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Architectural Decision Records
ADRs codify the scope invariants of nubos-pilot. Each ADR is authoritative for the constraint it documents. Decisions are superseded by new ADRs, never rewritten.
Status lifecycle
- Proposed — authored but not yet accepted; subject to revision during review.
- Accepted — decision is binding; downstream work consumes the invariant as-is.
- Deprecated — superseded by a later ADR (referenced via
Supersedes NNNN); retained for history.
An ADR may enter directly as Accepted when ratified at authoring time. ADRs are append-only — a superseded ADR is never rewritten; a new ADR with a higher number references it via its Supersedes line.
Numbering
ADRs follow the pattern NNNN-kebab-title.md with a zero-padded four-digit sequence starting at 0001. Numbers are monotonically incremented — no skips, no re-use — so cross-references (e.g. ADR-0003) stay stable across the project's lifetime.
Index
| ADR | Title | Status |
|---|---|---|
| 0001 | No-Daemon Invariant | Accepted |
| 0002 | Zero Runtime Dependencies | Accepted (amended by 0006) |
| 0003 | Max Six Unit-Types | Accepted |
| 0004 | Atomic Commit per Unit | Accepted |
| 0005 | Three Orthogonal File-Trees | Accepted |
| 0006 | Accept yaml@^2.8 (Amendment to 0002) | Accepted |