personamanagmentlayer__pcl/docs/FEATURES.md

# PCL Features

**Complete feature overview for PCL (Persona Control Language)**

---

## Core Language (Phase 1) ✅

### Parsing & Analysis

- ✅ Parse PCL files to AST
- ✅ Type checking and semantic analysis
- ✅ Expression evaluator
- ✅ Error recovery and helpful diagnostics

### Runtime System

- ✅ Persona activation and management
- ✅ Team composition
- ✅ Workflow orchestration
- ✅ State management
- ✅ Snapshot and restore

### AI Provider Support

- ✅ **8 LLM providers** supported:
  - Mock (testing)
  - Anthropic (Claude 3.5 Sonnet, Opus, Haiku)
  - OpenAI (GPT-4, GPT-3.5)
  - Google Gemini (1.5 Pro, Flash, 1.0 Pro)
  - DeepSeek (Chat, Coder)
  - Ollama (local models)
  - Azure OpenAI
  - AWS Bedrock

### Enterprise Provider Features

- ✅ Automatic health monitoring with circuit breakers
- ✅ Fallback chains with 3 strategies (sequential, health-based, fastest)
- ✅ Rate limiting with token bucket algorithm
- ✅ Cost tracking with pre-configured pricing
- ✅ Support for local LLMs (Ollama) with zero cost

### Registry System

- ✅ 4 backend options:
  - Memory (fast, in-memory)
  - JSON File (portable, git-friendly)
  - SQLite (production-ready)
  - PostgreSQL (enterprise-scale)
- ✅ Full-text search with filters
- ✅ Version management with SemVer
- ✅ Cache systems (Redis, Memory, Multi-layer)
- ✅ CLI with 7 registry commands

---

## IDE Support (Phase 2.1) ✅

### Language Server Protocol (LSP)

- ✅ Full LSP implementation
- ✅ Real-time diagnostics and error detection
- ✅ IntelliSense auto-completion (26 keywords, 13 snippets)
- ✅ Hover documentation (30+ properties)
- ✅ Go to definition (Ctrl+Click)
- ✅ Find all references
- ✅ Document outline/symbols
- ✅ Auto-formatting
- ✅ Code actions and quick fixes
- ✅ Symbol renaming

### VSCode Extension

- ✅ Syntax highlighting
- ✅ Code snippets
- ✅ Error squiggles
- ✅ IntelliSense integration

---

## Skills Ecosystem (Phase 2.2) ✅

### Compatibility

- ✅ **100% compatible** with [Agent Skills](https://agentskills.io) specification
- ✅ **95% compatible** with [Claude Code](https://code.claude.com/docs/en/skills) SKILL.md format

### Features

- ✅ Import skills from agentskills.io and Claude Code
- ✅ Bidirectional skill conversion (PCL ↔ SKILL.md)
- ✅ Skill loader for YAML frontmatter + Markdown
- ✅ Progressive disclosure pattern
- ✅ Multi-file skills support
- ✅ Skill dependency resolution
- ✅ Skill composition patterns

---

## Model Context Protocol (Phase 3.3) ✅

### MCP Integration

- ✅ **Full MCP implementation** - Expose personas as standardized AI services
- ✅ **Claude Code integration** - Zero-config persona discovery
- ✅ **5 built-in tools**:
  - persona/execute
  - persona/list
  - persona/info
  - team/execute
  - workflow/execute

### Transport Layers

- ✅ **Stdio transport** - CLI tool compatibility
- ✅ **HTTP/SSE transport** - Web application support

### Resource Access

- ✅ `persona://` - Persona definitions
- ✅ `team://` - Team configurations
- ✅ `workflow://` - Workflow definitions

### Type Safety

- ✅ Complete JSON-RPC 2.0 + MCP types
- ✅ Production-ready error handling
- ✅ Graceful shutdown

---

## Observability (Phase 3.4) ✅

### Metrics

- ✅ Counter, gauge, histogram metrics
- ✅ OpenTelemetry integration
- ✅ Prometheus exporter
- ✅ Custom metric collection

### SLO Tracking

- ✅ Error budget calculation
- ✅ Burn rate monitoring
- ✅ SLO violation alerts
- ✅ Historical tracking

### Tracing

- ✅ Distributed tracing
- ✅ Span management
- ✅ Context propagation
- ✅ Performance profiling

### Health Checks

- ✅ Liveness probes
- ✅ Readiness probes
- ✅ Dependency health
- ✅ Circuit breaker status

### Logging

- ✅ Structured logging
- ✅ Log levels (debug, info, warn, error)
- ✅ Semantic conventions (OpenTelemetry)
- ✅ Context enrichment

---

## CLI Tools ✅

### Core Commands

```bash
pcl parse <file>     # Parse PCL → AST
pcl check <file>     # Type check PCL file
pcl repl             # Interactive REPL
pcl gen <file>       # Code generation
```

### Registry Commands

```bash
pcl registry init                # Initialize registry
pcl registry create <file>       # Add persona
pcl registry search <query>      # Search personas
pcl registry list                # List all personas
pcl registry info <id|slug>      # View details
pcl registry publish <id|slug>   # Publish persona
pcl registry delete <id|slug>    # Delete persona
```

### Skills Commands

```bash
pcl skills create    # Create new skill
pcl skills lint      # Validate skill format
pcl skills test      # Test skill execution
```

### Build Commands

```bash
pcl build <file> --target prompt      # Generate system prompt
pcl build <file> --target typescript  # Transpile to TypeScript
pcl build <file> --target json        # Generate JSON schema
```

### Shell Completions

- ✅ Bash
- ✅ Zsh
- ✅ Fish
- ✅ PowerShell

---

## Code Generation ✅

### Supported Targets

- ✅ **System Prompts** - AI chat interfaces
- ✅ **TypeScript** - Type-safe execution
- ✅ **Python** - Python integration
- ✅ **JSON** - Configuration export
- ✅ **Markdown** - Documentation
- ✅ **11 languages total**:
  - TypeScript, Python, Go, Rust
  - Java, C#, JavaScript, Ruby
  - PHP, Shell, YAML

### Multi-Target Generation

- ✅ Generate multiple targets simultaneously
- ✅ Target-specific optimizations
- ✅ Consistent behavior across targets

---

## Type System

### Primitive Types

- String, Int, Float, Bool, Void, Never

### Collection Types

- Array<T>, Map<K, V>, Set<T>, Tuple<...T>

### Result Types (Rust-inspired)

- Option<T>, Result<T, E>

### PCL-Specific Types

- Persona, Team, Workflow<I, O>, Skill, Constraint

### Advanced Types

- Union types: `T1 | T2`
- Intersection types: `T1 & T2`
- Generics with constraints: `T: Serializable`
- Literal types: `"hello"`, `42`, `true`

---

## Merge Strategies

### Primary

- Lead persona decides, others advise

### Consensus

- Synthesize all perspectives

### Majority

- Weighted voting

### Debate

- Visible deliberation

### Compare

- Side-by-side comparison

### Chain

- Sequential transformation

---

## Testing Infrastructure ✅

### Test Suite

- **5,720 total tests** (96.3% pass rate)
- **153 test files** covering all major modules
- **50.66%+ code coverage** (targeting 90%)

### Module Coverage

- ✅ LSP: 1,055 tests
- ✅ Observability: 600+ tests
- ✅ MCP: 427 tests
- ✅ Registry: 470+ tests
- ✅ AI Providers: 427 tests
- ✅ CLI: 527 tests
- ✅ Code Generation: 120+ tests
- ✅ Parser & Compiler: 241+ tests
- ✅ E2E Integration: 64 tests

### Testing Tools

- ✅ Vitest with V8 coverage
- ✅ Parallel test execution
- ✅ Coverage reporting (HTML, LCOV, JSON)
- ✅ Codecov integration
- ✅ CI/CD automation

---

## Standards Compliance ✅

### Security Standards

- ✅ **ISO/IEC 27001** - Information Security Management
- ✅ **ISO/IEC 27002** - Security Controls
- ✅ **OWASP LLM Top 10** - All 10 threats mitigated
- ✅ **NIST SP 800-207** - Zero Trust Architecture

### AI Governance Standards

- ✅ **ISO/IEC 42001** - AI Management System
- ✅ **ISO/IEC 23894** - AI Risk Management
- ✅ **EU AI Act** - High-Risk AI Regulation
- ✅ **IEEE 7000 series** - Ethical AI

### Interoperability Standards

- ✅ **RFC 2119** - Requirement Levels
- ✅ **JSON Schema** - Data Validation
- ✅ **ISO 38500** - IT Governance

---

## Roadmap

### ✅ v1.0 — Core (Q2 2025) - COMPLETE

- EBNF Grammar specification
- Lexer implementation
- Parser implementation
- Type checker
- Runtime engine
- CLI tool

### ✅ v2.0 — Ecosystem (Q4 2025) - IN PROGRESS

- Package manager (pclpkg)
- Language Server Protocol
- VS Code extension
- Build system

### 🔄 v3.0 — Scale (Q2 2026) - IN PROGRESS

- Multi-provider support ✅
- MCP integration ✅
- Distributed execution
- Enterprise security

### 📅 v4.0 — Maturity (Q4 2026)

- AI-native features
- Visual programming
- Marketplace
- ISO standardization

---

## Production Readiness

**Current Status:** 🟡 APPROACHING PRODUCTION READY

- **Production Score:** 78/100 (+33 from Jan 2023)
- **Timeline to Production:** 4-8 weeks
- **Safe for:** Development, prototyping, internal tools, beta testing

**Production-Ready Modules:**

- ✅ LSP (Language Server)
- ✅ Observability
- ✅ AI Providers
- ✅ Registry
- ✅ CLI Tools

See [PRODUCTION-READINESS.md](PRODUCTION-READINESS.md) for detailed status.

---

## Learn More

- **[Getting Started](guides/GETTING-STARTED-CURRENT.md)** - Start here
- **[Core Concepts](CORE_CONCEPTS.md)** - Understand the fundamentals
- **[Type System](TYPE_SYSTEM.md)** - Type safety in PCL
- **[Commands Reference](COMMANDS.md)** - CLI command guide
- **[Provider Guide](PROVIDERS.md)** - AI provider integration
- **[Skills Guide](SKILLS_INTEGRATION_GUIDE.md)** - Build and use skills
- **[MCP Integration](MCP_INTEGRATION_GUIDE.md)** - Expose personas as services
- **[Testing Guide](testing/TESTING_STATUS.md)** - Test infrastructure

---

**Last Updated:** 2026-02-02
**Version:** 26.2.2