---
# 🏗 Complete Devtool Incremental Development Plan
---
## **Phase 0: Core Preparation**
**Goal:** Set up environment, plan architecture, and confirm dependencies.
**Tasks:**
1. Choose Rust as the primary language.
2. Set up project scaffolding:
```bash
cargo new devmesh
```
3. Add initial dependencies:
* `clap` → CLI
* `tokio` → async runtime
* `hyper` → HTTP server / proxy
* `tungstenite` → WebSocket
* `serde` + `serde_json` → JSON config / registry
* `rustls` → TLS
4. Create **project roadmap and architecture diagram**.
5. Establish versioning strategy (e.g., semantic versions per service).
**Deliverable:** Ready-to-go Rust project with dependencies and architecture plan.
---
## **Phase 1: Local Agent & CLI MVP**
**Goal:** Run local services with CLI, register them locally.
**Tasks:**
1. CLI commands:
* `devmesh run <service>` → starts local agent + registers service
* `devmesh status` → shows local services
2. Implement **local service registry** (in-memory, persisted via JSON)
3. Allow local service metadata:
* Service name
* Version
* Port
4. Minimal logging: agent outputs registered services.
**Deliverable:** CLI + local service registration works.
---
## **Phase 2: Local HTTP + WebSocket Proxy**
**Goal:** Route requests to local service; handle WebSocket and HTTPS.
**Tasks:**
1. Implement proxy router:
* Route requests to local services
* Support WebSockets (`tungstenite`) and HTTPS (`rustls`)
2. Add logging for requests/responses.
3. Test multiple services locally (simulate dependency calls).
**Deliverable:** Local proxy works; services can call each other on one machine.
---
## **Phase 3: Peer Discovery MVP**
**Goal:** Let local agents discover each other over VPN.
**Tasks:**
1. Implement simple **peer discovery** (Phase 1: broadcast over VPN; later: gossip / libp2p-rs)
2. Maintain **peer service registry**
3. Update CLI `status` to show both local and peer services.
4. Optional: Basic version tracking per peer.
**Deliverable:** Each developer sees what services are running on peers.
---
## **Phase 4: Peer-to-Peer Proxy Routing**
**Goal:** Route requests transparently to peer services.
**Tasks:**
1. Proxy router checks:
* Local service → use local
* Peer service → route over VPN tunnel
2. Preserve HTTPS + WebSocket functionality
3. Implement simple retries if peer is offline
4. Warn on version mismatches
5. CLI `status` shows routing paths.
**Deliverable:** Multi-machine service calls work seamlessly.
---
## **Phase 5: Version Awareness & Safety**
**Goal:** Avoid incompatible service calls.
**Tasks:**
1. Track service versions per peer
2. Warn when a request targets an incompatible version
3. Optionally reject routing if version conflict
4. Add logging for mismatched calls
**Deliverable:** Developers see version mismatches and can prevent breakage.
---
## **Phase 6: Optional Local Database Support**
**Goal:** Support services that require DB.
**Tasks:**
1. Allow optional lightweight DB container per service (Postgres / SQLite)
2. Optionally sync subset of staging DB
3. Ensure proxy can handle DB-dependent service calls
4. CLI: `devmesh db status` shows which services need DB and their state
**Deliverable:** Services needing data can run locally with minimal setup.
---
## **Phase 7: Dashboard & Visualization**
**Goal:** Make mesh visible and manageable.
**Tasks:**
1. CLI enhancements:
* `devmesh graph` → show services, peers, versions
2. Optional lightweight web dashboard:
* Shows running services
* Shows peer routing paths
* Version mismatch warnings
3. Live updates via WebSockets
**Deliverable:** Team can monitor mesh easily.
---
## **Phase 8: Advanced Features (Phase 2+)**
Optional / post-MVP enhancements:
1. Branch-based virtual namespaces
2. Automatic service prioritization & fallback
3. Load balancing between peers
4. Persistent metrics / usage analytics
5. Lightweight encryption over non-VPN networks
6. DB replication or snapshot automation
---
# ⚡ Recommended Rust Libraries
| CLI | `clap` |
| Async runtime | `tokio` |
| HTTP Proxy | `hyper` + `warp` |
| WebSocket | `tungstenite` |
| Peer Discovery | `libp2p-rs` |
| TLS | `rustls` |
| JSON / Config | `serde` + `serde_json` |
| Version parsing | `semver` |
| Optional DB | `sqlx` + Docker SDK |
---
# 🛠 Incremental Development Strategy
1. **Phase 1–2:** Single-machine functionality → test local service registration + proxy
2. **Phase 3–4:** Peer-to-peer routing → expand to 2–3 dev machines on VPN
3. **Phase 5:** Version awareness → safety for multi-service interactions
4. **Phase 6:** DB support → optional, only for services needing it
5. **Phase 7–8:** Dashboard, metrics, advanced features