\\n>

⌛ How to resolve this issue?

\\n> \\n> After more reviews become available, a review can be triggered using the `@coderabbitai review` command as a PR comment. Alternatively, push new commits to this PR.\\n> \\n> To avoid repeated limits, reduce automatic review volume by pausing incremental auto-reviews earlier, using label-based review opt-in, excluding WIP or generated PR titles, or requesting reviews manually when the PR is ready. If your team needs uninterrupted high-volume reviews, an organization admin can enable usage-based credits.\\n> \\n>

\\n> \\n> \\n>

\\n>

🚦 How do rate limits work?

\\n> \\n> CodeRabbit enforces per-developer PR review limits for each organization. Most developers receive the normal plan refill rate.\\n> \\n> For paid Pro and Pro+ PR reviews, CodeRabbit uses adaptive limits for sustained high-volume activity. When a developer's recent PR review activity reaches the 95th percentile or higher among CodeRabbit users, the refill rate gradually slows as usage increases. The highest same-day bursts are limited more strictly.\\n> \\n> Please see our [Fair Usage Limits Policy](https://docs.coderabbit.ai/management/plans#fair-usage-limits-policy) for further information.\\n> \\n>

\\n> \\n>

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ℹ️ Review info

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\\n>

⚙️ Run configuration

\\n> \\n> **Configuration used**: Organization UI\\n> \\n> **Review profile**: ASSERTIVE\\n> \\n> **Plan**: Pro\\n> \\n> **Run ID**: `b2f1d99b-49fc-4294-887d-3e839e0e0fee`\\n> \\n>

\\n> \\n>

\\n>

📥 Commits

\\n> \\n> Reviewing files that changed from the base of the PR and between 06a132d3fedf8875ca5a33df419d3358a2aea15f and 6ec2f4eca8bc124e1379c597af13df1f44da67da.\\n> \\n>

\\n> \\n>

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📒 Files selected for processing (31)

\\n> \\n> * `.repo-respect/README.md`\\n> * `.repo-respect/receipts/2026-06-21-affine-inverse-min-translation.md`\\n> * `.repo-respect/receipts/2026-06-21-affine-transforms.md`\\n> * `.repo-respect/receipts/2026-06-21-matrix-types-and-receipt-gate.md`\\n> * `.repo-respect/receipts/2026-06-21-pr191-review-fixes.md`\\n> * `CHANGELOG.md`\\n> * `CODE_STANDARDS.md`\\n> * `CONTRIBUTING.md`\\n> * `README.md`\\n> * `ROADMAP.md`\\n> * `crates/bunny-linalg/README.md`\\n> * `crates/bunny-linalg/src/fixed_affine2.rs`\\n> * `crates/bunny-linalg/src/fixed_affine3.rs`\\n> * `crates/bunny-linalg/src/fixed_mat2.rs`\\n> * `crates/bunny-linalg/src/fixed_mat3.rs`\\n> * `crates/bunny-linalg/src/fixed_mat4.rs`\\n> * `crates/bunny-linalg/src/fixed_mat4_inverse.rs`\\n> * `crates/bunny-linalg/src/lib.rs`\\n> * `crates/bunny-linalg/src/matrix_common.rs`\\n> * `crates/bunny-linalg/tests/affine_transform_tests.rs`\\n> * `crates/bunny-linalg/tests/matrix_tests.rs`\\n> * `docs/CODE_DOJO.md`\\n> * `docs/MATH_GEOMETRY_CAPABILITY_MAP.md`\\n> * `docs/PROCESS.md`\\n> * `docs/README.md`\\n> * `docs/topics/matrix-types/README.md`\\n> * `docs/topics/matrix-types/test-plan.md`\\n> * `xtask/src/code_dojo.rs`\\n> * `xtask/src/main.rs`\\n> * `xtask/src/repo_respect.rs`\\n> * `xtask/src/topic_docs.rs`\\n> \\n>

\\n> \\n>

\\n\\n\\n\\n\\n\\n---\\n\\nThanks for using [CodeRabbit](https://coderabbit.ai?utm_source=oss&utm_medium=github&utm_campaign=flyingrobots/bunny&utm_content=191)! 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\\n_{Comment `@coderabbitai help` to get the list of available commands and usage tips.}\\n\\n\",\"path\":null,\"side\":null,\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Include deletions in receipt coverage**\\n\\nWhen a branch or staged commit only deletes a non-receipt file, this `--diff-filter=ACMR` omits the deleted path (the Git docs for `--diff-filter` define `D` as Deleted, so `ACMR` selects only added/copied/modified/renamed paths). That leaves `non_receipt_changes` empty and lets the new repo-respect gate pass as receipt-only/empty even though the PR changed the repository by deleting files; include deletions (and likely type changes) or remove the filter for receipt coverage.\\n\\nUseful? React with 👍 / 👎.\",\"path\":\"xtask/src/repo_respect.rs\",\"side\":\"RIGHT\",\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Avoid negating MIN before inverse division**\\n\\nFor matrices with a raw `i64::MIN` off-diagonal and a determinant magnitude greater than one, e.g. `[[2, MIN_RAW], [0, 2]]`, the inverse entry `-m01/det` is representable, but this negates `m01` before dividing, so `checked_neg` returns `None` and the whole inverse is rejected. Let `checked_div` handle the sign, or divide before negating, so representable boundary inverses are not reported as overflow.\\n\\nUseful? React with 👍 / 👎.\",\"path\":\"crates/bunny-linalg/src/fixed_mat2.rs\",\"side\":\"RIGHT\",\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Enforce receipt trailers in the full gate**\\n\\nThe new full/CI gate only calls `check_branch()`, which verifies that the branch diff contains a valid receipt file, but it never walks the branch's non-merge commits and applies `commit_message_failures` to their messages. In CI or any push where local hooks were not installed or were bypassed, a branch with one receipt file but commits missing `Repo-Respect-Receipt:` trailers still passes, so the newly documented per-commit trailer requirement is not actually universal.\\n\\nUseful? React with 👍 / 👎.\",\"path\":\"xtask/src/code_dojo.rs\",\"side\":\"RIGHT\",\"line\":209}{\"type\":\"pull_request_comment\",\"body\":\"**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Validate the staged receipt contents**\\n\\nIn `--staged`/pre-commit mode, this reads the receipt from the working tree instead of the index, so the hook can validate different content than what will be committed when a staged receipt also has unstaged edits. For example, a staged receipt missing required sections passes if the working copy was later fixed, and the bad staged version is still what gets committed; read staged receipt blobs for staged checks.\\n\\nUseful? React with 👍 / 👎.\",\"path\":\"xtask/src/repo_respect.rs\",\"side\":\"RIGHT\",\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Reject placeholder receipt sections**\\n\\nBecause any non-empty non-comment line counts as section content, a freshly generated receipt with the default `TBD` placeholders satisfies every required field and makes the receipt gate report coverage clean without files read, checks run, risks, or reviewer information actually being filled in. Treat the template placeholders as invalid until replaced, or emit them as comments so the universal receipt gate enforces meaningful receipts.\\n\\nUseful? React with 👍 / 👎.\",\"path\":\"xtask/src/repo_respect.rs\",\"side\":\"RIGHT\",\"line\":null}{\"type\":\"pull_request_comment\",\"body\":\"\\n### 💡 Codex Review\\n\\nHere are some automated review suggestions for this pull request.\\n\\n**Reviewed commit:** `7ef5f0e76e`\\n \\n\\n

ℹ️ About Codex in GitHub

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

\",\"path\":null,\"side\":null,\"line\":null}","text_elements",[],{"_426":731,"_407":408,"_428":414},{"_429":732,"_431":-5,"_45":-5,"_432":-5,"_433":-5,"_99":328,"_95":435},[733],{"_49":727,"_95":734},"input_text",{"_426":736,"_407":408,"_428":414},{"_429":737,"_431":-5,"_45":-5,"_432":-5,"_433":-5,"_99":328,"_95":435},[738],{"_49":739,"_95":734},"\n /workspace/bunny\n bash\n 2026-06-21\n Etc/UTC\n",{"_426":741,"_407":408,"_428":414},{"_429":742,"_431":-5,"_45":-5,"_432":-5,"_433":-5,"_99":743,"_95":435},[744,745],"developer",{"_49":747,"_95":734},{"_49":746,"_95":734},"\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",{"_407":408,"_90":750},{"_106":-5,"_45":414,"_415":751,"_417":418,"_419":752},[],"inProgress",{"_419":754,"_407":408},{"_755":756,"_95":757},"activeFlags",[],"active","thread/started",{"_760":761},"thread",{"_762":-5,"_763":-5,"_764":765,"_766":418,"_473":474,"_767":18,"_768":-5,"_769":-5,"_770":-5,"_771":772,"_45":408,"_773":774,"_184":-5,"_775":-5,"_164":776,"_777":202,"_778":-5,"_478":779,"_419":780,"_781":-5,"_80":782,"_783":418},"agentNickname","agentRole","cliVersion","0.128.0","createdAt","ephemeral","extra","forkedFromId","gitInfo","historyMode","legacy","modelProvider","openai","parentThreadId","/opt/codex/sessions/2026/06/21/rollout-2026-06-21T13-00-46-019eea44-efd8-7e31-b522-0442535a3c4a.jsonl","preview","recencyAt","vscode",{"_95":423},"threadSource",[],"updatedAt",[],"messages",[787],{"_45":788,"_789":790,"_791":792,"_793":792,"_429":794,"_419":795,"_431":-5,"_796":35,"_797":798,"_799":800,"_801":-5},"c30d6b35-7ae3-4619-ab3e-be085aac9cc8","author",{"_99":328,"_184":-5,"_797":810},"create_time",1782046846.183201,"update_time",{"_806":49,"_807":808},"finished_successfully","weight","metadata",{"_802":803},"recipient","all","channel","l1239dk1",{"_804":805},"inline_comments",[],"content_type","parts",[809],"@codex Review feedback addressed in commit `6ec2f4e`.\n\n| Source | Severity | File | Issue | Fix | Evidence |\n| --- | --- | --- | --- | --- | --- |\n| ChatGPT Code Reviewer | P2 | `xtask/src/repo_respect.rs` | Deleted paths were omitted from receipt coverage diffs. | Removed receipt coverage diff filters so deleted/typechanged paths are included. | `changed_path_lists_include_deleted_files`; full Code Dojo passed. |\n| ChatGPT Code Reviewer | P2 | `crates/bunny-linalg/src/fixed_mat2.rs` | `FixedMat2::try_inverse` negated raw `i64::MIN` before determinant division. | Divide off-diagonal entries first, then negate the quotient. | `mt_tp_012_fixed_mat2_inverse_divides_min_off_diagonal_before_negating`; topic case `MT-TP-012`. |\n| ChatGPT Code Reviewer | P2 | `xtask/src/repo_respect.rs` / full gate | Full gate did not enforce per-commit receipt trailers. | Branch-mode repo-respect now walks non-merge commits and validates receipt trailers. | `branch_commit_message_failures_report_missing_trailers`; full Code Dojo passed. |\n| ChatGPT Code Reviewer | P2 | `xtask/src/repo_respect.rs` | Staged receipt checks validated worktree content instead of the index. | Staged mode now reads receipt blobs via `git show :path`. | `staged_check_validates_receipt_content_from_index`; staged repo-respect passed. |\n| ChatGPT Code Reviewer | P2 | `xtask/src/repo_respect.rs` | Placeholder-only receipt sections counted as meaningful content. | Generated placeholders are comments and legacy `TBD`/`TODO` placeholders are rejected. | `receipt_validation_rejects_placeholder_sections`; staged/full gates passed. |\n\nLocal verification run before push:\n\n- `cargo test --locked -p xtask`\n- `cargo test --locked -p bunny-linalg --test matrix_tests`\n- `cargo clippy --locked -p xtask --all-targets -- -D warnings`\n- `cargo clippy --locked -p bunny-linalg --all-targets --all-features -- -D warnings`\n- `cargo run --locked -p xtask -- topic-docs`\n- `cargo run --locked -p xtask -- repo-respect check --staged`\n- `markdownlint-cli2 CHANGELOG.md docs/topics/matrix-types/test-plan.md .repo-respect/receipts/2026-06-21-pr191-review-fixes.md`\n- `git diff --check`\n- `cargo run --locked -p xtask -- code-dojo --all`\n- Pre-commit Code Dojo and pre-push full Code Dojo passed.\nAdd deterministic fixed matrix types\n\n## Summary\n\n- Add deterministic `FixedMat2`, `FixedMat3`, and `FixedMat4` primitives for `bunny-linalg` with row-major construction, checked multiplication, determinants, and inverses.\n- Add the `docs/topics/matrix-types/` current-truth chapter and test plan with requirement/case metadata checked by `xtask topic-docs`.\n- Make repo-respect receipts universal for every contributor and every non-merge commit, add `cargo xtask repo-respect` helper/checks, and wire receipt coverage into Code Dojo and local hooks.\n- Isolate hook-provided `GIT_INDEX_FILE` from nested test Git repositories so commit hooks can run the xtask staged-index tests reliably.\n\n## Validation\n\n- `cargo run --locked -p xtask -- code-dojo --all`\n- pre-commit and pre-push hooks both passed while creating/pushing this branch\n\n## Receipt\n\n- `.repo-respect/receipts/2026-06-21-matrix-types-and-receipt-gate.md`\n\nCloses #107.\nPart of #167.\n\n\n\n> [!WARNING]\n> ## Review limit reached\n> \n> `@flyingrobots`, we couldn't start this review because you've reached your PR review rate limit.\n> \n> More reviews will be available in 14 minutes and 11 seconds. [Learn how PR review limits work](https://docs.coderabbit.ai/management/plans#fair-usage-limits-policy).\n> \n> Your organization has run out of usage credits. Purchase more credits in the [billing tab](https://app.coderabbit.ai/settings/billing?tab=usage&orgId=4252c417-78a1-49cd-a607-68d1e6bdacc4) to continue.\n> \n>

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⌛ How to resolve this issue?

\n> \n> After more reviews become available, a review can be triggered using the `@coderabbitai review` command as a PR comment. Alternatively, push new commits to this PR.\n> \n> To avoid repeated limits, reduce automatic review volume by pausing incremental auto-reviews earlier, using label-based review opt-in, excluding WIP or generated PR titles, or requesting reviews manually when the PR is ready. If your team needs uninterrupted high-volume reviews, an organization admin can enable usage-based credits.\n> \n>

\n> \n> \n>

\n>

🚦 How do rate limits work?

\n> \n> CodeRabbit enforces per-developer PR review limits for each organization. Most developers receive the normal plan refill rate.\n> \n> For paid Pro and Pro+ PR reviews, CodeRabbit uses adaptive limits for sustained high-volume activity. When a developer's recent PR review activity reaches the 95th percentile or higher among CodeRabbit users, the refill rate gradually slows as usage increases. The highest same-day bursts are limited more strictly.\n> \n> Please see our [Fair Usage Limits Policy](https://docs.coderabbit.ai/management/plans#fair-usage-limits-policy) for further information.\n> \n>

\n> \n>

\n>

ℹ️ Review info

\n> \n>

\n>

⚙️ Run configuration

\n> \n> **Configuration used**: Organization UI\n> \n> **Review profile**: ASSERTIVE\n> \n> **Plan**: Pro\n> \n> **Run ID**: `b2f1d99b-49fc-4294-887d-3e839e0e0fee`\n> \n>

\n> \n>

\n>

📥 Commits

\n> \n> Reviewing files that changed from the base of the PR and between 06a132d3fedf8875ca5a33df419d3358a2aea15f and 6ec2f4eca8bc124e1379c597af13df1f44da67da.\n> \n>

\n> \n>

\n>

📒 Files selected for processing (31)

\n> \n> * `.repo-respect/README.md`\n> * `.repo-respect/receipts/2026-06-21-affine-inverse-min-translation.md`\n> * `.repo-respect/receipts/2026-06-21-affine-transforms.md`\n> * `.repo-respect/receipts/2026-06-21-matrix-types-and-receipt-gate.md`\n> * `.repo-respect/receipts/2026-06-21-pr191-review-fixes.md`\n> * `CHANGELOG.md`\n> * `CODE_STANDARDS.md`\n> * `CONTRIBUTING.md`\n> * `README.md`\n> * `ROADMAP.md`\n> * `crates/bunny-linalg/README.md`\n> * `crates/bunny-linalg/src/fixed_affine2.rs`\n> * `crates/bunny-linalg/src/fixed_affine3.rs`\n> * `crates/bunny-linalg/src/fixed_mat2.rs`\n> * `crates/bunny-linalg/src/fixed_mat3.rs`\n> * `crates/bunny-linalg/src/fixed_mat4.rs`\n> * `crates/bunny-linalg/src/fixed_mat4_inverse.rs`\n> * `crates/bunny-linalg/src/lib.rs`\n> * `crates/bunny-linalg/src/matrix_common.rs`\n> * `crates/bunny-linalg/tests/affine_transform_tests.rs`\n> * `crates/bunny-linalg/tests/matrix_tests.rs`\n> * `docs/CODE_DOJO.md`\n> * `docs/MATH_GEOMETRY_CAPABILITY_MAP.md`\n> * `docs/PROCESS.md`\n> * `docs/README.md`\n> * `docs/topics/matrix-types/README.md`\n> * `docs/topics/matrix-types/test-plan.md`\n> * `xtask/src/code_dojo.rs`\n> * `xtask/src/main.rs`\n> * `xtask/src/repo_respect.rs`\n> * `xtask/src/topic_docs.rs`\n> \n>

\n> \n>

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\n\n\n_{Comment `@coderabbitai help` to get the list of available commands and usage tips.}\n\n\n**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Include deletions in receipt coverage**\n\nWhen a branch or staged commit only deletes a non-receipt file, this `--diff-filter=ACMR` omits the deleted path (the Git docs for `--diff-filter` define `D` as Deleted, so `ACMR` selects only added/copied/modified/renamed paths). That leaves `non_receipt_changes` empty and lets the new repo-respect gate pass as receipt-only/empty even though the PR changed the repository by deleting files; include deletions (and likely type changes) or remove the filter for receipt coverage.\n\nUseful? React with 👍 / 👎.\n**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Avoid negating MIN before inverse division**\n\nFor matrices with a raw `i64::MIN` off-diagonal and a determinant magnitude greater than one, e.g. `[[2, MIN_RAW], [0, 2]]`, the inverse entry `-m01/det` is representable, but this negates `m01` before dividing, so `checked_neg` returns `None` and the whole inverse is rejected. Let `checked_div` handle the sign, or divide before negating, so representable boundary inverses are not reported as overflow.\n\nUseful? React with 👍 / 👎.\n**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Enforce receipt trailers in the full gate**\n\nThe new full/CI gate only calls `check_branch()`, which verifies that the branch diff contains a valid receipt file, but it never walks the branch's non-merge commits and applies `commit_message_failures` to their messages. In CI or any push where local hooks were not installed or were bypassed, a branch with one receipt file but commits missing `Repo-Respect-Receipt:` trailers still passes, so the newly documented per-commit trailer requirement is not actually universal.\n\nUseful? React with 👍 / 👎.\n**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Validate the staged receipt contents**\n\nIn `--staged`/pre-commit mode, this reads the receipt from the working tree instead of the index, so the hook can validate different content than what will be committed when a staged receipt also has unstaged edits. For example, a staged receipt missing required sections passes if the working copy was later fixed, and the bad staged version is still what gets committed; read staged receipt blobs for staged checks.\n\nUseful? React with 👍 / 👎.\n**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Reject placeholder receipt sections**\n\nBecause any non-empty non-comment line counts as section content, a freshly generated receipt with the default `TBD` placeholders satisfies every required field and makes the receipt gate report coverage clean without files read, checks run, risks, or reviewer information actually being filled in. Treat the template placeholders as invalid until replaced, or emit them as comments so the universal receipt gate enforces meaningful receipts.\n\nUseful? React with 👍 / 👎.\n\n### 💡 Codex Review\n\nHere are some automated review suggestions for this pull request.\n\n**Reviewed commit:** `7ef5f0e76e`\n \n\n

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",{},"created",1782046953.494289,"Completing the task","event_type","info",{"_95":435,"_99":96,"_429":1515},{"_95":818,"_819":820},"partial_repo_snapshot","files",[821,822,823],{"_164":1423,"_825":-5,"_826":1424,"_828":-5},{"_164":933,"_825":-5,"_826":934,"_828":-5},{"_164":824,"_825":-5,"_826":827,"_828":-5},"crates/bunny-linalg/tests/matrix_tests.rs","contents","line_range_contents",[829],"missing_reason",{"_830":575,"_831":832,"_429":833,"_834":62},"line_range_start","line_range_end",157,[835,202,836,837,838,202,839,840,202,841,842,843,202,844,845,843,202,846,847,843,202,848,849,843,202,850,851,843,202,852,853,843,202,854,855,856,202,857,858,859,860,202,861,862,863,202,864,865,843,202,854,866,867,202,868,202,869,870,871,202,872,873,843,202,854,874,875,202,868,202,876,877,202,869,878,879,880,202,881,882,843,202,854,883,884,885,886,887,888,889,202,890,891,892,202,893,894,895,202,896,897,898,899,900,901,902,903,904,889,905,843,202,854,906,907,908,909,202,910,911,912,202,913,914,914,915,888,889,916,917,202,918,919,920,843,202,854,921,922,202,923,202,924,925,843,202,854,926,927,202,928,202,929,930,931,932,843],"contains_end_of_file","//! Deterministic matrix contract tests for Bunny fixed-point linear algebra.","use bunny_linalg::{FixedMat2, FixedMat3, FixedMat4, FixedVec2, FixedVec3};","use bunny_num::FixedQ32_32;","use wasm_bindgen_test::wasm_bindgen_test;","const ONE_RAW: i64 = bunny_num::fixed_q32_32::ONE_RAW;","const HALF_RAW: i64 = ONE_RAW / 2;","fn q32(value: i32) -> FixedQ32_32 {"," FixedQ32_32::from_raw(i64::from(value) * ONE_RAW)","}","fn q32_raw(raw: i64) -> FixedQ32_32 {"," FixedQ32_32::from_raw(raw)","fn vec2(x: i32, y: i32) -> FixedVec2 {"," FixedVec2::new(q32(x), q32(y))","fn vec3(x: i32, y: i32, z: i32) -> FixedVec3 {"," FixedVec3::new(q32(x), q32(y), q32(z))","fn raw2(value: FixedVec2) -> [i64; 2] {"," [value.x.raw(), value.y.raw()]","fn raw3(value: FixedVec3) -> [i64; 3] {"," [value.x.raw(), value.y.raw(), value.z.raw()]","#[wasm_bindgen_test(unsupported = test)]","fn fixed_mat2_layout_transpose_and_raw_vector_multiply_are_stable() {"," let matrix = FixedMat2::new(q32(1), q32(2), q32(3), q32(4));"," assert_eq!(matrix.row0(), vec2(1, 2));"," assert_eq!(matrix.row1(), vec2(3, 4));"," assert_eq!(matrix.column0(), vec2(1, 3));"," assert_eq!(matrix.column1(), vec2(2, 4));"," let transpose = matrix.transpose();"," assert_eq!(transpose.row0(), vec2(1, 3));"," assert_eq!(transpose.row1(), vec2(2, 4));"," let product = matrix.checked_mul_vec2(vec2(5, 6)).expect(\"matrix-vector multiply fits\");"," assert_eq!(raw2(product), [17 * ONE_RAW, 39 * ONE_RAW]);","fn fixed_mat2_determinant_inverse_and_matrix_multiply_are_stable() {"," let matrix = FixedMat2::new(q32(2), q32(1), q32(1), q32(1));"," assert_eq!(matrix.determinant(), Some(q32(1)));"," let inverse = matrix.try_inverse().expect(\"matrix is invertible\");"," assert_eq!(inverse.row0(), vec2(1, -1));"," assert_eq!(inverse.row1(), vec2(-1, 2));"," let identity = matrix.checked_mul_mat2(inverse).expect(\"matrix multiply fits\");"," assert_eq!(identity, FixedMat2::IDENTITY);","fn fixed_mat3_determinant_inverse_and_raw_vector_multiply_are_stable() {"," let matrix = FixedMat3::from_rows(vec3(1, 2, 3), vec3(0, 1, 4), vec3(5, 6, 0));"," let product = matrix.checked_mul_vec3(vec3(1, 2, 3)).expect(\"matrix-vector multiply fits\");"," assert_eq!(raw3(product), [14 * ONE_RAW, 14 * ONE_RAW, 17 * ONE_RAW]);"," assert_eq!(inverse.row0(), vec3(-24, 18, 5));"," assert_eq!(inverse.row1(), vec3(20, -15, -4));"," assert_eq!(inverse.row2(), vec3(-5, 4, 1));"," let identity = matrix.checked_mul_mat3(inverse).expect(\"matrix multiply fits\");"," assert_eq!(identity, FixedMat3::IDENTITY);","fn fixed_mat4_identity_transpose_and_matrix_multiply_are_stable() {"," let scale_translate = FixedMat4::from_rows("," (q32(2), q32(0), q32(0), q32(8)),"," (q32(0), q32(2), q32(0), q32(10)),"," (q32(0), q32(0), q32(2), q32(12)),"," (q32(0), q32(0), q32(0), q32(1)),"," );"," assert_eq!(scale_translate.determinant(), Some(q32(8)));"," assert_eq!(FixedMat4::IDENTITY.checked_mul_mat4(scale_translate), Some(scale_translate));"," assert_eq!(scale_translate.checked_mul_mat4(FixedMat4::IDENTITY), Some(scale_translate));"," let transpose = scale_translate.transpose();"," assert_eq!(transpose.column3(), FixedVec3::new(q32(0), q32(0), q32(0)));"," assert_eq!(transpose.row3_xyz(), vec3(8, 10, 12));"," let inverse = scale_translate.try_inverse().expect(\"matrix is invertible\");"," assert_eq!("," inverse,"," FixedMat4::from_rows("," (q32_raw(HALF_RAW), q32(0), q32(0), q32(-4)),"," (q32(0), q32_raw(HALF_RAW), q32(0), q32(-5)),"," (q32(0), q32(0), q32_raw(HALF_RAW), q32(-6)),"," (q32(0), q32(0), q32(0), q32(1)),"," )"," assert_eq!(scale_translate.checked_mul_mat4(inverse), Some(FixedMat4::IDENTITY));","fn matrix_inverse_returns_none_for_degenerate_or_overflowing_cases() {"," let singular_2 = FixedMat2::new(q32(1), q32(2), q32(2), q32(4));"," assert_eq!(singular_2.determinant(), Some(FixedQ32_32::ZERO));"," assert_eq!(singular_2.try_inverse(), None);"," let singular_3 = FixedMat3::from_rows(vec3(1, 2, 3), vec3(1, 2, 3), vec3(4, 5, 6));"," assert_eq!(singular_3.determinant(), Some(FixedQ32_32::ZERO));"," assert_eq!(singular_3.try_inverse(), None);"," let singular_4 = FixedMat4::from_rows("," (q32(1), q32(2), q32(3), q32(4)),"," (q32(5), q32(6), q32(7), q32(8)),"," assert_eq!(singular_4.determinant(), Some(FixedQ32_32::ZERO));"," assert_eq!(singular_4.try_inverse(), None);"," let max = FixedQ32_32::from_raw(i64::MAX);"," let overflowing = FixedMat2::new(max, max, max, max);"," assert_eq!(overflowing.checked_mul_vec2(FixedVec2::new(q32(2), q32(2))), None);","fn fixed_mat2_fractional_inverse_uses_q32_32_raw_outputs() {"," let matrix = FixedMat2::new(q32(2), FixedQ32_32::ZERO, FixedQ32_32::ZERO, q32(2));"," let inverse = matrix.try_inverse().expect(\"scale matrix is invertible\");"," assert_eq!(inverse.row0(), FixedVec2::new(q32_raw(HALF_RAW), FixedQ32_32::ZERO));"," assert_eq!(inverse.row1(), FixedVec2::new(FixedQ32_32::ZERO, q32_raw(HALF_RAW)));","fn mt_tp_012_fixed_mat2_inverse_divides_min_off_diagonal_before_negating() {"," let matrix = FixedMat2::new(q32(2), FixedQ32_32::from_raw(i64::MIN), q32(0), q32(2));"," let inverse = matrix.try_inverse().expect(\"inverse is representable after division\");"," assert_eq!(inverse.m00, q32_raw(HALF_RAW));"," assert_eq!(inverse.m01, q32_raw(-(i64::MIN / 4)));"," assert_eq!(inverse.m10, q32(0));"," assert_eq!(inverse.m11, q32_raw(HALF_RAW));","xtask/src/repo_respect.rs",[935],{"_830":575,"_831":936,"_429":937,"_834":62},784,[938,939,940,941,942,943,944,945,946,202,947,202,948,949,950,951,952,953,954,955,956,957,958,959,202,960,961,962,843,202,963,964,965,966,843,202,967,968,969,966,843,202,970,202,971,972,973,974,843,202,975,976,977,978,979,980,202,981,982,983,984,985,986,987,988,989,990,991,992,993,994,995,996,997,998,995,999,1000,1001,995,1002,1003,995,966,843,202,1004,1005,843,202,1006,1007,843,202,1008,1009,1010,1011,966,202,1012,1013,1014,1015,1016,1017,1018,1019,995,202,1020,1021,1022,995,966,202,1023,843,202,1024,1025,1026,1027,843,202,1028,1029,1030,1031,1032,1033,1034,1035,1036,993,1037,1038,1039,1040,1041,993,995,966,1042,1043,1044,843,202,1045,1046,1047,966,1048,1049,843,202,1050,1012,1051,1052,1053,1054,1055,966,202,1056,1057,1058,1059,202,1060,1061,1062,1063,1064,1049,843,202,1065,1012,1066,1067,1068,966,1049,843,202,1069,1070,1071,1072,980,202,1073,1074,1075,1076,202,1077,1078,1079,966,202,1080,1081,1082,966,202,1013,1083,1084,1085,966,202,1086,1087,1088,1089,1090,1091,1092,995,1093,966,843,202,1094,1095,1086,1096,1079,966,202,1097,1098,1099,966,1100,843,202,1101,1102,1103,1104,980,1105,1106,1107,1108,966,1109,1110,966,1111,1112,1113,1111,1114,1115,843,202,1116,1013,1117,1118,1119,995,966,1120,843,202,1121,1122,1123,980,1124,1125,1126,1127,1128,1129,1130,1131,1132,1133,1044,843,202,1134,1135,1123,966,202,1136,1137,1138,1139,1140,843,202,1141,1142,1126,1143,1144,1145,1146,1147,843,202,1148,1149,1150,1151,1152,966,202,1153,1154,1155,966,202,1156,843,202,1157,1158,1159,1160,966,843,202,1161,1149,1150,1151,1152,966,202,1162,843,202,1163,1164,1165,1166,1167,1013,202,1168,1169,1170,1171,1172,1173,1174,1175,1176,1177,1178,1179,1180,966,202,1023,843,202,1181,1182,1183,1184,1185,1151,1152,966,202,1186,843,202,1187,1188,1189,1190,1191,1192,843,202,1193,1188,1189,1192,843,202,1194,1164,1165,1195,843,202,1196,1197,1198,1199,995,966,1200,1198,1201,995,966,1202,843,202,1203,1182,1204,1184,1185,1151,1088,1089,1205,1206,1207,1208,966,843,202,1209,1210,843,202,1211,1212,1213,1214,966,202,1215,1216,843,202,1217,1218,1151,1219,1220,966,202,1221,843,202,1222,1223,1224,843,202,1225,1226,1227,1228,1229,1230,1231,1232,1233,1234,1235,1236,1237,1238,1239,995,966,202,1240,1241,1242,1243,1180,966,1244,843,202,1245,1246,1247,1248,1234,1249,1237,1250,1251,1252,995,966,1253,843,202,1254,1255,1256,1257,1089,1258,1259,1260,995,1261,1262,1234,1263,995,980,202,1264,1265,1266,202,1267,1268,202,1269,1270,202,1271,1272,1273,1274,202,1275,1276,202,1277,1278,202,1279,1280,202,1281,1282,1283,1284,843,202,1285,1286,1287,1288,1289,1290,1291,1292,987,1293,1294,1295,1296,843,202,1297,1298,1299,1300,1301,843,202,1302,1303,1304,1305,1306,1307,1308,1309,1310,1311,1312,1313,1314,966,1315,843,202,1316,1317,1318,1319,843,202,1320,1321,843,202,1322,1323,1324,1325,202,1326,202,1327,202,1328,1329,966,202,1330,1331,1332,1333,1334,1335,1336,1337,995,202,1338,1339,995,966,202,1340,1341,1342,995,966,202,1343,1344,1345,1346,1347,1348,1349,1350,1180,966,202,1351,1352,1353,1354,1355,966,202,1356,1357,1358,1359,1360,1361,1362,1363,966,202,1364,1265,1365,202,1267,1366,202,1269,1367,202,1271,1367,202,1273,1368,202,1275,1369,202,1277,1370,202,1279,1369,202,1281,1371,1283,966,202,1372,1373,1374,966,202,1372,1375,1376,202,1377,1378,995,966,202,1372,1379,1380,202,1381,966,202,1372,1382,1383,1384,202,1385,1381,1386,966,202,1372,1387,1383,1388,202,1389,966,202,1372,1390,1391,1392,202,1393,1394,1395,1396,1397,1398,1399,1400,1399,1401,1402,1180,202,1403,1404,202,1405,1406,966,202,1372,1407,1408,1392,1409,1410,1411,1412,202,1413,202,1414,966,202,1372,1415,1416,1392,1409,1417,1418,1419,202,1383,1420,202,1389,966,202,1372,1421,1422,966,843],"use std::collections::BTreeSet;","use std::error::Error;","use std::ffi::OsStr;","use std::fmt::{self, Display, Formatter, Write as _};","use std::fs::OpenOptions;","use std::io::Write as _;","use std::path::{Path, PathBuf};","use std::process::Command;","use std::time::{SystemTime, UNIX_EPOCH};","type DynError = Box;","const RECEIPT_DIR: &str = \".repo-respect/receipts\";","const RECEIPT_TRAILER: &str = \"Repo-Respect-Receipt:\";","const REQUIRED_RECEIPT_FIELDS: &[&str] = &["," \"Task:\","," \"Files read:\","," \"Files edited:\","," \"Topic docs:\","," \"Generated artifacts:\","," \"Checks run:\","," \"Known risks:\","," \"Human reviewer:\",","];","#[derive(Debug)]","struct RepoRespectError {"," message: String,","impl RepoRespectError {"," fn new(message: impl Into) -> Self {"," Self { message: message.into() }"," }","impl Display for RepoRespectError {"," fn fmt(&self, formatter: &mut Formatter<'_>) -> fmt::Result {"," formatter.write_str(&self.message)","impl Error for RepoRespectError {}","#[derive(Clone, Copy)]","enum CheckMode {"," Branch,"," Staged,","pub(super) fn handle(args: impl IntoIterator) -> Result<(), DynError> {"," let mut args = args.into_iter();"," let Some(command) = args.next() else {"," print_help();"," return Err(RepoRespectError::new(\"repo-respect requires a command\").into());"," };"," match command.as_str() {"," \"receipt\" => {"," let Some(topic) = args.next() else {"," return Err("," RepoRespectError::new(\"usage: repo-respect receipt \").into()"," );"," };"," if args.next().is_some() {"," return Err(RepoRespectError::new("," \"repo-respect receipt accepts exactly one topic\","," )"," .into());"," }"," create_receipt(&topic)"," }"," \"check\" => {"," let mode = parse_check_mode(args)?;"," check(mode)"," \"help\" | \"--help\" | \"-h\" => {"," print_help();"," Ok(())"," other => {"," Err(RepoRespectError::new(format!(\"unknown repo-respect command: {other}\")).into())","pub(super) fn check_branch() -> Result<(), DynError> {"," check(CheckMode::Branch)","pub(super) fn check_staged() -> Result<(), DynError> {"," check(CheckMode::Staged)","pub(super) fn commit_message_failures(non_comment: &[&str]) -> Result, DynError> {"," let trailers = receipt_trailers(non_comment);"," if trailers.is_empty() {"," return Ok(vec![format!(\"non-merge commits require '{RECEIPT_TRAILER} ' trailer\")]);"," let root = git_root()?;"," let mut failures = Vec::new();"," for trailer in trailers {"," if !is_receipt_path(Path::new(&trailer)) {"," failures.push(format!("," \"{RECEIPT_TRAILER} path must be under {RECEIPT_DIR}/ and end in .md\""," ));"," continue;"," match read_receipt_from_git_index(&root, &trailer) {"," Ok(text) => failures.extend(validate_receipt_text(&trailer, &text)),"," Err(error) => failures.push(format!(\"{trailer}: {error}\")),"," Ok(failures)","fn print_help() {"," println!(\"Usage:\");"," println!(\" cargo run -p xtask -- repo-respect receipt \");"," println!(\" cargo run -p xtask -- repo-respect check (--branch|--staged)\");","fn parse_check_mode(args: impl IntoIterator) -> Result {"," let mut mode = None;"," for arg in args {"," match arg.as_str() {"," \"--branch\" => set_mode(&mut mode, CheckMode::Branch)?,"," \"--staged\" => set_mode(&mut mode, CheckMode::Staged)?,"," \"--help\" | \"-h\" => {"," print_help();"," return Err(RepoRespectError::new(\"help requested\").into());"," other => {"," return Err(RepoRespectError::new(format!("," \"unknown repo-respect check argument: {other}\""," ))"," .into())"," mode.ok_or_else(|| {"," RepoRespectError::new(\"repo-respect check requires --branch or --staged\").into()"," })","fn set_mode(mode: &mut Option, next: CheckMode) -> Result<(), DynError> {"," if mode.is_some() {"," return Err(RepoRespectError::new(\"choose only one receipt check mode\").into());"," *mode = Some(next);"," Ok(())","fn create_receipt(topic: &str) -> Result<(), DynError> {"," let slug = normalize_slug(topic)?;"," let date = current_utc_date()?;"," let path = unique_receipt_path(&root, &date, &slug);"," if let Some(parent) = path.parent() {"," std::fs::create_dir_all(parent)?;"," let changed_files = branch_and_worktree_paths(&root)?;"," let template = receipt_template(topic, &changed_files);"," let mut file = OpenOptions::new().write(true).create_new(true).open(&path)?;"," file.write_all(template.as_bytes())?;"," let relative = path.strip_prefix(&root).unwrap_or(&path);"," println!(\"Created {}\", relative.display());"," println!();"," println!(\"Add this commit trailer:\");"," println!(\"{RECEIPT_TRAILER} {}\", display_path(relative));","fn check(mode: CheckMode) -> Result<(), DynError> {"," check_root(&root, mode)?;"," if matches!(mode, CheckMode::Branch) {"," check_branch_commit_messages(&root)?;","fn check_root(root: &Path, mode: CheckMode) -> Result<(), DynError> {"," let changed = match mode {"," CheckMode::Branch => branch_paths(root)?,"," CheckMode::Staged => branch_and_staged_paths(root)?,"," let non_receipt_changes ="," changed.iter().filter(|path| !is_receipt_path(path)).cloned().collect::>();"," let receipt_paths ="," changed.iter().filter(|path| is_receipt_path(path)).cloned().collect::>();"," if non_receipt_changes.is_empty() {"," println!(\"Repo Respect: no receipt required for receipt-only or empty changes\");"," return Ok(());"," if receipt_paths.is_empty() {"," print_missing_receipt(mode, &non_receipt_changes);"," return Err(RepoRespectError::new(\"repo-respect receipt is required\").into());"," for path in receipt_paths {"," let text = read_receipt_for_mode(root, mode, &path)?;"," failures.extend(validate_receipt_text(&display_path(&path), &text));"," if failures.is_empty() {"," println!(\"Repo Respect: receipt coverage clean\");"," Ok(())"," } else {"," eprintln!(\"Repo Respect: receipt violations found\");"," for failure in failures {"," eprintln!(\" - {failure}\");"," Err(RepoRespectError::new(\"repo-respect receipt violations found\").into())","fn check_branch_commit_messages(root: &Path) -> Result<(), DynError> {"," let failures = branch_commit_message_failures(root)?;"," println!(\"Repo Respect: branch commit trailers clean\");"," eprintln!(\"Repo Respect: commit trailer violations found\");"," for failure in failures {"," eprintln!(\" - {failure}\");"," Err(RepoRespectError::new(\"repo-respect commit trailer violations found\").into())","fn print_missing_receipt(mode: CheckMode, changed: &BTreeSet) {"," let label = match mode {"," CheckMode::Branch => \"branch\","," CheckMode::Staged => \"staged/branch\","," eprintln!(\"Repo Respect: {label} changes require a receipt under {RECEIPT_DIR}/\");"," eprintln!(\"Changed non-receipt paths:\");"," for path in changed.iter().take(12) {"," eprintln!(\" - {}\", path.display());"," if changed.len() > 12 {"," eprintln!(\" - ... and {} more\", changed.len() - 12);"," eprintln!();"," eprintln!(\"Create a template with:\");"," eprintln!(\" cargo run --locked -p xtask -- repo-respect receipt \");"," eprintln!(\"Then stage the receipt and use this commit trailer:\");"," eprintln!(\" {RECEIPT_TRAILER} {RECEIPT_DIR}/.md\");","fn validate_receipt_text(path: &str, text: &str) -> Vec {"," for field in REQUIRED_RECEIPT_FIELDS {"," if !receipt_field_has_content(text, field) {"," failures.push(format!(\"{path}: missing non-empty '{field}' section\"));"," failures","fn receipt_field_has_content(text: &str, field: &str) -> bool {"," let Some(start) = text.find(field) else {"," return false;"," let after = &text[start + field.len()..];"," let end = REQUIRED_RECEIPT_FIELDS"," .iter()"," .filter(|candidate| **candidate != field)"," .filter_map(|candidate| after.find(candidate))"," .min()"," .unwrap_or(after.len());"," after[..end].lines().any(|line| {"," let trimmed = line.trim();"," receipt_line_has_content(trimmed)","fn receipt_line_has_content(trimmed: &str) -> bool {"," if trimmed.is_empty() || trimmed.starts_with(\"\\n\".to_string()"," let mut edited = String::new();"," for path in changed_files.iter().filter(|path| !is_receipt_path(path)) {"," let _ = writeln!(&mut edited, \"- `{}`\", display_path(path));"," if edited.is_empty() {"," \"\\n\".to_string()"," edited"," format!("," \"\\","# Receipt: {title}","Task:","","Files read:","","Files edited:","{files_edited}","Topic docs:","","Generated artifacts:","","Checks run:","","Known risks:","","Human reviewer:","","\""," )","fn title_case(value: &str) -> String {"," value"," .split(|character: char| !character.is_ascii_alphanumeric())"," .filter(|part| !part.is_empty())"," .map(|part| {"," let mut chars = part.chars();"," let Some(first) = chars.next() else {"," return String::new();"," format!(\"{}{}\", first.to_ascii_uppercase(), chars.as_str())"," })"," .collect::>()"," .join(\" \")","fn current_utc_date() -> Result {"," let duration = SystemTime::now().duration_since(UNIX_EPOCH)?;"," let days = i64::try_from(duration.as_secs() / 86_400)?;"," let (year, month, day) = civil_from_days(days);"," Ok(format!(\"{year:04}-{month:02}-{day:02}\"))","fn civil_from_days(days_since_unix_epoch: i64) -> (i64, i64, i64) {"," let z = days_since_unix_epoch + 719_468;"," let era = if z >= 0 { z } else { z - 146_096 } / 146_097;"," let day_of_era = z - era * 146_097;"," let year_of_era ="," (day_of_era - day_of_era / 1_460 + day_of_era / 36_524 - day_of_era / 146_096) / 365;"," let mut year = year_of_era + era * 400;"," let day_of_year = day_of_era - (365 * year_of_era + year_of_era / 4 - year_of_era / 100);"," let month_prime = (5 * day_of_year + 2) / 153;"," let day = day_of_year - (153 * month_prime + 2) / 5 + 1;"," let month = month_prime + if month_prime < 10 { 3 } else { -9 };"," if month <= 2 {"," year += 1;"," (year, month, day)","fn is_receipt_path(path: &Path) -> bool {"," path.extension() == Some(OsStr::new(\"md\"))"," && path.starts_with(RECEIPT_DIR)"," && path.file_name() != Some(OsStr::new(\".gitkeep\"))","fn display_path(path: &Path) -> String {"," path.to_string_lossy().replace('\\\\', \"/\")","#[cfg(test)]","mod tests {"," use std::fs;"," use std::sync::atomic::{AtomicUsize, Ordering};"," use super::*;"," static TEMP_COUNTER: AtomicUsize = AtomicUsize::new(0);"," struct TempDir {"," path: PathBuf,"," impl TempDir {"," fn new(name: &str) -> Self {"," let count = TEMP_COUNTER.fetch_add(1, Ordering::Relaxed);"," let path = std::env::temp_dir()"," .join(format!(\"bunny-repo-respect-{name}-{}-{count}\", std::process::id()));"," let _ = fs::remove_dir_all(&path);"," fs::create_dir_all(&path).expect(\"temporary directory should be created\");"," Self { path }"," fn path(&self) -> &Path {"," &self.path"," impl Drop for TempDir {"," fn drop(&mut self) {"," let _ = fs::remove_dir_all(&self.path);"," fn run_git(root: &Path, args: &[&str]) {"," let output ="," Command::new(\"git\").args(args).current_dir(root).output().expect(\"git should run\");"," assert!("," output.status.success(),"," \"git {:?} failed: {}\","," args,"," String::from_utf8_lossy(&output.stderr)"," fn write_file(root: &Path, relative: &str, text: &str) {"," let path = root.join(relative);"," fs::create_dir_all(path.parent().expect(\"fixture path should have a parent\"))"," .expect(\"fixture directory should be created\");"," fs::write(path, text).expect(\"fixture file should be written\");"," fn init_repo_with_origin_main(root: &Path) {"," run_git(root, &[\"init\"]);"," run_git(root, &[\"config\", \"user.email\", \"bunny@example.invalid\"]);"," run_git(root, &[\"config\", \"user.name\", \"Bunny Test\"]);"," write_file(root, \"src/lib.rs\", \"pub fn baseline() {}\\n\");"," run_git(root, &[\"add\", \"src/lib.rs\"]);"," run_git(root, &[\"commit\", \"-m\", \"seed: create baseline\"]);"," run_git(root, &[\"update-ref\", \"refs/remotes/origin/main\", \"HEAD\"]);"," fn valid_receipt_text() -> &'static str {","# Receipt: Fixture","Validate fixture behavior.","- `src/lib.rs`","None - test fixture.","None.","- `cargo test -p xtask`","Fixture reviewer."," #[test]"," fn slug_normalization_is_stable() {"," assert_eq!(normalize_slug(\"Matrix Types!\").expect(\"slug should normalize\"), \"matrix-types\");"," fn receipt_template_contains_required_field_headings() {"," let template = receipt_template(\"matrix types\", &BTreeSet::new());"," for field in REQUIRED_RECEIPT_FIELDS {"," assert!(template.contains(field), \"{field} should be present\");"," fn receipt_validation_requires_all_fields() {"," let failures = validate_receipt_text(\"receipt.md\", \"Task:\\nDo work.\\n\");"," assert!(failures.iter().any(|failure| failure.contains(\"Files read:\")));"," fn receipt_validation_rejects_placeholder_sections() {"," let failures ="," validate_receipt_text(\"receipt.md\", &receipt_template(\"placeholder\", &BTreeSet::new()));"," assert!(failures.iter().any(|failure| failure.contains(\"Task:\")));"," assert!(failures.iter().any(|failure| failure.contains(\"Human reviewer:\")));"," fn non_merge_commit_messages_require_receipt_trailers() {"," commit_message_failures(&[\"docs: update contributor guide\"]).expect(\"check should run\");"," assert!(failures.iter().any(|failure| failure.contains(\"Repo-Respect-Receipt:\")));"," fn changed_path_lists_include_deleted_files() {"," let temp = TempDir::new(\"deleted-paths\");"," init_repo_with_origin_main(temp.path());"," fs::remove_file(temp.path().join(\"src/lib.rs\")).expect(\"fixture file should be deleted\");"," run_git(temp.path(), &[\"add\", \"src/lib.rs\"]);"," run_git("," temp.path(),"," &["," \"commit\","," \"-m\","," \"test: delete fixture file\","," \"Repo-Respect-Receipt: .repo-respect/receipts/deletion.md\","," ],"," let branch = branch_paths(temp.path()).expect(\"branch paths should load\");"," let staged = branch_and_staged_paths(temp.path()).expect(\"staged paths should load\");"," assert!(branch.contains(Path::new(\"src/lib.rs\")));"," assert!(staged.contains(Path::new(\"src/lib.rs\")));"," fn staged_check_validates_receipt_content_from_index() {"," let temp = TempDir::new(\"staged-receipt\");"," write_file(temp.path(), \"src/feature.rs\", \"pub fn feature() {}\\n\");"," write_file(temp.path(), \".repo-respect/receipts/staged.md\", \"Task:\\nStaged only.\\n\");"," run_git(temp.path(), &[\"add\", \"src/feature.rs\", \".repo-respect/receipts/staged.md\"]);"," write_file(temp.path(), \".repo-respect/receipts/staged.md\", valid_receipt_text());"," let result = check_root(temp.path(), CheckMode::Staged);"," assert!(result.is_err(), \"staged receipt contents should be validated, not worktree edits\");"," fn branch_commit_message_failures_report_missing_trailers() {"," let temp = TempDir::new(\"branch-commit-trailers\");"," write_file(temp.path(), \".repo-respect/receipts/feature.md\", valid_receipt_text());"," run_git(temp.path(), &[\"add\", \"src/feature.rs\", \".repo-respect/receipts/feature.md\"]);"," run_git(temp.path(), &[\"commit\", \"-m\", \"test: add feature without trailer\"]);"," branch_commit_message_failures(temp.path()).expect(\"branch messages should be checked\");"," fn civil_date_matches_unix_epoch() {"," assert_eq!(civil_from_days(0), (1970, 1, 1));","crates/bunny-linalg/src/fixed_mat2.rs",[1425],{"_830":575,"_831":574,"_429":1426,"_834":62},[1427,202,837,202,1428,202,1429,1430,1431,1432,1433,1434,1435,1436,1437,1438,1439,1440,1441,1442,1443,1444,843,202,1445,1446,843,202,1447,1448,1449,1450,1451,1452,1453,843,202,1454,1455,843,202,1456,1457,1458,1459,202,1460,1461,1462,1463,1464,1465,1466,1467,1468,966,202,1469,1461,1470,1471,966,202,1472,1461,1473,1474,966,202,1475,1461,1476,1477,966,202,1478,1461,1479,1480,966,202,1481,1461,1482,1483,966,202,1484,1461,1485,1486,966,202,1487,1488,1489,1461,1490,1491,966,202,1492,1488,1489,1461,1493,1494,966,202,1495,1488,1496,1497,1461,1498,1499,1500,1501,1502,1503,1207,966,202,1504,1488,1505,1506,1461,1507,1508,1509,1510,995,202,1499,1511,1512,1513,1514,1207,966,843],"//! Two-dimensional fixed-point matrix primitives.","use crate::FixedVec2;","/// A 2x2 matrix using deterministic Q32.32 fixed-point entries.","///","/// Entries are named `mRC`, where `R` is the zero-based row and `C` is the","/// zero-based column. Multiplication treats vectors as column vectors, so","/// `matrix.checked_mul_vec2(vector)` computes each output component as one row","/// dot the input vector.","#[derive(Clone, Copy, Debug, PartialEq, Eq)]","pub struct FixedMat2 {"," /// Row 0, column 0."," pub m00: FixedQ32_32,"," /// Row 0, column 1."," pub m01: FixedQ32_32,"," /// Row 1, column 0."," pub m10: FixedQ32_32,"," /// Row 1, column 1."," pub m11: FixedQ32_32,","fn checked_dot2(lhs: FixedVec2, rhs: FixedVec2) -> Option {"," lhs.x.checked_mul(rhs.x)?.checked_add(lhs.y.checked_mul(rhs.y)?)","fn checked_det2("," m00: FixedQ32_32,"," m01: FixedQ32_32,"," m10: FixedQ32_32,"," m11: FixedQ32_32,",") -> Option {"," m00.checked_mul(m11)?.checked_sub(m01.checked_mul(m10)?)","fn checked_div_then_neg(value: FixedQ32_32, divisor: FixedQ32_32) -> Option {"," value.checked_div(divisor)?.checked_neg()","impl FixedMat2 {"," /// Identity 2x2 matrix."," pub const IDENTITY: Self ="," Self::new(FixedQ32_32::ONE, FixedQ32_32::ZERO, FixedQ32_32::ZERO, FixedQ32_32::ONE);"," /// Creates a matrix from row-major entries."," #[must_use]"," pub const fn new("," m00: FixedQ32_32,"," m01: FixedQ32_32,"," m10: FixedQ32_32,"," m11: FixedQ32_32,"," ) -> Self {"," Self { m00, m01, m10, m11 }"," /// Creates a matrix from two row vectors."," pub const fn from_rows(row0: FixedVec2, row1: FixedVec2) -> Self {"," Self::new(row0.x, row0.y, row1.x, row1.y)"," /// Returns row 0 as a vector."," pub const fn row0(self) -> FixedVec2 {"," FixedVec2::new(self.m00, self.m01)"," /// Returns row 1 as a vector."," pub const fn row1(self) -> FixedVec2 {"," FixedVec2::new(self.m10, self.m11)"," /// Returns column 0 as a vector."," pub const fn column0(self) -> FixedVec2 {"," FixedVec2::new(self.m00, self.m10)"," /// Returns column 1 as a vector."," pub const fn column1(self) -> FixedVec2 {"," FixedVec2::new(self.m01, self.m11)"," /// Returns the transposed matrix."," pub const fn transpose(self) -> Self {"," Self::new(self.m00, self.m10, self.m01, self.m11)"," /// Computes the determinant."," ///"," /// Returns `None` when intermediate checked Q32.32 arithmetic overflows."," pub fn determinant(self) -> Option {"," checked_det2(self.m00, self.m01, self.m10, self.m11)"," /// Multiplies this matrix by a 2D column vector."," pub fn checked_mul_vec2(self, rhs: FixedVec2) -> Option {"," Some(FixedVec2::new(checked_dot2(self.row0(), rhs)?, checked_dot2(self.row1(), rhs)?))"," /// Multiplies this matrix by another 2x2 matrix."," /// The resulting transform applies `rhs` first and `self` second when used"," /// with column vectors."," pub fn checked_mul_mat2(self, rhs: Self) -> Option {"," Some(Self::new("," checked_dot2(self.row0(), rhs.column0())?,"," checked_dot2(self.row0(), rhs.column1())?,"," checked_dot2(self.row1(), rhs.column0())?,"," checked_dot2(self.row1(), rhs.column1())?,"," /// Computes the inverse matrix."," /// Returns `None` when the matrix is singular or intermediate checked"," /// Q32.32 arithmetic overflows."," pub fn try_inverse(self) -> Option {"," let determinant = self.determinant()?;"," if determinant == FixedQ32_32::ZERO {"," return None;"," self.m11.checked_div(determinant)?,"," checked_div_then_neg(self.m01, determinant)?,"," checked_div_then_neg(self.m10, determinant)?,"," self.m00.checked_div(determinant)?,",[1516,1517,1518,1519,1520,1521,1522,1523,1524,1525,1526,1527,1528],{"_806":49,"_49":1549},{"_806":1530,"_164":1423,"_830":1547,"_831":1548},{"_806":49,"_49":1546},{"_806":1530,"_164":933,"_830":1544,"_831":1545},{"_806":1530,"_164":933,"_830":1542,"_831":1543},{"_806":49,"_49":1541},{"_806":1530,"_164":933,"_830":1539,"_831":1540},{"_806":1530,"_164":933,"_830":1537,"_831":1538},{"_806":49,"_49":1536},{"_806":1530,"_164":933,"_830":1534,"_831":1535},{"_806":49,"_49":1533},{"_806":1530,"_164":824,"_830":1531,"_831":1532},{"_806":49,"_49":1529},"\n\n**Testing**\n\n* ❌ `cargo test --locked -p xtask changed_path_lists_include_deleted_files staged_check_validates_receipt_content_from_index branch_commit_message_failures_report_missing_trailers receipt_validation_rejects_placeholder_sections` — agent command error: Cargo accepts only one positional test filter before `--`.\n* ✅ `cargo test --locked -p xtask`\n* ✅ `cargo test --locked -p bunny-linalg --test matrix_tests mt_tp_012_fixed_mat2_inverse_divides_min_off_diagonal_before_negating`\n* ✅ `git status --short`","repo_file_citation",148,156,"\n* Confirmed regression coverage exists for the `FixedMat2` minimum off-diagonal inverse boundary case. ",727,778,"\n* Confirmed regression coverage exists for deleted-path coverage, staged-index receipt validation, branch trailer enforcement, and placeholder rejection. ",289,299,520,542,"\n* Confirmed receipt placeholders are generated as comments and legacy `TBD`/`TODO` section content is rejected. ",227,239,179,185,"\n* Confirmed repo-respect branch checks now enforce branch commit trailer validation after receipt coverage checks. ",129,140,"### Summary\n\n* Verified commit `6ec2f4e` is already present at `HEAD` and the working tree is clean, so I made no additional code changes, did not create a commit, and did not open a new PR.\n* Confirmed the `FixedMat2::try_inverse` fix divides off-diagonal entries before negating, avoiding pre-division negation of `i64::MIN`. ",{"_95":328,"_45":87,"_99":328,"_1552":1553,"_1554":1555,"_1556":1557,"_135":-5,"_122":1558},[86],"input_items",[1577,1578,1579,1580,1581,1582,1583,1584,1585],"external_post_config",{"_1559":1560,"_266":199,"_1561":308,"_277":-5,"_1562":260,"_1563":-5,"_1564":-5,"_1565":1566,"_1567":1568,"_1569":-5,"_1570":-5,"_1571":1572,"_1573":18,"_1574":62,"_1575":57,"_1576":18},"user_model_slug","slug",1782046836.7128,"installation_id",89912914,"pr_number","repo_id","gitlab_service_account_project_id","review_trigger","comment_id",4762054004,"comment_type","issue","pr_write_guard_token","pending_pr_reaction_id","pending_comment_reaction_id",372775515,"comment_if_no_findings","comment_on_error","share_url","is_parallel_review",{"_95":435,"_99":328,"_429":1602},{"_315":316,"_317":318,"_1599":322,"_1600":132,"_324":-5,"_95":1601},{"_95":1586,"_317":1598,"_164":-5,"_1588":-5,"_1589":-5},{"_95":1586,"_317":1597,"_164":933,"_1588":1591,"_1589":-5},{"_95":1586,"_317":1596,"_164":1423,"_1588":1591,"_1589":-5},{"_95":1586,"_317":1593,"_164":1594,"_1588":1591,"_1589":1595},{"_95":1586,"_317":1592,"_164":933,"_1588":1591,"_1589":-5},{"_95":1586,"_317":1590,"_164":933,"_1588":1591,"_1589":-5},{"_95":1586,"_317":1587,"_164":-5,"_1588":-5,"_1589":-5},"pull_request_comment","\n### 💡 Codex Review\n\nHere are some automated review suggestions for this pull request.\n\n**Reviewed commit:** `7ef5f0e76e`\n \n\n

ℹ️ About Codex in GitHub

","side","line","**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Reject placeholder receipt sections**\n\nBecause any non-empty non-comment line counts as section content, a freshly generated receipt with the default `TBD` placeholders satisfies every required field and makes the receipt gate report coverage clean without files read, checks run, risks, or reviewer information actually being filled in. Treat the template placeholders as invalid until replaced, or emit them as comments so the universal receipt gate enforces meaningful receipts.\n\nUseful? React with 👍 / 👎.","RIGHT","**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Validate the staged receipt contents**\n\nIn `--staged`/pre-commit mode, this reads the receipt from the working tree instead of the index, so the hook can validate different content than what will be committed when a staged receipt also has unstaged edits. For example, a staged receipt missing required sections passes if the working copy was later fixed, and the bad staged version is still what gets committed; read staged receipt blobs for staged checks.\n\nUseful? React with 👍 / 👎.","**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Enforce receipt trailers in the full gate**\n\nThe new full/CI gate only calls `check_branch()`, which verifies that the branch diff contains a valid receipt file, but it never walks the branch's non-merge commits and applies `commit_message_failures` to their messages. In CI or any push where local hooks were not installed or were bypassed, a branch with one receipt file but commits missing `Repo-Respect-Receipt:` trailers still passes, so the newly documented per-commit trailer requirement is not actually universal.\n\nUseful? React with 👍 / 👎.","xtask/src/code_dojo.rs",209,"**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Avoid negating MIN before inverse division**\n\nFor matrices with a raw `i64::MIN` off-diagonal and a determinant magnitude greater than one, e.g. `[[2, MIN_RAW], [0, 2]]`, the inverse entry `-m01/det` is representable, but this negates `m01` before dividing, so `checked_neg` returns `None` and the whole inverse is rejected. Let `checked_div` handle the sign, or divide before negating, so representable boundary inverses are not reported as overflow.\n\nUseful? React with 👍 / 👎.","**_{_{![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat)}} Include deletions in receipt coverage**\n\nWhen a branch or staged commit only deletes a non-receipt file, this `--diff-filter=ACMR` omits the deleted path (the Git docs for `--diff-filter` define `D` as Deleted, so `ACMR` selects only added/copied/modified/renamed paths). That leaves `non_receipt_changes` empty and lets the new repo-respect gate pass as receipt-only/empty even though the PR changed the repository by deleting files; include deletions (and likely type changes) or remove the filter for receipt coverage.\n\nUseful? React with 👍 / 👎.","\n\n\n> [!WARNING]\n> ## Review limit reached\n> \n> `@flyingrobots`, we couldn't start this review because you've reached your PR review rate limit.\n> \n> More reviews will be available in 14 minutes and 11 seconds. [Learn how PR review limits work](https://docs.coderabbit.ai/management/plans#fair-usage-limits-policy).\n> \n> Your organization has run out of usage credits. Purchase more credits in the [billing tab](https://app.coderabbit.ai/settings/billing?tab=usage&orgId=4252c417-78a1-49cd-a607-68d1e6bdacc4) to continue.\n> \n>

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ℹ️ Review info

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