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⚙️ Run configuration

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📥 Commits

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📒 Files selected for processing (6)

\\n\\n* `CHANGELOG.md`\\n* `crates/warp-core/src/braid.rs`\\n* `crates/warp-core/src/lib.rs`\\n* `crates/warp-core/tests/braid_public_api_tests.rs`\\n* `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md`\\n* `docs/design/braids-and-strands-roadmap.md`\\n\\n

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📝 Walkthrough

\\n\\n## Walkthrough\\n\\nIntroduces `BraidMembershipEntry` struct and `Braid::membership_history()` as a read-only projection over accepted `MemberWoven` events in the braid event log. Re-exports the new type from `lib.rs`. Tests are extended with append-only semantics verification and typed error assertions. Design docs and changelog reflect GP3-S1 as active and complete.\\n\\n## Changes\\n\\n**GP3-S1: Append-Only Braid Membership History**\\n\\n| Layer / File(s) | Summary |\\n|---|---|\\n| **`BraidMembershipEntry` struct and `membership_history()` projection**
`crates/warp-core/src/braid.rs`, `crates/warp-core/src/lib.rs` | Adds `BraidMembershipEntry` (member reference + accepted weave sequence number) and `Braid::membership_history()` filtering the event log to `MemberWoven` entries. `lib.rs` re-export is reformatted to surface the new type. |\\n| **Public API tests: append-only semantics and typed errors**
`crates/warp-core/tests/braid_public_api_tests.rs` | Refactors `public_braid_transition_failures_are_typed` to `Result`-based propagation. Adds `public_braid_membership_history_is_append_only_event_history` asserting duplicate-member errors, post-finalization transition errors, correct `membership_history()` ordering, and `frontier()` correctness. |\\n| **Design docs and changelog**
`docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md`, `docs/design/braids-and-strands-roadmap.md`, `CHANGELOG.md` | GP3-S1 status updated to active; Implementation Design section added clarifying `BraidEvent` as authoritative log and `BraidMembershipEntry` as a derived projection. Roadmap marks GP3-S1 complete. Changelog entry added. |\\n\\n## Estimated code review effort\\n\\n🎯 2 (Simple) | ⏱️ ~10 minutes\\n\\n## Possibly related PRs\\n\\n- [flyingrobots/echo#548](https://github.com/flyingrobots/echo/pull/548): Touches the same `braid_public_api_tests.rs` file around `BraidError::InvalidTransition` and `BraidTransitionKind` assertions, which this PR's test refactor and new membership-history test directly build on.\\n\\n## Poem\\n\\n> 🧵 The braid remembers every thread it weaved,\\n> append-only, ordered, never deceived.\\n> `membership_history()` — facts, not fiction,\\n> `frontier()` holds the current depiction.\\n> The event log speaks; projections just listen. 🪢\\n\\n

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

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🧪 Generate unit tests (beta)

\\n\\n- [ ] Create PR with unit tests\\n- [ ] Commit unit tests in branch `hardening/braid-membership-history-design`\\n\\n

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\\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=550)! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.\\n\\n

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\\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\":\"## Self-Code Review\\n\\ncc @codex\\n\\nVerdict: no actionable findings.\\n\\n| Severity | File | Lines | Infraction | Recommended mitigation |\\n|---:|---|---:|---|---|\\n| N/A | N/A | N/A | No logic, race, edge-case, nondeterminism, duplication, separation-of-concerns, API, style, typing, or Markdown violations found in `git diff origin/main...HEAD`. | No change requested. |\\n\\nEvidence reviewed:\\n\\n| Surface | Review result |\\n|---|---|\\n| `crates/warp-core/src/braid.rs` | `BraidMembershipEntry` is documented as a read projection, not an admission token. `membership_history()` derives accepted `MemberWoven` facts from the event log. Admission still routes through `Braid::apply(...)`. |\\n| `crates/warp-core/tests/braid_public_api_tests.rs` | Regression proves accepted members appear in sequence order and rejected duplicate/late events do not enter membership history. Existing `expect()` uses in touched tests were removed in the implementation commit. |\\n| `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | GP3-S1 scope is explicit and does not overclaim coordinate views, diffs, replay facts, or recorder output. |\\n| `docs/design/braids-and-strands-roadmap.md` | Only `GP3-S1` is checked. Later slices remain unchecked. |\\n| `CHANGELOG.md` | Public API addition is recorded under Unreleased. |\\n\\nValidation:\\n\\n| Check | Result |\\n|---|---:|\\n| `git status --porcelain` | clean |\\n| `git fetch origin --prune` | passed |\\n| `git diff --check origin/main...HEAD` | passed |\\n| `cargo fmt --all -- --check` | passed |\\n| `cargo test -p warp-core --test braid_public_api_tests` | passed, 5/5 |\\n| `cargo test -p warp-core --lib braid` | passed, 40/40 |\\n| `cargo clippy -p warp-core --test braid_public_api_tests -- -D warnings` | passed |\\n| `pnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | passed |\\n| `scripts/check_spdx.sh` | passed |\\n| GitHub checks / CodeRabbit | all passing at review time |\\n\\nResidual risk: this PR intentionally implements only GP3-S1. It does not provide historical coordinate lookup, membership diffs, replay/audit facts, Braid Flight Recorder output, or Causal X-Ray output; those remain the unchecked GP3-S2 through GP3-S5 slices.\",\"path\":null,\"side\":null,\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"### Summary\\n\\n* No code changes were made because the trigger’s verdict reported “no actionable findings,” and the PR context/comment did not request a change.\\n* I did not commit or create a new PR because there were no Codex-authored changes to commit. This also respects the repo’s standard-commit/no-rewrite guidance. [AGENTS.mdL46-L51](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L46-L51)\\n* I followed the required context recovery path by consulting the repo guidance that points to `docs/BEARING.md`, `METHOD.md`, backlog state, git log, and git status. [AGENTS.mdL80-L87](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L80-L87)\\n* Note: the working tree already contains an uncommitted modification to `pnpm-lock.yaml`; I left it untouched because it was unrelated to the no-op review trigger.\\n\\n**Testing / Checks**\\n\\n* ✅ `pwd && find .. -name AGENTS.md -print`\\n* ✅ `git status --short && git log -n 5 --oneline`\\n* ✅ `sed -n '1,220p' docs/BEARING.md && printf '\\\\n--- METHOD ---\\\\n' && sed -n '1,220p' METHOD.md && printf '\\\\n--- backlog/asap ---\\\\n' && find backlog/asap -maxdepth 2 -type f -print | sort | sed -n '1,80p'`\\n* ✅ `git diff -- pnpm-lock.yaml | sed -n '1,220p'`\\n* ✅ `git status --porcelain=v1`\\n* ✅ `nl -ba AGENTS.md | sed -n '45,105p' && nl -ba docs/BEARING.md | sed -n '1,55p' && nl -ba METHOD.md | sed -n '1,70p'`\\n\\n [View task →](https://chatgpt.com/s/cd_6a304c9475288191bc536de0558adb88)\",\"path\":null,\"side\":null,\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"## Self-Code Review Pass 2\\n\\ncc @codex\\n\\nVerdict: no actionable findings.\\n\\n| Severity | File | Lines | Infraction | Recommended mitigation |\\n|---:|---|---:|---|---|\\n| N/A | N/A | N/A | Second review pass found no logic, race, edge-case, nondeterminism, duplication, separation-of-concerns, API, style, typing, or Markdown violations in `git diff origin/main...HEAD`. | No change requested. |\\n\\nEvidence reviewed:\\n\\n| Surface | Review result |\\n|---|---|\\n| `crates/warp-core/src/braid.rs` | `BraidMembershipEntry` remains a documented read projection, not an admission token. `Braid::membership_history()` derives accepted `MemberWoven` events from the event log. `Braid::apply(...)` remains the admission boundary. |\\n| `crates/warp-core/src/lib.rs` | Crate-root export is narrow and matches the new public API surface. |\\n| `crates/warp-core/tests/braid_public_api_tests.rs` | Regression proves accepted members appear in sequence order and rejected duplicate/late member events do not enter membership history. Test uses typed errors and avoids display-string behavior contracts. |\\n| `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | GP3-S1 implementation boundary is explicit and does not claim GP3-S2 through GP3-S5 behavior. |\\n| `docs/design/braids-and-strands-roadmap.md` | Only `GP3-S1` is checked. Later coordinate, diff, replay, recorder, and Causal X-Ray slices remain unchecked. |\\n| `CHANGELOG.md` | Public API addition is recorded under Unreleased. |\\n\\nValidation for this pass:\\n\\n| Check | Result |\\n|---|---:|\\n| `git status --porcelain` | clean |\\n| `git fetch origin --prune` | passed |\\n| `git diff --check origin/main...HEAD` | passed |\\n| `cargo fmt --all -- --check` | passed |\\n| `cargo test -p warp-core --test braid_public_api_tests` | passed, 5/5 |\\n| `cargo test -p warp-core --lib braid` | passed, 40/40 |\\n| `cargo clippy -p warp-core --test braid_public_api_tests -- -D warnings` | passed |\\n| `pnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | passed |\\n| GitHub checks / CodeRabbit | all passing at review time |\\n\\nResidual risk is intentional scope, not a defect: this PR implements only GP3-S1. Historical coordinate lookup, membership diffs, replay/audit facts, Braid Flight Recorder output, and Causal X-Ray output remain later unchecked slices.\",\"path\":null,\"side\":null,\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"### Summary\\n\\n* No code changes were made because the trigger’s explicit verdict was “no actionable findings,” and the PR comments/context did not request any mitigation.\\n* I did not commit or create a new PR because there were no Codex-authored changes to commit. This preserves the repository’s standard-commit/no-rewrite guidance and avoids committing unrelated working-tree state. [AGENTS.mdL46-L51](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L46-L51)\\n* I followed the repository context-recovery instructions by consulting `docs/BEARING.md`, `METHOD.md`, backlog state, recent git history, and status. [AGENTS.mdL80-L87](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L80-L87)\\n* The working tree already has an unrelated uncommitted modification to `pnpm-lock.yaml`; I inspected it and left it untouched.\\n\\n**Testing / Checks**\\n\\n* ✅ `pwd && find .. -name AGENTS.md -print && git status --short && git log -n 5 --oneline`\\n* ✅ `sed -n '1,180p' docs/BEARING.md && printf '\\\\n--- METHOD ---\\\\n' && sed -n '1,140p' METHOD.md && printf '\\\\n--- backlog/asap ---\\\\n' && find backlog/asap -maxdepth 2 -type f -print | sort | sed -n '1,80p'`\\n* ✅ `git diff -- pnpm-lock.yaml | sed -n '1,160p'; printf '\\\\n--- status ---\\\\n'; git status --porcelain=v1; printf '\\\\n--- citations ---\\\\n'; nl -ba AGENTS.md | sed -n '46,104p'; printf '\\\\n--- bearing lines ---\\\\n'; nl -ba docs/BEARING.md | sed -n '1,48p'; printf '\\\\n--- method lines ---\\\\n'; nl -ba METHOD.md | sed -n '35,47p'`\\n\\n [View task →](https://chatgpt.com/s/cd_6a304e84d78c8191af1445eee99daf04)\",\"path\":null,\"side\":null,\"line\":null}","text_elements",[],{"_386":527,"_367":368,"_388":374},{"_389":528,"_391":-5,"_42":-5,"_392":-5,"_393":-5,"_96":325,"_92":395},[529],{"_46":523,"_92":530},"input_text",{"_386":532,"_367":368,"_388":374},{"_389":533,"_391":-5,"_42":-5,"_392":-5,"_393":-5,"_96":325,"_92":395},[534,535],{"_46":537,"_92":530},{"_46":536,"_92":530},"\n /workspace/echo\n bash\n 2026-06-16\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",{"_386":539,"_367":368,"_388":374},{"_389":540,"_391":-5,"_42":-5,"_392":-5,"_393":-5,"_96":541,"_92":395},[542,543],"developer",{"_46":545,"_92":530},{"_46":544,"_92":530},"\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",{"_367":368,"_87":548},{"_103":-5,"_42":374,"_375":549,"_377":378,"_379":550},[],"inProgress",{"_379":552,"_367":368},{"_553":554,"_92":555},"activeFlags",[],"active","thread/started",{"_558":559},"thread",{"_560":-5,"_561":-5,"_562":563,"_564":378,"_434":435,"_565":15,"_566":-5,"_567":-5,"_568":-5,"_569":570,"_42":368,"_571":572,"_181":-5,"_573":-5,"_161":574,"_575":210,"_576":-5,"_439":577,"_379":578,"_579":-5,"_77":580,"_581":378},"agentNickname","agentRole","cliVersion","0.128.0","createdAt","ephemeral","extra","forkedFromId","gitInfo","historyMode","legacy","modelProvider","openai","parentThreadId","/opt/codex/sessions/2026/06/16/rollout-2026-06-16T03-11-15-019ece69-68c4-7b53-9697-13d2fee0804e.jsonl","preview","recencyAt","vscode",{"_92":383},"threadSource",[],"updatedAt",[],"messages",[585],{"_42":586,"_587":588,"_589":590,"_591":590,"_389":592,"_379":593,"_391":-5,"_594":32,"_595":596,"_597":598,"_599":-5},"3f55bc44-0f3b-43bb-8362-4fc0214c5f92","author",{"_96":325,"_181":-5,"_595":608},"create_time",1781579474.320034,"update_time",{"_604":46,"_605":606},"finished_successfully","weight","metadata",{"_600":601},"recipient","all","channel","l1239dk1",{"_602":603},"inline_comments",[],"content_type","parts",[607],"## Self-Code Review Pass 3\n\ncc @codex\n\nVerdict: no actionable findings.\n\n| Severity | File | Lines | Infraction | Recommended mitigation |\n|---:|---|---:|---|---|\n| N/A | N/A | N/A | Third review pass found no logic, race, edge-case, nondeterminism, duplication, separation-of-concerns, API, style, typing, or Markdown violations in `git diff origin/main...HEAD`. | No change requested. |\n\nEvidence reviewed:\n\n| Surface | Review result |\n|---|---|\n| `crates/warp-core/src/braid.rs` | `BraidMembershipEntry` is explicitly documented as a read model, not an admission token. `Braid::membership_history()` derives accepted `MemberWoven` facts from the event log. `Braid::apply(...)` remains the only admission boundary. |\n| `crates/warp-core/src/lib.rs` | Crate-root export is limited to the new projection type and does not broaden braid admission authority. |\n| `crates/warp-core/tests/braid_public_api_tests.rs` | Regression proves accepted members appear in sequence order and rejected duplicate/late member events do not enter membership history. Tests continue to use typed errors rather than display-string behavior. |\n| `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | GP3-S1 is described as the membership-history source-of-truth boundary and explicitly does not implement later coordinate, diff, replay, or recorder surfaces. |\n| `docs/design/braids-and-strands-roadmap.md` | Only `GP3-S1` is checked. GP3-S2 through GP3-S5 remain unchecked. |\n| `CHANGELOG.md` | Public API addition is recorded under Unreleased. |\n\nValidation for this pass:\n\n| Check | Result |\n|---|---:|\n| `git status --porcelain` | clean |\n| `git fetch origin --prune` | passed |\n| `git diff --check origin/main...HEAD` | passed |\n| `cargo fmt --all -- --check` | passed |\n| `cargo test -p warp-core --test braid_public_api_tests` | passed, 5/5 |\n| `cargo test -p warp-core --lib braid` | passed, 40/40 |\n| `cargo clippy -p warp-core --test braid_public_api_tests -- -D warnings` | passed |\n| `pnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | passed |\n| `scripts/check_spdx.sh` | passed |\n| GitHub checks / CodeRabbit | all passing at review time |\n\nResidual risk remains intentional scope, not a defect: this PR implements only GP3-S1. Historical coordinate lookup, membership diffs, replay/audit facts, Braid Flight Recorder output, and Causal X-Ray output remain later unchecked slices.\nExpose braid membership history\n\n## Summary\n\nImplements GP3-S1 from the braids/strands hardening roadmap.\n\n- Adds `BraidMembershipEntry` as a read projection for accepted braid membership facts.\n- Adds `Braid::membership_history()` to project accepted `MemberWoven` events from the append-only braid event log.\n- Keeps `frontier()` as the current membership projection and documents that it is not the historical model.\n- Updates the Goalpost 3 design doc, roadmap checklist, and changelog.\n\n## Why\n\nGoalpost 3 needs a concrete source-of-truth boundary before later slices add coordinate views, diffs, replay facts, and lower-mode recorder output. This PR establishes that accepted `BraidEvent::MemberWoven` entries are the membership history substrate, while rejected duplicate/late/incoherent events never enter the projected history.\n\n## RED / GREEN\n\nRED witness:\n\n```bash\ncargo test -p warp-core --test braid_public_api_tests public_braid_membership_history_is_append_only_event_history\n```\n\nBefore the fix, this failed because `BraidMembershipEntry` and `Braid::membership_history()` did not exist.\n\nGREEN witness:\n\n```bash\ncargo test -p warp-core --test braid_public_api_tests public_braid_membership_history_is_append_only_event_history\n```\n\nAfter the fix, the test passes and proves accepted member facts are exposed in sequence order while rejected duplicate and late member events are excluded.\n\n## Validation\n\n```bash\ncargo fmt --all -- --check\ncargo test -p warp-core --test braid_public_api_tests\ncargo test -p warp-core --lib braid\ncargo test -p warp-core --doc\ncargo clippy -p warp-core --test braid_public_api_tests -- -D warnings\ncargo clippy -p warp-core --lib -- -D warnings\npnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md\nscripts/check_spdx.sh\ngit diff --check\n```\n\nPre-commit also passed `cargo clippy -p warp-core --lib`, `cargo check -p warp-core`, and markdownlint for touched docs.\n\nPre-push passed:\n\n```bash\ncargo fmt --all -- --check\ncargo test -p warp-core --lib braid::tests\ncargo test -p warp-core --lib\ncargo test -p warp-core --test braid_public_api_tests\nprettier --check on touched markdown files\n```\n\n## Roadmap\n\n- Checks off only `GP3-S1`.\n- Leaves `GP3-S2` through `GP3-S5` unchecked for coordinate views, diffs, replay/audit facts, and Causal X-Ray / Braid Flight Recorder output.\n\n\n\n## Summary by CodeRabbit\n\n## Release Notes\n\n* **New Features**\n * Braid membership history is now accessible, providing a read-only chronological view of all accepted member events\n\n* **Documentation**\n * Design documentation updated with implementation details for historical membership access\n * Roadmap progress tracker updated to reflect feature implementation completion\n\n\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/550?utm_source=github_walkthrough&utm_medium=github&utm_campaign=change_stack)\n\n\nNo actionable comments were generated in the recent review. 🎉\n\n

ℹ️ Recent review info

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\n\n**Configuration used**: Path: .coderabbit.yaml\n\n**Review profile**: ASSERTIVE\n\n**Plan**: Pro\n\n**Run ID**: `5d3d5093-ceb0-437a-afd9-82207f3850e3`\n\n

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📥 Commits

\n\nReviewing files that changed from the base of the PR and between e30e4b784d823b67baceaaee55a287e819a25566 and 3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44.\n\n

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📒 Files selected for processing (6)

\n\n* `CHANGELOG.md`\n* `crates/warp-core/src/braid.rs`\n* `crates/warp-core/src/lib.rs`\n* `crates/warp-core/tests/braid_public_api_tests.rs`\n* `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md`\n* `docs/design/braids-and-strands-roadmap.md`\n\n

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

📝 Walkthrough

\n\n## Walkthrough\n\nIntroduces `BraidMembershipEntry` struct and `Braid::membership_history()` as a read-only projection over accepted `MemberWoven` events in the braid event log. Re-exports the new type from `lib.rs`. Tests are extended with append-only semantics verification and typed error assertions. Design docs and changelog reflect GP3-S1 as active and complete.\n\n## Changes\n\n**GP3-S1: Append-Only Braid Membership History**\n\n| Layer / File(s) | Summary |\n|---|---|\n| **`BraidMembershipEntry` struct and `membership_history()` projection**
`crates/warp-core/src/braid.rs`, `crates/warp-core/src/lib.rs` | Adds `BraidMembershipEntry` (member reference + accepted weave sequence number) and `Braid::membership_history()` filtering the event log to `MemberWoven` entries. `lib.rs` re-export is reformatted to surface the new type. |\n| **Public API tests: append-only semantics and typed errors**
`crates/warp-core/tests/braid_public_api_tests.rs` | Refactors `public_braid_transition_failures_are_typed` to `Result`-based propagation. Adds `public_braid_membership_history_is_append_only_event_history` asserting duplicate-member errors, post-finalization transition errors, correct `membership_history()` ordering, and `frontier()` correctness. |\n| **Design docs and changelog**
`docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md`, `docs/design/braids-and-strands-roadmap.md`, `CHANGELOG.md` | GP3-S1 status updated to active; Implementation Design section added clarifying `BraidEvent` as authoritative log and `BraidMembershipEntry` as a derived projection. Roadmap marks GP3-S1 complete. Changelog entry added. |\n\n## Estimated code review effort\n\n🎯 2 (Simple) | ⏱️ ~10 minutes\n\n## Possibly related PRs\n\n- [flyingrobots/echo#548](https://github.com/flyingrobots/echo/pull/548): Touches the same `braid_public_api_tests.rs` file around `BraidError::InvalidTransition` and `BraidTransitionKind` assertions, which this PR's test refactor and new membership-history test directly build on.\n\n## Poem\n\n> 🧵 The braid remembers every thread it weaved,\n> append-only, ordered, never deceived.\n> `membership_history()` — facts, not fiction,\n> `frontier()` holds the current depiction.\n> The event log speaks; projections just listen. 🪢\n\n

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\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 `hardening/braid-membership-history-design`\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## Self-Code Review\n\ncc @codex\n\nVerdict: no actionable findings.\n\n| Severity | File | Lines | Infraction | Recommended mitigation |\n|---:|---|---:|---|---|\n| N/A | N/A | N/A | No logic, race, edge-case, nondeterminism, duplication, separation-of-concerns, API, style, typing, or Markdown violations found in `git diff origin/main...HEAD`. | No change requested. |\n\nEvidence reviewed:\n\n| Surface | Review result |\n|---|---|\n| `crates/warp-core/src/braid.rs` | `BraidMembershipEntry` is documented as a read projection, not an admission token. `membership_history()` derives accepted `MemberWoven` facts from the event log. Admission still routes through `Braid::apply(...)`. |\n| `crates/warp-core/tests/braid_public_api_tests.rs` | Regression proves accepted members appear in sequence order and rejected duplicate/late events do not enter membership history. Existing `expect()` uses in touched tests were removed in the implementation commit. |\n| `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | GP3-S1 scope is explicit and does not overclaim coordinate views, diffs, replay facts, or recorder output. |\n| `docs/design/braids-and-strands-roadmap.md` | Only `GP3-S1` is checked. Later slices remain unchecked. |\n| `CHANGELOG.md` | Public API addition is recorded under Unreleased. |\n\nValidation:\n\n| Check | Result |\n|---|---:|\n| `git status --porcelain` | clean |\n| `git fetch origin --prune` | passed |\n| `git diff --check origin/main...HEAD` | passed |\n| `cargo fmt --all -- --check` | passed |\n| `cargo test -p warp-core --test braid_public_api_tests` | passed, 5/5 |\n| `cargo test -p warp-core --lib braid` | passed, 40/40 |\n| `cargo clippy -p warp-core --test braid_public_api_tests -- -D warnings` | passed |\n| `pnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | passed |\n| `scripts/check_spdx.sh` | passed |\n| GitHub checks / CodeRabbit | all passing at review time |\n\nResidual risk: this PR intentionally implements only GP3-S1. It does not provide historical coordinate lookup, membership diffs, replay/audit facts, Braid Flight Recorder output, or Causal X-Ray output; those remain the unchecked GP3-S2 through GP3-S5 slices.\n### Summary\n\n* No code changes were made because the trigger’s verdict reported “no actionable findings,” and the PR context/comment did not request a change.\n* I did not commit or create a new PR because there were no Codex-authored changes to commit. This also respects the repo’s standard-commit/no-rewrite guidance. [AGENTS.mdL46-L51](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L46-L51)\n* I followed the required context recovery path by consulting the repo guidance that points to `docs/BEARING.md`, `METHOD.md`, backlog state, git log, and git status. [AGENTS.mdL80-L87](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L80-L87)\n* Note: the working tree already contains an uncommitted modification to `pnpm-lock.yaml`; I left it untouched because it was unrelated to the no-op review trigger.\n\n**Testing / Checks**\n\n* ✅ `pwd && find .. -name AGENTS.md -print`\n* ✅ `git status --short && git log -n 5 --oneline`\n* ✅ `sed -n '1,220p' docs/BEARING.md && printf '\\n--- METHOD ---\\n' && sed -n '1,220p' METHOD.md && printf '\\n--- backlog/asap ---\\n' && find backlog/asap -maxdepth 2 -type f -print | sort | sed -n '1,80p'`\n* ✅ `git diff -- pnpm-lock.yaml | sed -n '1,220p'`\n* ✅ `git status --porcelain=v1`\n* ✅ `nl -ba AGENTS.md | sed -n '45,105p' && nl -ba docs/BEARING.md | sed -n '1,55p' && nl -ba METHOD.md | sed -n '1,70p'`\n\n [View task →](https://chatgpt.com/s/cd_6a304c9475288191bc536de0558adb88)\n## Self-Code Review Pass 2\n\ncc @codex\n\nVerdict: no actionable findings.\n\n| Severity | File | Lines | Infraction | Recommended mitigation |\n|---:|---|---:|---|---|\n| N/A | N/A | N/A | Second review pass found no logic, race, edge-case, nondeterminism, duplication, separation-of-concerns, API, style, typing, or Markdown violations in `git diff origin/main...HEAD`. | No change requested. |\n\nEvidence reviewed:\n\n| Surface | Review result |\n|---|---|\n| `crates/warp-core/src/braid.rs` | `BraidMembershipEntry` remains a documented read projection, not an admission token. `Braid::membership_history()` derives accepted `MemberWoven` events from the event log. `Braid::apply(...)` remains the admission boundary. |\n| `crates/warp-core/src/lib.rs` | Crate-root export is narrow and matches the new public API surface. |\n| `crates/warp-core/tests/braid_public_api_tests.rs` | Regression proves accepted members appear in sequence order and rejected duplicate/late member events do not enter membership history. Test uses typed errors and avoids display-string behavior contracts. |\n| `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | GP3-S1 implementation boundary is explicit and does not claim GP3-S2 through GP3-S5 behavior. |\n| `docs/design/braids-and-strands-roadmap.md` | Only `GP3-S1` is checked. Later coordinate, diff, replay, recorder, and Causal X-Ray slices remain unchecked. |\n| `CHANGELOG.md` | Public API addition is recorded under Unreleased. |\n\nValidation for this pass:\n\n| Check | Result |\n|---|---:|\n| `git status --porcelain` | clean |\n| `git fetch origin --prune` | passed |\n| `git diff --check origin/main...HEAD` | passed |\n| `cargo fmt --all -- --check` | passed |\n| `cargo test -p warp-core --test braid_public_api_tests` | passed, 5/5 |\n| `cargo test -p warp-core --lib braid` | passed, 40/40 |\n| `cargo clippy -p warp-core --test braid_public_api_tests -- -D warnings` | passed |\n| `pnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | passed |\n| GitHub checks / CodeRabbit | all passing at review time |\n\nResidual risk is intentional scope, not a defect: this PR implements only GP3-S1. Historical coordinate lookup, membership diffs, replay/audit facts, Braid Flight Recorder output, and Causal X-Ray output remain later unchecked slices.\n### Summary\n\n* No code changes were made because the trigger’s explicit verdict was “no actionable findings,” and the PR comments/context did not request any mitigation.\n* I did not commit or create a new PR because there were no Codex-authored changes to commit. This preserves the repository’s standard-commit/no-rewrite guidance and avoids committing unrelated working-tree state. [AGENTS.mdL46-L51](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L46-L51)\n* I followed the repository context-recovery instructions by consulting `docs/BEARING.md`, `METHOD.md`, backlog state, recent git history, and status. [AGENTS.mdL80-L87](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L80-L87)\n* The working tree already has an unrelated uncommitted modification to `pnpm-lock.yaml`; I inspected it and left it untouched.\n\n**Testing / Checks**\n\n* ✅ `pwd && find .. -name AGENTS.md -print && git status --short && git log -n 5 --oneline`\n* ✅ `sed -n '1,180p' docs/BEARING.md && printf '\\n--- METHOD ---\\n' && sed -n '1,140p' METHOD.md && printf '\\n--- backlog/asap ---\\n' && find backlog/asap -maxdepth 2 -type f -print | sort | sed -n '1,80p'`\n* ✅ `git diff -- pnpm-lock.yaml | sed -n '1,160p'; printf '\\n--- status ---\\n'; git status --porcelain=v1; printf '\\n--- citations ---\\n'; nl -ba AGENTS.md | sed -n '46,104p'; printf '\\n--- bearing lines ---\\n'; nl -ba docs/BEARING.md | sed -n '1,48p'; printf '\\n--- method lines ---\\n'; nl -ba METHOD.md | sed -n '35,47p'`\n\n [View task →](https://chatgpt.com/s/cd_6a304e84d78c8191af1445eee99daf04)",{},"created",1781579508.726522,"Completing the task","event_type","info",{"_92":395,"_96":93,"_389":1757},{"_92":616,"_617":618},"partial_repo_snapshot","files",[619,620,621],{"_161":1664,"_622":-5,"_623":1665,"_625":-5},{"_161":696,"_622":-5,"_623":697,"_625":-5},{"_161":493,"_622":-5,"_623":624,"_625":-5},"contents","line_range_contents",[626],"missing_reason",{"_627":328,"_628":629,"_389":630,"_631":59},"line_range_start","line_range_end",81,[632,633,210,634,210,635,210,636,210,637,638,639,640,210,641,210,642,643,644,645,646,647,648,649,650,210,651,210,652,210,653,654,655,656,657,658,659,660,210,661,662,663,664,210,665,210,666,667,668,669,670,671,672,673,674,675,676,677,210,678,679,680,681,682,683,684,685,686,687,210,688,689,690,691,210,692,210,693,694,210,695],"contains_end_of_file","","","# METHOD","The Echo work doctrine: A backlog, a loop, and honest bookkeeping.","## Principles","- **The agent and the human sit at the same table.** Both matter. Both are named in every design.","- **Determinism is binary.** A system is either deterministic or it is not. Tests prove the inevitability.","- **The filesystem is the database.** A directory is a priority. A filename is an identity. Moving a file is a decision.","- **Process is calm.** No sprints or velocity theater. A backlog tiered by judgment, and a loop for doing it well.","## Structure","| Signpost | Role |","| :-------------------- | :-------------------------------------------------- |","| **`README.md`** | Public front door and project identity. |","| **`GUIDE.md`** | Orientation and productive-fast path. |","| **`BEARING.md`** | Current direction and active tensions. |","| **`VISION.md`** | Core tenets and the causal mission. |","| **`ARCHITECTURE.md`** | Authoritative structural reference. |","| **`CONTINUUM.md`** | Platform memo: hot/cold split and shared contracts. |","| **`METHOD.md`** | Repo work doctrine (this document). |","## Backlog","GitHub Issues are the live backlog. Labels are the index.","| Label | Purpose |","| :-------------------- | :----------------------------- |","| **`lane:inbox`** | Unprocessed work or raw ideas. |","| **`lane:asap`** | Pull into a cycle soon. |","| **`lane:up-next`** | Queued after `asap`. |","| **`lane:cool-ideas`** | Uncommitted experiments. |","| **`lane:bad-code`** | Technical debt. |","| **`lane:release`** | Release-bar work. |","Historical filesystem backlog cards are archived under","`docs/method/graveyard/github-issue-migration/`. The `docs/method/backlog/`","directory remains only as a compatibility marker for legacy `cargo xtask","method ...` workspace discovery. Do not add new live work cards there.","## The Cycle Loop","```mermaid","stateDiagram-v2"," direction LR"," [*] --> Pull: issue"," Pull --> Branch: cycle/"," Branch --> Design: template"," Design --> Red: failing tests"," Red --> Green: passing tests"," Green --> Retro: findings/debt"," Retro --> Ship: PR to main"," Ship --> [*]","```","1. **Pull**: Choose a GitHub Issue with Method labels. Create or update a"," design doc under `docs/design/` and link it to the issue.","2. **Branch**: Create a branch named from the issue title, or"," `cycle/-` when the work is explicitly cycle-shaped.","3. **Design**: Use `docs/method/design-template.md`.","4. **Red**: Write failing tests from the design's playback questions.","5. **Green**: Make them pass. Fix determinism drift with DIND when relevant.","6. **Witness**: Record the reproducible proof.","7. **Retro**: Document drift and follow-on debt.","8. **Ship**: Open a PR to `main`.","Design docs may define intent, but they do not prove implementation. Runtime","and product work must include at least one executable behavior witness such as","Rust API behavior, CLI output, WASM ABI behavior, schema validation, WAL/WSC","recovery, DIND determinism, or generated contract behavior.","## Naming Convention","Issues use readable titles and Method labels. Branches use lowercase slugs of","the issue title unless a cycle id is explicitly assigned.","Design docs use the Echo template at `docs/method/design-template.md`.","docs/BEARING.md",[698],{"_627":328,"_628":699,"_389":700,"_631":59},1206,[632,633,210,701,210,702,210,703,704,705,210,706,707,210,708,709,210,710,711,210,712,713,210,714,715,210,716,717,210,718,719,210,720,721,210,722,723,210,724,725,210,726,727,210,728,729,210,730,731,732,733,734,210,735,210,736,737,738,739,740,210,741,742,743,210,744,745,746,747,210,748,749,750,751,752,753,210,754,755,756,757,210,758,210,759,760,761,762,763,764,765,766,767,768,769,770,771,772,773,774,775,776,777,778,779,780,781,782,783,784,785,786,787,788,789,790,791,792,793,794,795,796,797,798,799,800,801,802,803,210,804,210,805,806,807,808,809,810,811,812,813,814,815,816,817,818,210,819,210,820,210,821,210,822,823,824,210,825,210,826,210,827,828,829,210,830,210,831,210,832,210,833,834,210,835,210,836,210,837,210,838,210,839,210,840,841,210,842,843,844,210,845,846,210,847,848,210,849,850,851,210,852,210,853,854,855,856,857,858,210,859,860,861,210,862,210,863,210,864,865,866,867,868,869,870,677,210,871,210,864,872,873,874,875,876,677,210,877,210,864,878,677,210,879,210,880,881,882,883,884,885,886,887,888,889,890,891,892,210,893,210,894,895,896,897,898,899,900,210,901,210,902,903,210,904,210,905,906,907,908,909,910,911,912,210,913,914,915,916,917,918,919,210,920,921,922,923,924,925,926,210,927,928,929,930,931,932,933,934,210,935,936,937,938,939,940,941,210,942,210,943,944,945,946,947,948,210,949,950,951,952,953,954,955,210,956,957,958,959,960,961,962,210,963,964,965,966,967,968,969,210,970,971,972,973,974,975,976,210,977,210,978,979,980,981,982,983,984,210,985,986,987,988,989,990,991,210,992,993,994,995,996,997,998,999,210,1000,1001,1002,1003,1004,1005,1006,210,1007,1008,1009,1010,1011,1012,1013,1014,210,1015,210,1016,1017,1018,1019,1020,1021,210,1022,1023,1024,1025,1026,1027,210,1028,1029,1030,1031,1032,1033,210,1034,1035,1036,1037,1038,1039,210,1040,1041,1042,1043,1044,1045,210,1046,210,1047,1048,1049,1050,1051,210,1052,1053,1054,1055,210,1056,1057,1058,1059,1060,210,1061,1062,1063,1064,1065,210,1066,1067,1068,1069,1070,1071,210,1072,210,1073,1074,1075,1076,1077,210,1078,1079,1080,1081,1082,210,1083,1084,1085,1086,1087,210,1088,1089,1090,1091,1092,1093,210,1094,1095,1096,1097,1098,1099,210,1100,210,1101,1102,1103,1104,1105,1106,210,1107,1108,1109,1110,1111,1112,1032,1113,210,1114,1115,1116,1117,1118,1032,1119,210,1120,1121,1122,1123,1124,210,1125,1126,1127,1128,1129,210,1130,210,1131,1132,1133,1134,1135,1136,210,1137,1138,1139,1140,1141,1142,1143,210,1144,1145,1146,1147,1148,210,1149,1150,1151,1152,1153,210,1154,1155,1156,1157,1158,1159,210,1160,210,1161,1162,1163,1164,1165,1166,210,1167,1168,1169,1170,1171,1172,210,1173,1174,1175,1176,1177,1178,1179,1180,210,1181,1182,1183,1184,1185,1186,1187,210,1188,1189,1190,1191,1192,1193,1194,210,1195,210,1196,1197,1198,1199,1200,210,1201,210,1202,1203,1204,1133,1205,1206,1207,1208,1209,210,1210,1211,1212,1213,1214,1215,1216,210,1217,1218,1219,1220,1221,1222,1223,1224,210,1225,1226,1227,1228,1229,1230,1231,210,1232,1233,1234,1235,1236,1237,1238,210,1239,210,1240,1241,1242,1243,1244,1245,1246,210,1247,1248,1249,1250,1251,1252,1253,210,1254,1255,1256,1257,1258,1259,1260,210,1261,1262,1263,1264,1265,1266,1267,210,1268,1269,1270,1271,1272,1273,210,1274,210,1275,1276,1277,1278,1279,1280,1281,210,1282,1283,1284,1285,1286,1287,1288,210,1289,1290,1291,1292,1293,1294,1014,210,1295,1296,1297,1298,1299,1300,1301,210,1302,1303,1304,1305,1306,1307,1308,210,1309,210,1310,1311,1312,1313,1314,1315,1316,210,1317,1318,1319,1320,1321,1322,1323,210,1324,1325,1326,1327,1328,1329,1330,210,1331,1332,1333,1091,1334,1335,1336,210,1337,1338,1339,1340,1341,1342,1343,210,1344,210,1345,1346,1347,1348,1349,1350,1351,1014,210,1352,1353,1354,1355,1356,1357,210,1358,1359,1360,1361,1362,1363,210,1364,1365,1366,1367,1368,1369,210,1370,1371,1372,1373,1374,1375,210,1376,210,1377,1378,1379,1380,1381,1382,210,1383,1384,1385,1386,1387,1388,210,1389,1390,1391,1392,1393,1394,210,1395,1396,1397,1398,1399,1400,210,1401,1402,1403,1404,1405,1406,210,1407,210,1408,1409,1410,1411,1412,1413,210,1414,1415,1416,1417,1418,1419,1420,1421,1014,210,1422,1423,1424,1425,1426,1427,210,1428,1429,1430,1431,1432,1433,210,1434,1435,1436,1437,1438,210,1439,210,1440,1441,1442,1443,1444,1445,210,1446,1447,1448,1449,1450,1451,210,1452,1453,1454,1455,1456,1457,210,1458,1459,1460,1461,1462,1463,210,1464,1465,1466,1467,1468,1469,210,1470,210,1471,1472,1473,1474,1475,1476,1477,1478,210,1479,1480,1481,1482,1483,1484,1485,1032,1486,210,1487,1488,1489,1490,1491,1492,1493,1032,1494,1495,210,1496,1497,1498,1499,1500,1501,1502,210,1503,1504,1505,1506,1507,1508,1509,210,1510,1511,1512,1513,1514,1515,210,1516,1517,1518,1519,1520,1521,210,1522,1523,1524,1525,1526,1527,1528,210,1529,1530,1531,1532,1533,1534,1535,1536,1537,210,1538,1539,1540,1541,1542,1543,1544,210,1545,210,1546,210,1547,1548,1549,210,1550,210,1551,1552,1553,210,1554,210,1555,1556,1557,210,1558,210,1559,1560,210,1561,210,1562,1563,1564,210,1565,210,1566,1567,1568,1569,210,157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BEARING","Last updated: 2026-06-15.","This signpost summarizes current direction. It does not create commitments or","replace backlog items, design docs, retros, or CLI status. If it disagrees with","code, the code wins and this file should be corrected.","The WARP paper-to-Echo noun map is maintained in","`docs/design/warp-optic-implementation-map.md`.","The post-PR #545 strands and braids hardening roadmap is maintained in","`docs/design/braids-and-strands-roadmap.md`.","Its goalpost design packet is maintained under","`docs/design/braids-and-strands-hardening/`.","The feature bar for the eventual `v0.1.0` release is maintained in","`docs/design/v0.1.0-release-plan.md`.","The current external release gate is maintained in","`docs/design/v0.1.0-jedit-release-gate.md`.","Trusted runtime-control history is defined in","`docs/design/trusted-runtime-control-history.md`.","The causal WAL doctrine and recovery design is defined in","`docs/design/causal-wal-end-to-end.md`.","The Echo-owned file aperture design is defined in","`docs/design/echo-owned-file-aperture.md`.","The WAL/WSC storage relationship is tracked in","`docs/method/backlog/v0.1.0/PLATFORM_wal-wsc-storage-relationship.md`.","The next ten jedit release-gate slices are planned in","`docs/design/v0.1.0-jedit-next-ten-slices.md`.","The current sequencing filter for audited work items is maintained in","`docs/design/work-item-sequencing-and-prioritization.md`.","The filesystem lane for release-bar backlog cards is","`docs/method/backlog/v0.1.0/`.","The production-core app-noun guard is `scripts/check-no-app-nouns-in-core.sh`.","It checks that hardcoded jedit/Stack Witness fixture shortcuts stay out of","Echo crate source. The guard is intentionally production-source-scoped: tests","and docs may still carry app-shaped fixtures as external-consumer examples,","but production Echo code must remain generic.","## Current Bearing","The active architecture hardening focus is the post-PR #545 braids and strands","campaign. Track progress through the goalpost and slice checklist in","`docs/design/braids-and-strands-roadmap.md`. Each goalpost has a focused design","document under `docs/design/braids-and-strands-hardening/`; implementation PRs","must check off slices in the roadmap only when the slice actually lands.","This hardening campaign does not replace the `v0.1.0` external-app release","gate. It protects the newly landed strand, braid, proof, sealed-member,","identity, witness, and plurality surfaces before more callers depend on them.","Echo has a local witnessed intent pipeline into deterministic execution:","application ingress can become witnessed submission history, lawful admission","evidence, ticketed runtime ingress, scheduler-owned handler dispatch, receipt","correlation, and observable intent outcome.","The release priority remains proving that pipeline with `jedit` as a real external","consumer. The in-repo external fixture remains valuable, but it is no longer","the `v0.1.0` release gate. Echo is not ready to release until jedit can submit","an application-owned contract intent, let a trusted Echo host authorize","scheduler opportunities, observe the outcome, query a bounded reading, retain","evidence, and replay the result without moving application nouns into Echo core.","The immediate durability hill is Echo's causal WAL: Echo may only claim what","its WAL can recover. The WAL must make accepted submissions, tick outcomes,","runtime posture, retained-material references, and side-effect authorization","crash-recoverable without giving applications tick or WAL authority.","## What Is Already True","- Echo has deterministic execution through `WorldlineRuntime`,"," `SchedulerCoordinator::super_tick(...)`, and `Engine::commit_with_state(...)`.","- Application-facing `dispatch_intent(...)` submits canonical EINT bytes; it does"," not tick the runtime.","- Trusted runtime control owns scheduler runs through the separate"," `TrustedKernelControlPort` boundary.","- Fixed logical timestep doctrine exists. Wall-clock cadence is host/runtime"," owner policy, not semantic Echo history.","- Tick receipts exist and witness scheduler-owned candidate outcomes.","- Scheduler-owned tick receipts can be correlated back to ticketed runtime"," ingress records, admission ticket digests, and witnessed submission ids.","- Core can observe a witnessed submission as unknown, pending, or decided by a"," scheduler-owned tick receipt.","- Core exposes scheduler-owned EINT contract-host helpers so installed"," `cmd/*` handlers can match operation ids, borrow canonical vars bytes for"," generated decoding, and declare the standard runtime-ingress read footprint.","- `echo-wesley-gen --contract-host` emits std-only mutation helper rules for"," that seam: stable command-rule names, op-id matchers, typed vars decoders,"," base runtime-ingress read footprints, and rule constructors that accept"," host-supplied executor and footprint functions.","- Core routes `QueryView`/`Query` observations to installed contract query"," observers keyed by generated query op id. Observers receive canonical vars"," bytes and the resolved causal basis, emit `QueryBytes`, and stamp the"," `ReadingEnvelope` with authored observer plan identity.","- App-safe observation and WASM ABI surfaces carry generic retained-evidence"," posture for installed contract QueryView readings. The envelope names"," missing reading-envelope coordinates and missing reading-payload content"," refs without exposing trusted runtime control or importing application nouns.","- `echo-wesley-gen --contract-host` emits std-only query observer helpers for"," that seam: deterministic authored observer plan identity, typed context-vars"," decoders, and read-only observer constructors that install host closures into"," `warp-core`.","- Footprint conflicts are explicit receipt rejections, not hidden retries.","- Failed `SuperTick` attempts are failure-atomic: uncommitted runtime,"," provenance, and receipt-correlation writes are rolled back before any fault"," posture is recorded.","- Scoped internal scheduler faults quarantine the culprit writer head. Healthy"," unrelated heads remain eligible for later scheduler-owned ticks.","- Unscoped scheduler faults quarantine the runtime until trusted recovery.","- The optic admission ladder resolves through AdmissionTicket and currently"," can stage ticketed runtime ingress through an explicit runtime-owner authority"," token without ticking.","- Echo implements the WARP paper's application/compiler seam with generated"," request helpers, mutation host helpers, and query observer host helpers while"," keeping Echo core free of application nouns.","## What Is Not Yet True","- Accepted submissions are not yet durable restart-proof ingress history;"," current replay records prove deterministic import shape, not persistence.","- Product-facing clients do not yet have polished ABI/helper surfaces for"," per-intent applied/rejected semantics.","- Contract-aware obstruction taxonomy and product-facing error surfaces still"," need release-grade stabilization.","- The semantic retention layer is local and in-memory. App-safe readings can"," now report generic missing-retention posture, but durable retained artifact,"," witness, receipt, and reading recovery remains future work.","- Generic external contract proof exists, but the release gate now requires"," real `jedit` follow-through from the sibling repository. jedit now has a"," local app/host split for its opt-in real-WASM witness; the remaining gap is"," moving from the old stack-witness fixture shape to retained evidence, replay,"," and a jedit-owned generated contract path.","## Doctrine","Echo accepts intent submissions as witnessed ingress history.","Application-authored optics do not create ticks.","Application-authored surfaces may declare runtime-retained consequence","obligations, including receipt obligations. Echo satisfies those obligations","only through trusted runtime-owned execution.","Echo does not execute submissions synchronously.","Echo's trusted runtime owner controls tick boundaries.","Start, Stop, SetCadence, and DrainUntilIdle are trusted runtime-control","history. They authorize or suspend scheduler opportunities; they do not create","ticks and they are not application/domain intents.","A tick receipt witnesses the scheduler-owned decision.","A rejected candidate remains witnessed history.","Rollback is tick-local cleanup of an uncommitted failed scheduler transaction.","Quarantine is runtime-local control posture after an internal fault. Durable","fault evidence remains a follow-up control-plane/provenance boundary.","Lawful rejection is not a fault.","Fault recovery is trusted runtime control, not application behavior.","Retry is a new explicit causal act.","AdmissionTicket is not execution.","TickReceipt is not AdmissionTicket.","QueryView remains an observer-relative read. It does not mutate state, tick the","runtime, or execute handlers outside scheduler-owned writes.","QueryView/Query routes to installed contract query observers when a matching","observer is registered. This is a real bridge, not the full observer-rights or","revelation lattice.","Transport arrival is not semantic Echo history. Echo acceptance is semantic","ingress history.","Submission order may be witnessed. Submission order must not decide scheduler","order.","Continuum is the protocol-shaped causal medium. Echo is a concrete","deterministic WARP runtime implementation for that medium, not the primary","runtime of Continuum and not an application framework.","## Cross-Repo Optic Admission Role","Echo owns runtime-local optic admission behavior. Wesley compiles artifacts and","registration descriptors; Echo registers them, returns runtime-local handles,","admits or obstructs invocations, instruments access, and emits witnesses or","readings. Authority layers issue grants and capability presentations.","Applications such as jedit hide artifact handles, basis references, and runtime","coordinates behind product-facing adapters.","Echo should not wait on a new Wesley product lane for the installed registry","boundary. Coordinate with Wesley only when artifact identity, generated helper","shape, or footprint compatibility changes.","## Pipeline","Evidence phase:","```text","canonical EINT","-> witnessed submission","-> admission gates","-> scheduler work candidate","-> law witness","-> admission ticket","Runtime phase:","admission ticket","-> ticketed runtime ingress","-> scheduler-owned tick","-> tick receipt","-> observable intent outcome","The hinge is:","AdmissionTicket + witnessed submission -> ticketed runtime ingress","## Roadmap Status","| Area | Status | Notes |","| :----------------------------- | :------- | :------------------------------------------------------------------------------------------------------------------------ |","| WitnessedIntentSubmission | Partial | Runtime records witnessed submissions and restores local persistence images; host durable storage remains follow-up work. |","| SchedulerWorkCandidate | Complete | The admission ladder can resolve the scheduler work candidate fixture. |","| LawWitness | Complete | The admission ladder can resolve the law witness fixture. |","| AdmissionTicket | Complete | Echo can issue `OpticAdmissionTicket` evidence without executing. |","| TicketedRuntimeIngress | Complete | Ticketed ingress stages admitted submissions through runtime-owner authority without ticking. |","| ReceiptCorrelation | Complete | Scheduler-owned tick receipts correlate back to ticketed ingress, tickets, and submissions. |","| IntentOutcomeObservation | Complete | Core exposes read-only product outcome states with applied/rejected receipt evidence and typed obstructions. |","| InstalledContractHostDispatch | Complete | Installed packages can dispatch mutation handlers through witnessed, ticketed, scheduler-owned ticks. |","| ConflictPolicy / ExplicitRetry | Partial | Tick-scale conflict rejection is final and blocker-attributed; user-facing retry helpers remain future. |","| QueryViewObserverBridge | Complete | Core routes QueryView/Query to installed observers, and Wesley emits host helper constructors. |","| Replay/DIND proof | Partial | Local installed intent pipeline replay converges; broader DIND/replay closure remains future work. |","## Future Scope Boundaries","- Replica transport/import optics, settlement shells, adversarial transport,"," and idempotent import of already-adjudicated outcomes remain future work.","- Durable control-plane/provenance fault evidence remains future work; current"," scheduler fault quarantine is runtime-local posture.","- Ephemeral Scratch, Author-Only Speculative Lane, and Shared/Admitted Lane are"," paper-level privacy/runtime policy concepts. The local contract-host pipeline"," does not yet implement that full social lane model.","## Causal WAL Forty-Five Slice Plan","Track progress here. Check off slices just before committing the slice that","satisfies its acceptance criteria.","### PR 1: Doctrine And Grammar","- [x] **Slice 1: WAL doctrine hardening**"," - User story: As an Echo maintainer, I need the WAL doctrine to forbid"," semantic confusion before code exists."," - Acceptance criteria: records are recorded, transactions are committed,"," submission acceptance stays distinct from runtime admission, read-only"," recovery cannot truncate, and explicit durable outboxes are allowed."," - Test plan: `git diff --check`; stale-term grep for forbidden record names"," and intake/admission blur.","- [x] **Slice 2: Record grammar and naming spec**"," - User story: As an implementer, I need WAL record names that do not imply"," history before commit."," - Acceptance criteria: ordinary record names use `*Recorded` or equivalent;"," no causal record kind uses `*Committed`; `WalTransactionCommit` is the"," only commit boundary."," - Test plan: unit/schema-linter tests reject misleading record names.","- [x] **Slice 3: Transaction shape and affected frontiers**"," - User story: As a recovery implementer, I need commit markers to bind the"," exact frontiers affected by each transaction."," - Acceptance criteria: first-cut transactions are contiguous, non-interleaved,"," and bind `affected_frontiers` or `affected_frontiers_root`."," - Test plan: transaction fixtures prove intake, tick, posture, and checkpoint"," transactions bind distinct frontier kinds.","- [x] **Slice 4: `WalStorePort` contract**"," - User story: As a storage adapter author, I need a port contract that makes"," strict durability impossible to fake."," - Acceptance criteria: port shape covers writer epoch acquisition, append,"," flush commit, segment reads, sealing, truncation, manifest publication, and"," epoch close; object-store conditional manifest rules are named."," - Test plan: compile-contract tests for the trait once implemented; docs grep"," for all required operations.","- [x] **Slice 5: Release-gate witness list**"," - User story: As a reviewer, I need named crash and recovery witnesses before"," implementation starts."," - Acceptance criteria: BEARING and WAL design name crash-before-ACK,"," read-only recovery, checkpoint validation, materialization replay,"," overlapping writer epoch, strict object-store, and record-name witnesses."," - Test plan: doc assertions or grep checks for every witness name.","### PR 2: WAL Core In Memory","- [x] **Slice 6: Core WAL identifiers and record kinds**"," - User story: As a runtime developer, I need typed WAL identifiers and record"," kinds before writing frames."," - Acceptance criteria: `Lsn`, `WalTransactionId`, `WriterEpochId`,"," `WalRecordKind`, and durable mode/posture types exist without app nouns."," - Test plan: unit tests prove record-kind vocabulary and app-noun guard.","- [x] **Slice 7: Frame metadata and digest domains**"," - User story: As a recovery implementer, I need frames that separate torn"," writes from semantic commitment."," - Acceptance criteria: frame headers bind LSN, transaction id, local index,"," record kind, payload digest, previous frame digest, codec/schema identity,"," and redaction posture."," - Test plan: frame metadata round-trip and digest-domain tests.","- [x] **Slice 8: Record payload and transaction builder**"," - User story: As Echo, I need a transaction builder that records payloads"," before committing them."," - Acceptance criteria: contiguous transaction builder appends records,"," computes payload roots, and refuses append-after-commit."," - Test plan: transaction builder tests for order, record count, and closed"," transaction behavior.","- [x] **Slice 9: Commit marker validation**"," - User story: As recovery, I need commit markers that can be checked before"," replay."," - Acceptance criteria: commit marker validates first/last LSN, record count,"," records root, affected frontier root, previous commit digest, and durability"," mode."," - Test plan: fixtures fail on mismatched LSN range, count, roots, and chain.","- [x] **Slice 10: In-memory `WalStorePort`**"," - User story: As a test writer, I need deterministic WAL behavior without"," filesystem complexity."," - Acceptance criteria: in-memory store appends frames, flushes commits,"," exposes segment streams, simulates torn tails, and never claims filesystem"," strictness."," - Test plan: port tests for append/read/flush and synthetic crash tails.","### PR 3: Recovery Foundation","- [x] **Slice 11: Writer epoch fencing model**"," - User story: As Echo, I need stored evidence proving which writer had append"," authority."," - Acceptance criteria: writer epochs bind fencing token, process identity,"," host identity, previous epoch id, previous final commit digest, and lease or"," lock evidence."," - Test plan: overlapping epoch recovery fixture blocks recovery.","- [x] **Slice 12: Recovery scanner and tail posture**"," - User story: As Echo, I need recovery to group committed transactions and"," classify incomplete tails by mode."," - Acceptance criteria: writable recovery may truncate validated incomplete"," tails; read-only recovery reports would-truncate without mutating storage."," - Test plan: `read_only_recovery_reports_uncommitted_tail_without_truncating`"," and torn-tail tests.","- [x] **Slice 13: Pure replay reducer skeleton**"," - User story: As Echo, I need replay to apply facts, not rerun scheduler or"," application callbacks."," - Acceptance criteria: `apply_committed_transaction(before, tx) -> after`"," exists as a pure reducer boundary with no wall clock, random, network,"," scheduler, app callback, or external I/O dependency."," - Test plan: deterministic replay tests compare repeated reduction over the"," same committed transactions.","- [x] **Slice 14: Semantic transaction validators**"," - User story: As recovery, I need semantic checks after bytes and digests pass."," - Acceptance criteria: validators check record kind authority, affected"," frontiers, retained-material refs, submission identity, and tick authority"," posture before replay."," - Test plan: invalid causal transaction fixtures block recovery even with"," valid frame checksums.","- [x] **Slice 15: WAL schema and authority linter**"," - User story: As a reviewer, I need mechanical protection against app nouns"," and authority leaks."," - Acceptance criteria: linter rejects app/product nouns and authority-leak"," record names such as app tick, client runtime control, application receipt,"," or document state delta."," - Test plan: passing generic fixture and failing forbidden-noun/authority"," fixtures.","### PR 4: Submission Durability","- [x] **Slice 16: Submission acceptance transaction**"," - User story: As an app, if Echo returns accepted evidence, I need that"," acceptance to survive restart."," - Acceptance criteria: `submit_intent` writes `SubmissionAcceptedRecorded`"," before returning accepted evidence."," - Test plan: `accepted_submission_is_not_returned_before_wal_commit`.","- [x] **Slice 17: Accepted pending recovery**"," - User story: As Echo, accepted-but-not-ticked submissions must recover as"," pending."," - Acceptance criteria: pending inbox rebuilds from committed acceptance"," transactions without transport re-arrival."," - Test plan: `crash_after_submission_commit_recovers_pending_submission`.","- [x] **Slice 18: Crash-before-ACK retry posture**"," - User story: As a client, retry after crash-before-ACK must be deterministic."," - Acceptance criteria: same submission id plus same envelope returns stable"," duplicate posture after recovery."," - Test plan:"," `crash_after_submission_commit_before_ack_retry_returns_duplicate_posture`.","- [x] **Slice 19: Submission idempotency rules**"," - User story: As Echo, I must not collapse intentional repeated intents."," - Acceptance criteria: same id plus different envelope is protocol violation;"," new id plus same envelope is new unless explicit dedupe policy says"," otherwise."," - Test plan: `same_payload_new_submission_id_is_not_duplicate_without_policy`.","- [x] **Slice 20: Submission recovery certificate posture**"," - User story: As a host, I need restart output that explains recovered"," submission counts and posture."," - Acceptance criteria: recovery certificate reports pending, decided,"," rejected, obstructed, and faulted submission counts."," - Test plan: recovery certificate fixtures for clean and obstructed intake.","### PR 5: Tick Transactions","- [x] **Slice 21: Tick transaction staging**"," - User story: As Echo, scheduler outputs must remain staged until WAL commit."," - Acceptance criteria: tick receipts, state deltas, correlations, and retained"," refs are staged before publish."," - Test plan: `crash_before_tick_commit_commits_no_receipt`.","- [x] **Slice 22: Tick commit publish boundary**"," - User story: As an observer, visible receipts must imply recoverable receipts."," - Acceptance criteria: indexes publish only after tick transaction flush."," - Test plan: `crash_after_tick_commit_recovers_receipt_and_state_delta`.","- [x] **Slice 23: Receipt correlation rebuild**"," - User story: As a debugger/app, receipt correlation must survive restart."," - Acceptance criteria: receipt-by-submission, receipt-by-ticket, and"," ticket-by-submission indexes rebuild from committed WAL transactions."," - Test plan: `committed_receipt_correlation_rebuilds_after_restart`.","- [x] **Slice 24: Tick rollback compatibility**"," - User story: As Echo, WAL must not weaken failure-atomic tick rollback."," - Acceptance criteria: failed attempted ticks commit no partial tick"," transaction; scoped fault quarantine remains separate runtime posture."," - Test plan: existing rollback/quarantine tests plus WAL no-partial fixtures.","- [x] **Slice 25: Lawful rejection persistence**"," - User story: As Echo, lawful conflict/rejection is history, not an internal"," fault."," - Acceptance criteria: rejected candidates commit receipt evidence and do not"," quarantine heads."," - Test plan: conflict receipt recovery fixture and `lawful_rejection_does_not_fault_head`.","### PR 6: Retention And Readings","- [x] **Slice 26: Retained material ordering**"," - User story: As recovery, committed material refs must point at durable"," material or typed obstruction."," - Acceptance criteria: material is durable before committed WAL reference."," - Test plan: `missing_retained_material_returns_typed_obstruction`.","- [x] **Slice 27: Reading ref recovery**"," - User story: As an observer, retained reading refs must survive restart."," - Acceptance criteria: reading refs rebuild by semantic coordinate and"," retained material digest."," - Test plan: retained QueryView reading lookup after recovery.","- [x] **Slice 28: Semantic identity versus CAS identity**"," - User story: As Echo, byte identity must not masquerade as query identity."," - Acceptance criteria: semantic coordinate and CAS digest remain distinct in"," WAL records and rebuilt indexes."," - Test plan: same payload with different query coordinate remains distinct.","- [x] **Slice 29: Security and redaction posture**"," - User story: As an operator, I need to distinguish missing evidence from"," policy-hidden evidence."," - Acceptance criteria: present, redacted, encrypted-key-unavailable, missing,"," corrupt, and obstructed postures exist."," - Test plan: recovery/inspection fixtures for each posture.","- [x] **Slice 30: Retention obstruction scope matrix**"," - User story: As recovery, missing material should fault only at the correct"," scope."," - Acceptance criteria: payload, receipt, state-delta, runtime-control, and"," diagnostic material failures map to documented obstruction/fault scope."," - Test plan: scoped missing-material fixture suite.","### PR 7: Checkpoints And Inspector","- [x] **Slice 31: Checkpoint writer**"," - User story: As Echo, checkpoints should accelerate replay without creating"," history."," - Acceptance criteria: temp write, fsync, atomic rename, directory fsync, and"," checkpoint binding to WAL chain are implemented."," - Test plan: checkpoint round-trip and corrupt checkpoint fallback tests.","- [x] **Slice 32: Checkpoint validation without publication record**"," - User story: As recovery, valid checkpoint files should remain usable after"," crash before publication evidence."," - Acceptance criteria: validated checkpoint can be used without"," `CheckpointPublicationRecorded`; publication record remains audit/index"," evidence."," `valid_checkpoint_without_checkpoint_published_record_can_be_used_after_validation`.","- [x] **Slice 33: Checkpoint publication obstruction**"," - User story: As recovery, publication evidence must not lie about missing or"," invalid checkpoint material."," - Acceptance criteria: publication without checkpoint blocks or obstructs by"," documented scope."," `checkpoint_published_without_checkpoint_blocks_or_obstructs_according_to_scope`.","- [x] **Slice 34: Recovery certificate**"," - User story: As jedit/operator/debugger, I need a precise restart report."," - Acceptance criteria: certificate reports checkpoint, LSN range, replayed"," transactions, tail posture, obstruction count, and final roots."," - Test plan: clean, tail-truncated, and obstructed recovery certificates.","- [x] **Slice 35: Read-only WAL inspector**"," - User story: As an operator, I need inspection without mutating storage."," - Acceptance criteria: `echo wal doctor --json`, `inspect`, and read-only"," recovery report posture without truncation."," - Test plan: inspector reports would-truncate and leaves files unchanged.","### PR 8: Filesystem And Object Stores","- [x] **Slice 36: Filesystem WAL adapter**"," - User story: As Echo, strict filesystem durability must use real fsync"," boundaries."," - Acceptance criteria: segment creation, append, file fsync, rename, and"," directory fsync are explicit."," - Test plan: filesystem crash fixtures for torn frame and missing segment.","- [x] **Slice 37: Object-store manifest adapter**"," - User story: As Echo, strict object-store durability must not pretend fsync"," exists."," - Acceptance criteria: content-addressed object writes, version/ETag"," verification, conditional manifest commit, and read-after-write posture are"," required."," - Test plan: `strict_object_store_requires_conditional_manifest_commit`.","- [x] **Slice 38: Segment repair and truncation protocol**"," - User story: As recovery, tail repair must be explicit and mode-sensitive."," - Acceptance criteria: writable stores can truncate incomplete tails; read-only"," stores can only report would-truncate."," - Test plan: segment-gap, duplicate-segment, and torn-tail matrix.","- [x] **Slice 39: Crash matrix harness**"," - User story: As Echo, lifecycle ambiguity must be testable at every boundary."," - Acceptance criteria: harness injects crash points around submit, tick,"," checkpoint, material, and index publication."," - Test plan: generated crash matrix suite.","- [x] **Slice 40: WAL shadow replay in CI**"," - User story: As a maintainer, every mutating integration path should prove"," live state equals replayed state."," - Acceptance criteria: selected tests run live scenario, replay WAL into fresh"," runtime, and compare state/index/receipt/reading roots."," - Test plan: CI slice for shadow replay.","### PR 9: Outbox, Tooling, And Jedit Gate","- [x] **Slice 41: Side-effect outbox core**"," - User story: As Echo, external effects must be authorized by committed"," history before escaping."," - Acceptance criteria: durable outbox records effect id, expected artifact,"," materialization intent, and idempotency token."," - Test plan: `external_effect_requires_committed_outbox_authorization`.","- [x] **Slice 42: Materialization observation replay detection**"," - User story: As recovery, existing external artifacts should be detected"," before retry."," - Acceptance criteria: recovery verifies path, digest, and metadata before"," retrying or recording observation."," - Test plan: `materialization_replay_detects_existing_artifact_before_retry`.","- [x] **Slice 43: Causal commit evidence projection**"," - User story: As [warp-ttd], I need Echo-projected commit evidence, not raw"," WAL access."," - Acceptance criteria: Echo exposes `CausalCommitEvidence` and recovery"," posture through read-model facts; no raw segment path or recovery authority"," is required."," - Test plan: accepted pending, decided applied, rejected, obstructed, faulted,"," and durability-unknown projection fixtures.","- [x] **Slice 44: `jedit` WAL recovery gate**"," - User story: As [jedit], after crash/restart I need submitted edits to"," recover as not accepted, accepted pending, applied, rejected, or obstructed."," - Acceptance criteria: stable submission id, recovered posture, export from"," committed causal basis, no jedit nouns in Echo core."," - Test plan: sibling `jedit` crash/restart fixture and retry-after-ACK-loss"," fixture.","- [x] **Slice 45: WAL release readiness audit**"," - User story: As an operator, I need a final audit before trusting the WAL as"," the jedit durability foundation."," - Acceptance criteria: all WAL release gates pass, docs match code, app-noun"," guard is green, and deferred post-WAL scope is explicit."," - Test plan: full WAL slice suite, `cargo xtask test-slice`, app-noun guard,"," DIND/replay where available, and cross-repo jedit witness.","### No-Count WAL Hardening Plan","The WAL hardening matrix is tracked in","[`docs/design/causal-wal-hardening-matrix.md`](design/causal-wal-hardening-matrix.md).","This planning slice does not consume one of the twenty hardening slices. Agents","must keep the checklist below and the plan document aligned before committing a","completed slice.","### PR 10: WAL Fixture And Corpus Hardening","- [x] **Slice 46: WAL hardening fixture surface**"," - User story: As an Echo maintainer, I need deterministic fixtures that can"," build valid WAL histories and damage them at exact byte/transaction"," - Acceptance criteria: fixtures create filesystem WAL roots, append committed"," transactions, append uncommitted tails, truncate/corrupt segments, recover"," read-only/writable reports, and name every scenario in assertion failures."," - Test plan: fixture recovery, uncommitted-tail, torn-tail, and read-only"," non-mutation witnesses.","- [x] **Slice 47: WAL recovery golden corpus**"," - User story: As Echo, I need a fixed corpus of minimal WAL shapes that"," proves recovery posture across clean, partial, and corrupt histories."," - Acceptance criteria: clean, empty, tail, torn, corrupt digest, bad magic,"," and unknown-kind corpus cases assert transaction count, LSNs, posture, and"," blocking/inspectable status."," - Test plan: `wal_recovery_golden_*` fixtures listed in the hardening matrix.","- [x] **Slice 48: Submission ACK crash matrix**"," - User story: As an app retrying after a crash, I need Echo to distinguish"," never accepted from accepted-before-ACK."," - Acceptance criteria: recovery never invents accepted evidence before"," commit; retry after commit-before-ACK is stable; conflicting retry is a"," protocol violation; same envelope with new id is not deduped without"," policy."," - Test plan: submission intake crash matrix fixtures.","- [x] **Slice 49: Tick commit and publish crash matrix**"," - User story: As Echo, visible tick outcomes must imply committed"," recoverable history."," - Acceptance criteria: tick receipt, runtime delta, receipt correlation, and"," index publication boundaries are tested; commit-before-publish rebuilds"," indexes; uncommitted tick attempts do not become history."," - Test plan: tick commit/publish crash fixtures.","- [x] **Slice 50: Segment corruption matrix**"," - User story: As recovery, segment corruption must produce deterministic"," posture instead of panic, silent skip, or partial history."," - Acceptance criteria: torn header, torn payload, torn digest, bad magic,"," corrupt digest, unknown disk kind, segment gap, and duplicate segment cases"," are covered; read-only recovery never mutates files."," - Test plan: segment corruption matrix fixtures.","### PR 11: WAL Semantic And Checkpoint Hardening","- [x] **Slice 51: Writer epoch fencing matrix**"," - User story: As Echo, recovery must detect split-writer evidence instead of"," merging conflicting histories."," - Acceptance criteria: epoch metadata includes fencing evidence; overlapping"," epochs, unknown previous epochs, chain gaps, and fencing mismatches fault"," deterministically."," - Test plan: writer epoch fencing fixtures.","- [x] **Slice 52: Transaction contiguity and commit semantics**"," - User story: As Echo, only complete contiguous committed WAL transactions"," become history."," - Acceptance criteria: frames are contiguous; commit binds LSN range, count,"," and records root; interleaving is rejected; record names never imply"," committed history."," - Test plan: transaction contiguity and commit mismatch tests.","- [x] **Slice 53: Semantic validator negative cases**"," - User story: As Echo, byte-valid WAL transactions must still be rejected if"," they violate runtime law."," - Acceptance criteria: digest-valid semantic violations are rejected for"," authority, transaction kind, runtime-control, and frontier-transition"," mismatches."," - Test plan: semantic validator negative fixtures.","- [x] **Slice 54: Checkpoint crash matrix**"," - User story: As recovery, checkpoints must accelerate replay without"," creating or erasing history."," - Acceptance criteria: crash-before-rename, rename-before-publication,"," missing material, corrupt latest checkpoint, and checkpoint-ahead-of-WAL"," cases are covered."," - Test plan: checkpoint crash matrix fixtures.","- [x] **Slice 55: Retained material before reference matrix**"," - User story: As Echo, committed references must not point at unavailable"," retained material without typed obstruction."," - Acceptance criteria: missing payload, receipt, state-delta, reading,"," checkpoint, and diagnostic material map to documented scopes."," - Test plan: retained material obstruction fixtures.","### PR 12: WAL Outbox, Projection, And Inspector Hardening","- [x] **Slice 56: Side-effect outbox crash matrix**"," - User story: As Echo, external effects must never escape before committed"," authorization and must be idempotent after crash."," - Acceptance criteria: effect authorization, existing artifact detection,"," mismatch obstruction, observation commit, and idempotency token behavior"," are covered."," - Test plan: side-effect outbox crash fixtures.","- [x] **Slice 57: Recovery reducer determinism**"," - User story: As Echo, replay must apply committed facts without scheduler"," callbacks, wall clock, random, network, or app code."," - Acceptance criteria: pure replay is deterministic; transaction ordering is"," commit-chain order; frontier mismatch rejects; no app/scheduler callback is"," needed."," - Test plan: pure replay determinism fixtures.","- [x] **Slice 58: Shadow replay harness**"," - User story: As a maintainer, every mutating WAL path should prove live"," state equals recovered state."," - Acceptance criteria: helper runs live scenario, recovers from WAL, compares"," roots/indexes/receipts/readings, and reports first mismatch."," - Test plan: submission, tick, retention, outbox, and mismatch shadow replay","- [x] **Slice 59: Causal commit evidence projection matrix**"," - User story: As [warp-ttd] or an operator, I need commit evidence posture"," without raw WAL ownership."," - Acceptance criteria: accepted pending, applied, rejected, obstructed, and"," absent evidence postures project transaction id, LSN, epoch, digest, and"," durability mode without raw segment authority."," - Test plan: causal commit evidence projection fixtures.","- [x] **Slice 60: WAL doctor and inspector contract tests**"," - User story: As an operator, I need inspection commands/read models to"," report truth without mutating storage."," - Acceptance criteria: doctor reports clean, would-truncate, obstructed,"," corrupt, and missing-material postures; report shape is stable; files are"," unchanged in read-only mode."," - Test plan: WAL doctor and recovery certificate contract fixtures.","### PR 13: WAL Runner, Adapter, And Release Gate Hardening","- [x] **Slice 61: Crashpoint runner contract**"," - User story: As Echo, I need a future CLI/BATS crash runner contract that"," mirrors Rust fixture semantics before it shells out to real processes."," - Acceptance criteria: canonical crashpoint names exist for submission, tick,"," checkpoint, material, and index boundaries; process-kill cuts remain marked"," future until implemented."," - Test plan: crashpoint manifest fixtures.","- [x] **Slice 62: Filesystem strict sync evidence**"," - User story: As Echo, strict filesystem mode must make sync boundaries"," inspectable enough for tests to prove ACK ordering."," - Acceptance criteria: commit flush, segment creation, manifest rename, and"," checkpoint rename sync evidence are covered; missing sync evidence blocks"," strict-mode claims."," - Test plan: filesystem sync evidence fixtures.","- [x] **Slice 63: Object-store manifest negative matrix**"," - User story: As Echo, strict object-store mode must reject adapters that"," cannot prove conditional manifest semantics."," - Acceptance criteria: every missing capability has a distinct validation"," error; read-after-write uncertainty blocks strict mode; manifest commit is"," compare-and-swap shaped."," - Test plan: object-store capability negative fixtures.","- [x] **Slice 64: Security and redaction posture matrix**"," - User story: As Echo, recovery and inspection must distinguish missing"," material from policy-hidden or encrypted material."," corrupt, and obstructed postures remain distinct and never become silent"," success."," - Test plan: security/redaction posture fixtures.","- [x] **Slice 65: WAL hardening release gate**"," - User story: As Echo, I need one gate that tells us whether the WAL is"," trustworthy enough for the next real-app persistence push."," - Acceptance criteria: readiness check aggregates app-noun guard, shadow"," replay, crash matrix, doctor, outbox, semantic validator, filesystem,"," object-store, and projection coverage."," - Test plan: WAL hardening gate fixtures plus app-noun and doc checks.","### PR 14: WAL Segment Layout And Placement Hardening","- [x] **Slice 66: Canonical segment namespace**"," - User story: As Echo, WAL segment files must live under a logical namespace"," that does not encode wall-clock semantics."," - Acceptance criteria: canonical segment paths use `segments/` plus"," zero-padded logical segment id; recovery scans that namespace; creating"," that namespace syncs the WAL root directory in strict filesystem mode."," - Test plan: canonical segment path, namespace sync, and recovery scan","- [x] **Slice 67: Wall-clock placement policy guard**"," - User story: As Echo, storage adapters may organize bytes by time only when"," time is non-authoritative placement metadata."," - Acceptance criteria: wall-clock placement cannot be authoritative; causal"," segment id placement remains allowed."," - Test plan: segment placement policy fixtures.","- [x] **Slice 68: Legacy flat segment compatibility**"," - User story: As recovery, older flat-layout WAL roots should remain"," inspectable while the canonical namespace moves forward."," - Acceptance criteria: a root without `segments/` can still be scanned;"," duplicate ids across legacy and canonical layouts are rejected."," - Test plan: legacy flat scan and cross-layout duplicate fixtures.","- [x] **Slice 69: Canonical gap and rewrite behavior**"," - User story: As recovery, canonical segment gaps and writable tail rewrites"," must preserve the logical segment namespace."," - Acceptance criteria: segment gaps under `segments/` block recovery;"," writable truncation rewrites retained records back under `segments/`."," - Test plan: canonical segment gap and writable rewrite fixtures.","- [x] **Slice 70: Segment id rotation guard**"," - User story: As Echo, segment rotation must fail deterministically instead"," of overflowing logical segment identity."," - Acceptance criteria: next segment id is monotonic and overflow returns a"," typed error."," - Test plan: segment id overflow fixture.","### PR 15: WAL Segment Manifest And Layout Gate Hardening","- [x] **Slice 71: Segment manifest entry shape**"," - User story: As Echo, segment manifest entries must bind logical segment id,"," canonical relative path, digest, and LSN range."," - Acceptance criteria: manifest entries derive from frames and never require"," wall-clock path semantics."," - Test plan: segment manifest entry fixture.","- [x] **Slice 72: Segment layout release gate**"," - User story: As Echo, the release readiness audit must include segment"," layout policy explicitly."," - Acceptance criteria: readiness reports `segment_layout_policy` as blocked"," until set; a fully green gate requires it."," - Test plan: release readiness gate fixtures.","- [x] **Slice 73: Manifest-addressed placement doctrine**"," - User story: As a storage adapter author, date/path placement must be"," understood as byte placement, not causal truth."," - Acceptance criteria: BEARING records that wall-clock paths are"," non-authoritative and segment id/digest/commit chain decide truth."," - Test plan: docs lint plus segment placement policy fixtures.","- [x] **Slice 74: Canonical layout migration witness**"," - User story: As an operator, moving from flat first-cut layout to"," `segments/` must not erase recoverability."," - Acceptance criteria: canonical layout is preferred; legacy flat roots"," remain readable when no canonical namespace exists."," - Test plan: legacy flat compatibility fixture.","- [x] **Slice 75: Segment layout drift gate**"," - User story: As a maintainer, future changes must not accidentally make"," wall-clock directory structure part of recovery truth."," - Acceptance criteria: hardening tests assert canonical relative paths do not"," include date partitions and wall-clock authoritative placement is rejected."," - Test plan: segment manifest and placement-policy hardening fixtures.","### PR 16: WAL Segment Rotation Hardening","- [x] **Slice 76: Active segment id enforcement**"," - User story: As Echo, frames must be appended only to the active logical"," segment they claim."," - Acceptance criteria: filesystem append rejects frames whose header segment"," id differs from the active segment id."," - Test plan: inactive segment append rejection fixture.","- [x] **Slice 77: Canonical segment rotation**"," - User story: As Echo, segment rotation should seal the current segment and"," create the next canonical segment under `segments/`."," - Acceptance criteria: rotation returns the prior segment seal, advances the"," active segment id, creates the next segment file, and records strict sync"," evidence for the new segment; rotation does not overwrite an existing"," next segment."," - Test plan: rotation creation, duplicate-protection, and sync evidence","- [x] **Slice 78: Rotation tail safety**"," - User story: As Echo, rotation must not seal a segment containing"," uncommitted frames or a torn tail."," - Acceptance criteria: rotation rejects segments with uncommitted tails using"," typed store errors."," - Test plan: uncommitted-tail rotation rejection fixture.","- [x] **Slice 79: Multi-segment recovery**"," - User story: As recovery, committed transactions split across rotated"," segments must replay as one logical WAL stream."," - Acceptance criteria: recovery scans multiple canonical segments, preserves"," clean tail posture, and reports the last committed LSN."," - Test plan: rotated multi-segment recovery fixture.","- [x] **Slice 80: Rotation authority guard**"," - User story: As Echo, only the active writer epoch may rotate WAL segments."," - Acceptance criteria: epoch mismatch rejects rotation before any new segment"," is created."," - Test plan: rotation epoch mismatch fixture.","### PR 17: WAL Manifest Validation Hardening","- [x] **Slice 81: Manifest read roundtrip**"," - User story: As Echo, published filesystem manifests must be readable as"," structured WAL evidence."," - Acceptance criteria: manifest files decode back into `WalManifest` without"," relying on ad hoc string parsing."," - Test plan: filesystem manifest roundtrip fixture.","- [x] **Slice 82: Manifest segment-count validation**"," - User story: As recovery, a published manifest must not lie about segment"," count."," - Acceptance criteria: validation compares manifest segment count with"," scanned canonical/legacy segment files and rejects mismatches."," - Test plan: manifest segment-count mismatch fixture.","- [x] **Slice 83: Manifest commit-anchor validation**"," - User story: As recovery, a published manifest must match the last"," committed LSN and commit digest recovered from segment contents."," - Acceptance criteria: last-LSN and last-digest mismatches reject with typed"," store errors."," - Test plan: manifest last-LSN and last-digest mismatch fixtures.","- [x] **Slice 84: Manifest tail safety**"," - User story: As recovery, a manifest cannot validate while segments contain"," an uncommitted tail."," - Acceptance criteria: validation rejects uncommitted or torn tails before"," accepting the manifest summary."," - Test plan: manifest uncommitted-tail rejection fixture.","- [x] **Slice 85: Manifest validation release gate**"," - User story: As a maintainer, release readiness must require manifest"," validation coverage."," - Acceptance criteria: readiness reports `segment_manifest_validation` as a"," distinct blocked gate until enabled."," - Test plan: release readiness manifest-validation gate fixture.","### PR 18: Runtime WAL ACK Integration","- [x] **Slice 86: Runtime WAL adapter port**"," - User story: As a trusted runtime host, I need a local WAL adapter at the"," app-facing ACK boundary without giving the application append authority."," - Acceptance criteria: `TrustedRuntimeHost` can configure an in-memory"," runtime WAL adapter as read-only evidence; applications still only receive"," `TrustedRuntimeApp`."," - Test plan: trusted-host loop test proving the configured WAL is visible"," only as host evidence after app submission.","- [x] **Slice 87: Submission acceptance transaction wiring**"," - User story: As a caller, returned accepted submission evidence must be"," backed by a committed submission-intake WAL transaction when using the"," WAL-backed ACK path."," - Acceptance criteria: `submit_intent_with_runtime_wal_ack(...)` records"," `SubmissionAcceptedRecorded` plus acceptance evidence before returning the"," handle."," `runtime_wal_ack_submit_commits_acceptance_before_returning_handle`.","- [x] **Slice 88: Duplicate submit ACK posture**"," - User story: As a retrying client, resubmitting the same accepted envelope"," must not spray duplicate WAL acceptance transactions."," - Acceptance criteria: duplicate intake returns the original submission id"," and leaves the submission-acceptance transaction count unchanged when WAL"," evidence already exists; a duplicate from legacy non-WAL intake backfills"," exactly one acceptance transaction before returning."," `runtime_wal_ack_duplicate_submit_does_not_append_second_acceptance` and"," `runtime_wal_ack_duplicate_without_prior_wal_backfills_acceptance`.","- [x] **Slice 89: Pre-ACK WAL failure rollback**"," - User story: As Echo, if the WAL cannot commit accepted-submission evidence,"," the in-memory intake mutation must not remain visible."," - Acceptance criteria: WAL build failure restores the pre-submit runtime and"," returns a typed host WAL error."," - Test plan: `runtime_wal_ack_failure_rolls_back_intake_mutation` and"," `runtime_wal_ack_path_requires_configured_runtime_wal`.","- [x] **Slice 90: Tick receipt transaction wiring**"," - User story: As Echo, visible tick receipts should eventually be backed by"," committed scheduler-tick WAL transactions."," - Acceptance criteria: host-owned scheduler runs record receipt and"," correlation facts before publishing product-facing receipt evidence."," - Test plan: trusted-host applied-intent fixture plus recovered receipt"," index witness.","- [x] **Slice 91: Tick commit-before-publish rollback guard**"," - User story: As Echo, a tick WAL failure must not leave a half-visible"," receipt/outcome."," - Acceptance criteria: tick WAL failure either restores runtime/provenance"," state or blocks receipt publication under a typed runtime fault posture."," - Test plan: injected tick-WAL failure fixture.","- [x] **Slice 92: Runtime index rebuild contract**"," - User story: As recovery, WAL-backed submission and receipt indexes should"," rebuild without scheduler callbacks."," - Acceptance criteria: recovered indexes answer pending/applied/rejected"," posture from committed WAL transactions only."," - Test plan: pure in-memory recovery fixture for submit plus tick records.","- [x] **Slice 93: WAL-backed recovery certificate in runtime**"," - User story: As an operator, restart should produce inspectable evidence"," about what committed history was replayed."," - Acceptance criteria: recovery certificate covers checkpoint, LSN range,"," commit digest, tail posture, and recovered counts."," - Test plan: recovery certificate fixture over committed and truncated-tail"," WAL shapes.","- [x] **Slice 94: Echo recovery posture contract**"," - User story: As a real app consumer, sibling applications should be able"," to distinguish not-accepted, accepted-pending, decided, rejected, and"," obstructed work from Echo recovery evidence without Echo importing"," application nouns."," - Acceptance criteria: Echo exposes only generic submission/receipt posture;"," sibling applications map that posture to product terms outside Echo."," - Test plan: Echo CLI fixture emits generic recovery JSON; the sibling"," `jedit` fixture remains the next cross-repo consumer witness.","- [x] **Slice 95: Runtime ACK drift gate**"," - User story: As a maintainer, docs and tests should fail if Echo claims"," durable ACK semantics without a WAL-backed witness."," - Acceptance criteria: release readiness names runtime ACK coverage as a"," distinct gate through `cargo xtask test-slice runtime-wal-ack`."," - Test plan: runtime ACK readiness gate fixture plus stale-claim grep:"," `cargo xtask test-slice runtime-wal-ack`.","## Recently Completed Slice Batch","1. **Contract-Aware Receipts And Readings**"," Installed QueryView readings and installed mutation receipt correlations"," now carry contract package evidence: package id, schema hash, artifact hash,"," codec identity, operation/query id, and operation kind.","2. **Contract Reading Identity And Bounded Payloads**"," QueryView readings now carry `QueryReadingIdentity`, binding query id, vars"," digest, resolved basis digest, requested aperture digest, observer plan, and"," installed contract evidence when present.","3. **Contract Artifact Retention In `echo-cas`**"," `echo-cas` now has a local semantic retention index above content-only"," blobs for contract artifacts, receipts, witnesses, reading payloads,"," reading envelopes, and observer artifacts.","4. **Contract Retention And Semantic Lookup Seams**"," Semantic retention lookup now supports bounded byte ranges under caller"," budget while requiring exact semantic coordinate match.","5. **External Contract Proof Fixture**"," The installed contract pipeline now has a generic external-consumer-shaped"," proof covering mutation, QueryView reading, retained evidence, and replay"," without application nouns in Echo core.","6. **Versioned Contract And API Compatibility**"," Generated packages now verify Echo contract ABI, Wesley generator,"," contract-host helper API, codec, schema, registry layout, and footprint"," compatibility at package install. Receipts and readings can cite the"," verified compatibility metadata without treating it as execution authority.","7. **Reference Trusted Runtime Host Loop**"," `TrustedRuntimeHost` now owns generated package installation, ticketed"," ingress staging, scheduler passes, until-idle policy, and read-only"," observation service access. `TrustedRuntimeApp` can submit and observe"," without receiving tick, package-install, ingress-staging, or fault-recovery"," authority.","8. **Serious External Consumer Proof Fixture**"," The contract-host path now has a serious external-consumer fixture covering"," non-trivial mutation, overlapping write conflict, bounded QueryView"," reading, retained reading payload, and retained receipt evidence while"," keeping application nouns in test fixture code.","9. **Local Replay/DIND Proof For Contract Path**"," `cargo xtask test-slice contract-path-release` now runs the narrow local"," v0.1 contract-host release witness: installed contract pipeline replay,"," reference trusted host loop, and the serious external consumer fixture.","10. **Release-Grade Quickstart And Authority Audit**"," `docs/quickstart-local-contract-host.md` now documents the executable local"," contract-host path. `docs/design/v0.1.0-authority-boundary-audit.md` records"," the app/host authority split, current evidence, and deferred release risks.","## Release Gate Shift","`v0.1.0` is officially delayed until the jedit/Echo proof passes outside the","Echo repository.","The required shape is:","sibling application-owned contract and adapters","-> Wesley generated Echo runtime artifacts","-> Echo installs a generic generated package","-> application submits canonical intent","-> trusted Echo host stages work and authorizes scheduler opportunities","-> application observes applied, rejected, or obstructed outcome","-> application queries a bounded reading","-> retained evidence and replay prove the same result","The proof must preserve the authority split:","- application code does not tick;","- product capabilities remain application-owned nouns and must not appear in"," Echo core or Echo package boundary APIs;","- application-facing code uses product capabilities rather than Echo runtime"," coordinates;","- application code does not send scheduler control through"," `dispatch_intent`;","- trusted host code owns package install, ticketed ingress staging, scheduler"," passes, until-idle policy, and fault recovery;","- Echo core does not import application product nouns or product concepts;","- the existing fake transport may stay as a local harness, but the release"," witness must run against the real Echo boundary.","The current opt-in jedit real-WASM stack witness now uses a separate trusted","host-control transport. Agents can run jedit's JSON-capable CLI witness:","```sh","ECHO_WARP_WASM_DIR=/path/to/echo/crates/warp-wasm \\"," node scripts/jedit-echo-witness.mjs --json","The next integration slice should improve witness content: retained evidence,","replay, and a jedit-owned generated contract path, not scheduler authority.","## Next Candidate Slices","1. **Contract Obstruction Taxonomy**"," Stabilize contract-hosted obstruction names for unsupported operations,"," unsupported queries, admission obstructions, runtime faults,"," missing-retention posture, stale basis, residual readings, and budget"," limits. Product-facing APIs should consume typed obstruction posture instead"," of broad strings or catch-all runtime errors.","2. **Retained Evidence Refs And Missing-Retention Posture**"," Lift the local semantic retention index into typed retained evidence refs"," that receipt, reading, witness, and artifact surfaces can cite. Missing"," retained material should return explicit obstruction/posture, not empty"," success or content-hash guesswork.","3. **Durable Witnessed Submission Persistence**"," Accepted-but-not-yet-ticked submissions should survive restart without"," becoming half-accepted, uncorrelatable history.","4. **Product-Facing Intent Outcome API**"," Wrap the current core outcome observation into a developer-facing local API"," that preserves the authority boundary and does not tick synchronously.","5. **Release Candidate Cleanup**"," Polish product-facing adapters, finish any remaining release-card checkboxes,"," and run the broader CI/DIND release gates before cutting a release"," candidate.","Direct `native_rule_bootstrap` registration remains an internal fixture and","transitional engine-test path. Contract-host proofs that need package identity,","registry verification, or generated operation/package binding guarantees should","install through the package boundary.","These slices must not implement hidden retry, execution outside","scheduler-owned ticks, wall-clock cadence semantics, app-controlled tick","authority, or application-domain APIs inside Echo core.","## Do Not Regress","Implementation improvements over the paper examples that must be preserved:","- application optics do not create ticks;","- application dispatch does not execute synchronously;","- application dispatch does not command ticks;","- `AdmissionTicket` is distinct from `TickReceipt`;","- `AdmissionTicket` is not execution;","- `LawWitness` precedes and is bound by `AdmissionTicket`;","- query observers are read-only;","- `QueryView` bridge and Wesley query observer helpers exist;","- fault quarantine is runtime-local unless durable evidence is explicitly"," added;","- conflict rejection is final for that tick attempt, and retry is a new causal"," act.","AGENTS.md",[1666],{"_627":328,"_628":1667,"_389":1668,"_631":59},128,[632,633,210,1669,210,1670,210,1671,210,1672,1673,210,1674,1675,1676,1677,1678,1679,210,1680,210,864,1681,1682,1683,1684,1685,677,210,1686,1687,1688,1689,1690,210,1691,210,864,1692,1693,1694,1695,1696,677,210,1697,210,1698,1699,1700,1701,210,1702,210,1703,210,1704,210,1705,1706,1707,210,1708,210,1709,1710,1711,210,1712,210,1713,1714,1715,210,1716,210,1717,1718,210,1719,210,1720,210,1721,1722,1723,1724,210,1725,210,1726,1727,210,1728,1729,1730,1731,1732,1733,1734,1735,1736,1737,1738,1739,1740,1741,1742,1743,1744,210,1745,1746,1747,1748,210,1749,210,1750,210,1751,1752,1753,1754,210,1755,210,1756],"# AGENTS","This guide is for AI agents and human operators recovering context in the Echo repository.","## Architecture North Star","Echo is not a graph database, app framework, sync daemon, or mutable state","server. Echo is a deterministic WARP runtime over witnessed causal history.","The durable territory is admitted causal history: transitions, frontiers, lane","identities, payload hashes, receipts, witnesses, checkpoints, suffixes, and","retained boundary artifacts. Graphs, files, editor buffers, UI state, and debug","views are materialized readings emitted by observers or optics over that","history. They may be cached, retained, transported, compared, or revealed, but","they are not the substrate ontology.","Public Echo surfaces should follow the WARP optic shape:","explicit causal basis/site","+ bounded aperture","+ law","+ support, capability, budget, and evidence posture","-> witnessed hologram","External callers propose explicit-base intents or observe through bounded","optics. Echo admits, stages, pluralizes, conflicts, or obstructs those claims","under named law and emits receipts, reading envelopes, witnesses, or retained","shells. Transport is witnessed suffix admission, not state sync. Application","nouns belong in authored contracts and generated adapters, not in Echo core.","Keep these sentences in view when changing architecture, docs, or APIs:","There is witnessed causal history.","WARP optics chart it.","Holograms witness those charts.","Materialized graphs are optional readings.","Continuum is the protocol for lawful causal-history exchange.","## Git Rules","- **NEVER** amend commits.","- **NEVER** rebase or force-push.","- **NEVER** push to `main` without explicit permission.","- Always use standard commits and regular pushes.","## Documentation & Planning Map","Do not audit the repository by recursively walking the filesystem. Follow the authoritative manifests:","### 1. The Entrance","- **`README.md`**: Public front door, core value prop, and quick tour.","- **`GUIDE.md`**: Orientation and productive-fast path.","- **`docs/index.md`**: VitePress documentation map.","### 2. The Bedrock","- **`ARCHITECTURE.md`**: Authoritative structural reference (Hexagonal, Core, Memory).","- **`VISION.md`**: Core tenets and the causal mission.","- **`METHOD.md`**: Repo work doctrine (Backlog lanes, Cycle loop).","### 3. The Direction","- **`docs/BEARING.md`**: Current execution gravity and active tensions.","- **`docs/design/ROADMAP.md`**: Broad strategic horizon and targets.","- **`backlog/`**: The active source of truth for pending work.","### 4. The Proof","- **`CHANGELOG.md`**: Historical truth of merged behavior.","- **`cargo xtask dind`**: Determinism convergence verification.","## Context Recovery Protocol","When starting a new session or recovering from context loss:","1. **Read `docs/BEARING.md`** to find the current execution gravity.","2. **Read `METHOD.md`** to understand the work doctrine.","3. **Check `backlog/asap/`** for imminent work.","4. **Check `git log -n 5` and `git status`** to verify the current branch state.","## Executable Claim Protocol","Engineering work must converge around executable evidence, not broad repository","interpretation. Before editing code, reduce the task to one executable claim:","1. **Bound the Claim**: State the behavior, invariant, or artifact that must"," change.","2. **Name the Witness**: Identify the smallest test, check, script, compile"," contract, golden vector, schema validation, or artifact inspection that can"," prove the claim.","3. **Run the Witness When Feasible**: Prefer a failing witness before the fix."," If the witness cannot execute because the repository is already broken,"," repair only the minimal compile/runtime blocker required to run it.","4. **Do Not Expand from an Unblocker**: Do not turn a compile blocker into"," nearby architecture cleanup, docs cleanup, lint cleanup, migration sweep, or"," opportunistic refactor.","5. **Green the Claim**: Implement the smallest fix, rerun the witness, and run"," only directly relevant surrounding checks unless broader validation is"," explicitly requested.","6. **Stop on Green**: When the witness passes and the requested scope is"," satisfied, stop. Do not inspect more PR comments, audit more files, or clean"," unrelated residue without a new executable claim.","If unrelated failures remain, isolate them in the final report instead of","absorbing them into the task. Report files changed, symbols or behavior changed,","witness commands, pass/fail results, and intentional non-actions such as no","commit, no push, or no PR comment.","## End of Turn Checklist","After altering files:","1. **Verify Truth**: Ensure documentation is updated if behavior or structure changed.","2. **Log Debt**: Add follow-on backlog items to `bad-code/` or `cool-ideas/`.","3. **Commit**: Use focused, conventional commit messages. Propose a draft before executing.","4. **Validate**: Run `cargo check` and relevant tests.","---","**The goal is inevitability. Every feature is defined by its tests.**",[1758,1759,1760,1761,1762,1763,1764,1765,1766,1767,1768],{"_604":46,"_46":1785},{"_604":1770,"_161":1664,"_627":1783,"_628":1784},{"_604":46,"_46":1782},{"_604":1770,"_161":1664,"_627":1780,"_628":1781},{"_604":46,"_46":1779},{"_604":1770,"_161":1664,"_627":1777,"_628":1778},{"_604":46,"_46":1776},{"_604":1770,"_161":696,"_627":1774,"_628":1775},{"_604":46,"_46":1773},{"_604":1770,"_161":493,"_627":1771,"_628":1772},{"_604":46,"_46":1769},"\n\n**Testing / Checks**\n\n* ✅ `pwd && find .. -name AGENTS.md -print && git status --short && git log -n 5 --oneline`\n* ⚠️ `sed -n '1,180p' docs/BEARING.md && printf '\\n--- METHOD ---\\n' && sed -n '1,140p' METHOD.md && printf '\\n--- backlog/asap ---\\n' && find backlog/asap -maxdepth 2 -type f -print | sort | sed -n '1,80p'` — warning because `backlog/asap` does not exist in this checkout; this aligns with `METHOD.md` describing the live backlog as GitHub Issues.\n* ✅ `git diff -- pnpm-lock.yaml | sed -n '1,180p'; printf '\\n--- status ---\\n'; git status --porcelain=v1; printf '\\n--- citations ---\\n'; nl -ba AGENTS.md | sed -n '46,105p'; printf '\\n--- bearing ---\\n'; nl -ba docs/BEARING.md | sed -n '1,55p'; printf '\\n--- method ---\\n'; nl -ba METHOD.md | sed -n '35,47p'`","repo_file_citation",40,43,"\n* The legacy filesystem backlog is no longer the live backlog source; `backlog/asap` was absent, which is consistent with the method note that live backlog has moved to GitHub Issues. ",15,19,"\n* The current bearing continues to point PR work at the braids/strands roadmap and goalpost docs, matching the PR’s stated scope. ",89,105,"\n* The working tree already contains an unrelated uncommitted modification to `pnpm-lock.yaml`; I inspected it and left it untouched rather than absorbing unrelated residue into a no-op review response. The repo’s executable-claim protocol says not to expand scope into unrelated cleanup. ",80,87,"\n* I followed the repository context-recovery instructions by checking the bearing, method doctrine, backlog state, recent git history, and status. ",46,51,"### Summary\n\n* No code changes were made because the trigger explicitly reported “no actionable findings,” and the PR comments did not request any mitigation or follow-up change.\n* I did **not** commit or create a new PR because there were no Codex-authored changes to commit; creating a PR without committed changes is forbidden by the turn instructions, and the repo guidance requires standard commits rather than history rewrites. ",{"_92":325,"_42":84,"_96":325,"_1788":1789,"_1790":1791,"_1792":1793,"_132":-5,"_119":1794},[83],"input_items",[1813,1814,1815,1816,1817,1818,1819],"external_post_config",{"_1795":1796,"_263":196,"_1797":305,"_274":-5,"_1798":257,"_1799":-5,"_1800":-5,"_1801":1802,"_1803":1804,"_1805":-5,"_1806":-5,"_1807":1808,"_1809":15,"_1810":59,"_1811":54,"_1812":15},"user_model_slug","slug",1781579465.36881,"installation_id",89912914,"pr_number","repo_id","gitlab_service_account_project_id","review_trigger","comment_id",4714491572,"comment_type","issue","pr_write_guard_token","pending_pr_reaction_id","pending_comment_reaction_id",370476083,"comment_if_no_findings","comment_on_error","share_url","is_parallel_review",{"_92":395,"_96":325,"_389":1831},{"_312":313,"_314":315,"_1828":319,"_1829":129,"_321":-5,"_92":1830},{"_92":1820,"_314":1827,"_161":-5,"_1822":-5,"_1823":-5},{"_92":1820,"_314":1826,"_161":-5,"_1822":-5,"_1823":-5},{"_92":1820,"_314":1825,"_161":-5,"_1822":-5,"_1823":-5},{"_92":1820,"_314":1824,"_161":-5,"_1822":-5,"_1823":-5},{"_92":1820,"_314":1821,"_161":-5,"_1822":-5,"_1823":-5},"pull_request_comment","### Summary\n\n* No code changes were made because the trigger’s explicit verdict was “no actionable findings,” and the PR comments/context did not request any mitigation.\n* I did not commit or create a new PR because there were no Codex-authored changes to commit. This preserves the repository’s standard-commit/no-rewrite guidance and avoids committing unrelated working-tree state. [AGENTS.mdL46-L51](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L46-L51)\n* I followed the repository context-recovery instructions by consulting `docs/BEARING.md`, `METHOD.md`, backlog state, recent git history, and status. [AGENTS.mdL80-L87](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L80-L87)\n* The working tree already has an unrelated uncommitted modification to `pnpm-lock.yaml`; I inspected it and left it untouched.\n\n**Testing / Checks**\n\n* ✅ `pwd && find .. -name AGENTS.md -print && git status --short && git log -n 5 --oneline`\n* ✅ `sed -n '1,180p' docs/BEARING.md && printf '\\n--- METHOD ---\\n' && sed -n '1,140p' METHOD.md && printf '\\n--- backlog/asap ---\\n' && find backlog/asap -maxdepth 2 -type f -print | sort | sed -n '1,80p'`\n* ✅ `git diff -- pnpm-lock.yaml | sed -n '1,160p'; printf '\\n--- status ---\\n'; git status --porcelain=v1; printf '\\n--- citations ---\\n'; nl -ba AGENTS.md | sed -n '46,104p'; printf '\\n--- bearing lines ---\\n'; nl -ba docs/BEARING.md | sed -n '1,48p'; printf '\\n--- method lines ---\\n'; nl -ba METHOD.md | sed -n '35,47p'`\n\n [View task →](https://chatgpt.com/s/cd_6a304e84d78c8191af1445eee99daf04)","side","line","## Self-Code Review Pass 2\n\ncc @codex\n\nVerdict: no actionable findings.\n\n| Severity | File | Lines | Infraction | Recommended mitigation |\n|---:|---|---:|---|---|\n| N/A | N/A | N/A | Second review pass found no logic, race, edge-case, nondeterminism, duplication, separation-of-concerns, API, style, typing, or Markdown violations in `git diff origin/main...HEAD`. | No change requested. |\n\nEvidence reviewed:\n\n| Surface | Review result |\n|---|---|\n| `crates/warp-core/src/braid.rs` | `BraidMembershipEntry` remains a documented read projection, not an admission token. `Braid::membership_history()` derives accepted `MemberWoven` events from the event log. `Braid::apply(...)` remains the admission boundary. |\n| `crates/warp-core/src/lib.rs` | Crate-root export is narrow and matches the new public API surface. |\n| `crates/warp-core/tests/braid_public_api_tests.rs` | Regression proves accepted members appear in sequence order and rejected duplicate/late member events do not enter membership history. Test uses typed errors and avoids display-string behavior contracts. |\n| `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | GP3-S1 implementation boundary is explicit and does not claim GP3-S2 through GP3-S5 behavior. |\n| `docs/design/braids-and-strands-roadmap.md` | Only `GP3-S1` is checked. Later coordinate, diff, replay, recorder, and Causal X-Ray slices remain unchecked. |\n| `CHANGELOG.md` | Public API addition is recorded under Unreleased. |\n\nValidation for this pass:\n\n| Check | Result |\n|---|---:|\n| `git status --porcelain` | clean |\n| `git fetch origin --prune` | passed |\n| `git diff --check origin/main...HEAD` | passed |\n| `cargo fmt --all -- --check` | passed |\n| `cargo test -p warp-core --test braid_public_api_tests` | passed, 5/5 |\n| `cargo test -p warp-core --lib braid` | passed, 40/40 |\n| `cargo clippy -p warp-core --test braid_public_api_tests -- -D warnings` | passed |\n| `pnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | passed |\n| GitHub checks / CodeRabbit | all passing at review time |\n\nResidual risk is intentional scope, not a defect: this PR implements only GP3-S1. Historical coordinate lookup, membership diffs, replay/audit facts, Braid Flight Recorder output, and Causal X-Ray output remain later unchecked slices.","### Summary\n\n* No code changes were made because the trigger’s verdict reported “no actionable findings,” and the PR context/comment did not request a change.\n* I did not commit or create a new PR because there were no Codex-authored changes to commit. This also respects the repo’s standard-commit/no-rewrite guidance. [AGENTS.mdL46-L51](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L46-L51)\n* I followed the required context recovery path by consulting the repo guidance that points to `docs/BEARING.md`, `METHOD.md`, backlog state, git log, and git status. [AGENTS.mdL80-L87](https://github.com/flyingrobots/echo/blob/3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44/AGENTS.md#L80-L87)\n* Note: the working tree already contains an uncommitted modification to `pnpm-lock.yaml`; I left it untouched because it was unrelated to the no-op review trigger.\n\n**Testing / Checks**\n\n* ✅ `pwd && find .. -name AGENTS.md -print`\n* ✅ `git status --short && git log -n 5 --oneline`\n* ✅ `sed -n '1,220p' docs/BEARING.md && printf '\\n--- METHOD ---\\n' && sed -n '1,220p' METHOD.md && printf '\\n--- backlog/asap ---\\n' && find backlog/asap -maxdepth 2 -type f -print | sort | sed -n '1,80p'`\n* ✅ `git diff -- pnpm-lock.yaml | sed -n '1,220p'`\n* ✅ `git status --porcelain=v1`\n* ✅ `nl -ba AGENTS.md | sed -n '45,105p' && nl -ba docs/BEARING.md | sed -n '1,55p' && nl -ba METHOD.md | sed -n '1,70p'`\n\n [View task →](https://chatgpt.com/s/cd_6a304c9475288191bc536de0558adb88)","## Self-Code Review\n\ncc @codex\n\nVerdict: no actionable findings.\n\n| Severity | File | Lines | Infraction | Recommended mitigation |\n|---:|---|---:|---|---|\n| N/A | N/A | N/A | No logic, race, edge-case, nondeterminism, duplication, separation-of-concerns, API, style, typing, or Markdown violations found in `git diff origin/main...HEAD`. | No change requested. |\n\nEvidence reviewed:\n\n| Surface | Review result |\n|---|---|\n| `crates/warp-core/src/braid.rs` | `BraidMembershipEntry` is documented as a read projection, not an admission token. `membership_history()` derives accepted `MemberWoven` facts from the event log. Admission still routes through `Braid::apply(...)`. |\n| `crates/warp-core/tests/braid_public_api_tests.rs` | Regression proves accepted members appear in sequence order and rejected duplicate/late events do not enter membership history. Existing `expect()` uses in touched tests were removed in the implementation commit. |\n| `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | GP3-S1 scope is explicit and does not overclaim coordinate views, diffs, replay facts, or recorder output. |\n| `docs/design/braids-and-strands-roadmap.md` | Only `GP3-S1` is checked. Later slices remain unchecked. |\n| `CHANGELOG.md` | Public API addition is recorded under Unreleased. |\n\nValidation:\n\n| Check | Result |\n|---|---:|\n| `git status --porcelain` | clean |\n| `git fetch origin --prune` | passed |\n| `git diff --check origin/main...HEAD` | passed |\n| `cargo fmt --all -- --check` | passed |\n| `cargo test -p warp-core --test braid_public_api_tests` | passed, 5/5 |\n| `cargo test -p warp-core --lib braid` | passed, 40/40 |\n| `cargo clippy -p warp-core --test braid_public_api_tests -- -D warnings` | passed |\n| `pnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | passed |\n| `scripts/check_spdx.sh` | passed |\n| GitHub checks / CodeRabbit | all passing at review time |\n\nResidual risk: this PR intentionally implements only GP3-S1. It does not provide historical coordinate lookup, membership diffs, replay/audit facts, Braid Flight Recorder output, or Causal X-Ray output; those remain the unchecked GP3-S2 through GP3-S5 slices.","\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/550?utm_source=github_walkthrough&utm_medium=github&utm_campaign=change_stack)\n\n\nNo actionable comments were generated in the recent review. 🎉\n\n

ℹ️ Recent 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**: `5d3d5093-ceb0-437a-afd9-82207f3850e3`\n\n

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📥 Commits

\n\nReviewing files that changed from the base of the PR and between e30e4b784d823b67baceaaee55a287e819a25566 and 3d33ebcd1b905f3361df6a5dd81da6ee9e46ea44.\n\n

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📒 Files selected for processing (6)

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

📝 Walkthrough

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🚥 Pre-merge checks | ✅ 5

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✅ Passed checks (5 passed)

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

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✨ Finishing Touches

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📝 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 `hardening/braid-membership-history-design`\n\n

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❤️ 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",[1832],{"_604":46,"_46":1833},"## Self-Code Review Pass 3\n\ncc @codex\n\nVerdict: no actionable findings.\n\n| Severity | File | Lines | Infraction | Recommended mitigation |\n|---:|---|---:|---|---|\n| N/A | N/A | N/A | Third review pass found no logic, race, edge-case, nondeterminism, duplication, separation-of-concerns, API, style, typing, or Markdown violations in `git diff origin/main...HEAD`. | No change requested. |\n\nEvidence reviewed:\n\n| Surface | Review result |\n|---|---|\n| `crates/warp-core/src/braid.rs` | `BraidMembershipEntry` is explicitly documented as a read model, not an admission token. `Braid::membership_history()` derives accepted `MemberWoven` facts from the event log. `Braid::apply(...)` remains the only admission boundary. |\n| `crates/warp-core/src/lib.rs` | Crate-root export is limited to the new projection type and does not broaden braid admission authority. |\n| `crates/warp-core/tests/braid_public_api_tests.rs` | Regression proves accepted members appear in sequence order and rejected duplicate/late member events do not enter membership history. Tests continue to use typed errors rather than display-string behavior. |\n| `docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | GP3-S1 is described as the membership-history source-of-truth boundary and explicitly does not implement later coordinate, diff, replay, or recorder surfaces. |\n| `docs/design/braids-and-strands-roadmap.md` | Only `GP3-S1` is checked. GP3-S2 through GP3-S5 remain unchecked. |\n| `CHANGELOG.md` | Public API addition is recorded under Unreleased. |\n\nValidation for this pass:\n\n| Check | Result |\n|---|---:|\n| `git status --porcelain` | clean |\n| `git fetch origin --prune` | passed |\n| `git diff --check origin/main...HEAD` | passed |\n| `cargo fmt --all -- --check` | passed |\n| `cargo test -p warp-core --test braid_public_api_tests` | passed, 5/5 |\n| `cargo test -p warp-core --lib braid` | passed, 40/40 |\n| `cargo clippy -p warp-core --test braid_public_api_tests -- -D warnings` | passed |\n| `pnpm exec markdownlint-cli2 CHANGELOG.md docs/design/braids-and-strands-roadmap.md docs/design/braids-and-strands-hardening/goalpost-03-historical-membership-and-replay.md` | passed |\n| `scripts/check_spdx.sh` | passed |\n| GitHub checks / CodeRabbit | all passing at review time |\n\nResidual risk remains intentional scope, not a defect: this PR implements only GP3-S1. Historical coordinate lookup, membership diffs, replay/audit facts, Braid Flight Recorder output, and Causal X-Ray output remain later unchecked 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