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Proven Library Integration Plan

This document outlines how the proven library's formally verified modules integrate with AmbientOps.

Applicable Modules

High Priority

Module Use Case Formal Guarantee
SafeStateMachine System procedure states Valid state transitions
SafeResource System resource lifecycle Clean state management
SafeProvenance Undo tokens and receipts Tamper-evident history

Medium Priority

Module Use Case Formal Guarantee
SafeCapability Permission management Least privilege
SafeReversible Undo operations inverse . forward = id
SafeSchema Config validation Type-safe settings

Integration Points by Department

Ward (Ambient Guidance)

system_state → SafeMetric.validate → health_indicator
  • SafeMetric for system health measurements
  • SafeBuffer for ambient notification queue
  • SafeSchema for dashboard configuration

Emergency Room (Incident Handling)

:incident → :triaged → :contained → :resolved

SafeStateMachine ensures panic-safe incident handling:

  • intake: incident → triaged
  • contain: triaged → contained
  • resolve: contained → resolved
  • Each transition has safety guarantees

Operating Room (Planned Procedures)

:scan → :plan → :apply → :undo → :receipt

The "Scan → Plan → Apply → Undo → Receipt" workflow maps to proven modules:

Phase proven Module Guarantee
Scan SafeMetric Valid measurements
Plan SafeGraph Valid dependency order
Apply SafeStateMachine Reversible application
Undo SafeReversible Exact state reversal
Receipt SafeProvenance Tamper-evident record

Records (Audit Trail)

operation → SafeProvenance.logEntry → hash-chained receipt

Every system modification creates:

  • Before/after state hash
  • Operation details
  • Undo token (reversibility proof)
  • Chain link to previous entry

Safety Principles as Proofs

AmbientOps safety principles map to proven guarantees:

Principle proven Module Proof
No fearware SafeMetric (accurate only) ValidMetric
Evidence first SafeProvenance TamperFree
Scan is non-mutating SafeResource (read-only) NoMutation
Apply requires approval SafeCapability ExplicitConsent
Undo is first-class SafeReversible InverseExists

Hospital Model Verification

-- Ward: ambient state is always valid
WardInvariant : ValidState ward -> Safe ward

-- ER: incident handling terminates
ERTermination : Incident -> Eventually Resolved

-- OR: procedures are reversible
ORReversible : (proc : Procedure) -> inverse (apply proc) . apply proc = id

-- Records: history is tamper-evident
RecordsIntegrity : Chain -> HashIntegrity

Implementation Notes

For the Julia dashboard and Elixir services:

# juliadashboard integration
using ProvenBindings: SafeMetric, SafeProvenance

function record_operation(op::Operation)
    SafeProvenance.log_entry(op)
end

Status

  • Add SafeStateMachine for procedure workflow
  • Integrate SafeReversible for undo operations
  • Implement SafeProvenance for receipts
  • Add SafeMetric for system health