectionKind {"," /// Head metadata projection."," Head,"," /// Snapshot metadata projection."," Snapshot,"," /// Recorded truth channels projection."," TruthChannels,"," /// Query payload projection."," Query,","impl ObservationProjectionKind {"," /// Converts a validated internal projection into the ABI form."," ///"," /// This helper is only valid when `self` and `projection` are matching"," /// variants. Reaching the fallback arm is a programmer error in the"," /// observation service, not a recoverable runtime condition."," fn to_abi(self, projection: &ObservationProjection) -> abi::ObservationProjection {"," match (self, projection) {"," (Self::Head, ObservationProjection::Head) => abi::ObservationProjection::Head,"," (Self::Snapshot, ObservationProjection::Snapshot) => {"," abi::ObservationProjection::Snapshot"," (Self::TruthChannels, ObservationProjection::TruthChannels { channels }) => {"," abi::ObservationProjection::TruthChannels {"," channels: channels.as_ref().map(|ids| {"," ids.iter()"," .map(|channel| channel.0.to_vec())"," .collect::>()"," }),"," }"," ("," Self::Query,"," ObservationProjection::Query {"," query_id,"," vars_bytes,"," },"," ) => abi::ObservationProjection::Query {"," query_id: *query_id,"," vars_bytes: vars_bytes.clone(),"," _ => {"," debug_assert!("," false,"," \"ObservationProjectionKind::to_abi requires matching kind/projection variants\""," );"," unreachable!("," )","/// Requested projection within a frame.","pub enum ObservationProjection {"," TruthChannels {"," /// Optional channel filter. `None` means all recorded channels."," channels: Option>,"," },"," /// Query payload placeholder."," Query {"," /// Stable query identifier."," query_id: u32,"," /// Canonical vars payload bytes."," vars_bytes: Vec,","impl ObservationProjection {"," /// Returns the coarse projection kind used for validation and error reporting."," #[must_use]"," pub fn kind(&self) -> ObservationProjectionKind {"," Self::Head => ObservationProjectionKind::Head,"," Self::Snapshot => ObservationProjectionKind::Snapshot,"," Self::TruthChannels { .. } => ObservationProjectionKind::TruthChannels,"," Self::Query { .. } => ObservationProjectionKind::Query,"," fn to_abi(&self) -> abi::ObservationProjection {"," self.kind().to_abi(self)","/// Canonical observation request.","pub struct ObservationRequest {"," /// Worldline coordinate being observed."," pub coordinate: ObservationCoordinate,"," /// Declared semantic frame."," pub frame: ObservationFrame,"," /// Requested projection within that frame."," pub projection: ObservationProjection,"," /// Observer plan the caller is explicitly invoking."," pub observer_plan: ReadingObserverPlan,"," /// Hosted observer instance state, when this is not a one-shot read."," pub observer_instance: Option,"," /// Declared read budget."," pub budget: ObservationReadBudget,"," /// Declared rights posture for the read."," pub rights: ObservationRights,","impl ObservationRequest {"," /// Builds a one-shot built-in observation request for the frame/projection pair."," pub fn builtin_one_shot("," coordinate: ObservationCoordinate,"," frame: ObservationFrame,"," projection: ObservationProjection,"," ) -> Result {"," let observer_plan = builtin_observer_plan_for(frame, projection.kind())?;"," Ok(Self {"," coordinate,"," frame,"," projection,"," observer_plan,"," observer_instance: None,"," budget: ObservationReadBudget::UnboundedOneShot,"," rights: ObservationRights::KernelPublic,"," })"," /// Converts the request to the shared ABI DTO."," pub fn to_abi(&self) -> abi::ObservationRequest {"," abi::ObservationRequest {"," coordinate: self.coordinate.to_abi(),"," frame: self.frame.to_abi(),"," projection: self.projection.to_abi(),"," observer_plan: self.observer_plan.to_abi(),"," observer_instance: self"," .observer_instance"," .as_ref()"," .map(ObserverInstanceRef::to_abi),"," budget: self.budget.to_abi(),"," rights: self.rights.to_abi(),","/// Fully resolved coordinate returned with every observation.","pub struct ResolvedObservationCoordinate {"," /// Observation contract version."," pub observation_version: u32,"," /// Worldline that was actually observed."," /// Original coordinate selector from the request."," pub requested_at: ObservationAt,"," /// Concrete resolved tick."," pub resolved_worldline_tick: WorldlineTick,"," /// Commit-cycle stamp for the resolved commit, if any."," pub commit_global_tick: Option,"," /// Observation freshness watermark after resolving this artifact."," pub observed_after_global_tick: Option,"," /// Canonical state root at the resolved coordinate."," pub state_root: Hash,"," /// Canonical commit hash at the resolved coordinate."," pub commit_hash: Hash,","impl ResolvedObservationCoordinate {"," pub(crate) fn to_abi(&self) -> abi::ResolvedObservationCoordinate {"," abi::ResolvedObservationCoordinate {"," observation_version: self.observation_version,"," requested_at: self.requested_at.to_abi(),"," resolved_worldline_tick: abi::WorldlineTick(self.resolved_worldline_tick.as_u64()),"," commit_global_tick: self"," .commit_global_tick"," .map(|tick| abi::GlobalTick(tick.as_u64())),"," observed_after_global_tick: self"," .observed_after_global_tick"," state_root: self.state_root.to_vec(),"," commit_hash: self.commit_hash.to_vec(),","/// Read-side basis posture carried by every observation artifact.","pub enum ObservationBasisPosture {"," /// Ordinary worldline read with no live-strand basis relation."," Worldline,"," /// Historical coordinate on a live strand's child worldline."," StrandHistorical {"," /// Live strand whose child worldline was read."," strand_id: StrandId,"," /// Live strand frontier read while parent remains at the fork anchor."," StrandAtAnchor {"," /// Live strand frontier read after parent movement outside the owned footprint."," StrandParentAdvancedDisjoint {"," /// Anchor coordinate from which the strand diverged."," parent_from: crate::provenance_store::ProvenanceRef,"," /// Current parent basis used for the read."," parent_to: crate::provenance_store::ProvenanceRef,"," /// Live strand frontier read after parent movement inside the owned footprint."," StrandRevalidationRequired {"," /// Current parent basis that must be revalidated."," /// Parent-written slots that overlap the strand-owned closed footprint."," overlapping_slots: Vec,","impl ObservationBasisPosture {"," fn to_abi(&self) -> abi::ObservationBasisPosture {"," Self::Worldline => abi::ObservationBasisPosture::Worldline,"," Self::StrandHistorical { strand_id } => {"," abi::ObservationBasisPosture::StrandHistorical {"," strand_id: abi::StrandId::from_bytes(*strand_id.as_bytes()),"," Self::StrandAtAnchor { strand_id } => abi::ObservationBasisPosture::StrandAtAnchor {"," strand_id: abi::StrandId::from_bytes(*strand_id.as_bytes()),"," Self::StrandParentAdvancedDisjoint {"," strand_id,"," parent_from,"," parent_to,"," } => abi::ObservationBasisPosture::StrandParentAdvancedDisjoint {"," parent_from: provenance_ref_to_abi(*parent_from),"," parent_to: provenance_ref_to_abi(*parent_to),"," Self::StrandRevalidationRequired {"," overlapping_slots,"," } => abi::ObservationBasisPosture::StrandRevalidationRequired {"," overlapping_slot_count: overlapping_slots.len() as u64,"," overlapping_slots_digest: overlap_slots_digest(overlapping_slots).to_vec(),","/// Built-in observer plans provided by the kernel.","pub enum BuiltinObserverPlan {"," /// Commit-boundary head metadata reading."," CommitBoundaryHead,"," /// Commit-boundary snapshot metadata reading."," CommitBoundarySnapshot,"," /// Recorded-truth channel payload reading."," RecordedTruthChannels,"," /// Query-byte reading placeholder."," QueryBytes,","impl BuiltinObserverPlan {"," fn to_abi(self) -> abi::BuiltinObserverPlan {"," Self::CommitBoundaryHead => abi::BuiltinObserverPlan::CommitBoundaryHead,"," Self::CommitBoundarySnapshot => abi::BuiltinObserverPlan::CommitBoundarySnapshot,"," Self::RecordedTruthChannels => abi::BuiltinObserverPlan::RecordedTruthChannels,"," Self::QueryBytes => abi::BuiltinObserverPlan::QueryBytes,","/// Authored observer plan identity.","pub struct AuthoredObserverPlan {"," /// Stable plan identity."," pub plan_id: ObserverPlanId,"," /// Hash of the generated or installed observer artifact."," pub artifact_hash: Hash,"," /// Hash of the authored schema or contract family."," pub schema_hash: Hash,"," /// Hash of the observer state schema."," pub state_schema_hash: Hash,"," /// Hash of the observer update law."," pub update_law_hash: Hash,"," /// Hash of the observer emission law."," pub emission_law_hash: Hash,","impl AuthoredObserverPlan {"," fn to_abi(&self) -> abi::AuthoredObserverPlan {"," abi::AuthoredObserverPlan {"," plan_id: observer_plan_id_to_abi(self.plan_id),"," artifact_hash: self.artifact_hash.to_vec(),"," schema_hash: self.schema_hash.to_vec(),"," state_schema_hash: self.state_schema_hash.to_vec(),"," update_law_hash: self.update_law_hash.to_vec(),"," emission_law_hash: self.emission_law_hash.to_vec(),","/// Installed one-shot contract query observer.","///","/// Contract query observers are installed by the runtime host. They are","/// read-only and run only through [`ObservationService::observe`] for","/// `QueryView`/`Query` requests. Echo core does not import application nouns;","/// the observer returns bounded bytes and the reading envelope carries the","/// authored observer plan identity.","#[derive(Clone)]","pub struct ContractQueryObserver {"," /// Stable generated query operation id this observer handles."," pub query_id: u32,"," /// Authored/generated observer plan identity and law hashes."," pub observer_plan: AuthoredObserverPlan,"," /// Read-only observer function."," pub observe: ContractQueryObserveFn,","impl ContractQueryObserver {"," /// Builds an installed contract query observer from a read-only host"," /// closure. The closure receives immutable observation context and cannot"," /// tick or mutate the runtime through this boundary."," pub fn new(query_id: u32, observer_plan: AuthoredObserverPlan, observe: F) -> Self"," where"," F: for<'a> Fn("," ContractQueryObserverContext<'a>,"," )"," -> Result"," + Send"," + Sync"," + 'static,"," {"," Self {"," query_id,"," observe: Arc::new(observe),"," fn observer_plan(&self) -> ReadingObserverPlan {"," ReadingObserverPlan::Authored {"," plan: Box::new(self.observer_plan.clone()),","/// Read-only installed contract query observer function.","pub type ContractQueryObserveFn = Arc<"," dyn for<'a> Fn("," ContractQueryObserverContext<'a>,"," ) -> Result"," + Send"," + Sync"," + 'static,",">;","/// Read-only context passed to an installed contract query observer.","pub struct ContractQueryObserverContext<'a> {"," /// Stable generated query operation id."," /// Canonical vars bytes from the query projection."," pub vars_bytes: &'a [u8],"," /// Original observation request."," pub request: &'a ObservationRequest,"," /// Resolved causal basis for the reading."," pub resolved: &'a ResolvedObservationCoordinate,"," /// Runtime carrier being observed."," pub runtime: &'a WorldlineRuntime,"," /// Provenance store supporting the reading."," pub provenance: &'a ProvenanceService,","/// Bytes and residual posture emitted by an installed contract query observer.","pub struct ContractQueryObserverResult {"," /// Bounded observer payload bytes."," pub bytes: Vec,"," /// Residual or completeness posture for the emitted reading."," pub residual_posture: ReadingResidualPosture,","impl ContractQueryObserverResult {"," /// Builds a complete query reading."," pub fn complete(bytes: Vec) -> Self {"," bytes,"," residual_posture: ReadingResidualPosture::Complete,"," /// Builds a query reading that reports explicit residual outside the payload."," pub fn residual(bytes: Vec) -> Self {"," residual_posture: ReadingResidualPosture::Residual,","/// Error emitted by a hosted query observer while producing query bytes.","#[derive(Clone, Debug, PartialEq, Eq, Error)]","pub enum ContractQueryObserverError {"," /// Canonical query vars could not be decoded for the generated query id."," #[error(\"invalid query vars for query id {query_id}: {message}\")]"," InvalidVars {"," /// Generated query operation id."," /// Deterministic decode error description."," message: String,"," /// The hosted observer failed after vars were decoded."," #[error(\"query observer failed for query id {query_id}: {message}\")]"," Failed {"," /// Deterministic failure description.","impl ContractQueryObserverError {"," /// Builds a typed invalid-vars observer error."," pub fn invalid_vars(query_id: u32, message: impl Into) -> Self {"," Self::InvalidVars {"," message: message.into(),"," /// Builds a typed observer failure."," pub fn failed(query_id: u32, message: impl Into) -> Self {"," Self::Failed {","/// Observer plan identity for a reading artifact.","pub enum ReadingObserverPlan {"," /// Kernel-provided observer plan."," Builtin {"," /// Built-in plan selected by the observation frame/projection pair."," plan: BuiltinObserverPlan,"," /// Authored/generated observer plan."," Authored {"," /// Authored plan identity and law hashes."," plan: Box,","impl ReadingObserverPlan {"," fn to_abi(&self) -> abi::ReadingObserverPlan {"," Self::Builtin { plan } => abi::ReadingObserverPlan::Builtin {"," plan: plan.to_abi(),"," Self::Authored { plan } => abi::ReadingObserverPlan::Authored {"," plan: Box::new(plan.to_abi()),","fn builtin_observer_plan_for("," frame: ObservationFrame,"," projection: ObservationProjectionKind,",") -> Result {"," Ok(ReadingObserverPlan::Builtin {"," plan: ObservationService::builtin_observer_plan(frame, projection)?,"," })","/// Hosted observer instance identity.","pub struct ObserverInstanceRef {"," /// Runtime instance identity."," pub instance_id: ObserverInstanceId,"," /// Plan that owns this instance."," /// Hash of the accumulated observer state."," pub state_hash: Hash,","impl ObserverInstanceRef {"," fn to_abi(&self) -> abi::ObserverInstanceRef {"," abi::ObserverInstanceRef {"," instance_id: observer_instance_id_to_abi(self.instance_id),"," state_hash: self.state_hash.to_vec(),","/// Native observer basis used by the emitted reading.","pub enum ReadingObserverBasis {"," /// Commit-boundary observer basis."," /// Recorded-truth observer basis."," /// Query-view observer basis.","impl ReadingObserverBasis {"," fn to_abi(self) -> abi::ReadingObserverBasis {"," Self::CommitBoundary => abi::ReadingObserverBasis::CommitBoundary,"," Self::RecordedTruth => abi::ReadingObserverBasis::RecordedTruth,"," Self::QueryView => abi::ReadingObserverBasis::QueryView,","/// Read budget requested by an observation caller.","pub enum ObservationReadBudget {"," /// One-shot built-in observer with no caller-specified slice budget."," UnboundedOneShot,"," /// Caller-bounded read budget."," Bounded {"," /// Maximum encoded payload bytes the caller is willing to receive."," max_payload_bytes: u64,"," /// Maximum witness references the caller is willing to accept."," max_witness_refs: u64,","impl ObservationReadBudget {"," fn to_abi(self) -> abi::ObservationReadBudget {"," Self::UnboundedOneShot => abi::ObservationReadBudget::UnboundedOneShot,"," Self::Bounded {"," max_payload_bytes,"," max_witness_refs,"," } => abi::ObservationReadBudget::Bounded {","/// Rights posture requested by an observation caller.","pub enum ObservationRights {"," /// Kernel-public read."," KernelPublic,"," /// Capability-scoped read. Echo carries this now but does not execute it"," /// until a capability checker is installed for the observer family."," CapabilityScoped {"," /// Capability basis named by the caller."," capability: OpticCapabilityId,","impl ObservationRights {"," fn to_abi(self) -> abi::ObservationRights {"," Self::KernelPublic => abi::ObservationRights::KernelPublic,"," Self::CapabilityScoped { capability } => abi::ObservationRights::CapabilityScoped {"," capability: abi::OpticCapabilityId::from_bytes(*capability.as_bytes()),","/// Witness reference carried by a reading artifact.","pub enum ReadingWitnessRef {"," /// The reading is witnessed by a retained provenance commit."," ResolvedCommit {"," /// Provenance coordinate that witnesses the reading."," reference: ProvenanceRef,"," /// The reading is the deterministic empty frontier before any commit exists."," EmptyFrontier {"," /// Worldline observed at its empty frontier."," worldline_id: WorldlineId,"," /// Deterministic empty-frontier state root."," state_root: Hash,"," /// Deterministic empty-frontier commit/frontier hash."," commit_hash: Hash,","impl ReadingWitnessRef {"," fn to_abi(&self) -> abi::ReadingWitnessRef {"," Self::ResolvedCommit { reference } => abi::ReadingWitnessRef::ResolvedCommit {"," reference: provenance_ref_to_abi(*reference),"," Self::EmptyFrontier {"," worldline_id,"," state_root,"," commit_hash,"," } => abi::ReadingWitnessRef::EmptyFrontier {"," worldline_id: abi::WorldlineId::from_bytes(*worldline_id.as_bytes()),"," state_root: state_root.to_vec(),"," commit_hash: commit_hash.to_vec(),","/// Budget posture for a reading artifact.","pub enum ReadingBudgetPosture {"," /// Caller-bounded reading that remained within budget."," /// Requested encoded payload byte limit."," /// Encoded payload bytes emitted."," payload_bytes: u64,"," /// Requested witness-reference limit."," /// Witness references emitted."," witness_refs: u64,","impl ReadingBudgetPosture {"," fn to_abi(self) -> abi::ReadingBudgetPosture {"," Self::UnboundedOneShot => abi::ReadingBudgetPosture::UnboundedOneShot,"," payload_bytes,"," witness_refs,"," } => abi::ReadingBudgetPosture::Bounded {","/// Rights posture for a reading artifact.","pub enum ReadingRightsPosture {"," /// Kernel-public reading with no app-specific authorization layer.","impl ReadingRightsPosture {"," fn to_abi(self) -> abi::ReadingRightsPosture {"," Self::KernelPublic => abi::ReadingRightsPosture::KernelPublic,","/// Residual posture for a reading artifact.","pub enum ReadingResidualPosture {"," /// The observer emitted a clean, complete reading for the requested projection."," Complete,"," /// The observer emitted a bounded reading with explicit residual outside the payload."," Residual,"," /// The observer preserved lawful plurality instead of collapsing to one reading."," PluralityPreserved,"," /// The observer surfaced a lawful obstruction instead of a derived reading."," Obstructed,","impl ReadingResidualPosture {"," fn to_abi(self) -> abi::ReadingResidualPosture {"," Self::Complete => abi::ReadingResidualPosture::Complete,"," Self::Residual => abi::ReadingResidualPosture::Residual,"," Self::PluralityPreserved => abi::ReadingResidualPosture::PluralityPreserved,"," Self::Obstructed => abi::ReadingResidualPosture::Obstructed,","/// Stable identity of the QueryView question answered by a reading.","/// The identity names the question and requested bound, not the returned bytes.","/// Payload bytes still live in [`ObservationPayload::QueryBytes`], and retained","/// payloads still need a separate semantic retention descriptor.","pub struct QueryReadingIdentity {"," /// Stable digest over query id, vars, basis, observer plan, budget, rights,"," /// and installed contract evidence when present."," pub reading_id: Hash,"," /// Generated query operation id."," /// Domain-separated digest of canonical query vars bytes."," pub vars_digest: Hash,"," /// Digest of the resolved causal basis and basis posture."," pub basis_digest: Hash,"," /// Digest of the requested local read aperture: budget and rights posture."," pub aperture_digest: Hash,","impl QueryReadingIdentity {"," fn to_abi(&self) -> abi::QueryReadingIdentity {"," abi::QueryReadingIdentity {"," reading_id: self.reading_id.to_vec(),"," query_id: self.query_id,"," vars_digest: self.vars_digest.to_vec(),"," basis_digest: self.basis_digest.to_vec(),"," aperture_digest: self.aperture_digest.to_vec(),","/// Reading-envelope metadata carried by every observation artifact.","pub struct ReadingEnvelope {"," /// Observer plan identity."," /// Hosted observer instance, when the reading used accumulated observer state."," /// Native observer basis used by the reading."," pub observer_basis: ReadingObserverBasis,"," /// Installed contract package identity, when this reading came from a"," /// generated contract observer."," pub contract: Option,"," /// Stable identity of the QueryView question answered by this reading."," pub query_identity: Option,"," /// Retained evidence refs or missing-retention posture for this reading."," pub retained_evidence: Vec,"," /// Witnesses or shell references that support the reading."," pub witness_refs: Vec,"," /// Read-side parent/strand basis posture."," pub parent_basis_posture: ObservationBasisPosture,"," /// Budget posture for the reading."," pub budget_posture: ReadingBudgetPosture,"," /// Rights or revelation posture for the reading."," pub rights_posture: ReadingRightsPosture,"," /// Residual, obstruction, or plurality posture for the reading.","impl ReadingEnvelope {"," pub(crate) fn to_abi(&self) -> abi::ReadingEnvelope {"," abi::ReadingEnvelope {"," observer_basis: self.observer_basis.to_abi(),"," contract: self.contract.as_ref().map(contract_evidence_to_abi),"," query_identity: self"," .query_identity"," .map(QueryReadingIdentity::to_abi),"," retained_evidence: self"," .retained_evidence"," .iter()"," .map(retained_evidence_posture_to_abi)"," .collect(),"," witness_refs: self"," .witness_refs"," .map(ReadingWitnessRef::to_abi)"," parent_basis_posture: self.parent_basis_posture.to_abi(),"," budget_posture: self.budget_posture.to_abi(),"," rights_posture: self.rights_posture.to_abi(),"," residual_posture: self.residual_posture.to_abi(),","fn contract_evidence_to_abi(evidence: &ContractEvidenceIdentity) -> abi::ContractEvidenceIdentity {"," abi::ContractEvidenceIdentity {"," package_id: evidence.package_id.as_bytes().to_vec(),"," echo_abi_version: evidence.echo_abi_version,"," package_name: evidence.package_name.clone(),"," package_version: evidence.package_version.clone(),"," artifact_hash_hex: evidence.artifact_hash_hex.clone(),"," codec_id: evidence.codec_id.clone(),"," registry_version: evidence.registry_version,"," wesley_generator_version: evidence.wesley_generator_version.clone(),"," helper_api_version: evidence.helper_api_version,"," schema_sha256_hex: evidence.schema_sha256_hex.clone(),"," op_id: evidence.op_id,"," op_kind: match evidence.op_kind {"," ContractOperationKind::Mutation => abi::ContractOperationKind::Mutation,"," ContractOperationKind::Query => abi::ContractOperationKind::Query,"," },","fn retained_evidence_role_to_abi(role: RetainedEvidenceRole) -> abi::RetainedEvidenceRole {"," match role {"," RetainedEvidenceRole::ContractArtifact => abi::RetainedEvidenceRole::ContractArtifact,"," RetainedEvidenceRole::ContractReceipt => abi::RetainedEvidenceRole::ContractReceipt,"," RetainedEvidenceRole::Witness => abi::RetainedEvidenceRole::Witness,"," RetainedEvidenceRole::ReadingPayload => abi::RetainedEvidenceRole::ReadingPayload,"," RetainedEvidenceRole::ReadingEnvelope => abi::RetainedEvidenceRole::ReadingEnvelope,"," RetainedEvidenceRole::ObserverArtifact => abi::RetainedEvidenceRole::ObserverArtifact,","fn retained_evidence_coordinate_to_abi("," coordinate: &RetainedEvidenceCoordinate,",") -> abi::RetainedEvidenceCoordinate {"," abi::RetainedEvidenceCoordinate {"," contract: contract_evidence_to_abi(&coordinate.contract),"," role: retained_evidence_role_to_abi(coordinate.role),"," semantic_digest: coordinate.semantic_digest.to_vec(),"," coordinate_id: coordinate.coordinate_id().to_vec(),","fn retained_evidence_ref_to_abi(reference: &RetainedEvidenceRef) -> abi::RetainedEvidenceRef {"," let coordinate_id = reference.coordinate.coordinate_id();"," abi::RetainedEvidenceRef {"," coordinate: abi::RetainedEvidenceCoordinate {"," contract: contract_evidence_to_abi(&reference.coordinate.contract),"," role: retained_evidence_role_to_abi(reference.coordinate.role),"," semantic_digest: reference.coordinate.semantic_digest.to_vec(),"," coordinate_id: coordinate_id.to_vec(),"," content_hash: reference.content_hash.to_vec(),"," byte_len: reference.byte_len,"," evidence_ref_id: reference"," .evidence_ref_id_from_coordinate_id(coordinate_id)"," .to_vec(),","fn retained_evidence_posture_to_abi("," posture: &RetainedEvidencePosture,",") -> abi::RetainedEvidencePosture {"," match posture {"," RetainedEvidencePosture::Available(reference) => abi::RetainedEvidencePosture::Available {"," reference: Box::new(retained_evidence_ref_to_abi(reference)),"," RetainedEvidencePosture::MissingCoordinate {"," obstruction,"," } => abi::RetainedEvidencePosture::MissingRetention {"," coordinate: Some(Box::new(retained_evidence_coordinate_to_abi(coordinate))),"," reference: None,"," retention_id: retained_obstruction_id(obstruction),"," RetainedEvidencePosture::MissingContent {"," reference,"," coordinate: Some(Box::new(retained_evidence_coordinate_to_abi(&reference.coordinate))),"," reference: Some(Box::new(retained_evidence_ref_to_abi(reference))),","fn retained_obstruction_id(obstruction: &ContractObstruction) -> Vec {"," match &obstruction.subject {"," ContractObstructionSubject::Retention { retention_id } => retention_id.to_vec(),"," _ => Vec::new(),","fn query_vars_digest(vars_bytes: &[u8]) -> Result {"," let digest = echo_wasm_abi::query_vars_digest_v1(vars_bytes);"," digest.as_slice().try_into().map_err(|_| {"," ObservationError::CodecFailure(\"query vars digest length was not 32 bytes\".to_owned())","fn retained_evidence_content_hash(bytes: &[u8]) -> Hash {"," blake3::hash(bytes).into()","fn push_len_prefixed(hasher: &mut Hasher, bytes: &[u8]) {"," hasher.update(&(bytes.len() as u64).to_le_bytes());"," hasher.update(bytes);","/// Minimal frontier/head observation payload.","pub struct HeadObservation {"," /// Observed tick."," pub worldline_tick: WorldlineTick,"," /// Commit-cycle stamp for the observed commit, if any."," /// Canonical state root at that tick."," /// Canonical commit hash at that tick.","impl HeadObservation {"," fn to_abi(&self) -> abi::HeadObservation {"," abi::HeadObservation {"," worldline_tick: abi::WorldlineTick(self.worldline_tick.as_u64()),"," commit_id: self.commit_hash.to_vec(),","/// Minimal historical snapshot observation payload.","pub struct WorldlineSnapshot {"," /// Observed historical tick.","impl WorldlineSnapshot {"," fn to_abi(&self) -> abi::SnapshotObservation {"," abi::SnapshotObservation {","/// Observation payload variants.","pub enum ObservationPayload {"," /// Head metadata."," Head(HeadObservation),"," /// Historical snapshot metadata."," Snapshot(WorldlineSnapshot),"," /// Recorded truth payloads in channel-id order."," TruthChannels(Vec<(ChannelId, Vec)>),"," /// Query result bytes."," QueryBytes(Vec),","impl ObservationPayload {"," pub(crate) fn to_abi(&self) -> abi::ObservationPayload {"," Self::Head(head) => abi::ObservationPayload::Head {"," head: head.to_abi(),"," Self::Snapshot(snapshot) => abi::ObservationPayload::Snapshot {"," snapshot: snapshot.to_abi(),"," Self::TruthChannels(channels) => abi::ObservationPayload::TruthChannels {"," channels: channels"," .iter()"," .map(|(channel, data)| abi::ChannelData {"," channel_id: channel.0.to_vec(),"," data: data.clone(),"," })"," .collect(),"," Self::QueryBytes(data) => abi::ObservationPayload::QueryBytes { data: data.clone() },","/// Full observation artifact with deterministic identity.","pub struct ObservationArtifact {"," /// Resolved coordinate metadata."," pub resolved: ResolvedObservationCoordinate,"," /// Reading-envelope metadata."," pub reading: ReadingEnvelope,"," /// Declared projection."," /// Deterministic artifact hash."," /// Observation payload."," pub payload: ObservationPayload,","impl ObservationArtifact {"," /// Converts this artifact into the shared ABI DTO shape."," pub fn to_abi(&self) -> abi::ObservationArtifact {"," abi::ObservationArtifact {"," resolved: self.resolved.to_abi(),"," reading: self.reading.to_abi(),"," payload: self.payload.to_abi(),","/// Deterministic observation failures.","pub enum ObservationError {"," /// The requested worldline is not registered."," #[error(\"invalid worldline: {0:?}\")]"," InvalidWorldline(WorldlineId),"," /// The requested historical tick is not available."," #[error(\"invalid tick {tick} for worldline {worldline_id:?}\")]"," InvalidTick {"," /// Worldline that was targeted."," /// Requested tick."," tick: WorldlineTick,"," /// The frame/projection pairing is not valid in v1."," #[error(\"unsupported frame/projection pairing: {frame:?} + {projection:?}\")]"," UnsupportedFrameProjection {"," /// Declared frame."," /// Requested projection kind."," projection: ObservationProjectionKind,"," /// Query observation is not installed for the requested generated query id."," #[error(\"query observation is not installed for query id {query_id}\")]"," UnsupportedQuery {"," /// Stable generated query operation id."," /// An installed contract query observer rejected or failed the request."," #[error(\"contract query observer failed for query id {query_id}: {source}\")]"," ContractQueryObserverFailed {"," /// Observer-emitted failure."," source: ContractQueryObserverError,"," /// The requested observer plan is not installed or executable."," #[error(\"unsupported observer plan: {0:?}\")]"," UnsupportedObserverPlan(ReadingObserverPlan),"," /// The requested hosted observer instance is not installed or executable."," #[error(\"unsupported observer instance: {0:?}\")]"," UnsupportedObserverInstance(ObserverInstanceRef),"," /// The requested observation rights posture is not executable."," #[error(\"unsupported observation rights posture: {0:?}\")]"," UnsupportedRights(ObservationRights),"," /// The requested observation exceeded its declared budget."," #[error("," \"observation budget exceeded: payload {payload_bytes}/{max_payload_bytes} bytes, witness refs {witness_refs}/{max_witness_refs}\""," )]"," BudgetExceeded {"," /// Declared payload byte limit."," /// Encoded payload bytes produced by the observer."," /// Declared witness-reference limit."," /// Witness references needed by the reading."," /// The requested observation cannot be produced at this coordinate."," #[error(\"observation unavailable for worldline {worldline_id:?} at {at:?}\")]"," ObservationUnavailable {"," /// Requested coordinate."," at: ObservationAt,"," /// Canonical artifact encoding failed."," #[error(\"observation artifact encoding failed: {0}\")]"," CodecFailure(String),","/// Immutable observation service.","pub struct ObservationService;","impl ObservationService {"," /// Observe a worldline at an explicit coordinate and frame."," /// The runtime, provenance store, and engine are borrowed immutably. This"," /// method never mutates live frontier state or recorded history."," /// # Errors"," /// Returns [`ObservationError`] for invalid worldlines/ticks, unsupported"," /// frame/projection pairings, unsupported query requests, or unavailable"," /// recorded truth."," pub fn observe("," runtime: &WorldlineRuntime,"," provenance: &ProvenanceService,"," engine: &Engine,"," request: ObservationRequest,"," ) -> Result {"," let worldline_id = request.coordinate.worldline_id;"," if runtime.worldlines().get(&worldline_id).is_none() {"," return Err(ObservationError::InvalidWorldline(worldline_id));"," Self::validate_frame_projection(request.frame, &request.projection)?;"," Self::validate_observer_contract(engine, &request)?;"," let resolved = Self::resolve_coordinate(runtime, provenance, engine, &request)?;"," let parent_basis_posture ="," Self::basis_posture(runtime, provenance, worldline_id, request.coordinate.at)?;"," let (payload, observer_plan, contract, residual_posture) ="," match (&request.frame, &request.projection) {"," (ObservationFrame::CommitBoundary, ObservationProjection::Head) => ("," ObservationPayload::Head(HeadObservation {"," worldline_tick: resolved.resolved_worldline_tick,"," commit_global_tick: resolved.commit_global_tick,"," state_root: resolved.state_root,"," commit_hash: resolved.commit_hash,"," request.observer_plan.clone(),"," None,"," ReadingResidualPosture::Complete,"," ),"," (ObservationFrame::CommitBoundary, ObservationProjection::Snapshot) => ("," ObservationPayload::Snapshot(WorldlineSnapshot {"," ("," ObservationFrame::RecordedTruth,"," ObservationProjection::TruthChannels { channels },"," ) => {"," let entry = provenance"," .entry(worldline_id, resolved.resolved_worldline_tick)"," .map_err(|_| ObservationError::ObservationUnavailable {"," worldline_id,"," at: request.coordinate.at,"," })?;"," let outputs = match channels {"," Some(filter) => entry"," .outputs"," .into_iter()"," .filter(|(channel, _)| filter.contains(channel))"," .collect(),"," None => entry.outputs,"," };"," ("," ObservationPayload::TruthChannels(outputs),"," request.observer_plan.clone(),"," None,"," ReadingResidualPosture::Complete,"," )"," ObservationFrame::QueryView,"," ObservationProjection::Query {"," query_id,"," vars_bytes,"," },"," let observer = engine.contract_query_observer(*query_id).ok_or("," ObservationError::UnsupportedQuery {"," query_id: *query_id,"," },"," )?;"," let contract = engine.contract_query_observer_package_evidence(*query_id);"," let result = (observer.observe)(ContractQueryObserverContext {"," query_id: *query_id,"," request: &request,"," resolved: &resolved,"," runtime,"," provenance,"," .map_err(|source| {"," ObservationError::ContractQueryObserverFailed {"," source,"," }"," })?;"," ObservationPayload::QueryBytes(result.bytes),"," observer.observer_plan(),"," contract,"," result.residual_posture,"," _ => unreachable!(\"validity matrix must reject unsupported combinations\"),"," };"," let reading = Self::reading_envelope("," &resolved,"," parent_basis_posture,"," &request,"," contract,"," residual_posture,"," &payload,"," )?;"," let artifact_hash = Self::compute_artifact_hash("," &reading,"," request.frame,"," &request.projection,"," Ok(ObservationArtifact {"," resolved,"," reading,"," frame: request.frame,"," projection: request.projection,"," artifact_hash,"," payload,"," /// Observe a worldline through a bounded optic request."," /// This is the first narrow bridge from optics into the existing"," /// observation path. It supports commit-boundary head and snapshot"," /// apertures and returns typed obstructions for unsupported or unbounded"," /// reads instead of widening the read behind the caller's back."," pub fn observe_optic("," request: ObserveOpticRequest,"," ) -> ObserveOpticResult {"," match Self::observe_optic_inner(runtime, provenance, engine, &request) {"," Ok(reading) => ObserveOpticResult::Reading(Box::new(reading)),"," Err(obstruction) => ObserveOpticResult::Obstructed(obstruction),"," fn observe_optic_inner("," request: &ObserveOpticRequest,"," ) -> Result> {"," Self::validate_optic_budget(request)?;"," if let Some(obstruction) = Self::attachment_boundary_obstruction(request) {"," return Err(obstruction);"," let observation_request = Self::optic_observation_request(request)?;"," let artifact = Self::observe(runtime, provenance, engine, observation_request)"," .map_err(|err| Self::optic_observation_error(request, err))?;"," let witness_basis = Self::optic_witness_basis(provenance, request, &artifact)?;"," let read_identity = ReadIdentity::new("," request.optic_id,"," &request.focus,"," request.coordinate.clone(),"," &request.aperture,"," request.projection_version,"," request.reducer_version,"," witness_basis,"," artifact.reading.rights_posture,"," artifact.reading.budget_posture,"," artifact.reading.residual_posture,"," );"," Ok(OpticReading {"," envelope: artifact.reading,"," read_identity,"," payload: artifact.payload,"," retained: None,"," fn validate_optic_budget(request: &ObserveOpticRequest) -> Result<(), Box> {"," let Some(max_bytes) = request.aperture.budget.max_bytes else {"," return Err(Self::optic_obstruction("," request,"," OpticObstructionKind::BudgetExceeded,"," Some(WitnessBasis::Missing {"," reason: MissingWitnessBasisReason::BudgetLimited,"," }),"," \"optic reads must declare a byte budget\","," ));"," };"," if max_bytes == 0 {"," \"optic byte budget is zero\","," match &request.aperture.shape {"," OpticApertureShape::Head | OpticApertureShape::SnapshotMetadata"," if max_bytes < OPTIC_METADATA_APERTURE_MIN_BYTES =>"," {"," Err(Self::optic_obstruction("," request,"," OpticObstructionKind::BudgetExceeded,"," Some(WitnessBasis::Missing {"," reason: MissingWitnessBasisReason::BudgetLimited,"," \"optic metadata aperture exceeds the declared byte budget\","," ))"," OpticApertureShape::ByteRange { len, .. } if *len > max_bytes => {"," \"optic byte-range aperture exceeds the declared byte budget\","," _ => Ok(()),"," fn attachment_boundary_obstruction("," ) -> Option> {"," if !matches!(request.focus, OpticFocus::AttachmentBoundary { .. }) {"," return None;"," match (&request.aperture.shape, request.aperture.attachment_descent) {"," (OpticApertureShape::AttachmentBoundary, AttachmentDescentPolicy::BoundaryOnly) => {"," Some(Self::optic_obstruction("," OpticObstructionKind::AttachmentDescentRequired,"," reason: MissingWitnessBasisReason::UnsupportedBasis,"," \"optic read reached an attachment boundary; recursive descent requires an explicit aperture, capability, budget, and law\","," (OpticApertureShape::AttachmentBoundary, AttachmentDescentPolicy::Explicit)"," if request.aperture.budget.max_attachments.unwrap_or(0) == 0 =>"," \"explicit attachment descent requires a positive attachment budget\","," (OpticApertureShape::AttachmentBoundary, AttachmentDescentPolicy::Explicit) => {"," OpticObstructionKind::AttachmentDescentDenied,"," reason: MissingWitnessBasisReason::RightsLimited,"," \"explicit attachment descent has no installed capability checker or projection law\","," _ => Some(Self::optic_obstruction("," OpticObstructionKind::UnsupportedAperture,"," reason: MissingWitnessBasisReason::UnsupportedBasis,"," \"attachment boundary focus requires an attachment-boundary aperture\","," )),"," fn optic_observation_request("," ) -> Result> {"," let ("," OpticFocus::Worldline {"," worldline_id: focus_worldline,"," EchoCoordinate::Worldline { worldline_id, at },"," ) = (&request.focus, &request.coordinate)"," else {"," OpticObstructionKind::UnsupportedProjectionLaw,"," None,"," \"observe_optic currently supports worldline coordinates only\","," if focus_worldline != worldline_id {"," OpticObstructionKind::ConflictingFrontier,"," \"optic focus and coordinate name different worldlines\","," let at = Self::optic_coordinate_at(request, *worldline_id, *at)?;"," let (frame, projection) = match &request.aperture.shape {"," OpticApertureShape::Head => ("," ObservationFrame::CommitBoundary,"," ObservationProjection::Head,"," ),"," OpticApertureShape::SnapshotMetadata => ("," ObservationProjection::Snapshot,"," OpticApertureShape::QueryBytes { .. } => {"," return Err(Self::optic_obstruction("," OpticObstructionKind::UnsupportedProjectionLaw,"," \"contract QueryView optics are not installed yet\","," ));"," OpticObstructionKind::UnsupportedAperture,"," \"this optic aperture is not supported by the observation bridge\","," let mut observation_request = match ObservationRequest::builtin_one_shot("," ObservationCoordinate {"," worldline_id: *worldline_id,"," at,"," ) {"," Ok(request) => request,"," Err(err) => return Err(Self::optic_observation_error(request, err)),"," if let Some(max_payload_bytes) = request.aperture.budget.max_bytes {"," observation_request.budget = ObservationReadBudget::Bounded {"," max_witness_refs: request.aperture.budget.max_ticks.unwrap_or(u64::MAX),"," Ok(observation_request)"," fn optic_coordinate_at("," at: CoordinateAt,"," ) -> Result> {"," match at {"," CoordinateAt::Frontier => Ok(ObservationAt::Frontier),"," CoordinateAt::Tick(tick) => Ok(ObservationAt::Tick(tick)),"," CoordinateAt::Provenance(reference) if reference.worldline_id == worldline_id => {"," Ok(ObservationAt::Tick(reference.worldline_tick))"," CoordinateAt::Provenance(_) => Err(Self::optic_obstruction("," \"provenance coordinate belongs to a different worldline\","," fn optic_observation_error("," error: ObservationError,"," ) -> Box {"," match error {"," ObservationError::InvalidWorldline(_)"," | ObservationError::InvalidTick { .. }"," | ObservationError::ObservationUnavailable { .. } => Self::optic_obstruction("," OpticObstructionKind::MissingWitness,"," reason: MissingWitnessBasisReason::EvidenceUnavailable,"," \"required observation witness evidence is unavailable\","," ObservationError::UnsupportedFrameProjection { .. } => Self::optic_obstruction("," \"unsupported optic frame/projection pairing\","," ObservationError::UnsupportedQuery { .. }"," | ObservationError::UnsupportedObserverPlan(_)"," | ObservationError::UnsupportedObserverInstance(_) => Self::optic_obstruction("," \"contract QueryView optics are not installed yet\","," ObservationError::ContractQueryObserverFailed { .. } => Self::optic_obstruction("," \"contract QueryView observer failed to emit a reading\","," ObservationError::UnsupportedRights(_) => Self::optic_obstruction("," OpticObstructionKind::CapabilityDenied,"," \"observation rights posture is not authorized\","," ObservationError::BudgetExceeded { .. } => Self::optic_obstruction("," \"optic observation exceeded the declared read budget\","," ObservationError::CodecFailure(_) => Self::optic_obstruction("," \"observation artifact could not be encoded as witness evidence\","," fn optic_obstruction("," kind: OpticObstructionKind,"," witness_basis: Option,"," message: &str,"," Box::new(OpticObstruction {"," kind,"," optic_id: Some(request.optic_id),"," focus: Some(request.focus.clone()),"," coordinate: Some(request.coordinate.clone()),"," message: message.to_owned(),"," fn optic_witness_basis("," artifact: &ObservationArtifact,"," ) -> Result> {"," if let Some(witness_basis) ="," Self::checkpoint_plus_tail_witness_basis(provenance, request, artifact)?"," {"," return Ok(witness_basis);"," Ok(Self::artifact_witness_basis(artifact))"," fn artifact_witness_basis(artifact: &ObservationArtifact) -> WitnessBasis {"," match artifact.reading.witness_refs.as_slice() {"," [ReadingWitnessRef::ResolvedCommit { reference }] => WitnessBasis::ResolvedCommit {"," reference: *reference,"," state_root: artifact.resolved.state_root,"," commit_hash: artifact.resolved.commit_hash,"," refs => WitnessBasis::WitnessSet {"," refs: refs.to_vec(),"," witness_set_hash: optic_witness_refs_hash(refs),"," fn checkpoint_plus_tail_witness_basis("," ) -> Result, Box> {"," let EchoCoordinate::Worldline { worldline_id, .. } = request.coordinate else {"," return Ok(None);"," let [ReadingWitnessRef::ResolvedCommit { .. }] = artifact.reading.witness_refs.as_slice()"," let materialized_tick = artifact.resolved.resolved_worldline_tick;"," if materialized_tick == WorldlineTick::ZERO {"," let Some(checkpoint) = provenance.checkpoint_before(worldline_id, materialized_tick) else {"," if checkpoint.worldline_tick == WorldlineTick::ZERO {"," if checkpoint.worldline_tick >= materialized_tick {"," let tail_start = checkpoint.worldline_tick.as_u64();"," let tail_end = materialized_tick"," .checked_sub(1)"," .map(WorldlineTick::as_u64)"," .ok_or_else(|| {"," Self::optic_obstruction("," OpticObstructionKind::LiveTailRequiresReduction,"," reason: MissingWitnessBasisReason::EvidenceUnavailable,"," \"live-tail witness span has no commit boundary\","," })?;"," if tail_start > tail_end {"," let tail_len = tail_end"," .checked_sub(tail_start)"," .and_then(|len| len.checked_add(1))"," \"live-tail witness span overflowed\","," if tail_len > request.aperture.budget.max_ticks.unwrap_or(u64::MAX) {"," OpticObstructionKind::LiveTailRequiresReduction,"," \"live-tail witness set exceeds the declared tick budget\","," let checkpoint_commit_tick = checkpoint.worldline_tick.checked_sub(1).ok_or_else(|| {"," Self::optic_obstruction("," \"checkpoint witness coordinate is unavailable\","," })?;"," let checkpoint_entry = provenance"," .entry(worldline_id, checkpoint_commit_tick)"," .map_err(|_| {"," OpticObstructionKind::MissingWitness,"," \"checkpoint provenance witness entry is unavailable\","," let mut tail_witness_refs = Vec::new();"," for raw_tick in tail_start..=tail_end {"," let tick = WorldlineTick::from_raw(raw_tick);"," let entry = provenance.entry(worldline_id, tick).map_err(|_| {"," \"live-tail provenance witness entry is unavailable\","," tail_witness_refs.push(ProvenanceRef {"," worldline_tick: tick,"," commit_hash: entry.expected.commit_hash,"," });"," Ok(Some(WitnessBasis::CheckpointPlusTail {"," checkpoint_ref: ProvenanceRef {"," worldline_tick: checkpoint_commit_tick,"," commit_hash: checkpoint_entry.expected.commit_hash,"," checkpoint_hash: checkpoint.state_hash,"," tail_digest: optic_tail_witness_refs_hash(&tail_witness_refs),"," tail_witness_refs,"," }))"," fn validate_frame_projection("," projection: &ObservationProjection,"," ) -> Result<(), ObservationError> {"," let projection_kind = projection.kind();"," let valid = matches!("," (frame, projection_kind),"," ObservationProjectionKind::Head | ObservationProjectionKind::Snapshot"," ) | ("," ObservationFrame::RecordedTruth,"," ObservationProjectionKind::TruthChannels"," ObservationFrame::QueryView,"," ObservationProjectionKind::Query"," if valid {"," Ok(())"," } else {"," Err(ObservationError::UnsupportedFrameProjection {"," frame,"," projection: projection_kind,"," })"," fn validate_observer_contract("," request: &ObservationRequest,"," if let (ObservationFrame::QueryView, ObservationProjection::Query { query_id, .. }) ="," (request.frame, &request.projection)"," return Self::validate_query_observer_contract(engine, request, *query_id);"," let expected = Self::observer_plan(request.frame, request.projection.kind())?;"," match &request.observer_plan {"," ReadingObserverPlan::Builtin { .. } if request.observer_plan != expected => {"," return Err(ObservationError::UnsupportedObserverPlan("," ReadingObserverPlan::Builtin { .. } => {}"," ReadingObserverPlan::Authored { .. } => {"," if let Some(instance) = &request.observer_instance {"," return Err(ObservationError::UnsupportedObserverInstance("," instance.clone(),"," if let ObservationRights::CapabilityScoped { .. } = request.rights {"," return Err(ObservationError::UnsupportedRights(request.rights));"," Ok(())"," fn validate_query_observer_contract("," let observer = engine"," .contract_query_observer(query_id)"," .ok_or(ObservationError::UnsupportedQuery { query_id })?;"," let installed_plan = observer.observer_plan();"," ReadingObserverPlan::Builtin {"," plan: BuiltinObserverPlan::QueryBytes,"," } => {}"," ReadingObserverPlan::Authored { .. } if request.observer_plan == installed_plan => {}"," ReadingObserverPlan::Builtin { .. } | ReadingObserverPlan::Authored { .. } => {"," fn resolve_coordinate("," ) -> Result {"," let frontier = runtime"," .worldlines()"," .get(&worldline_id)"," .ok_or(ObservationError::InvalidWorldline(worldline_id))?;"," match (request.frame, request.coordinate.at) {"," ObservationFrame::CommitBoundary | ObservationFrame::QueryView,"," ObservationAt::Frontier,"," ) => {"," let snapshot = frontier"," .state()"," .last_snapshot()"," .cloned()"," .unwrap_or_else(|| engine.snapshot_for_state(frontier.state()));"," let commit_global_tick = frontier"," .frontier_tick()"," .checked_sub(1)"," .map(|committed_tick| {"," provenance"," .entry(worldline_id, committed_tick)"," .map(|entry| entry.commit_global_tick)"," .map_err(|_| ObservationError::ObservationUnavailable {"," worldline_id,"," at: request.coordinate.at,"," })"," .transpose()?;"," Ok(Self::resolved_commit_boundary("," worldline_id,"," request.coordinate.at,"," frontier.frontier_tick(),"," commit_global_tick,"," runtime.global_tick(),"," &snapshot,"," ObservationAt::Tick(tick),"," let entry = provenance"," .entry(worldline_id, tick)"," .map_err(|_| ObservationError::InvalidTick { worldline_id, tick })?;"," Ok(ResolvedObservationCoordinate {"," observation_version: OBSERVATION_VERSION,"," requested_at: request.coordinate.at,"," resolved_worldline_tick: tick,"," commit_global_tick: Some(entry.commit_global_tick),"," observed_after_global_tick: current_cycle_tick(runtime),"," state_root: entry.expected.state_root,"," commit_hash: entry.expected.commit_hash,"," })"," (ObservationFrame::RecordedTruth, ObservationAt::Frontier) => {"," let Some(resolved_worldline_tick) = frontier.frontier_tick().checked_sub(1) else {"," return Err(ObservationError::ObservationUnavailable {"," worldline_id,"," at: request.coordinate.at,"," });"," };"," .entry(worldline_id, resolved_worldline_tick)"," .map_err(|_| ObservationError::ObservationUnavailable {"," resolved_worldline_tick,"," (ObservationFrame::RecordedTruth, ObservationAt::Tick(tick)) => {"," fn resolved_commit_boundary("," requested_at: ObservationAt,"," resolved_worldline_tick: WorldlineTick,"," commit_global_tick: Option,"," latest_cycle_global_tick: GlobalTick,"," snapshot: &Snapshot,"," ) -> ResolvedObservationCoordinate {"," ResolvedObservationCoordinate {"," observation_version: OBSERVATION_VERSION,"," worldline_id,"," requested_at,"," resolved_worldline_tick,"," commit_global_tick,"," observed_after_global_tick: option_cycle_tick(latest_cycle_global_tick),"," state_root: snapshot.state_root,"," commit_hash: snapshot.hash,"," fn compute_artifact_hash("," resolved: &ResolvedObservationCoordinate,"," reading: &ReadingEnvelope,"," payload: &ObservationPayload,"," ) -> Result {"," let input = abi::ObservationHashInput {"," resolved: resolved.to_abi(),"," reading: reading.to_abi(),"," frame: frame.to_abi(),"," projection: projection.to_abi(),"," payload: payload.to_abi(),"," let bytes = echo_wasm_abi::encode_cbor(&input)"," .map_err(|err| ObservationError::CodecFailure(err.to_string()))?;"," let mut hasher = Hasher::new();"," hasher.update(OBSERVATION_ARTIFACT_DOMAIN);"," hasher.update(&bytes);"," Ok(hasher.finalize().into())"," fn reading_envelope("," parent_basis_posture: ObservationBasisPosture,"," observer_plan: ReadingObserverPlan,"," contract: Option,"," residual_posture: ReadingResidualPosture,"," ) -> Result {"," let witness_refs = Self::witness_refs(resolved, request.frame);"," let budget_posture = Self::budget_posture(request.budget, payload, witness_refs.len())?;"," let query_identity = Self::query_reading_identity("," parent_basis_posture.clone(),"," request,"," &observer_plan,"," contract.as_ref(),"," let retained_evidence ="," Self::retained_evidence_postures(contract.as_ref(), query_identity.as_ref(), payload);"," Ok(ReadingEnvelope {"," observer_instance: request.observer_instance.clone(),"," observer_basis: Self::observer_basis(request.frame),"," query_identity,"," retained_evidence,"," witness_refs,"," budget_posture,"," rights_posture: Self::rights_posture(request.rights),"," fn query_reading_identity("," observer_plan: &ReadingObserverPlan,"," contract: Option<&ContractEvidenceIdentity>,"," ) -> Result, ObservationError> {"," let ObservationProjection::Query {"," vars_bytes,"," } = &request.projection"," let vars_digest = query_vars_digest(vars_bytes)?;"," let basis_digest = Self::query_basis_digest(resolved, &parent_basis_posture)?;"," let aperture_digest = Self::query_aperture_digest(request.budget, request.rights)?;"," let observer_plan_bytes = echo_wasm_abi::encode_cbor(&observer_plan.to_abi())"," let contract_bytes = contract"," .map(contract_evidence_to_abi)"," .map(|evidence| echo_wasm_abi::encode_cbor(&evidence))"," .transpose()"," hasher.update(QUERY_READING_IDENTITY_DOMAIN);"," hasher.update(&query_id.to_le_bytes());"," hasher.update(&vars_digest);"," hasher.update(&basis_digest);"," hasher.update(&aperture_digest);"," push_len_prefixed(&mut hasher, &observer_plan_bytes);"," match contract_bytes {"," Some(bytes) => {"," hasher.update(&[1]);"," push_len_prefixed(&mut hasher, &bytes);"," None => {"," hasher.update(&[0]);"," Ok(Some(QueryReadingIdentity {"," reading_id: hasher.finalize().into(),"," query_id: *query_id,"," vars_digest,"," basis_digest,"," aperture_digest,"," fn retained_evidence_postures("," query_identity: Option<&QueryReadingIdentity>,"," ) -> Vec {"," let (Some(contract), Some(query_identity)) = (contract, query_identity) else {"," return Vec::new();"," let mut postures = Vec::new();"," let envelope_coordinate = RetainedEvidenceCoordinate::new("," contract.clone(),"," RetainedEvidenceRole::ReadingEnvelope,"," query_identity.reading_id,"," postures.push(RetainedEvidencePosture::missing_coordinate("," &envelope_coordinate,"," ));"," if let ObservationPayload::QueryBytes(bytes) = payload {"," let payload_coordinate = RetainedEvidenceCoordinate::new("," contract.clone(),"," RetainedEvidenceRole::ReadingPayload,"," query_identity.reading_id,"," );"," postures.push(RetainedEvidencePosture::missing_content("," &RetainedEvidenceRef::new("," payload_coordinate,"," retained_evidence_content_hash(bytes),"," bytes.len() as u64,"," postures"," fn query_basis_digest("," parent_basis_posture: &ObservationBasisPosture,"," let mut resolved_basis = resolved.to_abi();"," resolved_basis.observed_after_global_tick = None;"," let resolved_bytes = echo_wasm_abi::encode_cbor(&resolved_basis)"," let posture_bytes = echo_wasm_abi::encode_cbor(&parent_basis_posture.to_abi())"," hasher.update(QUERY_READING_BASIS_DOMAIN);"," push_len_prefixed(&mut hasher, &resolved_bytes);"," push_len_prefixed(&mut hasher, &posture_bytes);"," fn query_aperture_digest("," budget: ObservationReadBudget,"," rights: ObservationRights,"," let budget_bytes = echo_wasm_abi::encode_cbor(&budget.to_abi())"," let rights_bytes = echo_wasm_abi::encode_cbor(&rights.to_abi())"," hasher.update(QUERY_READING_APERTURE_DOMAIN);"," push_len_prefixed(&mut hasher, &budget_bytes);"," push_len_prefixed(&mut hasher, &rights_bytes);"," fn budget_posture("," witness_ref_count: usize,"," ) -> Result {"," match budget {"," ObservationReadBudget::UnboundedOneShot => Ok(ReadingBudgetPosture::UnboundedOneShot),"," ObservationReadBudget::Bounded {"," } => {"," let payload_bytes = Self::payload_wire_len(payload)?;"," let witness_refs = witness_ref_count as u64;"," if payload_bytes > max_payload_bytes || witness_refs > max_witness_refs {"," return Err(ObservationError::BudgetExceeded {"," max_payload_bytes,"," payload_bytes,"," max_witness_refs,"," witness_refs,"," Ok(ReadingBudgetPosture::Bounded {"," max_payload_bytes,"," payload_bytes,"," max_witness_refs,"," witness_refs,"," fn payload_wire_len(payload: &ObservationPayload) -> Result {"," let bytes = echo_wasm_abi::encode_cbor(&payload.to_abi())"," Ok(bytes.len() as u64)"," fn rights_posture(rights: ObservationRights) -> ReadingRightsPosture {"," match rights {"," ObservationRights::KernelPublic => ReadingRightsPosture::KernelPublic,"," ObservationRights::CapabilityScoped { .. } => {"," \"capability-scoped observation rights must be rejected before reading\""," ReadingRightsPosture::KernelPublic"," fn observer_plan("," ) -> Result {"," builtin_observer_plan_for(frame, projection)"," fn builtin_observer_plan("," ) -> Result {"," match (frame, projection) {"," (ObservationFrame::CommitBoundary, ObservationProjectionKind::Head) => {"," Ok(BuiltinObserverPlan::CommitBoundaryHead)"," (ObservationFrame::CommitBoundary, ObservationProjectionKind::Snapshot) => {"," Ok(BuiltinObserverPlan::CommitBoundarySnapshot)"," (ObservationFrame::RecordedTruth, ObservationProjectionKind::TruthChannels) => {"," Ok(BuiltinObserverPlan::RecordedTruthChannels)"," (ObservationFrame::QueryView, ObservationProjectionKind::Query) => {"," Ok(BuiltinObserverPlan::QueryBytes)"," _ => Err(ObservationError::UnsupportedFrameProjection { frame, projection }),"," fn observer_basis(frame: ObservationFrame) -> ReadingObserverBasis {"," match frame {"," ObservationFrame::CommitBoundary => ReadingObserverBasis::CommitBoundary,"," ObservationFrame::RecordedTruth => ReadingObserverBasis::RecordedTruth,"," ObservationFrame::QueryView => ReadingObserverBasis::QueryView,"," fn witness_refs("," ) -> Vec {"," let Some(commit_tick) = Self::witness_commit_tick(resolved, frame) else {"," return vec![ReadingWitnessRef::EmptyFrontier {"," worldline_id: resolved.worldline_id,"," state_root: resolved.state_root,"," commit_hash: resolved.commit_hash,"," }];"," vec![ReadingWitnessRef::ResolvedCommit {"," reference: ProvenanceRef {"," worldline_tick: commit_tick,"," }]"," fn witness_commit_tick("," ) -> Option {"," resolved.commit_global_tick?;"," match (frame, resolved.requested_at) {"," ) => resolved.resolved_worldline_tick.checked_sub(1),"," _ => Some(resolved.resolved_worldline_tick),"," fn basis_posture("," ) -> Result {"," let Some(strand) = runtime.strands().find_by_child_worldline(&worldline_id) else {"," return Ok(ObservationBasisPosture::Worldline);"," if !matches!(at, ObservationAt::Frontier) {"," return Ok(ObservationBasisPosture::StrandHistorical {"," strand_id: strand.strand_id,"," let report = strand"," .live_basis_report(provenance)"," .map_err(|_| ObservationError::ObservationUnavailable { worldline_id, at })?;"," Ok(match report.parent_revalidation {"," StrandRevalidationState::AtAnchor => ObservationBasisPosture::StrandAtAnchor {"," StrandRevalidationState::ParentAdvancedDisjoint {"," } => ObservationBasisPosture::StrandParentAdvancedDisjoint {"," StrandRevalidationState::RevalidationRequired {"," } => ObservationBasisPosture::StrandRevalidationRequired {","fn provenance_ref_to_abi(reference: crate::provenance_store::ProvenanceRef) -> abi::ProvenanceRef {"," abi::ProvenanceRef {"," worldline_id: abi::WorldlineId::from_bytes(*reference.worldline_id.as_bytes()),"," worldline_tick: abi::WorldlineTick(reference.worldline_tick.as_u64()),"," commit_hash: reference.commit_hash.to_vec(),","fn observer_plan_id_to_abi(plan_id: ObserverPlanId) -> abi::ObserverPlanId {"," abi::ObserverPlanId::from_bytes(*plan_id.as_bytes())","fn observer_instance_id_to_abi(instance_id: ObserverInstanceId) -> abi::ObserverInstanceId {"," abi::ObserverInstanceId::from_bytes(*instance_id.as_bytes())","fn overlap_slots_digest(slots: &[SlotId]) -> Hash {"," let mut hasher = Hasher::new();"," hasher.update(b\"echo:observation-overlap-slots:v1\\0\");"," hasher.update(&(slots.len() as u64).to_le_bytes());"," for slot in slots {"," hash_slot(&mut hasher, slot);"," hasher.finalize().into()","fn optic_witness_refs_hash(refs: &[ReadingWitnessRef]) -> Hash {"," hasher.update(OPTIC_OBSERVATION_WITNESS_SET_DOMAIN);"," hasher.update(&(refs.len() as u64).to_le_bytes());"," for reference in refs {"," match reference {"," ReadingWitnessRef::ResolvedCommit { reference } => {"," hash_provenance_ref(&mut hasher, *reference);"," ReadingWitnessRef::EmptyFrontier {"," hasher.update(&[2]);"," hasher.update(worldline_id.as_bytes());"," hasher.update(state_root);"," hasher.update(commit_hash);","fn optic_tail_witness_refs_hash(refs: &[ProvenanceRef]) -> Hash {"," hasher.update(OPTIC_LIVE_TAIL_WITNESS_SET_DOMAIN);"," hash_provenance_ref(&mut hasher, *reference);","fn hash_provenance_ref(hasher: &mut Hasher, reference: ProvenanceRef) {"," hasher.update(reference.worldline_id.as_bytes());"," hasher.update(&reference.worldline_tick.as_u64().to_le_bytes());"," hasher.update(&reference.commit_hash);","fn hash_slot(hasher: &mut Hasher, slot: &SlotId) {"," match slot {"," SlotId::Node(node) => {"," hasher.update(&[1]);"," hasher.update(node.warp_id.as_bytes());"," hasher.update(node.local_id.as_bytes());"," SlotId::Edge(edge) => {"," hasher.update(&[2]);"," hasher.update(edge.warp_id.as_bytes());"," hasher.update(edge.local_id.as_bytes());"," SlotId::Attachment(attachment) => {"," hasher.update(&[3]);"," match attachment.owner {"," AttachmentOwner::Node(node) => {"," hasher.update(&[1]);"," hasher.update(node.warp_id.as_bytes());"," hasher.update(node.local_id.as_bytes());"," AttachmentOwner::Edge(edge) => {"," hasher.update(&[2]);"," hasher.update(edge.warp_id.as_bytes());"," hasher.update(edge.local_id.as_bytes());"," match attachment.plane {"," AttachmentPlane::Alpha => hasher.update(&[1]),"," AttachmentPlane::Beta => hasher.update(&[2]),"," SlotId::Port((warp_id, port_key)) => {"," hasher.update(&[4]);"," hasher.update(warp_id.as_bytes());"," hasher.update(&port_key.to_le_bytes());","fn option_cycle_tick(tick: GlobalTick) -> Option {"," (tick != GlobalTick::ZERO).then_some(tick)","fn current_cycle_tick(runtime: &WorldlineRuntime) -> Option {"," option_cycle_tick(runtime.global_tick())","#[cfg(test)]","#[allow(clippy::unwrap_used)]","mod tests {"," use super::*;"," use crate::coordinator::WorldlineRuntime;"," use crate::head::{make_head_id, WriterHead, WriterHeadKey};"," use crate::head_inbox::{make_intent_kind, InboxPolicy, IngressEnvelope, IngressTarget};"," use crate::ident::{make_edge_id, make_node_id, make_type_id, WarpId};"," use crate::materialization::make_channel_id;"," use crate::optic::{"," AttachmentDescentPolicy, CoordinateAt, EchoCoordinate, MissingWitnessBasisReason,"," ObserveOpticRequest, ObserveOpticResult, OpticAperture, OpticApertureShape,"," OpticCapabilityId, OpticFocus, OpticId, OpticObstructionKind, OpticReadBudget,"," ProjectionVersion, WitnessBasis,"," use crate::provenance_store::replay_artifacts_for_entry;"," use crate::receipt::TickReceipt;"," use crate::record::{EdgeRecord, NodeRecord};"," use crate::snapshot::compute_commit_hash_v2;"," use crate::strand::{make_strand_id, ForkBasisRef, Strand};"," use crate::tick_patch::{SlotId, TickCommitStatus, WarpOp, WarpTickPatchV1};"," use crate::worldline::{HashTriplet, WorldlineTickHeaderV1, WorldlineTickPatchV1};"," use crate::{"," EngineBuilder, GraphStore, PlaybackMode, ProvenanceEntry, SchedulerCoordinator,"," WorldlineState,"," fn observation_artifact_hash_with_domain("," domain: &[u8],"," ) -> Hash {"," resolved: artifact.resolved.to_abi(),"," reading: artifact.reading.to_abi(),"," frame: artifact.frame.to_abi(),"," projection: artifact.projection.to_abi(),"," payload: artifact.payload.to_abi(),"," let bytes = echo_wasm_abi::encode_cbor(&input).unwrap();"," hasher.update(domain);"," hasher.finalize().into()"," fn wl(n: u8) -> WorldlineId {"," WorldlineId::from_bytes([n; 32])"," fn wt(raw: u64) -> WorldlineTick {"," WorldlineTick::from_raw(raw)"," fn builtin_one_shot("," ) -> ObservationRequest {"," ObservationRequest::builtin_one_shot(coordinate, frame, projection).unwrap()"," fn gt(raw: u64) -> GlobalTick {"," GlobalTick::from_raw(raw)"," fn optic_request("," shape: OpticApertureShape,"," max_bytes: Option,"," ) -> ObserveOpticRequest {"," ObserveOpticRequest {"," optic_id: OpticId::from_bytes([70; 32]),"," focus: OpticFocus::Worldline { worldline_id },"," coordinate: EchoCoordinate::Worldline {"," at: CoordinateAt::Frontier,"," aperture: OpticAperture {"," shape,"," budget: OpticReadBudget {"," max_bytes,"," max_nodes: Some(8),"," max_ticks: Some(1),"," max_attachments: Some(0),"," attachment_descent: AttachmentDescentPolicy::BoundaryOnly,"," projection_version: ProjectionVersion::from_raw(1),"," reducer_version: None,"," capability: OpticCapabilityId::from_bytes([71; 32]),"," fn authored_observer_plan() -> ReadingObserverPlan {"," plan: Box::new(AuthoredObserverPlan {"," plan_id: ObserverPlanId::from_bytes([80; 32]),"," artifact_hash: [81; 32],"," schema_hash: [82; 32],"," state_schema_hash: [83; 32],"," update_law_hash: [84; 32],"," emission_law_hash: [85; 32],"," }),"," fn authored_query_plan(seed: u8, schema_seed: u8) -> AuthoredObserverPlan {"," AuthoredObserverPlan {"," plan_id: ObserverPlanId::from_bytes([seed; 32]),"," artifact_hash: [seed.wrapping_add(1); 32],"," schema_hash: [schema_seed; 32],"," state_schema_hash: [seed.wrapping_add(2); 32],"," update_law_hash: [seed.wrapping_add(3); 32],"," emission_law_hash: [seed.wrapping_add(4); 32],"," fn query_request("," builtin_one_shot("," ObservationCoordinate { worldline_id, at },"," ObservationFrame::QueryView,"," ObservationProjection::Query {"," query_id,"," vars_bytes,"," )"," fn complete_query_observer("," context: ContractQueryObserverContext<'_>,"," ) -> Result {"," let mut bytes = Vec::new();"," bytes.extend_from_slice(&context.query_id.to_le_bytes());"," bytes.extend_from_slice(context.vars_bytes);"," bytes.extend_from_slice("," &context"," .resolved"," .resolved_worldline_tick"," .as_u64()"," .to_le_bytes(),"," Ok(ContractQueryObserverResult::complete(bytes))"," fn residual_query_observer("," let mut bytes = b\"residual:\".to_vec();"," Ok(ContractQueryObserverResult::residual(bytes))"," fn empty_runtime_fixture() -> (Engine, WorldlineRuntime, ProvenanceService, WorldlineId) {"," let mut store = GraphStore::default();"," let root = make_node_id(\"root\");"," store.insert_node("," root,"," NodeRecord {"," ty: make_type_id(\"world\"),"," let engine = EngineBuilder::new(store, root).workers(1).build();"," let default_worldline = WorldlineId::from_bytes(engine.root_key().warp_id.0);"," let mut runtime = WorldlineRuntime::new();"," let default_state = WorldlineState::try_from(engine.state().clone()).unwrap();"," let mut provenance = ProvenanceService::new();"," provenance"," .register_worldline(default_worldline, &default_state)"," .unwrap();"," runtime"," .register_worldline(default_worldline, default_state)"," .register_writer_head(WriterHead::with_routing("," WriterHeadKey {"," worldline_id: default_worldline,"," head_id: make_head_id(\"default\"),"," PlaybackMode::Play,"," InboxPolicy::AcceptAll,"," true,"," ))"," (engine, runtime, provenance, default_worldline)"," fn one_commit_fixture() -> (Engine, WorldlineRuntime, ProvenanceService, WorldlineId) {"," let (mut engine, mut runtime, mut provenance, worldline_id) = empty_runtime_fixture();"," .ingest(IngressEnvelope::local_intent("," IngressTarget::DefaultWriter { worldline_id },"," make_intent_kind(\"echo.intent/test\"),"," b\"hello\".to_vec(),"," SchedulerCoordinator::super_tick(&mut runtime, &mut provenance, &mut engine).unwrap();"," (engine, runtime, provenance, worldline_id)"," fn append_local_patch("," state: &mut WorldlineState,"," provenance: &mut ProvenanceService,"," head_key: WriterHeadKey,"," commit_global_tick: GlobalTick,"," patch: WorldlineTickPatchV1,"," ) -> ProvenanceEntry {"," let worldline_tick = state.current_tick();"," let parents = provenance"," .tip_ref(worldline_id)"," .unwrap()"," .into_iter()"," .collect::>();"," patch.apply_to_worldline_state(state).unwrap();"," let state_root = state.state_root();"," let parent_hashes = parents"," .iter()"," .map(|parent| parent.commit_hash)"," let commit_hash = compute_commit_hash_v2("," &state_root,"," &parent_hashes,"," &patch.patch_digest,"," patch.policy_id(),"," let entry = ProvenanceEntry::local_commit("," worldline_tick,"," head_key,"," parents,"," HashTriplet {"," patch_digest: patch.patch_digest,"," patch,"," Vec::new(),"," provenance.append_local_commit(entry.clone()).unwrap();"," let patch_ref = entry.patch.as_ref().unwrap();"," let (snapshot, receipt, replay_patch) ="," replay_artifacts_for_entry(*state.root(), &entry, patch_ref).unwrap();"," state.record_replayed_tick(snapshot, receipt, replay_patch, Vec::new());"," entry"," fn node_upsert_patch("," state: &WorldlineState,"," label: &str,"," ) -> WorldlineTickPatchV1 {"," let root = *state.root();"," let node = crate::ident::NodeKey {"," warp_id: root.warp_id,"," local_id: make_node_id(label),"," let edge_id = make_edge_id(&format!(\"root-to-{label}\"));"," let edge = crate::ident::EdgeKey {"," local_id: edge_id,"," let replay_patch = WarpTickPatchV1::new("," crate::POLICY_ID_NO_POLICY_V0,"," crate::blake3_empty(),"," TickCommitStatus::Committed,"," vec![SlotId::Node(root)],"," vec![SlotId::Node(node), SlotId::Edge(edge)],"," vec!["," WarpOp::UpsertNode {"," node,"," record: NodeRecord {"," ty: make_type_id(\"observation-node\"),"," WarpOp::UpsertEdge {"," warp_id: root.warp_id,"," record: EdgeRecord {"," id: edge_id,"," from: root.local_id,"," to: node.local_id,"," ty: make_type_id(\"observation-edge\"),"," ],"," WorldlineTickPatchV1 {"," header: WorldlineTickHeaderV1 {"," commit_global_tick,"," policy_id: replay_patch.policy_id(),"," rule_pack_id: replay_patch.rule_pack_id(),"," plan_digest: crate::blake3_empty(),"," decision_digest: crate::blake3_empty(),"," rewrites_digest: crate::blake3_empty(),"," ops: replay_patch.ops().to_vec(),"," in_slots: replay_patch.in_slots().to_vec(),"," out_slots: replay_patch.out_slots().to_vec(),"," patch_digest: replay_patch.digest(),"," #[derive(Clone, Copy)]"," enum ParentDrift {"," None,"," Disjoint,"," Overlap,"," fn strand_observation_fixture("," parent_drift: ParentDrift,"," ) -> ("," Engine,"," WorldlineRuntime,"," ProvenanceService,"," crate::strand::StrandId,"," WorldlineId,"," ) {"," let base_worldline = wl(21);"," let child_worldline = wl(22);"," let mut base_store = GraphStore::new(crate::ident::make_warp_id(\"observation-root\"));"," let root_node = make_node_id(\"root\");"," base_store.insert_node("," root_node,"," ty: make_type_id(\"root\"),"," let engine = EngineBuilder::new(base_store.clone(), root_node)"," .workers(1)"," .build();"," let mut base_state = WorldlineState::from_root_store(base_store, root_node).unwrap();"," .register_worldline(base_worldline, &base_state)"," let base_head = WriterHeadKey {"," worldline_id: base_worldline,"," head_id: make_head_id(\"base-head\"),"," let child_head = WriterHeadKey {"," worldline_id: child_worldline,"," head_id: make_head_id(\"child-head\"),"," let base_patch = node_upsert_patch(&base_state, \"base-node\", gt(1));"," let base_entry = append_local_patch("," &mut base_state,"," &mut provenance,"," base_worldline,"," base_head,"," gt(1),"," base_patch,"," .fork(base_worldline, wt(0), child_worldline)"," let mut child_state = provenance"," .replay_worldline_state(base_worldline, &base_state)"," match parent_drift {"," ParentDrift::None => {}"," ParentDrift::Disjoint => {"," let drift_patch = node_upsert_patch(&base_state, \"parent-only\", gt(2));"," append_local_patch("," &mut base_state,"," &mut provenance,"," base_worldline,"," base_head,"," gt(2),"," drift_patch,"," ParentDrift::Overlap => {"," let drift_patch = node_upsert_patch(&base_state, \"child-node\", gt(2));"," let child_patch = node_upsert_patch(&child_state, \"child-node\", gt(3));"," append_local_patch("," &mut child_state,"," child_worldline,"," child_head,"," gt(3),"," child_patch,"," let strand_id = make_strand_id(\"observation-strand\");"," .register_worldline(base_worldline, base_state)"," .register_worldline(child_worldline, child_state)"," for key in [base_head, child_head] {"," runtime"," .register_writer_head(WriterHead::with_routing("," key,"," PlaybackMode::Play,"," InboxPolicy::AcceptAll,"," true,"," .unwrap();"," .register_strand(Strand {"," fork_basis_ref: ForkBasisRef {"," source_lane_id: base_worldline,"," fork_tick: wt(0),"," commit_hash: base_entry.expected.commit_hash,"," boundary_hash: base_entry.expected.state_root,"," provenance_ref: base_entry.as_ref(),"," child_worldline_id: child_worldline,"," writer_heads: vec![child_head],"," support_pins: Vec::new(),"," (engine, runtime, provenance, strand_id, child_worldline)"," fn recorded_truth_fixture() -> (Engine, WorldlineRuntime, ProvenanceService, WorldlineId) {"," let worldline_id = wl(7);"," let mut state = WorldlineState::empty();"," let snapshot = engine.snapshot_for_state(&state);"," state.tick_history.push(("," snapshot.clone(),"," TickReceipt::new(snapshot.tx, Vec::new(), Vec::new()),"," WarpTickPatchV1::new("," crate::POLICY_ID_NO_POLICY_V0,"," crate::blake3_empty(),"," TickCommitStatus::Committed,"," Vec::new(),"," state.last_snapshot = Some(snapshot.clone());"," .register_worldline(worldline_id, state.clone())"," provenance.register_worldline(worldline_id, &state).unwrap();"," let channel = make_channel_id(\"test:truth\");"," .append_local_commit(ProvenanceEntry::local_commit("," wt(0),"," gt(1),"," HashTriplet {"," state_root: snapshot.state_root,"," patch_digest: snapshot.patch_digest,"," commit_hash: snapshot.hash,"," WorldlineTickPatchV1 {"," header: WorldlineTickHeaderV1 {"," commit_global_tick: gt(1),"," policy_id: crate::POLICY_ID_NO_POLICY_V0,"," rule_pack_id: crate::blake3_empty(),"," plan_digest: snapshot.plan_digest,"," decision_digest: snapshot.decision_digest,"," rewrites_digest: snapshot.rewrites_digest,"," warp_id: WarpId(root.0),"," ops: Vec::new(),"," in_slots: Vec::new(),"," out_slots: Vec::new(),"," vec![(channel, b\"truth\".to_vec())],"," #[test]"," fn validity_matrix_accepts_only_centralized_pairs() {"," let truth = ObservationProjection::TruthChannels { channels: None };"," let query = ObservationProjection::Query {"," query_id: 7,"," vars_bytes: Vec::new(),"," assert!(ObservationService::validate_frame_projection("," ObservationFrame::CommitBoundary,"," &ObservationProjection::Head,"," .is_ok());"," &ObservationProjection::Snapshot,"," ObservationFrame::RecordedTruth,"," &truth,"," assert!("," ObservationService::validate_frame_projection(ObservationFrame::QueryView, &query,)"," .is_ok()"," assert!(matches!("," ObservationService::validate_frame_projection("," &ObservationProjection::Head,"," Err(ObservationError::UnsupportedFrameProjection { .. })"," ObservationService::validate_frame_projection(ObservationFrame::CommitBoundary, &truth,),"," fn builtin_one_shot_rejects_invalid_frame_projection() {"," let err = ObservationRequest::builtin_one_shot("," worldline_id: wl(1),"," at: ObservationAt::Frontier,"," ObservationProjection::Head,"," .unwrap_err();"," assert_eq!("," err,"," ObservationError::UnsupportedFrameProjection {"," frame: ObservationFrame::RecordedTruth,"," projection: ObservationProjectionKind::Head,"," fn frontier_head_matches_live_frontier_snapshot() {"," let (engine, runtime, provenance, worldline_id) = one_commit_fixture();"," let artifact = ObservationService::observe("," &runtime,"," &provenance,"," &engine,"," builtin_one_shot("," ObservationCoordinate {"," at: ObservationAt::Frontier,"," .unwrap();"," let frontier = runtime.worldlines().get(&worldline_id).unwrap();"," let snapshot = frontier"," .state()"," .last_snapshot()"," .cloned()"," .unwrap_or_else(|| engine.snapshot_for_state(frontier.state()));"," artifact.resolved.resolved_worldline_tick,"," frontier.frontier_tick()"," assert_eq!(artifact.resolved.commit_global_tick, Some(gt(1)));"," assert_eq!(artifact.resolved.observed_after_global_tick, Some(gt(1)));"," assert_eq!(artifact.resolved.state_root, snapshot.state_root);"," assert_eq!(artifact.resolved.commit_hash, snapshot.hash);"," fn recorded_truth_frontier_without_commits_is_unavailable() {"," let (engine, runtime, provenance, worldline_id) = empty_runtime_fixture();"," let err = ObservationService::observe("," ObservationProjection::TruthChannels { channels: None },"," ObservationError::ObservationUnavailable {"," fn recorded_truth_reads_recorded_outputs_only() {"," let (engine, runtime, provenance, worldline_id) = recorded_truth_fixture();"," let channels = if let ObservationPayload::TruthChannels(channels) = artifact.payload {"," channels"," Vec::new()"," assert_eq!(channels.len(), 1);"," assert_eq!(channels[0].1, b\"truth\".to_vec());"," fn identical_requests_produce_stable_artifact_hashes() {"," let request = builtin_one_shot("," let first ="," ObservationService::observe(&runtime, &provenance, &engine, request.clone()).unwrap();"," let second = ObservationService::observe(&runtime, &provenance, &engine, request).unwrap();"," assert_eq!(first.artifact_hash, second.artifact_hash);"," assert_eq!(first.to_abi(), second.to_abi());"," fn reading_envelope_posture_participates_in_artifact_identity() {"," let unbounded_request = builtin_one_shot("," let mut bounded_request = unbounded_request.clone();"," bounded_request.budget = ObservationReadBudget::Bounded {"," max_payload_bytes: 512,"," max_witness_refs: 1,"," let unbounded ="," ObservationService::observe(&runtime, &provenance, &engine, unbounded_request).unwrap();"," let bounded ="," ObservationService::observe(&runtime, &provenance, &engine, bounded_request).unwrap();"," assert_eq!(unbounded.resolved, bounded.resolved);"," assert_eq!(unbounded.payload, bounded.payload);"," assert_ne!(unbounded.reading, bounded.reading);"," assert_ne!(unbounded.artifact_hash, bounded.artifact_hash);"," unbounded.reading.budget_posture,"," ReadingBudgetPosture::UnboundedOneShot"," bounded.reading.budget_posture,"," ReadingBudgetPosture::Bounded {"," max_payload_bytes: 512,"," payload_bytes: 1..=512,"," max_witness_refs: 1,"," witness_refs: 1,"," fn ordinary_worldline_observation_reports_worldline_posture() {"," artifact.reading.observer_plan,"," plan: BuiltinObserverPlan::CommitBoundaryHead"," artifact.reading.observer_basis,"," ReadingObserverBasis::CommitBoundary"," artifact.reading.parent_basis_posture,"," ObservationBasisPosture::Worldline"," ReadingRightsPosture::KernelPublic"," ReadingResidualPosture::Complete"," artifact.reading.witness_refs.as_slice(),"," [ReadingWitnessRef::ResolvedCommit { .. }]"," if let [ReadingWitnessRef::ResolvedCommit { reference }] ="," artifact.reading.witness_refs.as_slice()"," assert_eq!(reference.worldline_id, worldline_id);"," assert_eq!(reference.worldline_tick, wt(0));"," assert_eq!(reference.commit_hash, artifact.resolved.commit_hash);"," artifact.to_abi().reading.parent_basis_posture,"," abi::ObservationBasisPosture::Worldline"," artifact.to_abi().reading.residual_posture,"," abi::ReadingResidualPosture::Complete"," fn explicit_bounded_observer_request_returns_bounded_reading_artifact() -> Result<(), String> {"," let mut request = builtin_one_shot("," request.budget = ObservationReadBudget::Bounded {"," let artifact = ObservationService::observe(&runtime, &provenance, &engine, request.clone())"," .map_err(|err| err.to_string())?;"," assert_eq!(artifact.reading.observer_plan, request.observer_plan);"," assert_eq!(artifact.reading.observer_instance, None);"," request.to_abi().budget,"," abi::ObservationReadBudget::Bounded {"," fn authored_observer_plan_obstructs_without_hidden_builtin_fallback() {"," let authored = authored_observer_plan();"," request.observer_plan = authored.clone();"," let err = ObservationService::observe(&runtime, &provenance, &engine, request).unwrap_err();"," assert_eq!(err, ObservationError::UnsupportedObserverPlan(authored));"," fn hosted_observer_instance_obstructs_without_stateful_fallback() {"," let instance = ObserverInstanceRef {"," instance_id: ObserverInstanceId::from_bytes([86; 32]),"," plan_id: ObserverPlanId::from_bytes([80; 32]),"," state_hash: [87; 32],"," request.observer_instance = Some(instance.clone());"," assert_eq!(err, ObservationError::UnsupportedObserverInstance(instance));"," fn capability_scoped_observer_rights_obstruct_without_public_fallback() {"," let rights = ObservationRights::CapabilityScoped {"," capability: OpticCapabilityId::from_bytes([88; 32]),"," request.rights = rights;"," assert_eq!(err, ObservationError::UnsupportedRights(rights));"," fn queryview_request_obstructs_without_installed_contract_observer() {"," let request = query_request("," ObservationAt::Frontier,"," 9_001,"," b\"counter=read\".to_vec(),"," assert_eq!(err, ObservationError::UnsupportedQuery { query_id: 9_001 });"," fn installed_contract_query_observer_returns_query_bytes_and_reading_envelope() {"," let (mut engine, runtime, provenance, worldline_id) = one_commit_fixture();"," let plan = authored_query_plan(90, 91);"," engine"," .register_contract_query_observer(ContractQueryObserver::new("," 9_001,"," plan.clone(),"," complete_query_observer,"," let artifact ="," let same ="," assert_eq!(artifact.artifact_hash, same.artifact_hash);"," artifact.reading.retained_evidence.is_empty(),"," \"direct observer registration lacks installed package evidence\""," ReadingObserverPlan::Authored {"," plan: Box::new(plan)"," ReadingObserverBasis::QueryView"," assert_eq!(artifact.projection, request.projection);"," let mut expected = 9_001_u32.to_le_bytes().to_vec();"," expected.extend_from_slice(b\"counter=read\");"," expected.extend_from_slice("," &artifact"," artifact.payload,"," ObservationPayload::QueryBytes(expected.clone())"," let abi = artifact.to_abi();"," assert!(abi.reading.retained_evidence.is_empty());"," ObservationService::observe("," &runtime,"," &provenance,"," &engine,"," builtin_one_shot("," ObservationCoordinate {"," at: ObservationAt::Frontier,"," ObservationFrame::CommitBoundary,"," ObservationProjection::Head,"," .reading"," .retained_evidence"," .is_empty(),"," \"non-contract readings must not invent retained evidence refs\""," fn contract_query_identity_changes_when_plan_query_vars_or_basis_change() {"," authored_query_plan(90, 91),"," 9_002,"," authored_query_plan(92, 93),"," let baseline = ObservationService::observe("," query_request("," b\"counter=read\".to_vec(),"," let different_vars = ObservationService::observe("," b\"counter=other\".to_vec(),"," let different_query = ObservationService::observe("," let different_basis = ObservationService::observe("," ObservationAt::Tick(wt(0)),"," let (mut other_engine, other_runtime, other_provenance, other_worldline_id) ="," one_commit_fixture();"," other_engine"," authored_query_plan(90, 99),"," let different_schema = ObservationService::observe("," &other_runtime,"," &other_provenance,"," &other_engine,"," other_worldline_id,"," assert_ne!(baseline.artifact_hash, different_vars.artifact_hash);"," assert_ne!(baseline.artifact_hash, different_query.artifact_hash);"," assert_ne!(baseline.artifact_hash, different_basis.artifact_hash);"," assert_ne!(baseline.artifact_hash, different_schema.artifact_hash);"," assert_eq!(baseline.resolved.observation_version, 4);"," baseline.artifact_hash,"," observation_artifact_hash_with_domain(&baseline, b\"echo:observation-artifact:v4\\0\")"," assert_ne!("," observation_artifact_hash_with_domain(&baseline, b\"echo:observation-artifact:v3\\0\")"," let baseline_identity = baseline"," .query_identity"," .as_ref()"," .expect(\"contract QueryView reading must carry query identity\");"," assert_eq!(baseline_identity.query_id, 9_001);"," baseline_identity.vars_digest.as_slice(),"," echo_wasm_abi::query_vars_digest_v1(b\"counter=read\")"," baseline_identity.reading_id,"," different_vars"," .reading"," .expect(\"different vars reading must carry query identity\")"," .reading_id"," different_query"," .expect(\"different query reading must carry query identity\")"," different_basis"," .expect(\"different basis reading must carry query identity\")"," different_schema"," .expect(\"different schema reading must carry query identity\")"," let mut bounded_request = query_request("," bounded"," .expect(\"bounded reading must carry query identity\")"," fn contract_query_identity_ignores_observation_freshness() {"," let (mut engine, mut runtime, provenance, worldline_id) = one_commit_fixture();"," runtime.advance_global_tick().unwrap();"," let after_unrelated_progress = ObservationService::observe("," baseline.resolved.commit_hash,"," after_unrelated_progress.resolved.commit_hash"," baseline.resolved.observed_after_global_tick,"," after_unrelated_progress.resolved.observed_after_global_tick"," baseline"," .expect(\"baseline query identity\")"," .reading_id,"," after_unrelated_progress"," .expect(\"later query identity\")"," .basis_digest,"," .basis_digest"," fn bounded_contract_query_observer_reports_residual_posture() -> Result<(), String> {"," 9_003,"," authored_query_plan(94, 95),"," residual_query_observer,"," let mut request = query_request("," 9_003,"," b\"partial\".to_vec(),"," let artifact = ObservationService::observe(&runtime, &provenance, &engine, request)"," ReadingResidualPosture::Residual"," ObservationPayload::QueryBytes(b\"residual:partial\".to_vec())"," fn observation_budget_obstructs_instead_of_emitting_oversized_reading() {"," max_payload_bytes: 1,"," ObservationError::BudgetExceeded {"," max_payload_bytes: 1,"," payload_bytes: 2..,"," fn bounded_head_optic_returns_read_identity() -> Result<(), String> {"," let request = optic_request(worldline_id, OpticApertureShape::Head, Some(256));"," let reading = match ObservationService::observe_optic("," request.clone(),"," ObserveOpticResult::Reading(reading) => reading,"," ObserveOpticResult::Obstructed(obstruction) => {"," return Err(format!(\"expected optic reading, got {obstruction:?}\"));"," assert_eq!(reading.read_identity.optic_id, request.optic_id);"," assert_eq!(reading.read_identity.coordinate, request.coordinate);"," reading.read_identity.aperture_digest,"," request.aperture.digest()"," reading.read_identity.witness_basis,"," WitnessBasis::ResolvedCommit { .. }"," assert!(matches!(reading.payload, ObservationPayload::Head(_)));"," assert_eq!(reading.retained, None);"," reading.to_abi().read_identity.read_identity_hash,"," reading.read_identity.read_identity_hash.to_vec()"," fn bounded_snapshot_optic_returns_read_identity() -> Result<(), String> {"," let request = optic_request("," OpticApertureShape::SnapshotMetadata,"," Some(256),"," assert_eq!(reading.read_identity.focus_digest, request.focus.digest());"," assert!(matches!(reading.payload, ObservationPayload::Snapshot(_)));"," fn oversized_optic_aperture_returns_budget_obstruction() {"," OpticApertureShape::ByteRange {"," start: 0,"," len: 4096,"," Some(1024),"," let result = ObservationService::observe_optic(&runtime, &provenance, &engine, request);"," result,"," ObserveOpticResult::Obstructed(ref obstruction)"," if obstruction.kind == OpticObstructionKind::BudgetExceeded"," && matches!("," obstruction.witness_basis,"," Some(WitnessBasis::Missing {"," reason: MissingWitnessBasisReason::BudgetLimited,"," })"," fn reading_residual_postures_convert_to_abi() {"," let cases = ["," ReadingResidualPosture::Complete,"," abi::ReadingResidualPosture::Complete,"," ReadingResidualPosture::Residual,"," abi::ReadingResidualPosture::Residual,"," ReadingResidualPosture::PluralityPreserved,"," abi::ReadingResidualPosture::PluralityPreserved,"," ReadingResidualPosture::Obstructed,"," abi::ReadingResidualPosture::Obstructed,"," ];"," for (posture, expected) in cases {"," assert_eq!(posture.to_abi(), expected);"," fn strand_frontier_observation_reports_anchor_posture() {"," let (engine, runtime, provenance, strand_id, child_worldline) ="," strand_observation_fixture(ParentDrift::None);"," worldline_id: child_worldline,"," ObservationBasisPosture::StrandAtAnchor { strand_id }"," fn strand_frontier_observation_reports_disjoint_live_basis_posture() {"," let (anchor_engine, anchor_runtime, anchor_provenance, _, anchor_child) ="," strand_observation_fixture(ParentDrift::Disjoint);"," let anchor_artifact = ObservationService::observe("," &anchor_runtime,"," &anchor_provenance,"," &anchor_engine,"," worldline_id: anchor_child,"," ObservationBasisPosture::StrandParentAdvancedDisjoint {"," strand_id: observed_strand,"," .."," } if observed_strand == strand_id"," artifact.resolved.state_root,"," anchor_artifact.resolved.state_root"," assert_ne!(artifact.artifact_hash, anchor_artifact.artifact_hash);"," fn strand_frontier_observation_reports_overlap_revalidation_posture() {"," strand_observation_fixture(ParentDrift::Overlap);"," matches!("," artifact.reading.parent_basis_posture,"," ObservationBasisPosture::StrandRevalidationRequired { .. }"," \"expected revalidation-gated strand posture\""," if let ObservationBasisPosture::StrandRevalidationRequired {"," strand_id: observed_strand,"," overlapping_slots,"," .."," } = &artifact.reading.parent_basis_posture"," assert_eq!(*observed_strand, strand_id);"," assert!(!overlapping_slots.is_empty());"," abi::ObservationBasisPosture::StrandRevalidationRequired {"," overlapping_slot_count,"," ref overlapping_slots_digest,"," } if overlapping_slot_count > 0 && overlapping_slots_digest.len() == 32"," fn observation_is_zero_write_for_runtime_and_provenance() {"," let runtime_before = runtime.clone();"," let provenance_before = provenance.clone();"," at: ObservationAt::Tick(wt(0)),"," assert_eq!(artifact.resolved.resolved_worldline_tick, wt(0));"," provenance"," .entry(worldline_id, wt(0))"," .unwrap()"," .commit_global_tick,"," gt(1)"," let frontier_after = runtime.worldlines().get(&worldline_id).unwrap();"," let frontier_before = runtime_before.worldlines().get(&worldline_id).unwrap();"," assert_eq!(runtime.global_tick(), runtime_before.global_tick());"," frontier_after.frontier_tick(),"," frontier_before.frontier_tick()"," frontier_after.state().current_tick(),"," frontier_before.state().current_tick()"," frontier_after"," .state()"," .last_snapshot()"," .map(|snapshot| snapshot.hash),"," frontier_before"," .map(|snapshot| snapshot.hash)"," provenance.len(worldline_id).unwrap(),"," provenance_before.len(worldline_id).unwrap()"," provenance.entry(worldline_id, wt(0)).unwrap(),"," provenance_before.entry(worldline_id, wt(0)).unwrap()","crates/warp-core/src/retained_evidence.rs",[3256],{"_977":978,"_979":3257,"_444":3258,"_982":57},229,[983,984,3259,986,3260,3261,3262,212,996,212,3263,1002,1005,212,3264,3265,212,3266,3267,3268,3269,3270,3271,3272,3273,3274,3275,3276,3277,3278,3279,3280,1045,212,3281,3282,1074,3283,3284,3285,3286,3287,3288,1043,1064,1045,212,3289,1316,3290,3291,3292,1053,3293,3294,3295,3296,3297,3298,3299,3300,1045,212,3301,3302,1151,3303,3304,3305,3306,3307,1344,1892,3308,3309,1043,1064,212,3310,1151,3311,2283,3312,3313,3314,3315,2569,1064,212,3316,1151,3317,3318,3319,1064,1045,212,3320,1053,3321,3322,3323,3324,3325,3326,3327,1045,212,3328,3329,1151,3330,1344,1184,3331,3332,1043,1064,212,3333,1151,3334,3335,1064,212,3336,1151,3337,2283,3338,3339,3340,3341,2569,1064,212,3342,1151,3317,3343,3344,1064,1045,212,3345,1053,3346,3347,3348,3349,3350,3351,3352,3353,3354,1142,3355,3356,3357,3358,3359,3354,1142,1045,212,3360,3361,1151,3362,3363,1064,212,3364,3365,1151,3366,3367,3368,3369,1043,1064,212,3370,1151,3371,3372,3373,3374,1043,1064,212,3375,1151,3376,1074,3377,3378,3379,1043,1064,1045,212,3380,3381,3382,3383,3384,3385,3386,3387,3388,3389,3390,3391,3392,1045,212,3393,3394,1684,1685,1045,212,3395,3396,3397,3398,1064,1045],"//! Retained contract evidence references.","//! CAS names bytes. These references name retained evidence under contract","//! semantics so missing material can obstruct explicitly instead of becoming an","//! empty read, cache hit, or generic runtime failure.","use crate::contract_obstruction::ContractObstruction;","const RETAINED_EVIDENCE_COORDINATE_ID_DOMAIN: &[u8] = b\"echo:retained-evidence-coordinate-id:v1\\0\";","const RETAINED_EVIDENCE_REF_ID_DOMAIN: &[u8] = b\"echo:retained-evidence-ref-id:v1\\0\";","/// Semantic role of retained contract evidence.","#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]","pub enum RetainedEvidenceRole {"," /// Generated contract artifact bytes."," ContractArtifact,"," /// Scheduler receipt or receipt-adjacent material."," ContractReceipt,"," /// Law witness or witness-adjacent material."," Witness,"," /// Reading payload bytes."," ReadingPayload,"," /// Encoded reading envelope bytes."," ReadingEnvelope,"," /// Generated observer artifact bytes."," ObserverArtifact,","impl RetainedEvidenceRole {"," fn tag(self) -> u8 {"," Self::ContractArtifact => 0,"," Self::ContractReceipt => 1,"," Self::Witness => 2,"," Self::ReadingPayload => 3,"," Self::ReadingEnvelope => 4,"," Self::ObserverArtifact => 5,","/// Semantic coordinate for retained contract evidence.","/// The coordinate names what the bytes answer. It is intentionally separate","/// from content hash because equal bytes can answer different semantic","/// questions.","pub struct RetainedEvidenceCoordinate {"," /// Installed contract evidence identity that owns the coordinate."," pub contract: ContractEvidenceIdentity,"," /// Retained evidence role."," pub role: RetainedEvidenceRole,"," /// Domain-separated semantic digest for the exact receipt, witness,"," /// reading, or artifact coordinate."," pub semantic_digest: Hash,","impl RetainedEvidenceCoordinate {"," /// Builds a retained evidence coordinate."," pub fn new("," contract: ContractEvidenceIdentity,"," role: RetainedEvidenceRole,"," semantic_digest: Hash,"," ) -> Self {"," role,"," semantic_digest,"," /// Stable coordinate id used for missing-retention obstruction subjects."," pub fn coordinate_id(&self) -> Hash {"," hasher.update(RETAINED_EVIDENCE_COORDINATE_ID_DOMAIN);"," update_contract_identity(&mut hasher, &self.contract);"," hasher.update(&[self.role.tag()]);"," hasher.update(&self.semantic_digest);"," /// Builds a typed missing-retention obstruction for this coordinate."," pub fn missing_retention_obstruction(&self) -> ContractObstruction {"," ContractObstruction::missing_retention(self.coordinate_id())"," .with_contract(self.contract.clone())","/// First-class reference to retained contract evidence bytes.","pub struct RetainedEvidenceRef {"," /// Semantic coordinate that explains what the retained bytes answer."," pub coordinate: RetainedEvidenceCoordinate,"," /// Content-only hash for the retained bytes."," pub content_hash: Hash,"," /// Retained byte length."," pub byte_len: u64,","impl RetainedEvidenceRef {"," /// Builds a retained evidence reference."," pub fn new(coordinate: RetainedEvidenceCoordinate, content_hash: Hash, byte_len: u64) -> Self {"," content_hash,"," byte_len,"," /// Stable id that binds semantic coordinate, content hash, and byte length."," pub fn evidence_ref_id(&self) -> Hash {"," self.evidence_ref_id_from_coordinate_id(self.coordinate.coordinate_id())"," /// Stable id that binds provided coordinate id, content hash, and byte length."," pub(crate) fn evidence_ref_id_from_coordinate_id(&self, coordinate_id: Hash) -> Hash {"," hasher.update(RETAINED_EVIDENCE_REF_ID_DOMAIN);"," hasher.update(&coordinate_id);"," hasher.update(&self.content_hash);"," hasher.update(&self.byte_len.to_le_bytes());"," /// Builds a typed missing-retention obstruction for this exact retained ref."," ContractObstruction::missing_retention(self.evidence_ref_id())"," .with_contract(self.coordinate.contract.clone())","/// Retained evidence availability posture.","pub enum RetainedEvidencePosture {"," /// The retained evidence is locally available."," Available(RetainedEvidenceRef),"," /// No retained descriptor exists for this semantic coordinate."," MissingCoordinate {"," /// Coordinate that should eventually name retained evidence."," coordinate: RetainedEvidenceCoordinate,"," /// Typed missing-retention obstruction for the coordinate."," obstruction: ContractObstruction,"," /// A descriptor is known, but its retained bytes are unavailable."," MissingContent {"," /// Retained evidence reference whose bytes are unavailable."," reference: RetainedEvidenceRef,"," /// Typed missing-retention obstruction for the exact reference.","impl RetainedEvidencePosture {"," /// Builds an available retained evidence posture."," pub fn available(reference: RetainedEvidenceRef) -> Self {"," Self::Available(reference)"," /// Builds a missing posture for a semantic coordinate with no local"," /// descriptor."," pub fn missing_coordinate(coordinate: &RetainedEvidenceCoordinate) -> Self {"," Self::MissingCoordinate {"," coordinate: coordinate.clone(),"," obstruction: coordinate.missing_retention_obstruction(),"," /// Builds a missing posture for a descriptor whose content bytes are absent."," pub fn missing_content(reference: &RetainedEvidenceRef) -> Self {"," Self::MissingContent {"," reference: reference.clone(),"," obstruction: reference.missing_retention_obstruction(),"," /// Returns the missing-retention obstruction when this posture obstructs."," pub fn obstruction(&self) -> Option<&ContractObstruction> {"," Self::Available(_) => None,"," Self::MissingCoordinate { obstruction, .. }"," | Self::MissingContent { obstruction, .. } => Some(obstruction),","fn update_contract_identity(hasher: &mut Hasher, contract: &ContractEvidenceIdentity) {"," hasher.update(contract.package_id.as_bytes());"," hasher.update(&contract.echo_abi_version.to_le_bytes());"," update_string(hasher, &contract.package_name);"," update_string(hasher, &contract.package_version);"," update_string(hasher, &contract.artifact_hash_hex);"," update_string(hasher, &contract.codec_id);"," hasher.update(&contract.registry_version.to_le_bytes());"," update_string(hasher, &contract.wesley_generator_version);"," hasher.update(&contract.helper_api_version.to_le_bytes());"," update_string(hasher, &contract.schema_sha256_hex);"," hasher.update(&contract.op_id.to_le_bytes());"," hasher.update(&[contract_operation_kind_tag(contract.op_kind)]);","fn update_string(hasher: &mut Hasher, value: &str) {"," let bytes = value.as_bytes();","fn contract_operation_kind_tag(kind: ContractOperationKind) -> u8 {"," match kind {"," ContractOperationKind::Mutation => 0,"," ContractOperationKind::Query => 1,",[3400,3401,3402,3403,3404,3405,3406],{"_930":45,"_45":3417},{"_930":3408,"_162":3254,"_977":3415,"_979":3416},{"_930":45,"_45":3414},{"_930":3408,"_162":971,"_977":3412,"_979":3413},{"_930":45,"_45":3411},{"_930":3408,"_162":971,"_977":3409,"_979":3410},{"_930":45,"_45":3407},"\n\n**Testing**\n* ✅ `cargo check -p warp-core`","repo_file_citation",1018,1024,"\n* Left the `.github`/`GitHub` docs suggestion untouched (as requested in trigger context) because the referenced table cell is a filesystem path literal where lowercase `.github` is correct. ",986,1000,"\n* Refactored `retained_evidence_ref_to_abi` to compute `coordinate_id` once and reuse it for both ABI coordinate serialization and `evidence_ref_id`, removing redundant hashing work in the MissingContent conversion path without collapsing coordinate and ref ID domains. ",120,135,"**Summary**\n* Added `RetainedEvidenceRef::evidence_ref_id_from_coordinate_id` so the retained ref ID can be derived from a precomputed coordinate ID while preserving the existing `RETAINED_EVIDENCE_REF_ID_DOMAIN` hash semantics. `evidence_ref_id()` now delegates to that helper, so behavior remains consistent while enabling reuse. ",{"_91":325,"_41":83,"_95":325,"_3420":3421,"_3422":3423,"_3424":3425,"_131":-5,"_118":3426},[82],"input_items",[3443,3444,3445,3446,3447,3448],"external_post_config",{"_3427":3428,"_265":199,"_3429":305,"_276":-5,"_950":259,"_3430":-5,"_3431":3432,"_3433":3434,"_3435":-5,"_3436":-5,"_3437":3438,"_3439":15,"_3440":57,"_3441":52,"_3442":15},"user_model_slug","slug",1779750804.067612,"installation_id",89912914,"pr_number","review_trigger","comment_id",4537888356,"comment_type","issue","pr_write_guard_token","pending_pr_reaction_id","pending_comment_reaction_id",361542983,"comment_if_no_findings","comment_on_error","share_url","is_parallel_review",{"_91":449,"_95":325,"_444":3463},{"_312":313,"_314":315,"_3460":319,"_3461":128,"_321":-5,"_91":3462},{"_91":3449,"_314":3459,"_162":-5,"_3451":-5,"_3452":-5},{"_91":3449,"_314":3457,"_162":971,"_3451":3455,"_3452":3458},{"_91":3449,"_314":3453,"_162":3454,"_3451":3455,"_3452":3456},{"_91":3449,"_314":3450,"_162":-5,"_3451":-5,"_3452":-5},"pull_request_comment","**Actionable comments posted: 2**\n\n

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\n\n

🤖 Prompt for AI Agents

\n\n\n\n","docs/WorkItems.md","RIGHT",296,"_🧹 Nitpick_ | _🔵 Trivial_ | _⚡ Quick win_\n\n**Redundant hash computation in ABI conversion.**\n\nFor `MissingContent`, `coordinate_id()` is computed three times:\n1. Line 1014: `retained_evidence_coordinate_to_abi(&reference.coordinate)`\n2. Line 1017 → 988: inside `retained_evidence_ref_to_abi` calls it again\n3. Line 1017 → 991: `evidence_ref_id()` internally calls `coordinate.coordinate_id()`\n\nEach `coordinate_id()` invokes BLAKE3 hashing over contract identity + role + digest.\n\n\n\n

Compute IDs once and pass through

\n\n

🤖 Prompt for AI Agents

\n\n\n\n",1021,"\n\n\n

📝 Walkthrough

\n\n\n\n\n

🚥 Pre-merge checks | ✅ 4 | ❌ 1

✅ Passed checks (4 passed)

\n\n_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}\n\n

\n\n\n\n\n

✨ Finishing Touches

\n\n

📝 Generate docstrings

\n\n- [ ] Create stacked PR\n- [ ] Commit on current branch\n\n

🧪 Generate unit tests (beta)

\n\n- [ ] Create PR with unit tests\n- [ ] Commit unit tests in branch `stack/wasm-retained-evidence-refs`\n\n

\n\n

❤️ Share

\n\n\n_{Comment `@coderabbitai help` to get the list of available commands and usage tips.}\n\n\n\n\n\n\n\n","base_ref","head_ref","pull_request_info",[3464],{"_930":45,"_45":3465},"@codex self-review pass for PR #380.\n\n| Severity | File / lines | Issue | Evidence | Recommended mitigation prompt |\n|---|---|---|---|---|\n| P5 nit / perf | `crates/warp-core/src/observation.rs:1010-1018` | `MissingContent` ABI conversion recomputes retained-evidence coordinate identity while converting both the coordinate and ref. | `retained_evidence_coordinate_to_abi(&reference.coordinate)` computes `coordinate_id()`, then `retained_evidence_ref_to_abi(reference)` computes it again indirectly through `evidence_ref_id()`. `RetainedEvidenceRef::evidence_ref_id()` is intentionally a distinct domain hash over coordinate id, content hash, and byte length (`crates/warp-core/src/retained_evidence.rs:120-128`). | Refactor the ABI conversion helpers so the MissingContent path can compute the coordinate id once and pass it through to coordinate/ref conversion, but preserve the distinct `RetainedEvidenceRef` id domain. 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