Frontmatter Schema

Every wiki page starts with flat YAML frontmatter. No nested objects. Obsidian's Properties UI requires flat structure.

Universal Fields

Every page, no exceptions:

---
type: <source|entity|concept|domain|comparison|question|overview|meta>
title: "Human-Readable Title"
created: 2026-04-07
updated: 2026-04-07
tags:
  - <domain-tag>
  - <type-tag>
status: <seed|developing|mature|evergreen>
related:
  - "[[Other Page]]"
sources:
  - "[[.raw/articles/source-file.md]]"
---

status values:

seed: exists, barely populated
developing: has real content, not yet complete
mature: comprehensive, well-linked
evergreen: unlikely to need updates

Type-Specific Additions

source

Add these fields after the universal fields:

source_type: article    # article | video | podcast | paper | book | transcript | data
author: ""
date_published: YYYY-MM-DD
url: ""
confidence: high        # high | medium | low
key_claims:
  - "First key claim from this source"
  - "Second key claim"

entity

entity_type: person     # person | organization | product | repository | place
role: ""
first_mentioned: "[[Source Title]]"

concept

complexity: intermediate  # basic | intermediate | advanced
domain: ""
aliases:
  - "alternative name"
  - "abbreviation"

comparison

subjects:
  - "[[Thing A]]"
  - "[[Thing B]]"
dimensions:
  - "performance"
  - "cost"
  - "ease of use"
verdict: "One-line conclusion."

question

question: "The original query as asked."
answer_quality: solid   # draft | solid | definitive

domain

subdomain_of: ""        # leave empty for top-level domains
page_count: 0

Rules

Use flat YAML only. Never nest objects.
Dates as YYYY-MM-DD strings, not ISO datetime.
Lists always use the - item format, not inline [a, b, c].
Wikilinks in YAML fields must be quoted: "[[Page Name]]".
Keep related and sources as wikilinks, not plain URLs.
Update updated every time you edit the page content.

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