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• 🦀 challenger crab: rare, exceptional readiness with strong proof, clean implementation, and convincing validation.
• 🦞 diamond lobster: very strong readiness with only minor maintainer review expected.
• 🐚 platinum hermit: good normal PR, likely mergeable with ordinary maintainer review.
• 🦐 gold shrimp: useful signal, but proof or patch confidence is still limited.
• 🦪 silver shellfish: thin signal; proof, validation, or implementation needs work.
• 🧂 unranked krab: not merge-ready because proof is missing/unusable or there are serious correctness or safety concerns.
• 🌊 off-meta tidepool: rating does not apply to this item.

Shiny media proof means a screenshot, video, or linked artifact directly shows the changed behavior. Runtime, network, CSP, and security claims still need visible diagnostics.

Best possible solution:

Land the bounded parent-canonicalization fix after maintainer filesystem-boundary review and current-head required checks, leaving the linked bug open until the merge closes it.

Do we have a high-confidence way to reproduce the issue?

Yes, at source level: the linked report gives a concrete Linux memory -> oc_system/memory failure path, and current main sends the lexical symlink path into fs-safe writes before the PR changes that path. I did not run tests because this review is read-only.

Is this the best way to solve the issue?

Yes, with maintainer boundary approval: the patch keeps the lexical workspace check, canonicalizes only the existing parent, and still relies on fs-safe for final-file, hardlink, and outside-root enforcement.

Label justifications:

• P2: The PR addresses a real but bounded agent filesystem write/edit bug with workarounds and limited blast radius.
• merge-risk: 🚨 security-boundary: The diff intentionally changes how workspace-only filesystem tools traverse symlinked directory parents.
• rating: 🐚 platinum hermit: Current PR rating is 🐚 platinum hermit because proof is 🦞 diamond lobster, patch quality is 🐚 platinum hermit, and Focused patch with strong proof and no blocking finding; the remaining gate is maintainer review of the filesystem-boundary policy.
• status: 👀 ready for maintainer look: ClawSweeper has no concrete contributor-facing blocker left for this PR. Sufficient (terminal): The PR body provides after-fix WSL terminal-style proof, focused real symlink write/edit tests, negative boundary tests, and a Crabbox/Testbox changed-check run.
• proof: sufficient: Contributor real behavior proof is sufficient. The PR body provides after-fix WSL terminal-style proof, focused real symlink write/edit tests, negative boundary tests, and a Crabbox/Testbox changed-check run.

Acceptance criteria:

• OPENCLAW_VITEST_MAX_WORKERS=1 OPENCLAW_VITEST_NO_OUTPUT_TIMEOUT_MS=900000 CI=1 node scripts/run-vitest.mjs src/agents/pi-tools.workspace-paths.test.ts src/agents/pi-tools.workspace-only-false.test.ts src/infra/fs-safe.test.ts src/agents/sandbox/fs-bridge.anchored-ops.test.ts
• git diff --check HEAD~1 HEAD
• corepack pnpm exec oxfmt --check --threads=1 CHANGELOG.md src/agents/pi-tools.read.ts src/agents/pi-tools.workspace-paths.test.ts
• corepack pnpm exec oxlint src/agents/pi-tools.read.ts src/agents/pi-tools.workspace-paths.test.ts

What I checked:

• Current main failure surface: Current main converts workspace-only host write/edit targets with toRelativeWorkspacePath(root, absolutePath) and passes the lexical relative path into fsRoot(root).write(...), so a symlink directory parent is still visible to fs-safe writes. (src/agents/pi-tools.read.ts:887, 029472c6defd)
• PR implementation: The PR changes the write and edit writeFile paths to call toCanonicalRelativeWorkspacePath, which first checks the lexical workspace boundary, canonicalizes the existing parent, and then rechecks the canonical target relative to the real workspace root. (src/agents/pi-tools.read.ts:891, 0443b850afb7)
• Regression and boundary coverage: The PR adds Linux tests for writing and editing through an in-workspace symlink parent, plus negative tests for outside-workspace symlink parents and final-file symlink writes. (src/agents/pi-tools.workspace-paths.test.ts:227, 0443b850afb7)
• Dependency contract: The repo pins @openclaw/fs-safe 0.2.7; its root write path resolves under the real root, rejects path-alias escapes, uses no-follow open flags for final writes, rejects hardlinks, and verifies the written file remains inside the root after write. (package.json:1814, 029472c6defd)
• Current-head force-push check: The final force-push from 039743f to 0443b85 changed only CHANGELOG.md, so the source and regression-test proof from the prior reviewed source head still applies to the current PR head. (CHANGELOG.md:84, 0443b850afb7)
• Feature history: History shows the workspace-only host write/edit behavior dates through the initial workspace-only guard work, later host write/edit workspaceOnly handling, and fs-safe hardening commits. (src/agents/pi-tools.read.ts:887, 172583972065)

Likely related people:

• steipete: Peter Steinberger authored the initial optional workspace-only filesystem guards and later fs-safe/host-write hardening, and recently split these files into the current shape. (role: recent area contributor and boundary owner signal; confidence: high; commits: 5e7c3250cb16, e3385a65789b, 846f56642bbb; files: src/agents/pi-tools.read.ts, src/infra/fs-safe.ts, src/agents/pi-tools.workspace-paths.test.ts)
• 大猫子: The squash commit for the host write/edit workspaceOnly=false fix directly modified createHostWriteOperations and createHostEditOperations, which are the paths this PR changes. (role: introduced adjacent host write/edit workspaceOnly behavior; confidence: medium; commits: 172583972065; files: src/agents/pi-tools.read.ts, src/agents/pi-tools.workspace-only-false.test.ts)
• velvet-shark: The host write/edit workspaceOnly=false squash metadata records review by @velvet-shark, making them a plausible reviewer for this boundary-adjacent change. (role: reviewer of adjacent behavior; confidence: low; commits: 172583972065; files: src/agents/pi-tools.read.ts)

Codex review notes: model gpt-5.5, reasoning high; reviewed against 029472c6defd.

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