Lays out Velox Download Manager (IDM-class download manager for Ubuntu 26.04) as a monorepo ready for parallel lane development. No implementation code by design. - docs/: architecture, roadmap M0-M7, IDM-parity GUI spec, engine design, Firefox extension spec, risks/spikes, packaging - contracts/: wire-contract skeleton (JSON Schema + fixture templates) — the single synchronization point between lanes - docs/agents/: one brief per lane (PROTO, CORE, DAEMON, GUI, EXT, PKG/QA) with owned directories, build order and definition of done - CLAUDE.md: rules of engagement — lane ownership, layering, non-negotiables - CMake scaffolding with dev/tsan/release/ci presets Two environment findings shape the design: Firefox here is the Mozilla snap (native-messaging risk, so the extension carries a loopback-WebSocket fallback), and Wayland forbids passive clipboard monitoring (so clipboard capture is explicit-action-first). Co-Authored-By: Claude Opus 5 <[email protected]>
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ADR 0001 — Record architecture decisions
Status: accepted · Date: 2026-09-09
Context
Several agents build this project in parallel, and each starts without the others' context. Decisions that live only in a chat log get re-litigated or silently reversed.
Decision
Every non-obvious decision gets a numbered file here: context, decision, consequences, alternatives rejected and why. Keep it under a page. Amend by adding a new ADR that supersedes the old one — never rewrite history.
Expected ADRs
| # | Subject | Owner | Due |
|---|---|---|---|
| 0002 | Qt 6 licensing and how packages link it | PKG | M0 |
| 0003 | Native messaging under snap Firefox (spike S1) | EXT | M0 |
| 0004 | Wayland clipboard capability (spike S2) | GUI | M1 |
| 0005 | Protocol v1.0.0 freeze and the versioning rule | PROTO | M0 |
| 0006 | Product name and icon-set licence | PKG | M0 |
| 0007 | Segment-stealing heuristics and defaults | CORE | M1 |
| 0008 | Loopback WS threat model and pairing design | DAEMON | M1 |