---
id: drift/reference-modules
name: Create reference graph type Modules (call-graph, secret-graph)
status: pending
depends_on:
  - drift/metagraph-module
  - drift/bridge-functions
scope: moderate
risk: medium
impact: component
level: implementation
---

## Description

Create concrete graph type Modules that compose from `Metagraph` via `Import()` and `Type.Composite()`. These serve as reference implementations and validation that the Module pattern works end-to-end with the bridge functions.

Per metagraph-module.md Phase 3, start with:
- `call-graph.ts` — mirrors `@alkdev/flowgraph`'s `CallNodeAttrs`/`CallEdgeAttrs` schemas
- `secret-graph.ts` — the encrypted data graph type from encrypted-data.md

Each Module uses `Metagraph.Import("BaseNode")` and `Metagraph.Import("BaseEdge")` for base composition (ADR-010: same-package Modules use `Import()` directly).

## Acceptance Criteria

- [ ] `src/graphs/modules/call-graph.ts` exports `CallGraph` as `Type.Module({...})` with entries: `Config`, `CallNode`, `SubcallNode`, `TriggeredEdge`, `DependsOnEdge`, `TriggeredEdgeConstraints`, `DependsOnEdgeConstraints`, `CallStatus`, `Identity`
- [ ] `CallGraph.Config` uses `Type.Literal` values (frozen config: directed, not multi, no self-loops)
- [ ] `CallGraph.CallNode` composes `Metagraph.Import("BaseNode")` with call-specific attributes via `Type.Composite`
- [ ] `CallGraph.TriggeredEdge` composes `Metagraph.Import("BaseEdge")` with `type: Type.Literal("triggered")`
- [ ] Edge constraint entries follow `*EdgeConstraints` naming convention with `edgeType`, `allowedSourceTypes`, `allowedTargetTypes`
- [ ] `src/graphs/modules/secret-graph.ts` exports `SecretGraph` with: `Config`, `SecretNode`, `ClientNode`, `HasSecretEdge`, `HasSecretEdgeConstraints`
- [ ] `moduleToDbSchema(CallGraph)` produces valid `DbSchema` rows compatible with the sqlite metagraph tables
- [ ] `moduleToDbSchema(SecretGraph)` produces valid `DbSchema` rows
- [ ] `validateNode(CallGraph, "CallNode", validData)` returns `true`
- [ ] `src/graphs/modules/index.ts` barrel re-exports all Module definitions
- [ ] `deno check mod.ts` passes

## References

- docs/architecture/metagraph-module.md — "Concrete Graph Type Modules" and "Edge Type Constraints" sections
- docs/architecture/encrypted-data.md — SecretGraph Module definition
- docs/architecture/decisions/010-metagraph-import-for-same-package.md

## Notes

> To be filled by implementation agent

## Summary

> To be filled on completion