[codex] Document Linux fork QA posture

[Jesssullivan]

Summary

• add a fork-facing README section for the Linux/lmux workstream
• point Linux QA users to the owned issue, install, and intake surfaces
• list the portable Zig libraries used to replace macOS-only or attestation-coupled plumbing
• align the lmux relationship draft with the Manaflow coordination invitation and contact email

Validation

• git diff --check

[greptile-apps]

Greptile Summary

This is a documentation-only PR that adds a fork-status section to README.md describing the Linux/lmux QA posture, distro targets, and portable Zig library dependencies, and extends docs/lmux-relationship.md with a coordination invitation and contact email. Both referenced files (docs/linux-qa-intake.md and docs/release/linux-install.md) exist in the repo and all Markdown links are correctly formatted.

Confidence Score: 5/5

Safe to merge — documentation-only change with no code or logic impact.

Both changed files are pure Markdown documentation. All internal links resolve to existing files, no broken anchors or missing referenced documents were found, and the additions are consistent with the stated goals of the PR.

No files require special attention.

Important Files Changed

Filename	Overview
README.md	Adds a prominent "Jesssullivan fork status" section documenting Linux/lmux QA posture, distro targets, Zig library links, and contact info — all referenced files exist and links are correctly formatted.
docs/lmux-relationship.md	Adds a preferred-wording bullet inviting Manaflow to coordinate, and appends a contact email to the draft outreach message — consistent with the file's stated purpose.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    U["Manaflow upstream\n(manaflow-ai/cmux)"]
    F["Jesssullivan/cmux fork\n(lmux workstream)"]
    ZC["zig-ctap2\n(CTAP2/FIDO2 USB HID)"]
    ZK["zig-keychain\n(Keychain / Secret Service)"]
    ZCR["zig-crypto\n(portable crypto primitives)"]
    ZN["zig-notify\n(desktop notifications)"]
    QA["Linux QA reporters\n(Ubuntu 24.04 · Fedora 42 · Debian 12 · Rocky 10)"]
    IS["docs/linux-qa-intake.md\ndocs/release/linux-install.md"]

    U -->|"GPL-3.0-or-later fork"| F
    F -->|"uses"| ZC
    F -->|"uses"| ZK
    F -->|"uses"| ZCR
    F -->|"uses"| ZN
    QA -->|"report results"| IS
    IS -->|"triage → upstream if warranted"| U
    F -->|"upstreamable patches (human-submitted)"| U

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