# Target startup sequence

```mermaid
sequenceDiagram
 participant U as User
 participant L as Launcher Next
 participant D as Product discovery
 participant C as Package catalog
 participant S as Local store
 participant A as Plant 3D
 participant P as PRecAnnot entry
 U->>L: Prepare launch (NextPilot)
 L->>D: discover installed Plant 3D
 L->>C: read package manifest when network is available
 L->>S: stage, hash-validate, activate package atomically
 L->>L: build one validated NETLOAD startup script
 L->>A: ProcessStartInfo (explicit profile/script)
 A->>P: one NETLOAD local PRecAnnot.Plant3D2026.dll
 P->>A: commands and Ribbon registry
```

Foundation performs through `LaunchPrepared`; real process start remains dry-run only.