# 007 MK2 Audit Target: REPL
# Status: DESIGN TARGET — check against actual implementation

## Must Have

| Category | Feature |
|---|---|
| Syntax | Single source of truth for interactive evaluation |
| Architecture | Modular language backends |
| Context | Discourse-bound context (history/scope/environment) |
| Diagnostics | Unified error reporting |
| Execution | Direct and meta-level evaluation |

## Should Have

| Category | Feature |
|---|---|
| Interop | REPL-to-static-tool interop |
| Selection | Dynamic semantic selection |
| Performance | JIT for hot paths |
| Tooling | Semantic-aware tooling (history/autocomplete/debuggers) |

## Could Have

| Category | Feature |
|---|---|
| Concurrency | Parallel evaluation |
| Codegen | Semantic-aware codegen |
| Runtime | Runtime semantic switching |

## Aspirational

| Category | Feature |
|---|---|
| Inference | Automated inference |
| Verification | Formal proofs of REPL equivalence |
| Consistency | Language-wide consistency checks |

## Ecosystem Integration
- Package Manager: OPSM
- IDE: PanLL + Visual Codium (ENSAID)
