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ACTIVE_SLICE.md — Current Active Slice

Status: Core Features Complete ✅

All foundational features (F002-F005) have been successfully implemented.

Completed Work

Feature F002: Power and Signal Subsystems ✅

Atopile electrical architecture complete
Power PCB (input, conversion, protection, variable bay)
DBB (bus headers, switches, debug corner)
All 11 frozen decisions validated

Feature F003: MCU Carriers and I/O Exposure ✅

ESP32-S3 DevKit carrier module
RP2040 Pico carrier module
GPIO exposure (16× Dupont + 8× screw terminals)
Carrier envelope (80×120 mm with M3 mounting)
All 9 frozen decisions validated

Feature F004: Enclosure and Physical Execution ✅

Complete CAD input documentation (8 files, 2347 lines)
Zone layout (clean/dirty separation)
Dimensions (~400-450mm × 350-400mm × 120-150mm)
Mounting, cable routing, panel cutouts
Materials BOM and assembly procedure
All 8 frozen decisions documented

Feature F005: Firmware Tooling and ForgeOS Integration ✅

Flash tooling (ESP32-S3, RP2040) with mandatory provenance
Serial capture with timestamps and log files
Event logging for manual actions
PlatformIO integration (hybrid approach)
udev rules for stable USB identity
All 8 frozen decisions implemented

Next Actions (Human Decision Required)

ForgePCB is now ready for physical execution. User should choose next path:

CAD Design (Recommended): Design enclosure in Fusion 360 using /enclosure/docs/ specs
PCB Layout: Export Atopile netlist, layout Power PCB + DBB in KiCad/Altium
Firmware Development: Write firmware using /firmware/ tooling with provenance
Integration Testing: Assemble prototype and validate all subsystems

Current Scope

No active implementation work

User is proceeding with CAD design (hands-on work, outside Claude Code scope).

Repository State

Develop: F002, F003, F004, F005 merged (~8300+ lines)
Main: v0.2.0 (F002 + F003)
Pending: Release v0.3.0 (F002 + F003 + F004 + F005)

Date

2026-02-09