Imported from AutumnsGrove/Lattice (.claude/skills/grove-spec-writing/SKILL.md). Install upstream with npx skills add AutumnsGrove/Lattice --skill grove-spec-writing. Copyright stays with the author.

Grove Spec Writing

A comprehensive guide for writing technical specifications in the Grove ecosystem. Use this skill to create new specs that feel like storybook entries, or to validate and standardize existing specs.

When to Activate

• Creating a new technical specification
• Reviewing an existing spec for completeness
• Adding ASCII art headers to specs missing them
• Adding diagrams, mockups, or visual elements to text-heavy specs
• Standardizing frontmatter across spec files
• Validating a spec against Grove standards before finalizing

The Spec as Storybook Entry

Grove specs aren't just technical documents. They're storybook entries in a larger narrative. Each spec should feel like opening a page in a beautifully illustrated field guide to the forest.

The formula:

1. Cover page (frontmatter + ASCII art + tagline)
2. Introduction (what is this, in nature and in Grove)
3. The journey (architecture, flows, implementation)
4. The details (API, schema, security)
5. The path forward (implementation checklist)

Required Structure

1. Frontmatter (REQUIRED)

Every spec MUST have this exact frontmatter format:

---
aliases: []
date created: [Day], [Month] [Ordinal] [Year]
date modified: [Day], [Month] [Ordinal] [Year]
tags:
  - primary-domain
  - tech-stack
  - category
type: tech-spec
---

Date format examples:

• Monday, December 29th 2025
• Saturday, January 4th 2026

Type options:

• tech-spec — Technical specification (most common)
• implementation-plan — Step-by-step implementation guide
• index — Index/navigation document

2. ASCII Art Header (REQUIRED)

Immediately after frontmatter, include a code block with ASCII art that visually represents the concept:

# [Name] — [Short Description]

     ASCII ART HERE
     representing the concept
     in a visual way

> *Poetic tagline in italics*

Good ASCII art:

• Relates to the nature metaphor (forest, garden, etc.)
• Represents the concept visually (layers for backup, rings for analytics)
• Uses box-drawing characters: ─│┌┐└┘├┤┬┴┼╭╮╰╯
• Uses nature emoji sparingly: 🌲🌿🍂✨🌸
• Includes a poetic tagline or motto

Examples from excellent specs:

Wisp (will-o'-the-wisp light):

         🌲  🌲  🌲
          \   |   /
           \  |  /
             ✨
            ╱ ╲
           ╱   ╲
          ╱  ·  ╲
         ╱   ·   ╲
        ╱    ·    ╲
       ·     ·     ·
         gentle
         guiding
          light

Patina (layered backups):

                     ╭───────────────────╮
                    ╭┤  ┌─────────────┐  ├╮
                   ╭┤│  │  2026-01-05 │  │├╮
                   │││  │  ▓▓▓▓▓▓▓▓▓▓ │  │││
                   │││  │  ▒▒▒▒▒▒▒▒▒▒ │  │││
                   │││  │  ░░░░░░░░░░ │  │││
                   │││  │  ·········· │  │││
                   ╰┴┴──└─────────────┘──┴┴╯
                  ╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱
               ──────────────────────────────
              ~~~~~~~~ oxidation layer ~~~~~~~~
              Age as armor. Time as protection.

Heartwood (tree rings):

                      ╭──────────╮
                   ╭──│ ╭──────╮ │──╮
                 ╭─│  │ │ ╭──╮ │ │  │─╮
                │  │  │ │ │♥ │ │ │  │  │
                 ╰─│  │ │ ╰──╯ │ │  │─╯
                   ╰──│ ╰──────╯ │──╯
                      ╰──────────╯

       every ring: a year, a story, a layer of growth

               The center that holds it all.

3. Introduction Section

After the ASCII art header:

> *Poetic tagline repeated*

[2-3 sentence description of what this is in the Grove ecosystem]

**Public Name:** [Name]
**Internal Name:** Grove[Name]
**Domain:** `name.grove.place`
**Repository:** [Link if applicable]
**Last Updated:** [Month Year]

[1-2 paragraphs explaining the nature metaphor and how it applies]

---

4. Body Sections

Organize content with clear headers. Include:

• Overview/Goals — What this system does
• Architecture — How it's built (with diagrams!)
• Tech Stack — Dependencies, frameworks
• API/Schema — Technical details
• Security — Important considerations
• Implementation Checklist — Clear action items

Required Visual Elements

Flow Diagrams

Every spec describing a process MUST include at least one ASCII flow diagram:

┌─────────────────────────────────────────────────────────────────────┐
│                         Client Sites                                │
│  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐               │
│  │   Site A     │  │   Site B     │  │   Site C     │               │
│  └──────┬───────┘  └──────┬───────┘  └──────┬───────┘               │
└─────────┼─────────────────┼─────────────────┼───────────────────────┘
          │                 │                 │
          │    1. Request   │                 │
          ▼                 ▼                 ▼
┌─────────────────────────────────────────────────────────────────────┐
│                        Central Service                              │
│                                                                     │
│  ┌─────────────────────────┐  ┌─────────────────────────┐           │
│  │      Handler A          │  │      Handler B          │           │
│  └─────────────────────────┘  └─────────────────────────┘           │
└─────────────────────────────────────────────────────────────────────┘

Box drawing reference:

• Corners: ┌ ┐ └ ┘ (square) or ╭ ╮ ╰ ╯ (rounded)
• Lines: ─ │ ═ ║
• Joins: ├ ┤ ┬ ┴ ┼
• Arrows: → ← ↑ ↓ ▶ ◀ ▲ ▼

UI Mockups

Specs describing user interfaces MUST include ASCII mockups:

┌─────────────────────────────────────────────────────────────────┐
│  ✧ Panel Title                                          [×]      │
├─────────────────────────────────────────────────────────────────┤
│                                                                 │
│  ┌─ Label ────────────────────────────────────────────────┐     │
│  │ Content here with proper spacing                       │     │
│  └────────────────────────────────────────────────────────┘     │
│                                                                 │
│  ┌─────────────────────────────────────────────────────────┐    │
│  │ Input field...                                     [↵]  │    │
│  └─────────────────────────────────────────────────────────┘    │
│                                                                 │
│  ───────────────────────────────────────────────────────────    │
│  [ Action A ]                              [ Action B ✦ ]       │
│                                                                 │
└─────────────────────────────────────────────────────────────────┘

State Diagrams

For features with multiple states:

   Idle:                    Analyzing:               Success:
   .  *  .    .  *         . * . analyzing . *           *
  .    _    .      .         \  |  /             .    *  /|\   .
     /   \    *  .         -- (o.o) --  thinking    *   / | \    *
    / ~ ~ \  .    .          /  |  \                   /__|__\
   /       \______        ~~~~~~~~~~~~~~~~~       ~~~~/       \~~~~
  ~~~~~~~~~~~~~~~~~~~       words flowing...        all clear

Comparison Tables

Use tables to compare options, states, or configurations:

| Feature | Seedling | Sapling | Oak | Evergreen |
|---------|----------|---------|-----|-----------|
| Posts   | 50       | 250     | ∞   | ∞         |
| Storage | 1 GB     | 5 GB    | 20 GB | 100 GB  |
| Themes  | 3        | 10      | All | All + custom |

Timeline/Retention Diagrams

For anything involving time:

  TODAY                                              12 WEEKS AGO
    │                                                      │
    ▼                                                      ▼
   ┌─┬─┬─┬─┬─┬─┬─┐                                        ┌─┐
   │█│█│█│█│█│█│█│ ◀── Daily backups (7 days)             │░│
   └─┴─┴─┴─┴─┴─┴─┘                                        └─┘
   S M T W T F S

Validation Checklist

Before finalizing any spec, verify:

Structure

• Frontmatter present with all required fields
• aliases: [] included (even if empty)
• Date format correct (Day, Month Ordinal Year)
• type: tech-spec or appropriate type
• ASCII art header present after frontmatter
• Poetic tagline in italics
• Public/Internal names listed
• Domain specified (if applicable)

Visual Content

• At least one ASCII flow diagram (if process-based)
• UI mockups included (if describing interface)
• Tables for comparisons where appropriate
• Code blocks for technical details
• No walls of text without visual breaks

Voice (refer to owl-archive/references/anti-patterns.md for the full list)

• No em-dashes (use periods or commas)
• No "not X, but Y" patterns or variants ("Not X. Not Y. Just Z.", "The X? A Y.")
• No AI-coded words (robust, seamless, leverage, delve, utilize, streamline, etc.)
• No "serves as" / "stands as" / "marks a". Use simple verbs
• No filler transitions (Furthermore, Moreover, It's worth noting, Notably)
• No gerund fragment litanies or bold-first bullet patterns
• No false suspense ("Here's the kicker", "Here's the thing")
• No dead metaphors (same metaphor repeated in every section)
• Short paragraphs
• Poetic closers earned, not forced

Completeness

• Overview/Goals section
• Architecture diagram
• Technical details (API, schema)
• Security considerations
• Implementation checklist

Creating ASCII Art

The Process

1. Identify the core metaphor — What natural thing does this represent?
2. Sketch the concept — What visual would convey this at a glance?
3. Choose your characters — Box drawing, emoji, or creative ASCII
4. Build in layers — Start with outline, add detail, add flourishes
5. Add the tagline — Poetic one-liner that captures the essence

Character Palette

Box Drawing (safe, consistent):

┌─────┬─────┐    ╭─────╮
│     │     │    │     │
├─────┼─────┤    ╰─────╯
│     │     │
└─────┴─────┘

Lines and Arrows:

→ ← ↑ ↓ ↔ ↕
▶ ◀ ▲ ▼
⟿ ⟸ ⟹

Nature Emoji (use sparingly):

🌲 🌳 🌿 🍂 🍃 🌸 🌺 🌻 🌷 🌱 🍄
☀️ 🌤️ ⭐ ✨ 💧 🔥
🦋 🐛 🐌

Decorative:

· ∙ • ° ˚ ∘
~ ≈ ∿
═ ║ ╔ ╗ ╚ ╝
░ ▒ ▓ █

Tips

• Keep ASCII art under 20 lines tall
• Center the art within its code block
• Include breathing room (empty lines above/below)
• Test in a monospace font
• Consider mobile rendering (simpler is better)

Example: Complete Spec Header

---
aliases: []
date created: Monday, January 6th 2026
date modified: Monday, January 13th 2026
tags:
  - support
  - user-communication
  - cloudflare-workers
type: tech-spec
---

# Porch — Support System

                          🏠
                       ___│___
                      │       │
                ~~~~~~│ PORCH │~~~~~~
                     ╱│_______│╲
                    ╱           ╲
                   ╱  ┌───┐      ╲
                  ╱   │ ☕ │       ╲
                 ╱    └───┘ 👤     ╲
                ════════════════════════
                       steps

          Have a seat. We'll figure it out.

> *Have a seat on the porch. We'll figure it out together.*

Grove's front porch: a warm, accessible space where users sit down and have a conversation. Not a corporate help desk with ticket numbers. A porch where you chat with the grove keeper about what's going on.

**Public Name:** Porch
**Internal Name:** GrovePorch
**Domain:** `porch.grove.place`
**Status:** Planned (Launch Priority)

A porch is where you sit and talk. You come up the steps, have a seat, and the grove keeper comes out to chat. It's not a ticket counter. It's two people on a porch, figuring things out together.

---

Integration with Other Skills

Before Writing a Spec

1. walking-through-the-grove — If naming a new feature, complete the naming journey first
2. grove-ui-design — If the spec involves UI, understand design patterns

While Writing

3. grove-documentation — Apply Grove voice throughout, avoid AI patterns

After Writing

4. grove-spec-writing (this skill) — Run validation checklist
5. Review with fresh eyes: Does it feel like a storybook entry?

When to Use museum-documentation Instead

This skill (grove-spec-writing) is for internal technical specifications: architecture decisions, system design, implementation plans. Documentation for developers.

Use museum-documentation when writing for Wanderers who want to understand:

If the reader is a developer implementing something, use this skill. If the reader is a Wanderer exploring the forest, use museum-documentation.

Quick Reference

A good spec is one you'd want to read at 2 AM. Make it beautiful.