Files
eng-pad/PROGRESS.md
Kyle Isom 47778222b7 Add project documentation: design spec, implementation plan, and progress tracking
Initial project setup with README, CLAUDE.md (AI dev context), DESIGN.md
(full technical design covering architecture, data model, coordinate system,
rendering strategy), PROJECT_PLAN.md (phased implementation steps), and
PROGRESS.md (completion tracking).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-24 13:42:44 -07:00

1.2 KiB

PROGRESS.md — eng-pad Implementation Progress

This file tracks completed work and decisions. Updated after every step. See PROJECT_PLAN.md for the full step list.

Completed

Phase 0: Project Documents (2026-03-24)

  • 0.1: Created DESIGN.md — full technical design covering architecture, data model, coordinate system, rendering, input handling, and source tree.
  • 0.2: Created PROJECT_PLAN.md — discrete steps grouped by phase with checkboxes and file references.
  • 0.3: Created PROGRESS.md — this file.
  • 0.4: Updated CLAUDE.md — build commands, source tree, project doc pointers.

In Progress

Phase 1: Project Skeleton + Data Layer

Decisions & Deviations

  • Language: Kotlin (chosen over Java for better Compose/coroutine support).
  • Storage: Room/SQLite with packed float BLOBs for stroke points.
  • Palm rejection: Hardware only (EMR digitizer handles it).
  • Pressure sensitivity: None — two fixed pen sizes (0.38mm, 0.5mm).
  • Coordinate system: 300 DPI canonical points (scaled to 72 DPI for PDF export).
  • UI framework: Compose for chrome, custom View for canvas (Compose Canvas lacks MotionEvent access needed for stylus input).