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Orchestrata Ultimate / Specs / 007-prolog-governance

007-prolog-governance: Prolog Governance (PAM++)

The Prolog Governance System (PAM++) provides constitutional policy enforcement through SWI-Prolog. It defines 11 constitutional articles, 10 core governance predicates, ethical boundaries, and dynamic policy management for the Orchestrata multi-agent system.

At a glance

Item Value
Spec directory specs/007-prolog-governance/
Status line in the spec Complete
Requirement IDs defined 367
With a @traces citation in src/ 105 (28.6%)
With a @traces citation in tests/ 0 (0.0%)
Tracked files 7
RTM page 007-prolog-governance

Reading this spec

The Prolog Governance System (PAM++) provides constitutional policy enforcement for the multi-agent system through SWI-Prolog. It defines 11 constitutional articles, 10 core governance predicates, ethical boundaries and dynamic policy management, and is meant to be the immutable source of truth for policy decisions.

The scope is eight user stories: policy querying and constitutional enforcement (critical), dynamic policy updates, resource access control, ethical boundaries and violation tracking (high), and safe mode and monitoring and metrics (medium). The spec also has sections listing the 11 articles and the 10 predicates, and functional requirements starting with performance. Requirement IDs use the REQ-007- prefix.

The overview states the design: SWI-Prolog 9.0 or later through pyswip, Redis caching for performance with cached queries under 5ms, Neo4j audit logging, and goal-oriented synchronization. Policies update without restarts, and every decision leaves an audit trail as Prolog facts.

In the code, the package is orchestrata_ultimate/governance. The largest tracers are orchestrata_ultimate/governance/interfaces, orchestrata_ultimate/governance/prolog_client, orchestrata_ultimate/governance/policy_engine, orchestrata_ultimate/governance/ethical and orchestrata_ultimate/governance/types. The per-requirement view is on the RTM page.

The spec's status line reads Complete. It tracks 7 files and defines 367 requirement IDs. The full text follows below.

Measured coverage is 105 of 367 requirements cited by at least one @traces in src/ (28.6%), spread over 23 modules; the module citing the most of them is orchestrata_ultimate/governance/interfaces (28 requirements). In tests/, 0 requirements are cited by a test-side @traces.

Coverage gaps: 262 requirements have no citing symbol. The largest untraced groups are REQ-007-FR10 (120), REQ-007-FR2 (16), REQ-007-FR4 (13). Untraced means no @traces names the ID; the behaviour may still exist in code that was never annotated. Test-side citations are thinner than code-side ones (0 against 105).

Requirements

Checkbox is the state recorded in the requirements checklist; Traced by is the count of src/ symbols whose @traces names the ID.

ID Done Requirement Traced by
REQ-007-US-001-001 yes may_execute/2 predicate accepts operation and context 7
REQ-007-US-001-002 yes Returns boolean result in < 5ms for cached policies 3
REQ-007-US-001-003 yes Returns detailed reason when operation is denied 5
REQ-007-US-001-004 yes Supports batch queries for multiple operations 2
REQ-007-US-001-005 yes Thread-safe for concurrent queries 5
REQ-007-US-001-006 yes Logs all policy queries with timestamp and context 2
REQ-007-US-001-007 yes Implement synchronous query interface 10
REQ-007-US-001-008 yes Implement async query interface for web handlers 3
REQ-007-US-001-009 yes Add query result caching with TTL 7
REQ-007-US-001-010 yes Add metrics collection for query performance 1
REQ-007-US-001-011 yes Add audit logging for all policy decisions 4
REQ-007-US-001-012 yes Unit tests for all query types none
REQ-007-US-001-013 yes Performance tests for < 5ms response time none
REQ-007-US-001-014 yes Concurrent query tests (1000+ simultaneous) none
REQ-007-US-001-015 yes Cache hit/miss ratio tests none
REQ-007-US-001-016 yes Audit log completeness tests none
REQ-007-US-002-001 yes All 11 constitutional articles loaded as Prolog facts 6
REQ-007-US-002-002 yes Constraints checked before every sensitive operation 5
REQ-007-US-002-003 yes Violations result in operation rejection with reason 7
REQ-007-US-002-004 yes Violation attempts logged to audit trail 4
REQ-007-US-002-005 yes System enters safe mode after 3 violations in 1 minute 3
REQ-007-US-002-006 yes Administrator notified of repeated violations none
REQ-007-US-002-007 yes Implement constitutional fact database none
REQ-007-US-002-008 yes Implement pre-execution constraint checks 6
REQ-007-US-002-009 yes Implement violation tracking and threshold detection 1
REQ-007-US-002-010 yes Implement safe mode state management 6
REQ-007-US-002-011 yes Implement administrator notification system none
REQ-007-US-002-012 yes Add violation pattern analysis none
REQ-007-US-002-013 yes Tests for each constitutional article none
REQ-007-US-002-014 yes Violation detection tests none
REQ-007-US-002-015 yes Safe mode trigger tests none
REQ-007-US-002-016 yes Notification delivery tests none
REQ-007-US-002-017 yes Pattern analysis accuracy tests none
REQ-007-US-003-001 yes Hot-reload of policy files without downtime 3
REQ-007-US-003-002 yes Validation of new policies before activation 4
REQ-007-US-003-003 yes Rollback to previous policy version on validation failure 2
REQ-007-US-003-004 yes Policy versioning with change history 4
REQ-007-US-003-005 yes Audit trail of all policy changes none
REQ-007-US-003-006 yes Zero impact on active operations during reload none
REQ-007-US-003-007 yes Implement policy file watcher none
REQ-007-US-003-008 yes Implement policy validation engine 4
REQ-007-US-003-009 yes Implement atomic policy swap mechanism 3
REQ-007-US-003-010 yes Implement policy version control 3
REQ-007-US-003-011 yes Implement change audit logging none
REQ-007-US-003-012 yes Add policy diff visualization none
REQ-007-US-003-013 yes Hot-reload correctness tests none
REQ-007-US-003-014 yes Validation failure handling tests none
REQ-007-US-003-015 yes Rollback mechanism tests none
REQ-007-US-003-016 yes Zero-downtime verification tests none
REQ-007-US-003-017 yes Audit trail completeness tests none
REQ-007-US-004-001 yes File system access controlled by path patterns 4
REQ-007-US-004-002 yes Network access controlled by domain whitelist 2
REQ-007-US-004-003 yes API access controlled by endpoint permissions 2
REQ-007-US-004-004 yes Database access controlled by schema permissions 2
REQ-007-US-004-005 yes Context-aware permission evaluation 3
REQ-007-US-004-006 yes Permission inheritance from role hierarchy 1
REQ-007-US-004-007 yes Implement resource access predicates 1
REQ-007-US-004-008 yes Implement permission resolution engine 2
REQ-007-US-004-009 yes Implement role hierarchy evaluation none
REQ-007-US-004-010 yes Implement access denial logging 1
REQ-007-US-004-011 yes Add permission caching for performance 1
REQ-007-US-004-012 yes Add least-privilege verification none
REQ-007-US-004-013 yes Access control tests for all resource types none
REQ-007-US-004-014 yes Context-based permission tests none
REQ-007-US-004-015 yes Role hierarchy tests none
REQ-007-US-004-016 yes Denial logging tests none
REQ-007-US-004-017 yes Cache correctness tests none
REQ-007-US-005-001 yes Harm detection predicates operational 3
REQ-007-US-005-002 yes Deception detection predicates operational 3
REQ-007-US-005-003 yes Privacy violation detection operational 3
REQ-007-US-005-004 yes Bias detection predicates operational 2
REQ-007-US-005-005 yes Autonomy violation detection operational 2
REQ-007-US-005-006 yes All detections trigger immediate rejection 2
REQ-007-US-005-007 yes Implement harm assessment predicates 1
REQ-007-US-005-008 yes Implement deception pattern matching 1
REQ-007-US-005-009 yes Implement privacy boundary checking 1
REQ-007-US-005-010 yes Implement bias detection heuristics 1
REQ-007-US-005-011 yes Implement autonomy verification 1
REQ-007-US-005-012 yes Add ethical violation reporting 4
REQ-007-US-005-013 yes Harm detection accuracy tests none
REQ-007-US-005-014 yes Deception detection tests none
REQ-007-US-005-015 yes Privacy boundary tests none
REQ-007-US-005-016 yes Bias detection tests none
REQ-007-US-005-017 yes False positive rate < 1% none
REQ-007-US-006-001 yes Query latency metrics (p50, p95, p99) 4
REQ-007-US-006-002 yes Cache hit rate metrics 6
REQ-007-US-006-003 yes Violation rate metrics 7
REQ-007-US-006-004 yes Policy reload metrics none
REQ-007-US-006-005 yes Resource access metrics none
REQ-007-US-006-006 yes Real-time dashboard with alerts none
REQ-007-US-006-007 yes Implement Prometheus metrics export 1
REQ-007-US-006-008 yes Implement latency histogram collection 3
REQ-007-US-006-009 yes Implement cache metrics tracking 4
REQ-007-US-006-010 yes Implement violation rate tracking 3
REQ-007-US-006-011 yes Implement dashboard API endpoints none
REQ-007-US-006-012 yes Add alerting thresholds none
REQ-007-US-006-013 yes Metrics accuracy tests none
REQ-007-US-006-014 yes Dashboard API tests none
REQ-007-US-006-015 yes Alerting trigger tests none
REQ-007-US-006-016 yes Historical data retention tests none
REQ-007-US-006-017 yes Metrics performance impact < 0.1ms none
REQ-007-FR1-001 yes Define operation term structure none
REQ-007-FR1-002 yes Define context term structure none
REQ-007-FR1-003 yes Implement constitutional check logic 2
REQ-007-FR1-004 yes Implement permission check logic 1
REQ-007-FR1-005 yes Implement resource check logic 1
REQ-007-FR1-006 yes Implement ethical check logic 4
REQ-007-FR1-007 yes Add comprehensive logging 1
REQ-007-FR1-008 yes Add performance optimization 1
REQ-007-FR1-009 yes Test with valid operations none
REQ-007-FR1-010 yes Test with invalid operations none
REQ-007-FR1-011 yes Test with partial context none
REQ-007-FR1-012 yes Test with missing permissions none
REQ-007-FR1-013 yes Test performance < 5ms cached none
REQ-007-FR1-014 yes Test concurrent queries none
REQ-007-FR2-001 yes Implement Article I checks (human autonomy) none
REQ-007-FR2-002 yes Implement Article II checks (transparency) none
REQ-007-FR2-003 yes Implement Article III checks (harm prevention) none
REQ-007-FR2-004 yes Implement Article IV checks (privacy) none
REQ-007-FR2-005 yes Implement Article V checks (fairness) none
REQ-007-FR2-006 yes Implement Article VI checks (accountability) none
REQ-007-FR2-007 yes Implement Article VII checks (security) none
REQ-007-FR2-008 yes Implement Article VIII checks (sustainability) none
REQ-007-FR2-009 yes Implement Article IX checks (dignity) none
REQ-007-FR2-010 yes Implement Article X checks (rights) none
REQ-007-FR2-011 yes Implement Article XI checks (improvement) none
REQ-007-FR2-012 yes Add violation reason reporting 5
REQ-007-FR2-013 yes Add check short-circuiting for performance 1
REQ-007-FR2-014 yes Test each article check independently none
REQ-007-FR2-015 yes Test combined article checks none
REQ-007-FR2-016 yes Test violation detection accuracy none
REQ-007-FR2-017 yes Test reason reporting clarity none
REQ-007-FR2-018 yes Test performance impact none
REQ-007-FR3-001 yes Implement direct permission lookup 1
REQ-007-FR3-002 yes Implement role-based permission resolution none
REQ-007-FR3-003 yes Implement permission inheritance none
REQ-007-FR3-004 yes Implement permission denial override 1
REQ-007-FR3-005 yes Implement context-based restrictions 1
REQ-007-FR3-006 yes Add permission caching 2
REQ-007-FR3-007 yes Add least-privilege verification none
REQ-007-FR3-008 yes Add permission audit logging none
REQ-007-FR3-009 yes Test direct permissions none
REQ-007-FR3-010 yes Test role-based permissions none
REQ-007-FR3-011 yes Test permission inheritance none
REQ-007-FR3-012 yes Test denial overrides none
REQ-007-FR3-013 yes Test context restrictions none
REQ-007-FR3-014 yes Test cache correctness none
REQ-007-FR4-001 yes Implement resource type detection none
REQ-007-FR4-002 yes Implement permission integration 5
REQ-007-FR4-003 yes Implement availability checking none
REQ-007-FR4-004 yes Implement lock detection none
REQ-007-FR4-005 yes Implement quota enforcement none
REQ-007-FR4-006 yes Add access logging none
REQ-007-FR4-007 yes Add resource usage tracking none
REQ-007-FR4-008 yes Add quota analytics none
REQ-007-FR4-009 yes Test file system access none
REQ-007-FR4-010 yes Test network access none
REQ-007-FR4-011 yes Test database access none
REQ-007-FR4-012 yes Test API access none
REQ-007-FR4-013 yes Test quota enforcement none
REQ-007-FR4-014 yes Test lock detection none
REQ-007-FR5-001 yes Implement harm detection logic 2
REQ-007-FR5-002 yes Implement deception detection logic 2
REQ-007-FR5-003 yes Implement privacy violation detection 2
REQ-007-FR5-004 yes Implement bias detection logic 1
REQ-007-FR5-005 yes Implement autonomy violation detection 1
REQ-007-FR5-006 yes Add ethical violation logging none
REQ-007-FR5-007 yes Add false positive analysis none
REQ-007-FR5-008 yes Add ethical violation reporting 2
REQ-007-FR5-009 yes Test harm detection accuracy none
REQ-007-FR5-010 yes Test deception detection accuracy none
REQ-007-FR5-011 yes Test privacy detection accuracy none
REQ-007-FR5-012 yes Test bias detection accuracy none
REQ-007-FR5-013 yes Test autonomy detection accuracy none
REQ-007-FR5-014 yes Test false positive rate < 1% none
REQ-007-FR6-001 yes Implement syntax validation 1
REQ-007-FR6-002 yes Implement conflict detection 1
REQ-007-FR6-003 yes Implement circular dependency detection none
REQ-007-FR6-004 yes Implement predicate definition checking none
REQ-007-FR6-005 yes Implement performance impact analysis none
REQ-007-FR6-006 yes Add validation error reporting 2
REQ-007-FR6-007 yes Add policy diff generation none
REQ-007-FR6-008 yes Add validation metrics none
REQ-007-FR6-009 yes Test well-formed policies none
REQ-007-FR6-010 yes Test malformed policies none
REQ-007-FR6-011 yes Test conflicting policies none
REQ-007-FR6-012 yes Test circular dependencies none
REQ-007-FR6-013 yes Test undefined predicates none
REQ-007-FR6-014 yes Test performance impact none
REQ-007-FR7-001 yes Implement violation recording 3
REQ-007-FR7-002 yes Implement metrics updating 2
REQ-007-FR7-003 yes Implement threshold checking 1
REQ-007-FR7-004 yes Implement notification triggering none
REQ-007-FR7-005 yes Add violation pattern analysis none
REQ-007-FR7-006 yes Add violation history retention 1
REQ-007-FR7-007 yes Add violation trend analysis none
REQ-007-FR7-008 yes Add violation reporting 4
REQ-007-FR7-009 yes Test violation recording none
REQ-007-FR7-010 yes Test metrics accuracy none
REQ-007-FR7-011 yes Test threshold detection none
REQ-007-FR7-012 yes Test notification delivery none
REQ-007-FR7-013 yes Test pattern analysis none
REQ-007-FR7-014 yes Test history retention none
REQ-007-FR8-001 yes Implement operation halting 3
REQ-007-FR8-002 yes Implement state preservation 1
REQ-007-FR8-003 yes Implement administrator notification none
REQ-007-FR8-004 yes Implement manual intervention waiting none
REQ-007-FR8-005 yes Implement safe mode logging 3
REQ-007-FR8-006 yes Add safe mode recovery procedures 2
REQ-007-FR8-007 yes Add safe mode exit validation 3
REQ-007-FR8-008 yes Add safe mode audit trail 2
REQ-007-FR8-009 yes Test operation halting none
REQ-007-FR8-010 yes Test state preservation none
REQ-007-FR8-011 yes Test notification delivery none
REQ-007-FR8-012 yes Test recovery procedures none
REQ-007-FR8-013 yes Test audit completeness none
REQ-007-FR8-014 yes Test exit validation none
REQ-007-FR9-001 yes Implement required field validation none
REQ-007-FR9-002 yes Implement value validation none
REQ-007-FR9-003 yes Implement relationship validation none
REQ-007-FR9-004 yes Implement invariant checking none
REQ-007-FR9-005 yes Add context enrichment none
REQ-007-FR9-006 yes Add context normalization none
REQ-007-FR9-007 yes Add context caching 1
REQ-007-FR9-008 yes Add context validation metrics none
REQ-007-FR9-009 yes Test complete contexts none
REQ-007-FR9-010 yes Test incomplete contexts none
REQ-007-FR9-011 yes Test invalid field values none
REQ-007-FR9-012 yes Test relationship violations none
REQ-007-FR9-013 yes Test invariant violations none
REQ-007-FR9-014 yes Test cache correctness none
REQ-007-FR10-001 yes Implement metric type validation none
REQ-007-FR10-002 yes Implement metric recording 2
REQ-007-FR10-003 yes Implement aggregate computation none
REQ-007-FR10-004 yes Implement alert threshold checking none
REQ-007-FR10-005 yes Implement Prometheus export none
REQ-007-FR10-006 yes Add metric retention policies none
REQ-007-FR10-007 yes Add metric visualization support none
REQ-007-FR10-008 yes Add metric correlation analysis none
REQ-007-FR10-009 yes Test all metric types none
REQ-007-FR10-010 yes Test aggregate accuracy none
REQ-007-FR10-011 yes Test alert triggering none
REQ-007-FR10-012 yes Test Prometheus export format none
REQ-007-FR10-013 yes Test retention policies none
REQ-007-FR10-014 yes Test visualization data none
REQ-007-FR10-015 yes Cached policy queries < 5ms (p99) 1
REQ-007-FR10-016 yes Uncached policy queries < 50ms (p99) none
REQ-007-FR10-017 yes Complex constraint evaluation < 100ms (p99) 2
REQ-007-FR10-018 yes Batch queries < 10ms per operation (p99) 1
REQ-007-FR10-019 yes Sustain 10,000+ policy decisions/second none
REQ-007-FR10-020 yes Handle 1,000+ concurrent queries none
REQ-007-FR10-021 yes Support 100+ policy updates/hour none
REQ-007-FR10-022 yes Process 1M+ decisions/day none
REQ-007-FR10-023 yes Policy engine memory < 500MB none
REQ-007-FR10-024 yes CPU usage < 10% under normal load none
REQ-007-FR10-025 yes CPU usage < 50% under peak load none
REQ-007-FR10-026 yes Network overhead < 1KB per query none
REQ-007-FR10-027 yes Policy engine uptime > 99.9% none
REQ-007-FR10-028 yes Hot-reload success rate > 99% none
REQ-007-FR10-029 yes Zero-downtime policy updates none
REQ-007-FR10-030 yes Recovery time < 30 seconds none
REQ-007-FR10-031 yes PySWIP integration complete none
REQ-007-FR10-032 yes Synchronous query API 7
REQ-007-FR10-033 yes Asynchronous query API 2
REQ-007-FR10-034 yes Exception handling and retry logic 3
REQ-007-FR10-035 yes Connection pooling for concurrent queries none
REQ-007-FR10-036 yes Policy check middleware none
REQ-007-FR10-037 yes Async policy query endpoints none
REQ-007-FR10-038 yes Policy management endpoints none
REQ-007-FR10-039 yes Metrics export endpoints none
REQ-007-FR10-040 yes WebSocket support for real-time updates none
REQ-007-FR10-041 yes Session context enrichment 1
REQ-007-FR10-042 yes Per-session permission caching none
REQ-007-FR10-043 yes Session violation tracking none
REQ-007-FR10-044 yes Session safe-mode handling none
REQ-007-FR10-045 yes Session audit trail integration none
REQ-007-FR10-046 yes Policy fact synchronization none
REQ-007-FR10-047 yes Constitutional article relationships none
REQ-007-FR10-048 yes Permission hierarchy visualization none
REQ-007-FR10-049 yes Violation pattern analysis none
REQ-007-FR10-050 yes Policy impact analysis none
REQ-007-FR10-051 yes Admin-only policy modification 2
REQ-007-FR10-052 yes Operator-level policy viewing none
REQ-007-FR10-053 yes User-level policy queries only none
REQ-007-FR10-054 yes API key authentication for external queries none
REQ-007-FR10-055 yes Rate limiting on policy endpoints none
REQ-007-FR10-056 yes All policy queries logged 1
REQ-007-FR10-057 yes All policy changes logged none
REQ-007-FR10-058 yes All violations logged 1
REQ-007-FR10-059 yes All safe mode entries logged none
REQ-007-FR10-060 yes Logs immutable and tamper-evident none
REQ-007-FR10-061 yes Policy files encrypted at rest none
REQ-007-FR10-062 yes Policy changes versioned in git none
REQ-007-FR10-063 yes Policy changes signed by administrators none
REQ-007-FR10-064 yes Policy backups encrypted none
REQ-007-FR10-065 yes Policy access logged none
REQ-007-FR10-066 yes All predicates documented with examples none
REQ-007-FR10-067 yes Query interface documented none
REQ-007-FR10-068 yes Policy structure documented none
REQ-007-FR10-069 yes Constraint syntax documented none
REQ-007-FR10-070 yes Error codes documented none
REQ-007-FR10-071 yes Deployment guide none
REQ-007-FR10-072 yes Policy authoring guide none
REQ-007-FR10-073 yes Troubleshooting guide none
REQ-007-FR10-074 yes Performance tuning guide none
REQ-007-FR10-075 yes Recovery procedures guide none
REQ-007-FR10-076 yes Architecture overview none
REQ-007-FR10-077 yes Integration guide none
REQ-007-FR10-078 yes Testing guide none
REQ-007-FR10-079 yes Extension guide none
REQ-007-FR10-080 yes Migration guide none
REQ-007-FR10-081 yes All predicates have unit tests none
REQ-007-FR10-082 yes All edge cases covered none
REQ-007-FR10-083 yes All error conditions tested none
REQ-007-FR10-084 yes All performance requirements verified none
REQ-007-FR10-085 yes Test coverage > 95% none
REQ-007-FR10-086 yes End-to-end policy enforcement tests none
REQ-007-FR10-087 yes Session integration tests none
REQ-007-FR10-088 yes Knowledge graph integration tests none
REQ-007-FR10-089 yes FastAPI integration tests none
REQ-007-FR10-090 yes Hot-reload integration tests none
REQ-007-FR10-091 yes Latency benchmark tests none
REQ-007-FR10-092 yes Throughput benchmark tests none
REQ-007-FR10-093 yes Concurrent query tests none
REQ-007-FR10-094 yes Memory usage tests none
REQ-007-FR10-095 yes CPU usage tests none
REQ-007-FR10-096 yes Authorization bypass tests none
REQ-007-FR10-097 yes Privilege escalation tests none
REQ-007-FR10-098 yes Policy injection tests none
REQ-007-FR10-099 yes Audit trail integrity tests none
REQ-007-FR10-100 yes Rate limiting tests none
REQ-007-FR10-101 yes SWI-Prolog installed and configured none
REQ-007-FR10-102 yes PySWIP installed and tested none
REQ-007-FR10-103 yes Policy files deployed to correct location none
REQ-007-FR10-104 yes Permissions set correctly none
REQ-007-FR10-105 yes Monitoring configured none
REQ-007-FR10-106 yes Policy paths configurable none
REQ-007-FR10-107 yes Performance thresholds configurable none
REQ-007-FR10-108 yes Alert thresholds configurable none
REQ-007-FR10-109 yes Logging levels configurable none
REQ-007-FR10-110 yes Cache sizes configurable 1
REQ-007-FR10-111 yes Prometheus metrics export configured none
REQ-007-FR10-112 yes Grafana dashboards deployed none
REQ-007-FR10-113 yes Alert rules configured none
REQ-007-FR10-114 yes Log aggregation configured none
REQ-007-FR10-115 yes Health check endpoints active none
REQ-007-FR10-116 yes All 10 predicates operational none
REQ-007-FR10-117 yes All 6 user stories satisfied none
REQ-007-FR10-118 yes Zero critical bugs in production none
REQ-007-FR10-119 yes All constitutional articles enforced 2
REQ-007-FR10-120 yes All test suites passing none
REQ-007-FR10-121 yes Query latency < 5ms (p99) 1
REQ-007-FR10-122 yes Throughput > 10,000 decisions/sec 1
REQ-007-FR10-123 yes Uptime > 99.9% none
REQ-007-FR10-124 yes Zero-downtime updates verified none
REQ-007-FR10-125 yes Resource usage within limits none
REQ-007-FR10-126 yes Zero policy bypasses detected none
REQ-007-FR10-127 yes Audit trail complete and intact 1
REQ-007-FR10-128 yes All access attempts logged none
REQ-007-FR10-129 yes Safe mode triggers verified none
REQ-007-FR10-130 yes No unauthorized policy changes none
REQ-007-FR10-131 yes Product Owner: Requirements complete and validated none
REQ-007-FR10-132 yes Tech Lead: Architecture reviewed and approved none
REQ-007-FR10-133 yes QA Lead: Test coverage adequate none
REQ-007-FR10-134 yes Security Lead: Security requirements met none
REQ-007-FR10-135 yes Operations: Deployment plan approved none
REQ-007-FR10-136 yes Documentation: All docs complete and reviewed none

Code that traces this spec

Module Symbols Requirements
orchestrata_ultimate/agents/constraints 1 1
orchestrata_ultimate/core/protocols/decoupling 6 4
orchestrata_ultimate/governance/audit 4 7
orchestrata_ultimate/governance/cache 9 10
orchestrata_ultimate/governance/constitutional 6 9
orchestrata_ultimate/governance/dynamic_policy 6 8
orchestrata_ultimate/governance/ethical 7 16
orchestrata_ultimate/governance/exceptions 5 6
orchestrata_ultimate/governance/interfaces 21 28
orchestrata_ultimate/governance/monitoring 9 10
orchestrata_ultimate/governance/policy_engine 9 16
orchestrata_ultimate/governance/prolog_client 19 27
orchestrata_ultimate/governance/prolog_gate 1 1
orchestrata_ultimate/governance/resource_access 7 5
orchestrata_ultimate/governance/safe_mode 9 9
orchestrata_ultimate/governance/types 10 15
orchestrata_ultimate/governance/violations 5 7
orchestrata_ultimate/kernel/dispatcher 2 2
orchestrata_ultimate/orchestrator/graph_audit 1 1
orchestrata_ultimate/orchestrator/policy_registry 1 1
orchestrata_ultimate/orchestrator/prolog_worker 6 3
orchestrata_ultimate/planning/plan_parser 2 1
orchestrata_ultimate/session/prolog_interface 2 3

Checklists

checklists/constitutional.md

Constitutional Checklist - Article I through XI Implementation

Status: 🔴 Not Started
Priority: CRITICAL - Foundation of All Governance
Owner: TBD
Target: Sprint 007

Overview

This checklist tracks implementation of all 11 constitutional articles as Prolog predicates and facts. These articles form the immutable foundation of the orchestrator's governance system. Article I is the most critical - it establishes human autonomy as the supreme principle that overrides all other considerations.

Article I: Human Autonomy and Authority (MOST CRITICAL)

Principle: The orchestrator exists to augment and assist human decision-making, never to replace or override human judgment. Human autonomy is the supreme constitutional principle.

Article I.1: Human Override Authority

Implementation:

% SUPREME RULE: Humans can override any decision
human_override(Decision, Human, Reason) :-
    authenticated_human(Human),
    record_override(Decision, Human, Reason),
    halt_automated_action(Decision),
    await_human_decision(Decision).

% No operation proceeds without human consent for critical actions
requires_human_consent(Operation) :-
    critical_operation(Operation) ;
    affects_external_systems(Operation) ;
    irreversible_action(Operation) ;
    high_risk_operation(Operation).

Checklist:

Test Coverage:

Article I.2: Consent Management

Implementation:

% Explicit consent required for sensitive operations
has_consent(Human, Operation, Context) :-
    consent_record(Human, Operation, Timestamp),
    consent_not_expired(Timestamp),
    consent_scope_covers(Operation, Context),
    not(consent_revoked(Human, Operation)).

% Consent can be revoked at any time
revoke_consent(Human, Operation, Reason) :-
    authenticated_human(Human),
    existing_consent(Human, Operation),
    record_revocation(Human, Operation, Reason),
    halt_operations_using_consent(Human, Operation),
    notify_affected_sessions(Human, Operation).

Checklist:

Test Coverage:

Article I.3: Transparency and Explanation

Implementation:

% All decisions must be explainable to humans
explainable_decision(Decision) :-
    has_reasoning_chain(Decision),
    reasoning_in_plain_language(Decision),
    reasoning_accurate(Decision),
    reasoning_complete(Decision).

% Humans can request explanation at any time
explain_decision(Decision, Human, Language) :-
    authenticated_human(Human),
    decision_exists(Decision),
    generate_explanation(Decision, Language, Explanation),
    format_for_human(Explanation, Formatted),
    deliver_explanation(Human, Formatted).

Checklist:

Test Coverage:

Article I.4: Human-in-the-Loop for Critical Decisions

Implementation:

% Critical decisions require human-in-the-loop
critical_decision_requires_human(Decision, Context) :-
    (affects_human_safety(Decision, Context) ;
     irreversible_consequences(Decision, Context) ;
     significant_resource_commitment(Decision, Context) ;
     ethical_ambiguity(Decision, Context)),
    request_human_input(Decision, Context),
    await_human_decision(Decision),
    incorporate_human_judgment(Decision).

Checklist:

Test Coverage:

Article II: Transparency and Observability

Principle: All system operations must be transparent and observable. No hidden actions, no black boxes.

Article II Implementation

Implementation:

% All operations must be logged
operation_transparent(Operation, Context) :-
    logged_to_audit_trail(Operation, Context),
    observable_by_authorized_humans(Operation),
    reasoning_documented(Operation),
    data_sources_documented(Operation).

% Query audit trail
query_audit_trail(Query, Human) :-
    authenticated_human(Human),
    authorized_to_view_audit(Human, Query),
    retrieve_audit_records(Query, Records),
    format_audit_records(Records, Formatted),
    deliver_audit_results(Human, Formatted).

Checklist:

Test Coverage:

Article III: Harm Prevention

Principle: The system must not cause harm to humans or enable harm by inaction.

Article III Implementation

Implementation:

% Harm detection and prevention
may_not_cause_harm(Operation, Context) :-
    not(direct_harm(Operation, Context)),
    not(indirect_harm(Operation, Context)),
    not(harm_by_inaction(Operation, Context)),
    harm_mitigation_in_place(Operation, Context).

% Harm assessment
assess_harm(Operation, Context, Assessment) :-
    identify_potential_harms(Operation, Context, Harms),
    evaluate_harm_severity(Harms, Severity),
    evaluate_harm_probability(Harms, Probability),
    compute_risk_score(Severity, Probability, Assessment).

Checklist:

Test Coverage:

Article IV: Privacy and Data Protection

Principle: User privacy is inviolable. Data protection is mandatory.

Article IV Implementation

Implementation:

% Privacy protection
respects_privacy(Operation, Context) :-
    not(accesses_pii_without_consent(Operation, Context)),
    not(shares_pii_without_consent(Operation, Context)),
    not(retains_pii_beyond_necessary(Operation, Context)),
    encryption_required_enforced(Operation, Context).

% PII handling
handle_pii(Data, Purpose, Context) :-
    has_consent_for_purpose(Data, Purpose, Context),
    minimal_data_collection(Data, Purpose),
    secure_storage(Data),
    retention_policy_enforced(Data, Purpose),
    deletion_on_purpose_completion(Data, Purpose).

Checklist:

Test Coverage:

Article V: Fairness and Non-Discrimination

Principle: The system must treat all users fairly without bias or discrimination.

Article V Implementation

Implementation:

% Fairness verification
operates_fairly(Operation, Context) :-
    not(exhibits_bias(Operation, Context)),
    not(discriminates(Operation, Context)),
    equal_treatment_verified(Operation, Context),
    disparate_impact_assessed(Operation, Context).

% Bias detection
detect_bias(Operation, Context, BiasReport) :-
    collect_decision_data(Operation, Context, Data),
    analyze_for_protected_attributes(Data, Analysis),
    compute_fairness_metrics(Analysis, Metrics),
    generate_bias_report(Metrics, BiasReport).

Checklist:

Test Coverage:

Article VI: Accountability and Auditability

Principle: All system actions must be accountable and auditable.

Article VI Implementation

Implementation:

% Accountability verification
accountable_operation(Operation, Context) :-
    has_responsible_party(Operation),
    audit_trail_complete(Operation, Context),
    decision_rationale_documented(Operation),
    appeal_mechanism_available(Operation).

% Audit compliance
audit_compliant(Operation, Context) :-
    all_actions_logged(Operation, Context),
    logs_tamper_proof(Operation),
    logs_retained_per_policy(Operation),
    external_audit_possible(Operation).

Checklist:

Test Coverage:

Article VII: Security and Integrity

Principle: System security and data integrity are paramount.

Article VII Implementation

Implementation:

% Security verification
secure_operation(Operation, Context) :-
    authentication_verified(Operation, Context),
    authorization_enforced(Operation, Context),
    data_integrity_maintained(Operation, Context),
    secure_communication_used(Operation, Context).

% Integrity checking
verify_integrity(Data, Context) :-
    checksum_valid(Data),
    signature_valid(Data),
    source_authenticated(Data),
    tampering_not_detected(Data, Context).

Checklist:

Test Coverage:

Article VIII: Sustainability and Resource Efficiency

Principle: The system must use resources efficiently and sustainably.

Article VIII Implementation

Implementation:

% Resource efficiency
resource_efficient(Operation, Context) :-
    cpu_usage_acceptable(Operation),
    memory_usage_acceptable(Operation),
    network_usage_acceptable(Operation),
    storage_usage_acceptable(Operation).

% Sustainability check
sustainable_operation(Operation, Context) :-
    resource_efficient(Operation, Context),
    no_resource_leaks(Operation),
    graceful_degradation(Operation, Context),
    load_shedding_available(Operation).

Checklist:

Test Coverage:

Article IX: Human Dignity and Respect

Principle: The system must respect human dignity in all interactions.

Article IX Implementation

Implementation:

% Dignity verification
respects_dignity(Operation, Context) :-
    not(degrading_interaction(Operation, Context)),
    not(manipulative_behavior(Operation, Context)),
    not(coercive_pattern(Operation, Context)),
    respectful_communication(Operation, Context).

% Interaction quality
quality_interaction(Interaction, Context) :-
    polite_language(Interaction),
    empathetic_response(Interaction, Context),
    no_dark_patterns(Interaction),
    user_agency_preserved(Interaction, Context).

Checklist:

Test Coverage:

Article X: Rights and Freedoms

Principle: The system must respect and protect human rights and freedoms.

Article X Implementation

Implementation:

% Rights protection
protects_rights(Operation, Context) :-
    not(infringes_free_speech(Operation, Context)),
    not(violates_due_process(Operation, Context)),
    not(restricts_access_unfairly(Operation, Context)),
    appeals_process_available(Operation).

% Freedom verification
respects_freedoms(Operation, Context) :-
    freedom_of_choice(Operation, Context),
    freedom_to_disconnect(Operation, Context),
    freedom_from_surveillance(Operation, Context),
    freedom_to_delete_data(Operation, Context).

Checklist:

Test Coverage:

Article XI: Continuous Improvement and Learning

Principle: The system must continuously learn and improve while maintaining constitutional compliance.

Article XI Implementation

Implementation:

% Improvement validation
valid_improvement(Change, Context) :-
    maintains_constitutional_compliance(Change),
    improves_user_experience(Change, Context),
    no_regression_in_safety(Change),
    documented_and_reviewed(Change).

% Learning constraints
safe_learning(Model, Data, Context) :-
    data_ethically_sourced(Data),
    bias_mitigation_applied(Model, Data),
    privacy_preserved(Data),
    human_oversight_maintained(Model, Context).

Checklist:

Test Coverage:

Constitutional Integration Requirements
Cross-Article Consistency
Constitutional Validation
Constitutional Audit
Implementation Priority

Phase 1 (Sprint 007): CRITICAL FOUNDATION

  1. Article I - Human Autonomy (HIGHEST PRIORITY)
  2. Article III - Harm Prevention
  3. Article VII - Security and Integrity

Phase 2 (Sprint 008): TRANSPARENCY AND ACCOUNTABILITY 4. Article II - Transparency 5. Article VI - Accountability 6. Article IV - Privacy

Phase 3 (Sprint 009): FAIRNESS AND RESPECT 7. Article V - Fairness 8. Article IX - Dignity 9. Article X - Rights

Phase 4 (Sprint 010): SUSTAINABILITY AND IMPROVEMENT 10. Article VIII - Sustainability 11. Article XI - Continuous Improvement

Success Criteria
Functional Success
Performance Success
Quality Success
Sign-off

Next Steps: Proceed to testing.md for comprehensive governance testing strategy.

checklists/requirements.md

The requirement list above comes from this file; 367 of 367 checkbox items are ticked.

checklists/testing.md

Testing Checklist - Prolog Governance System

Status: 🔴 Not Started
Priority: CRITICAL - Validates Constitutional Compliance
Owner: TBD
Target: Sprint 007

Overview

This checklist tracks comprehensive testing of the Prolog governance system. Testing must verify that all constitutional articles are correctly enforced, performance requirements are met, and the system operates safely under all conditions.

Performance Target: Policy evaluation < 5ms cached, 10,000+ decisions/second

Unit Testing Strategy
Core Predicate Tests
Test Suite: may_execute/2

Objective: Verify operation authorization logic.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: constitutional_check/2

Objective: Verify all constitutional articles enforced.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: has_permission/4

Objective: Verify permission resolution logic.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: may_access/4

Objective: Verify resource access control.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: ethical_check/2

Objective: Verify ethical boundary enforcement.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: valid_policy/1

Objective: Verify policy validation logic.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: track_violation/3

Objective: Verify violation tracking and analysis.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: enter_safe_mode/2

Objective: Verify safe mode management.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: evaluate_context/2

Objective: Verify context evaluation logic.

Test Cases:

Performance Requirements:

Coverage Requirements:

Test Suite: collect_metrics/3

Objective: Verify metrics collection and export.

Test Cases:

Performance Requirements:

Coverage Requirements:

Integration Testing Strategy
Session Management Integration

Test Scenarios:

Performance Requirements:

Knowledge Graph Integration

Test Scenarios:

Performance Requirements:

FastAPI Web Integration

Test Scenarios:

Performance Requirements:

Performance Testing Strategy
Latency Benchmarks

Benchmark Suite: Policy Query Latency

Tests:

Target Metrics:

Test Methodology:

Throughput Benchmarks

Benchmark Suite: Decision Throughput

Tests:

Target Metrics:

Test Methodology:

Resource Usage Benchmarks

Benchmark Suite: Resource Consumption

Tests:

Target Metrics:

Test Methodology:

Scalability Benchmarks

Benchmark Suite: System Scalability

Tests:

Target Metrics:

Test Methodology:

Load Testing Strategy
Sustained Load Tests

Test Suite: 24-Hour Sustained Load

Scenarios:

Success Criteria:

Monitoring:

Spike Load Tests

Test Suite: Traffic Spike Handling

Scenarios:

Success Criteria:

Monitoring:

Stress Testing Strategy
Capacity Stress Tests

Test Suite: System Limits Discovery

Scenarios:

Success Criteria:

Monitoring:

Chaos Testing

Test Suite: Fault Injection and Recovery

Scenarios:

Success Criteria:

Monitoring:

Security Testing Strategy
Authorization Bypass Tests

Test Suite: Permission Escalation Prevention

Scenarios:

Success Criteria:

Policy Injection Tests

Test Suite: Malicious Policy Prevention

Scenarios:

Success Criteria:

Audit Trail Tampering Tests

Test Suite: Log Integrity Verification

Scenarios:

Success Criteria:

Compliance Testing Strategy
Constitutional Compliance Tests

Test Suite: Article Enforcement Verification

Scenarios:

Success Criteria:

Performance Compliance Tests

Test Suite: SLA Verification

Requirements:

Success Criteria:

Regression Testing Strategy
Automated Regression Suite

Test Execution:

Regression Detection:

Regression Reporting:

Test Infrastructure
Test Environment Setup

Requirements:

Test Data Management:

Continuous Integration

CI/CD Integration:

Test Reporting:

Success Metrics
Quality Metrics
Performance Metrics
Compliance Metrics
Sign-off

Completion: This comprehensive testing strategy ensures the Prolog governance system is robust, performant, secure, and constitutionally compliant. All critical performance targets (< 5ms policy evaluation, > 10,000 decisions/sec) are explicitly tested and verified.

Other tracked files

Full spec text

Verbatim from specs/007-prolog-governance/spec.md; headings are pushed down two levels.

SPEC-007a: Prolog Governance (PAM++)

Metadata

Overview

What

The Prolog Governance System (PAM++) provides constitutional policy enforcement through SWI-Prolog. It defines 11 constitutional articles, 10 core governance predicates, ethical boundaries, and dynamic policy management for the Orchestrata multi-agent system.

Why
How

The 11 Constitutional Articles

Article Name Description
I Single Responsibility One concern per module
II Prolog Source of Truth No hardcoded rules
III Absolute Imports No relative imports
IV Session Isolation Session boundaries enforced
V Dependency Injection No hardcoded dependencies
VI Async First Async operations required
VII No Mocking Real implementations in tests
VIII UV Package Manager No pip
IX Verify Before Claim Test before assert
X PAM++ Governance Volk ownership enforced
XI Logging & Traceability Audit everything

The 10 Core Governance Predicates

%% 1. may_execute/3 - Action execution permission
may_execute(Subject, Action, Resource) :-
    has_permission(Subject, Action, Resource),
    constitutional_check(Subject, Action, pass),
    ethical_check(Action, pass).

%% 2. constitutional_check/3 - Constitutional compliance
constitutional_check(Subject, Action, Result) :-
    check_all_articles(Subject, Action, Results),
    all_pass(Results, Result).

%% 3. has_permission/3 - Permission check
has_permission(Subject, Action, Resource) :-
    role(Subject, Role),
    role_permission(Role, Action, Resource).

%% 4. may_access/4 - Resource access
may_access(Subject, Resource, Permission, Result) :-
    owns(Subject, Resource, Permission),
    Result = allow.

%% 5. ethical_check/2 - Ethical boundaries
ethical_check(Action, Result) :-
    \+ prohibited_action(Action),
    Result = pass.

%% 6. valid_policy/1 - Policy rule validation
valid_policy(Rule) :-
    rule_predicate(Rule, Pred),
    valid_predicate(Pred).

%% 7. track_violation/4 - Violation tracking
track_violation(Subject, Action, Article, Severity) :-
    log_violation(Subject, Action, Article, Severity).

%% 8. enter_safe_mode/1 - Safe mode trigger
enter_safe_mode(Reason) :-
    critical_violation(Reason),
    set_system_mode(safe).

%% 9. evaluate_context/2 - Context evaluation
evaluate_context(Context, Decision) :-
    may_execute(Subject, Action, Resource),
    Decision = allow.

%% 10. collect_metrics/1 - Metrics collection
collect_metrics(Metrics) :-
    decision_count(D),
    violation_count(V),
    Metrics = metrics(D, V).

User Scenarios & Stories

US-001: Policy Querying (Critical)

As a system component I want to query Prolog for policy decisions So that I can enforce governance

Acceptance Criteria:

US-002: Constitutional Enforcement (Critical)

As a governance enforcer I want to enforce constitutional articles So that system invariants are maintained

Acceptance Criteria:

US-003: Dynamic Policy Updates (High)

As a policy administrator I want to update policies dynamically So that governance adapts without restarts

Acceptance Criteria:

US-004: Resource Access Control (High)

As a resource owner I want to control access to resources So that unauthorized access is prevented

Acceptance Criteria:

US-005: Ethical Boundaries (High)

As an ethics officer I want to define ethical constraints So that agents act responsibly

Acceptance Criteria:

US-006: Violation Tracking (High)

As a compliance officer I want to track policy violations So that I can audit and remediate

Acceptance Criteria:

US-007: Safe Mode (Medium)

As a system operator I want to enter safe mode on critical violations So that system damage is prevented

Acceptance Criteria:

US-008: Monitoring and Metrics (Medium)

As a system administrator I want to monitor governance decisions So that I can track system compliance

Acceptance Criteria:

Functional Requirements

Performance Targets
Operation Target
Policy Query (cached) <5ms (p95)
Policy Query (uncached) <20ms (p95)
Constitutional Check <10ms (p95)
Ethical Check <10ms (p95)
Decision Throughput 10,000+/sec
Cache Hit Rate >90%
Core Interfaces
class IPolicyEngine(Protocol):
    async def query(self, predicate: str, args: List[Any], 
                   context: Optional[QueryContext]) -> PolicyDecision: ...
    async def evaluate(self, action: str, subject: str, 
                      resource: str) -> PolicyDecision: ...
    async def batch_query(self, queries: List[Dict[str, Any]]) -> List[PolicyDecision]: ...

class IConstitutionalEnforcer(Protocol):
    async def check(self, action: str, context: Dict[str, Any]) -> ConstitutionalResult: ...
    async def get_violations(self, session_id: str) -> List[Violation]: ...
    async def enter_safe_mode(self, reason: str) -> None: ...

class IEthicalBoundary(Protocol):
    async def check(self, action: str, context: Dict[str, Any]) -> EthicalResult: ...
    def is_prohibited(self, action_type: str) -> bool: ...

class IDynamicPolicyManager(Protocol):
    async def add_rule(self, rule: PolicyRule) -> str: ...
    async def remove_rule(self, rule_id: str) -> None: ...
    async def update_rule(self, rule_id: str, rule: PolicyRule) -> None: ...
    async def reload(self) -> None: ...

Technical Design

Architecture
┌─────────────────────────────────────────────────────────┐
│              PAM++ - Prolog Governance                   │
├─────────────────────────────────────────────────────────┤
│  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐     │
│  │    Policy   │  │ Constitutional│  │   Ethical   │     │
│  │   Engine    │  │   Enforcer   │  │   Boundary  │     │
│  └──────┬──────┘  └──────┬──────┘  └──────┬──────┘     │
│         │                │                │             │
│  ┌──────┴──────┐  ┌──────┴──────┐  ┌──────┴──────┐     │
│  │   Dynamic   │  │  Violation  │  │    Safe     │     │
│  │   Policy    │  │   Tracker   │  │    Mode     │     │
│  │   Manager   │  │             │  │   Handler   │     │
│  └─────────────┘  └─────────────┘  └─────────────┘     │
├─────────────────────────────────────────────────────────┤
│  Redis (Cache)  │  Neo4j (Audit)  │  SWI-Prolog (Rules) │
└─────────────────────────────────────────────────────────┘
Prolog File Structure
prolog/
├── governance.pl          # Core governance predicates
├── constitutional.pl      # 11 constitutional articles
├── ethics.pl              # Ethical predicates
└── resources.pl           # Resource access rules
Data Structures
class DecisionType(Enum):
    ALLOW = "allow"
    DENY = "deny"
    ESCALATE = "escalate"
    DEFER = "defer"

class ViolationType(Enum):
    CRITICAL = "critical"
    HIGH = "high"
    MEDIUM = "medium"
    LOW = "low"
    WARNING = "warning"

@dataclass
class PolicyDecision:
    decision: DecisionType
    reason: str
    confidence: float
    cache_hit: bool
    latency_ms: float

@dataclass
class Violation:
    violation_id: str
    violation_type: ViolationType
    article: Optional[str]  # Article I-XI
    action: str
    subject: str
    reason: str
    timestamp: datetime

Integration Points

Component Integration
orchestrata-kernel Routing decisions
orchestrata-intent Intent validation
orchestrata-session Session governance
orchestrata-cxp Packet authorization

Success Criteria

  1. Performance: <5ms cached queries, >90% cache hit rate
  2. Compliance: 100% of actions checked against constitution
  3. Availability: 99.9% uptime for governance queries
  4. Audit: Complete audit trail for all decisions
  5. Flexibility: Hot-reload policies without restart

Dependencies

Infrastructure

Service Address Purpose
Redis redis://10.53.2.11:6379 (test fleet; from active env profile) Decision cache
Memgraph KG bolt://10.53.2.10:7687 (test fleet; from active env profile) Audit trail (orchkg database)
Prolog Local SWI-Prolog Governance rules

The KG is auth-less Memgraph — no credentials (the NEO4J_* env keys were retired 2026-07-27).

Revision History

Date Version Author Changes
2026-03-07 1.0 Mohamed Initial specification