# Architecture — Feature Bundle

System architecture: module layers, data flow, agent I/O protocol, directory layout.

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## Canonical Spec

**[ARCHITECTURE.md](./ARCHITECTURE.md)** — the single source of truth for cnos system architecture.

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## Document Map

| Document | Class | Description |
|----------|-------|-------------|
| [ARCHITECTURE.md](./ARCHITECTURE.md) | Canonical spec | System overview — modules, FSMs, data flow, directory layout |

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## Version History

| Version | Directory | Highlights |
|---------|-----------|-----------|
| v3.14.4 | [3.14.4/](3.14.4/) | Initial bundle migration from beta root (#89) |
