WhyBuddy

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A Simple and Universal Product Rehearsal Engine, Speccing Anything. 简洁通用的产品推演引擎，推演万物。

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SlideRule · product rehearsal engine 
 Clarify ideas, ship a runnable product. 
 把想法问清楚，把产品跑起来

TRAE Skill Challenge / Community Showcase Project ·
 product name SlideRule ·
 <a href="https://sliderule.ai">sliderule.ai</a> ·
 hosted at <a href="https://github.com/xiaojilele-glitch/WhyBuddy">xiaojilele-glitch/WhyBuddy</a>
 (the repo keeps the project's original name)

🏆 Winner of the Pioneer Skill Award (先锋技能奖) at the TRAE「一切皆可 Skill · SOLO 技能创作赛」— judged "outstanding in practicality and completeness, with strong promotion value". Entry: <a href="https://forum.trae.cn/t/topic/17058">From one sentence to executable specs</a> · <a href="https://forum.trae.cn/t/topic/69450">official announcement</a>

<blockquote>
🧭 North Star: "An AI claiming something is done does not count. Only artifacts that pass deterministic gates count." 
The single product main line is SlideRule — intent → evidence-gated application rehearsal. <code>/autopilot</code> is the archived v4 demo. See <a href="./docs/NORTH_STAR.md">NORTH_STAR.md</a>.
</blockquote>

<a href="./README.md">English</a> ·
 <a href="./README.zh-CN.md">简体中文</a>

---

## Why the name

A **slide rule** is an engineer’s analog calculator: scales, a cursor, and alignment before you trust a number.

**SlideRule** is the same idea for product decisions — not a magic “one-click app factory,” but a **rehearsal instrument**:

- every step is visible
- every artifact must pass deterministic gates
- only then does a runnable application appear

If AI says “done,” that still does not count. **The gate has to pass.**

---

## ⚡ 30 Second Overview

> **You enter one sentence. SlideRule rehearses a complete product plan — then lets you run it.**
>
> Five-system model · Evidence-gated artifacts · Publish closure · Browser live runtime
>
> Fully visible · Fully exportable · Fully backed by an evidence trail

### 🎯 Pain

You spend **days** writing a PRD, **weeks** aligning the team, and **months** before you know whether the direction is even right.

</td>
<td width="50%">

### 💡 Solution

Enter an idea → **one coffee’s worth of real multi-loop deliberation, every step visible** → full rehearsal → decide whether it is worth building → if not, move on without months of sunk cost.

</td>
</tr>
</table>

### What it is / is not

| SlideRule **is** | SlideRule **is not** |
| :--------------- | :------------------- |
| A **product rehearsal engine** (intent → gated plan → previewable app) | A pure **code agent** (Devin / Cursor-style repo labor) |
| A **business-structure generator** (data · RBAC · workflow · pages · AIGC) | A **chatbot / workflow builder** alone (Dify / n8n) |
| A **trust-first** system: gates, evidence, fail-closed tools | An unconstrained “vibe UI” generator with no publish bar |

Closest mental models people use: *“v0/Lovable for the generation surface, Power Platform–like business structure, Manus-like long deliberation — ending in a gated app model, not a git repo.”*

---

## 🎮 Try It Now (Zero Install)

The static demo runs entirely in your browser — no backend, no key, nothing to install:

- **Workbench (start here)** → <https://xiaojilele-glitch.github.io/WhyBuddy/agent-loop/workbench>
- **Rehearsal surface** → <https://xiaojilele-glitch.github.io/WhyBuddy/agent-loop/sliderule>

What you can do there:

- **Watch a full rehearsal** — the main demo card pre-fills a real project intent (community pet-clinic booking & triage); press send and watch the engine reason through six skills to a **6/6 publish closure**. Playback is captured from a real end-to-end LLM run, not hand-written.
- **Open finished examples** — gallery cards (second-hand instrument consignment · script-murder venue scheduling) open as fully closed rehearsals: read the report, **run the generated app**, switch roles, drive approvals.
- **BYOK** — bring an OpenAI-compatible key (stays in your browser) to run live rehearsals on new topics.

---

## Product Screens

A consolidated 16-screen photo wall from SlideRule example rehearsals.

**Watch the Full Rehearsal Demo**

TRAE SOLO-based product rehearsal automation: from a one-sentence idea to executable specs.

[<img src="./docs/assets/LiveVideo.png" alt="TRAE SOLO product rehearsal automation demo video" width="100%" />](https://www.bilibili.com/video/BV1BbEA6RE8a/?spm_id_from=333.1007.top_right_bar_window_history.content.click&vd_source=f07b7d222ea8a4494ad17a2a3911b1ae)

Click the video cover above to open the Bilibili demo.

---

## ⚙️ The V5 Rehearsal Engine

One sentence in → multi-loop reasoning over a **capability pool** (evidence search, risk analysis, counter-arguments, synthesis, reporting…) → a **five-system model** (data model · RBAC · workflow · pages · AIGC) → ships only when **publish closure** holds **6/6** evidence.

> **An AI claiming something is done does not count. Only artifacts that pass deterministic gates count.**

```mermaid
flowchart LR
 U["一句话意图 One-sentence intent"] --> ORCH["Orchestrator rules + Agentic Pick"]
 ORCH --> PAR["轮内并行批 parallel caps per loop (synthesis/report barriered)"]
 PAR --> GATE{"证据信任门 structure gates · G-GROUND"}
 GATE -->|gated_pass| STATE[("产物库 STATE trustLevel · stale tracking")]
 GATE -->|fail| FEED["错误回喂重试 error-fed retry"]
 FEED --> PAR
 STATE --> ECTX["证据上下文管道 evidence context pipeline (only gated artifacts injected)"]
 ECTX --> PAR
 STATE --> CLOSE{"发布闭环 publish closure 6/6"}
 CLOSE -->|closed| APP["可运行应用 Browser Live Runtime"]
 CLOSE -->|blocked| AWAIT["AWAIT 停泊 clarify → re-enter"]
 AWAIT --> ORCH
```

What makes it different from “an LLM with a long prompt”:

| Mechanism | What it does |
| :-------- | :----------- |
| **Evidence trust gate** | Every artifact passes structural + grounding gates before it earns `gated_pass`; failures re-ask with validator errors |
| **Evidence context pipeline** | Downstream reasoning is fed **only gated** upstream artifacts, priority-packed under budget with honest omission notes |
| **Publish closure** | Ships only when all six skills (dataModel · RBAC · workflow · page · AIGC · appBundle) hold evidence — otherwise parks at AWAIT |
| **Real tools** | `web.search` and `code.run` (E2B sandbox, fail-closed without a key) via an MCP-style registry |
| **Blind-judged upgrades** | Engine changes ship with paired blind evals (A/B, position-swapped) — e.g. agentic pick 4:0, evidence pipeline 2:0 |

Deep dives: [V5.7 architecture (Chinese)](<./docs/SlideRule V5.7 架构图.md>) · [five-system generation eval](./docs/five-system-generation-eval.md) · [live-runtime blueprint](./docs/LIVE_SYSTEMS_BLUEPRINT.md)

---

## 🕹️ Browser Live Runtime

The rehearsed model is not just diagrams — **the browser renders it into an operable system**. The five-system JSON is the schema: zero backend, zero database for the runtime preview.

| | |
| --- | --- |
| <img src="./docs/assets/live-runtime/home.png" alt="Studio home" /> Studio home — brand sidebar, session gallery, guided examples | <img src="./docs/assets/live-runtime/xray.png" alt="X-ray cursor panel" /> **X-ray cursor (游标)** — hover any element and read five-system declarations: fields, roles, workflow nodes |
| <img src="./docs/assets/live-runtime/workflow-live.png" alt="Live workflow graph" /> **Live workflow** — role-colored nodes; running instances light up their current node | <img src="./docs/assets/live-runtime/app-pro.png" alt="Runnable app, Pro shell" /> **Run the app** — Pro shell from the model: charts, tables, forms, approvals |

After a topic closes (all state in the browser, per-session):

- **Run the app** — desktop / tablet / phone frames, typed forms, detail drawers, approval submissions
- **Switch roles** — RBAC locks menus and buttons live; role preview stays in sync both ways
- **Drive approvals** — start / approve / reject / branch; the workflow diagram is a live monitor
- **Edit data in place** — DataModel table writes the same rows the app reads
- **Try AIGC for real** — declared AI capabilities run on the same LLM channel; failures surface honestly
- **Export with evidence** — delivery package includes a rehearsal-runtime snapshot

---

## 🚀 Quick Start

### Option A — Docker, one command (recommended)

Full stack (frontend + Node server + Python rehearsal engine), no local Node/Python needed — **and no database** for the main line (JSON file store):

```bash
git clone https://github.com/xiaojilele-glitch/WhyBuddy.git && cd WhyBuddy

cp .env.example .env      # fill at least LLM_API_KEY (any OpenAI-compatible provider) + SESSION_SECRET
docker compose up -d --build

# open http://localhost:3000/agent-loop/workbench
```

`mysql` is an **optional profile**, only for legacy accounts (login / email codes / projects): `docker compose --profile accounts up -d`.

Sessions and artifacts persist in the named volume `sliderule-python-data` — rebuilds keep your data.

```bash
docker compose logs -f app python   # follow logs
docker compose up -d --build        # rebuild after pulling updates
docker compose down                 # stop (keeps data volumes)
docker compose down -v              # stop and wipe data
```

<details>
<summary>📌 Deployment notes</summary>

- **Required env**: `LLM_API_KEY` / `LLM_BASE_URL` / `LLM_MODEL` (any OpenAI-compatible provider) and `SESSION_SECRET` (use a 64-char random hex in production). Without an LLM key the stack still boots; rehearsals fall back to deterministic templates.
- **Optional**: `WEB_SEARCH_API_KEY` (grounded web evidence) and `E2B_API_KEY` (sandboxed `code.run`) — missing keys fail closed; tools stay unavailable.
- **Port conflicts**: change `app`’s `ports` mapping in `docker-compose.yml` (e.g. `"8080:3001"`).
- **Accounts (optional)**: the rehearsal main line needs no database. Enable accounts with `docker compose --profile accounts up -d`.
- **Production servers — pull, don’t build**: releases to `main` build images to ghcr.io (`.github/workflows/deploy-images.yml`). On the server:

```bash
 docker compose -f docker-compose.prod.yml pull && docker compose -f docker-compose.prod.yml up -d
 # auto-updates (Watchtower every 5 min):
 docker compose -f docker-compose.prod.yml --profile auto up -d
 # rollback: pin :latest to a release :<commit-sha> in docker-compose.prod.yml
 # slow ghcr (e.g. China): SLIDERULE_REGISTRY=ghcr.nju.edu.cn in .env
 # or Docker Hub dual-push (with secrets configured):
 # SLIDERULE_IMAGE_APP=docker.io/<hub-user>/whybuddy-app:latest
 # SLIDERULE_IMAGE_PYTHON=docker.io/<hub-user>/whybuddy-python:latest
 ```

- **Corporate TLS-intercepting proxies**: drop your root CA (`.crt` PEM) into `docker/certs/` before building (see `docker/certs/README.md`). Certificates are gitignored.
- **Not in compose**: Lobster Executor (DinD, opt-in), Redis (off by default), Feishu (mock by default).
- `.env` is never baked into images; it is injected at runtime via `env_file`.

</details>

### Option B — Local development

```bash
git clone https://github.com/xiaojilele-glitch/WhyBuddy.git && cd WhyBuddy
pnpm install
pnpm run dev:all          # full stack: frontend + server + executor
```

Requirements: Node.js 22+ · pnpm · (optional) Python 3.11+ for the rehearsal engine · (optional) Docker for executor mode.

### Option C — Browser only (no server, no .env)

```bash
pnpm run dev:frontend     # open http://localhost:3000
```

Or use the [hosted static demo](https://xiaojilele-glitch.github.io/WhyBuddy/agent-loop/workbench).

---

## 🧩 The `sliderule` Skill Package

Besides the full app, SlideRule ships a **self-contained Skill package** for Trae, Claude, or any host that supports Agent Skills. One sentence in → a reviewable spec package out (requirements / design / tasks / traceability matrix / UI previews). Every gate is **actually run by scripts** — `checks_ledger.json` records each script, exit code, and output.

```bash
unzip skills/sliderule.zip
# drop the resulting sliderule/ folder into your agent host's skills directory
# (Trae: Skills · Claude: skill), then give it a one-sentence idea
```

Setup and package layout: [`skills/README.md`](./skills/README.md).

---

## 📝 Rehearsal Examples

> Every rehearsal is shareable content. The first three are live in the [static demo](https://xiaojilele-glitch.github.io/WhyBuddy/agent-loop/workbench) — captured from real end-to-end engine runs.

| 💬 Input | 📦 Output |
| :------- | :-------- |
| "Community pet-clinic booking & triage system" | Six-skill playback · 6/6 publish closure · runnable booking/triage app |
| "Second-hand instrument consignment & appraisal" | Closed rehearsal · consignment ledger, appraisal workbench, listing calendar, compliance audit |
| "Script-murder venue scheduling & party matching" | Closed rehearsal · session board, store calendars, sign-up & carpool grouping |
| "Procurement approval with field-level permissions" | Five-system model · approval state machine · RBAC field locks · risk & counter-evidence report |

---

## 🏗️ System Architecture

Current engine (V5.7, per-increment commit provenance): [docs/SlideRule V5.7 架构图.md](<./docs/SlideRule V5.7 架构图.md>)

Historical: [V5.6](<./docs/SlideRule V5.6 架构图.md>) · [V5.5](<./docs/SlideRule V5.5 架构图.md>) · [V5.4](<./docs/SlideRule V5.4 架构图.md>) · [V5.3](<./docs/SlideRule V5.3 架构图.md>) · [V5.2](<./docs/SlideRule V5.2 架构图.md>) · [v4 Skill closed-loop diagram](./docs/assets/SlideRuleArc/SlideRuleSkill%E9%97%AD%E7%8E%AF%E6%80%BB%E5%9B%BE_%E6%94%B9%E8%BF%9B%E7%89%88v4.md) (architecture behind the award-winning Skill package)

---

## 🛠️ Tech Stack

---

## 📊 Project Scale

| Metric | Count |
| :----- | ----: |
| Project files | 8,194 |
| TypeScript/TSX files | 2,926 |
| TypeScript lines | 835,305 |
| Python lines | 92,137 |
| Test files | 1,322 |
| Spec directories | 316 |

---

## ⚔️ How to place SlideRule

These tools solve **different jobs**. The table is not “we replace them all” — it shows where the rehearsal main line is unique.

| Capability | Agent frameworks (CrewAI / LangGraph) | Workflow builders (Dify / n8n) | **SlideRule** |
| :--------- | :----------------------------------------: | :--------------------------------: | :-----------: |
| Open source | ✅ | ✅ | ✅ |
| Multi-agent / long orchestration | ✅ | ⚠️ | ✅ |
| One sentence → **product structure** (data · RBAC · flow · pages) | ❌ | ❌ | ✅ |
| Spec package (requirements · design · tasks · traceability) | ❌ | ❌ | ✅ |
| **Evidence-gated publish closure** | ❌ | ❌ | ✅ |
| Rehearsed model **runs as an app** in the browser | ❌ | ❌ | ✅ |
| Replay, audit, human park / re-enter | ⚠️ | ⚠️ | ✅ |
| Sandboxed code tools | ⚠️ | ⚠️ | ✅ |
| Browser-only demo (zero install) | ❌ | ❌ | ✅ |

For generation UX people often compare **v0 / Lovable / Bolt**; for long visible deliberation, **Manus-class agents**; for enterprise app structure, **Power Platform / low-code**. SlideRule’s bet is the **intersection**: *rehearse the business system under gates, then run the model — not only emit code or a chat bot.*

---

## 🤝 Contributing

```bash
1. Fork & clone → pnpm install
2. pnpm run dev:frontend (UI) or pnpm run dev:all (full stack)
3. Before submitting: pnpm run check && pnpm run test
```

**Branch model**: `main` is production; `pre_main` is daily integration. Merges go through the release gate — a red gate mechanically blocks the merge:

```bash
bash scripts/merge-gated.sh <your-branch> "<message>" # daily → pre_main
bash scripts/merge-gated.sh pre_main "<release message>" main # release → main
```

See [CONTRIBUTING.md](./CONTRIBUTING.md).

---

## ⭐ Star History

> Every rehearsal is content that helps others discover what is possible. Star this repository to help more people find it.

📈 [Star growth curve →](https://star-history.com/#xiaojilele-glitch/WhyBuddy&Date)

---

SlideRule · <a href="https://sliderule.ai">sliderule.ai</a> 
 <a href="./LICENSE">MIT License</a> ·
 Source: <a href="https://github.com/xiaojilele-glitch/WhyBuddy">xiaojilele-glitch/WhyBuddy</a>

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