Documentation Creation Criteria

Templates

• prd-template.md - Product Requirements Document template
• adr-template.md - Architecture Decision Record template
• ui-spec-template.md - UI Specification template (frontend/fullstack features)
• design-template.md - Technical Design Document template
• plan-template.md - Work Plan template

Creation Decision Matrix [MANDATORY]

Structural Scale	Base Documents	Creation Order
Small	None	N/A
Medium	Design Doc -> Work Plan	Start with Design Doc
Large	PRD -> Design Doc -> Work Plan	Continue after PRD approval

Build one path in this order:

1. Select the base path from Structural Scale.
2. Frontend or fullstack scope inserts UI Spec immediately before the Design Doc.
3. One or more qualifying ADR decision points insert an ADR batch immediately before the Design Doc. A qualifying decision point sets the scale floor to Medium.

ENFORCEMENT: EVALUATE structural scale and ADR conditions BEFORE starting implementation

Structural Scale

Classify the decision burden, not repository layout. File count is supporting evidence only.

Scale	Structural condition
Small	One coherent outcome follows existing patterns within one responsibility boundary
Medium	One coherent outcome coordinates across a boundary or requires a durable design decision
Large	Multiple independently valuable outcomes require separate design decisions

A qualifying ADR decision point sets the floor at Medium because it creates a durable decision. Large applies when multiple independently valuable outcomes require separate design decisions; one coherent outcome remains Medium across multiple layers. ADR decision points come from the Choice and Durability filters independently of scale.

ADR Creation Conditions

First check accepted ADRs that govern the changed responsibility. Then apply both filters in order for each technical topic within the confirmed implementation scope:

1. Choice requires judgment — current requirements, accepted decisions, and representative repository patterns support at least two credible materially distinct options whose selection requires comparison.
2. Decision is durable — choosing among those options materially changes a responsibility, dependency direction, shared contract, persistence model, technology dependency, reversibility, or lifecycle cost that future work must understand or preserve.

Create one ADR for each topic that passes both filters. Route topics with one evident choice, generic technical concerns, operational possibilities, and rejected activities directly to the Design Doc or out of current design as applicable.

Treat choices as one decision point when they must be selected or reconsidered together. Use separate decision points when each choice can be selected and revisited independently.

Qualifying durable choices include:

• introducing or replacing a technology, library, platform, storage model, or external dependency;
• changing ownership, dependency direction, trust boundary, or a shared public contract in a way with credible materially different alternatives;
• reversing or superseding an accepted architecture decision;
• choosing an irreversible or high-cost-to-reverse data or compatibility strategy.

A local contract, data-flow, state, or component change that follows an accepted design, has one evident repository-supported implementation, or remains cheaply reversible belongs in the Design Doc. Counts of files, consumers, nesting levels, states, steps, and Structural Scale remain supporting evidence rather than ADR criteria.

What Each Document Fixes

Each document fixes one class of decision needed by its downstream consumer. The decision matrix determines whether the document is required; the applicable template defines its content.

Document	Decision it fixes	Consumer and effect when missing
PRD	Confirmed product outcome, requirements, acceptance criteria, and exclusions	Design and test selection would have to infer product scope
ADR	One qualifying durable technical choice and the alternatives it resolves	Design and future changes could not distinguish an accepted decision from a local implementation choice
UI Spec	Approved UI structure, states, interactions, and visual acceptance	Frontend design and implementation would have to infer user-interface decisions
Design Doc	Repository-grounded implementation approach, contracts, change surface, and verification strategy	Planning and implementation would have to make technical design decisions locally
Work Plan	Implementation outcome order, dependencies, and executable verification	Task decomposition and execution would have to choose sequencing and proof boundaries locally

Storage Locations

Document	Path	Naming Convention
PRD	docs/prd/	[feature-name]-prd.md
ADR	docs/adr/	ADR-[4-digits]-[title].md
UI Spec	docs/ui-spec/	[feature-name]-ui-spec.md
Design Doc	docs/design/	[feature-name]-design.md
Work Plan	docs/plans/	YYYYMMDD-{type}-{description}.md

ADR Status

Proposed -> Accepted -> Deprecated/Superseded/Rejected