diff --git a/docs/qfd.md b/docs/qfd.md index df80c74..e0b6fd6 100644 --- a/docs/qfd.md +++ b/docs/qfd.md @@ -5,8 +5,11 @@ must *do* (engineering functions) and what we must *build* (components). Surfaces the few targets that dominate the design and the conflicts between them. Every decision cell points back to [`adr.md`](adr.md). -Scope: v0.1 MVP, with the v0.2–v1.0 trajectory ([README](../README.md)) in -mind so we don't paint into a corner. +Scope: v0.1 MVP — see +[`v0.1-mvp-product.md`](v0.1-mvp-product.md) for user-facing scope and +[`v0.1-mvp-technical.md`](v0.1-mvp-technical.md) for implementation — +with the v0.2–v1.0 trajectory ([README](../README.md), +[roadmap](roadmap.md)) in mind so we don't paint into a corner. Format inspired by the classic House of Quality, kept compact. Strength weights: **9** strong, **3** medium, **1** weak, blank none. @@ -18,20 +21,20 @@ weights: **9** strong, **3** medium, **1** weak, blank none. What a user (= me) values about the device, with importance weights on a 1–10 scale. Source columns point at the doc the requirement comes from. -| ID | Requirement | Weight | Source | -|-----|---------------------------------------------------|:------:|-----------------------| -| W1 | Sub-second visible response to typing | 10 | product §UX, README | -| W2 | `Ctrl-G` reliably lands a commit on GitHub | 9 | product user story 4 | -| W3 | Pulling power never corrupts the file | 10 | product story 5, AC | -| W4 | One-shot first-run setup, never repeated | 7 | product story 1 | -| W5 | Quick boot to a writing cursor | 6 | product AC (≤ 5 s) | -| W6 | Long sessions without crash / lag / drift | 9 | product AC (1 h soak) | -| W7 | Distraction-free, single-purpose surface | 8 | README vision | -| W8 | E-ink-honest UI (no blink, no animation, no flash spam) | 7 | README §UX | -| W9 | Refactorable across nine downstream releases | 8 | README roadmap | -| W10 | Hackable / DIY-shaped BOM and code | 5 | README title | -| W11 | Multi-day battery life (v0.8 onward) | 4 | README v0.8 | -| W12 | Local-only file scope coexists with git scope (v0.5+) | 5 | README scopes | +| ID | Requirement | Weight | Source | +|-----|---------------------------------------------------|:------:|--------| +| W1 | Sub-second visible response to typing | 10 | [product → story 2](v0.1-mvp-product.md#user-stories), [README → UX](../README.md#ux-boundaries-set-by-the-medium) | +| W2 | `Ctrl-G` reliably lands a commit on GitHub | 9 | [product → story 4](v0.1-mvp-product.md#user-stories) | +| W3 | Pulling power never corrupts the file | 10 | [product → story 5](v0.1-mvp-product.md#user-stories), [acceptance](v0.1-mvp-product.md#acceptance-criteria) | +| W4 | One-shot first-run setup, never repeated | 7 | [product → story 1](v0.1-mvp-product.md#user-stories) | +| W5 | Quick boot to a writing cursor | 6 | [product → acceptance](v0.1-mvp-product.md#acceptance-criteria) (≤ 5 s) | +| W6 | Long sessions without crash / lag / drift | 9 | [product → acceptance](v0.1-mvp-product.md#acceptance-criteria) (1 h soak) | +| W7 | Distraction-free, single-purpose surface | 8 | [README → vision](../README.md#vision) | +| W8 | E-ink-honest UI (no blink, no animation, no flash spam) | 7 | [README → UX](../README.md#ux-boundaries-set-by-the-medium) | +| W9 | Refactorable across nine downstream releases | 8 | [roadmap](roadmap.md) | +| W10 | Hackable / DIY-shaped BOM and code | 5 | [README → vision](../README.md#vision) | +| W11 | Multi-day battery life (v0.8 onward) | 4 | [roadmap → v0.8](roadmap.md#v08--power-battery--sleep--) | +| W12 | Local-only file scope coexists with git scope (v0.5+) | 5 | [README → scopes](../README.md#vision), [roadmap → v0.5](roadmap.md#v05--file-palette--multi-file--) | ---