20:"$Sreact.view_transition" 21:I[9754,["/_next/static/chunks/2t36f5p4pjzlb.js","/_next/static/chunks/1gyqeidjm5eoa.js","/_next/static/chunks/0_fjnxc4tt_l_.js","/_next/static/chunks/1ymt1shyhmu-4.js","/_next/static/chunks/3kv2zf0i7s2wc.js","/_next/static/chunks/1vs_3g_g75zmk.js","/_next/static/chunks/2g4dh802s8oz3.js","/_next/static/chunks/1bc3f0shukf1j.js","/_next/static/chunks/192kgs9v_t14j.js","/_next/static/chunks/0z6pw0v5c_lx5.js","/_next/static/chunks/08r60e6icmtkc.js","/_next/static/chunks/3trx6c0i7_x-3.js","/_next/static/chunks/40sro5bzp9bi_.js","/_next/static/chunks/1wgf3tk38y6cf.js"],"ProjectDetail"] 22:T5564, Happier · 一根线穿过的跨设备会话

Happier — 跨设备会话客户端MIT · 自托管 · E2E 加密

一个会话是一根线，
穿过手机、笔记本与桌面却从不中断。

在本地启动 AI 编码会话，然后从手机、网页或桌面继续并控制它。上下文只存在一次，跟着这根线走——而不是在每个设备上各复制一份。

$ npm install -g @happier-dev/cli 打开 Happier →

连续性解剖：会话是一根线，不是副本

同一份对话状态，在你的每一台机器上是同一件东西。浏览它、跟随它、接管它——身体换设备，上下文不换。

浏览 · 跟随 · 接管

在这根线上，你可以浏览现有会话来找到它，跟随一个正在进行的会话观察进展，或从任意一端真正把它接管过来——继续正是对方停下的那一步。

thread stays • context stays

一把钥匙，不是每台一份

会话上下文不会在每台设备上各存一份。它始终是这一根连续的线，设备只是读线的一端。

one thread, many displays

代理接缝：每种代理都焊在同一条线上

Claude Code、Codex、OpenCode、Kimi 与 Qwen 并不各自为营。它们是一段段亮色的接缝，同样焊接在这一根连续的会话线上，你按需选用。

Claude Code

以 Anthropic 的代理启动会话并写入同一条线。

Codex

让线穿过 codex-agent，同一会话继续控制。

OpenCode

opencode 也作为接缝接入同一根线。

Kimi

在线的另一段接缝处接上 Kimi 会话。

Qwen

Qwen 同样是焊接在同一条线上的代理接缝。

交接机制：接管、分叉与重放

线不会断，但在每一次交接里，它的走向都由你重握。

接管 live 线程

从手机或浏览器抓住正在运行的线程，在另一端继续执行，进度不归零。

分叉会话

在任意一点把这一根线分出一股，保留原线程，另起一条新走向。

重放历史

顺着线程重放一段对话史，回看决策；再基于它从彼刻继续。

跨机交接

从这台电脑交到另一台电脑，线与上下文完好随行。

延伸回路：从线本身绕出的能力

会话线是一根主轴，协作、语音、收件箱与终端都在这条轴的侧面绕成回路。

协作会话

与他人共享同一根线，一起沿会话继续推进。

语音助手

用声音驱动会话，线照样连续。

收件箱 · 待办队列

把消息与待办挂到线上，逐条清空。

Git 与文件浏览器

在同一条线程内查看提交与文件。

嵌入终端

在会话旁边直接跑命令，线不断。

MCP 服务器管理

在线路的任意一端管理 MCP 服务器。

隐私护套：整根线都躺在加密套管里

从本地到远端，会话线全程端到端加密。它可自托管，也支持企业级认证方式。

端到端加密
自托管
GitHub OAuth
OIDC
mTLS
无密钥外部认证
加密不是事后贴上的徽章，而是容纳整根线的护套——线在其中运行，密钥决定谁能接管。

Install · License · Status

npm install -g @happier-dev/cli

许可证 MIT · 处于 alpha 预览阶段，可能在快速迭代中仍有 bug —— 部分功能（如 Play Store 应用）尚在测试。

23:T4e07, Happier · One thread through every device

Happier · cross-device clientMIT · self-hosted · E2E

One session, one thread —
unbroken across phone, laptop, and desktop.

Start a coding session on your computer, then continue and control it from your phone, the web, or your desktop. The context is one thread that follows you — never a copy per device.

$ npm install -g @happier-dev/cli Open Happier →

Continuity anatomy: one session, not copies

The same conversation state is the same thing on every machine you touch. Browse it, follow it, or take it over — your device changes, your context does not.

Browse · Follow · Take over

Work along this thread by browsing an existing session to find it, following a live one to watch it progress, or taking over from either end and continuing exactly where it stopped.

thread stays · context stays

One strand, many displays

The session's context is never stored as a copy on each device. It is always this one continuous line, and each device is simply an end that reads it.

one thread, many displays

Provider seams: each agent welds onto the same thread

Claude Code, Codex, OpenCode, Kimi, and Qwen do not each run as islands. They are short colored seams welded onto the very same continuous thread, ready when you are.

Claude Code

Start a session with Anthropic's agent and write it onto the same line.

Codex

Run the thread through codex and keep controlling the same session.

OpenCode

OpenCode joins as a seam into the same line.

Kimi

Pick the session up under Kimi at another seam.

Qwen

Qwen, another agent seam welded onto the shared thread.

Handoff mechanics: take over, fork, replay

The thread never snaps, but at each handoff you decide where it goes next.

Take over a live thread

Grab a running thread from your phone or browser and keep driving it from the other end — progress never resets.

Fork a session

Branch the strand at any point: keep the original line, spin a new direction alongside it.

Replay history

Run back through a stretch of the thread to revisit decisions, then continue forward from that moment.

Hand off between machines

Move from one computer to another — the line and its context travel intact.

Extension loops: capabilities that loop off the line

The session thread is the spine; collaboration, voice, inbox, and terminals all loop in along its side.

Collaborative sessions

Share the same strand and push a session forward together.

Voice assistant

Drive the session by voice, and the line stays continuous.

Inbox · pending queue

Hang messages and queued work on the line, then clear them one by one.

Git & file browser

Inspect commits and files within the same thread.

Embedded terminal

Run commands beside the session without breaking the line.

MCP server management

Manage MCP servers from any end of the line.

A privacy sheath around the whole thread

From your machine to the remote end, the session line travels fully end-to-end encrypted. It is self-hostable and supports enterprise authentication.

End-to-end encrypted
Self-hostable
GitHub OAuth
OIDC
mTLS
Keyless external auth
Encryption is not a badge bolted on later — it is the sleeve that holds the whole line: the thread runs inside it, and a key decides who may take it over.

Install · License · Status

npm install -g @happier-dev/cli

Licensed MIT · currently in alpha@preview and iterating fast, so it may be buggy — some features (e.g. the Play Store app) are still in beta.

24:T62c,The three directions were compared on how well each expresses the project's core mechanism, which is the single most defensible fact in material.json: a session that starts locally and is continued and controlled across devices 'without losing context.' Direction B (Custody Relay) is a strong second because it conveys handoff ownership precisely, and Direction C (Cipher Keyway) captures end-to-end encryption as a configurable shape rather than a claim. Direction A (The Unbroken Thread) is selected because continuity — 'continue then control remotely without losing context,' one session, not per-device copies — is the project's loudest and most distinctive value, and it is the only direction whose signature visual (a single line threading several device notches) illustrates that exact mechanism rather than a supporting property. It also diverges most cleanly from all three recent anti-pattern signatures in material.json.antiTemplateContext: it is not a radial dial cluster, not a segmented relay rail with a traveling dot, and not a translucent screen pile; the thread uses no dot, no rail seam, and no stacking. The hero, continuity anatomy, provider seams, handoff mechanics, extension loops, and privacy sheath all map to documented claims (session browsing/follow/takeover/fork/replay/handoff; multiple agents; collaboration, voice, inbox, queue, git & file browser, terminal, MCP; e2e encryption and self-hosting), every section is evidence-anchored, and no local media exists so the media region is removed in favor of the derived thread-and-cutout drawing.25:T484,The selected direction "The Unbroken Thread" (direction-session-thread) is faithfully implemented in both zh-CN and en. The signature visual — a single continuous gradient line threading through three device cutouts (phone low, laptop mid, desktop high) on a fine-ruled paper field — is present as real hero SVG markup in both editions, with no traveling dot, rail, stacking, or radial geometry, cleanly diverging from all three antiTemplate fingerprints. All seven brief sections are present (hero, continuity-anatomy, provider-seams, handoff-mechanics, extension-loops, privacy-sheath, install-alpha) along their evidence-anchored copy; every claim maps to a documented fact and no metric or number row is fabricated. Mobile CSS genuinely recomposes (single-column grids collapse, spine moves to a left vertical channel at 390px with no horizontal overflow). Both locales share the identical section sequence and concept with natural, non-literal, language-appropriate copy. No generic Hero/three-card/device-shell/gradient-grid fallback and no fake controls. QA reports confirm 0 broken images, 0 missing alt, 0 fake controls, and no console errors.26:T484,The selected direction "The Unbroken Thread" (direction-session-thread) is faithfully implemented in both zh-CN and en. The signature visual — a single continuous gradient line threading through three device cutouts (phone low, laptop mid, desktop high) on a fine-ruled paper field — is present as real hero SVG markup in both editions, with no traveling dot, rail, stacking, or radial geometry, cleanly diverging from all three antiTemplate fingerprints. All seven brief sections are present (hero, continuity-anatomy, provider-seams, handoff-mechanics, extension-loops, privacy-sheath, install-alpha) along their evidence-anchored copy; every claim maps to a documented fact and no metric or number row is fabricated. Mobile CSS genuinely recomposes (single-column grids collapse, spine moves to a left vertical channel at 390px with no horizontal overflow). Both locales share the identical section sequence and concept with natural, non-literal, language-appropriate copy. No generic Hero/three-card/device-shell/gradient-grid fallback and no fake controls. QA reports confirm 0 broken images, 0 missing alt, 0 fake controls, and no console errors.a:[["$","$20",null,{"enter":{"secondary-forward":"secondary-forward","secondary-back":"secondary-back-enter","default":"none"},"exit":{"secondary-forward":"secondary-forward","secondary-back":"secondary-back-exit","default":"none"},"update":{"secondary-forward":"secondary-forward","secondary-back":"secondary-back-update","default":"none"},"default":"none","children":["$","$L21","cmt2xbyx600saj9djivyrvqxt:zh-CN:beautified",{"project":{"id":"cmt2xbyx600saj9djivyrvqxt","slug":"happier-dev-happier-fa65db8","name":"happier","description":"为 AI 编码代理打造的端到端加密跨设备客户端","authorName":"happier-dev","authorVerification":{"verified":false,"verifiedAt":null},"category":"development_tools","subcategory":"data_ai_tools","experienceUrl":"https://happier.dev/","qualityScore":96,"featured":false,"officialSite":null,"views":{"original":{"available":true},"official":{"available":false,"reason":"disabled_by_policy"},"beautified":{"available":true,"reason":null},"defaultView":"beautified"},"beautifiedView":{"revisionId":"cmt2ydfdv008bwg4mbpvxi6zx","kind":"artifact","artifact":{"schemaVersion":"localized-static-html-v4","kind":"static_html","locales":["zh-CN","en"],"defaultLocale":"zh-CN","documents":{"zh-CN":"$22","en":"$23"},"designDirections":{"schemaVersion":"dodot-design-directions-v1","directions":[{"id":"direction-session-thread","name":"The Unbroken Thread","projectMetaphor":"A single continuous session thread that never breaks as it passes through phone, laptop, and desktop receivers. The session is one thing everywhere, not a copy per device.","signatureVisual":"One unbroken thin line threading through three device notches (phone edge, laptop palm-rest gap, desktop monitor mouth) laid side-by-side on a ruled canvas. 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Owning the token means being the active station; the token itself is always singular.","signatureVisual":"Two asymmetric machine plates (typed as station marks, not device mockups) joined by a link line, with a single custody node that visibly transfers from one plate to the other. 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Ruled strips become narrow single columns that read as a chronological log instead of parallel panels.","mediaStrategy":"No product screenshots. The custody node's transfer is the generative motion and the signature visual. Textural register/ledger rows carry the remaining evidence; the CLI command renders as a ledger first-row.","forbiddenPatterns":["no gauge, dial, or radial readout (nothing canted or concentric)","no metric cards or stat triplet","no terminal / dashboard / device mockup shell","no fake status toggles, switches, or checkmarks","no glowing node field or particle system"],"compositionFingerprint":"A single custody node transferring between two asymmetric machined plates joined by a link, on a ruled steel field, with only one saturated amber element."},{"id":"direction-cipher-keyway","name":"Cipher Keyway","projectMetaphor":"Every device is a separate keyway; the end-to-end encrypted session only turns once the matching key is present, and the same key turns differently in each groove. 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The page uses a single uninterrupted thread through several negative-space device cutouts as its signature visual, with all sections aligned to the same continuous spine; desktop and mobile share the same line but recompose its spatial arrangement differently. Copy reads naturally in English with English-appropriate density, and never fakes product screenshots or metrics."},"forbiddenPatterns":["no metric cards (no three-number rows anywhere)","no separate feature-card walls that could host any project's copy","no device mockup shells (devices appear only as negative-space notches, never as framed product screens)","no fake chat / terminal / editor window","no per-device color-coding alone as the differentiator","no radial/dial/rail-dot/pile geometry reused from the antiTemplateContext"]},"visualReview":{"schemaVersion":"dodot-automated-design-review-v1","status":"approved","summary":"$25","checks":{"projectFit":{"passed":true,"evidence":"Both editions realize the brief's project metaphor: one session is one unbroken thread passing through phone/laptop/desktop cutouts, with continuity (browse/follow/take-over/fork/replay/handoff), provider seams, extension loops (collaboration, voice, inbox/queue, git & file browser, embedded terminal, MCP), a privacy sheath, and an install+alpha strip. 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$\"Happier$ ### Mobile, Web and Desktop client for Claude Code, Codex, OpenCode, Pi, Cursor, ... Run Claude Code, Codex, Gemini, OpenCode (and more) on your computer
and continue seamlessly from your phone, browser, or desktop app.

$\"Happier$

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