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TASKS

Documentation for TASKS from the Dspex repository.

DSPex Implementation Tasks

Overview

This document contains the complete breakdown of implementation tasks for DSPex V2, organized by component with dependencies, time estimates, and clear acceptance criteria.

Task Notation

  • ID: Component.Number (e.g., CORE.1)
  • Status: 🔴 Not Started | 🟡 In Progress | 🟢 Complete
  • Priority: P0 (Critical) | P1 (High) | P2 (Medium) | P3 (Low)
  • Time: Estimated hours
  • Dependencies: Task IDs that must complete first

Role Definitions

  • Architect: System design, API design, integration patterns
  • Core Dev: Core functionality implementation
  • Bridge Dev: Python integration specialist
  • Test Engineer: Testing infrastructure and test writing
  • DevOps: Environment setup, CI/CD, deployment

1. Core Infrastructure Tasks

CORE.1: Project Setup and Configuration

  • Status: 🔴
  • Priority: P0
  • Time: 2 hours
  • Role: DevOps
  • Dependencies: None
  • Acceptance Criteria:
    • Mix project structure validated
    • All config files (dev.exs, test.exs, runtime.exs) properly configured
    • Dependencies added to mix.exs
    • Project compiles without warnings
    • Dialyzer configuration complete

CORE.2: Development Environment Setup

  • Status: 🔴
  • Priority: P0
  • Time: 3 hours
  • Role: DevOps
  • Dependencies: CORE.1
  • Acceptance Criteria:
    • Python 3.8+ environment created
    • DSPy installed in Python environment
    • Snakepit Python scripts directory created
    • Environment variables documented
    • Developer setup guide written

CORE.3: CI/CD Pipeline Setup

  • Status: 🔴
  • Priority: P1
  • Time: 4 hours
  • Role: DevOps
  • Dependencies: CORE.1, CORE.2
  • Acceptance Criteria:
    • GitHub Actions workflow created
    • Mix test stages configured (fast, protocol, integration)
    • Code quality checks automated (format, credo, dialyzer)
    • Test coverage reporting enabled
    • Build artifacts configured

2. Native Implementation Tasks

NATIVE.1: Signature Parser Implementation

  • Status: 🔴
  • Priority: P0
  • Time: 8 hours
  • Role: Core Dev
  • Dependencies: CORE.1
  • Acceptance Criteria:
    • Parse basic signatures (input -> output)
    • Parse typed signatures with type annotations
    • Parse list types (list[str], List[int])
    • Parse optional fields
    • Parse descriptions
    • Comprehensive error messages
    • 100% test coverage

NATIVE.2: Template Engine Integration

  • Status: 🔴
  • Priority: P0
  • Time: 6 hours
  • Role: Core Dev
  • Dependencies: CORE.1
  • Acceptance Criteria:
    • EEx templates compile correctly
    • Variable binding works
    • Nested data access supported
    • Error handling for missing variables
    • Template caching implemented
    • Performance benchmarks pass

NATIVE.3: Validator Framework

  • Status: 🔴
  • Priority: P1
  • Time: 6 hours
  • Role: Core Dev
  • Dependencies: NATIVE.1
  • Acceptance Criteria:
    • Type validation (string, number, list, etc.)
    • Range validation
    • Pattern matching validation
    • Custom validator support
    • Composable validators
    • Clear validation error messages

NATIVE.4: Metrics Collection System

  • Status: 🔴
  • Priority: P2
  • Time: 4 hours
  • Role: Core Dev
  • Dependencies: CORE.1
  • Acceptance Criteria:
    • Latency tracking per operation
    • Success/failure rates
    • Router decision tracking
    • Memory usage tracking
    • Metrics aggregation
    • Export to monitoring systems

3. LLM Adapter Tasks

LLM.1: Adapter Protocol Definition

  • Status: 🔴
  • Priority: P0
  • Time: 3 hours
  • Role: Architect
  • Dependencies: CORE.1
  • Acceptance Criteria:
    • Behaviour/Protocol defined
    • Common interface for all adapters
    • Streaming support interface
    • Error handling patterns
    • Configuration interface
    • Documentation complete

LLM.2: InstructorLite Adapter

  • Status: 🔴
  • Priority: P0
  • Time: 8 hours
  • Role: Core Dev
  • Dependencies: LLM.1
  • Acceptance Criteria:
    • InstructorLite dependency added
    • Adapter implements protocol
    • Structured output parsing works
    • Retry logic implemented
    • Error handling complete
    • Integration tests pass

LLM.3: HTTP Adapter

  • Status: 🔴
  • Priority: P0
  • Time: 6 hours
  • Role: Core Dev
  • Dependencies: LLM.1
  • Acceptance Criteria:
    • Generic HTTP client for LLM APIs
    • Support OpenAI format
    • Support Anthropic format
    • Request/response logging
    • Rate limiting support
    • Connection pooling

LLM.4: Python DSPy Adapter

  • Status: 🔴
  • Priority: P1
  • Time: 8 hours
  • Role: Bridge Dev
  • Dependencies: LLM.1, PYTHON.1
  • Acceptance Criteria:
    • Bridge to Python DSPy LM classes
    • Configuration passthrough
    • Model switching support
    • Caching integration
    • Performance acceptable (<100ms overhead)

LLM.5: Mock Adapter for Testing

  • Status: 🔴
  • Priority: P1
  • Time: 3 hours
  • Role: Test Engineer
  • Dependencies: LLM.1
  • Acceptance Criteria:
    • Deterministic responses
    • Configurable delays
    • Error simulation
    • Response recording
    • Replay capability

4. Python Bridge Tasks

PYTHON.1: Snakepit Integration Layer

  • Status: 🔴
  • Priority: P0
  • Time: 6 hours
  • Role: Bridge Dev
  • Dependencies: CORE.2
  • Acceptance Criteria:
    • Pool configuration working
    • Process lifecycle management
    • Error recovery implemented
    • Performance monitoring
    • Resource limits enforced
    • Graceful shutdown

PYTHON.2: DSPy Module Registry

  • Status: 🔴
  • Priority: P0
  • Time: 4 hours
  • Role: Bridge Dev
  • Dependencies: PYTHON.1
  • Acceptance Criteria:
    • Dynamic module discovery
    • Module capability detection
    • Version compatibility checks
    • Module initialization
    • Hot reload support

PYTHON.3: Serialization Protocol

  • Status: 🔴
  • Priority: P0
  • Time: 6 hours
  • Role: Bridge Dev
  • Dependencies: PYTHON.1
  • Acceptance Criteria:
    • JSON serialization working
    • MessagePack support
    • Large data handling
    • Type preservation
    • Error serialization
    • Performance benchmarks

PYTHON.4: Python Script Templates

  • Status: 🔴
  • Priority: P0
  • Time: 8 hours
  • Role: Bridge Dev
  • Dependencies: PYTHON.1, PYTHON.2
  • Acceptance Criteria:
    • Base script template
    • Module loader script
    • Error handling wrapper
    • Logging integration
    • Performance profiling hooks
    • All DSPy modules accessible

5. Router Implementation Tasks

ROUTER.1: Core Router Logic

  • Status: 🔴
  • Priority: P0
  • Time: 8 hours
  • Role: Architect
  • Dependencies: NATIVE.1, PYTHON.2
  • Acceptance Criteria:
    • Route registration system
    • Capability matching
    • Fallback logic
    • Performance tracking
    • Route caching
    • Thread-safe operations

ROUTER.2: Performance Optimizer

  • Status: 🔴
  • Priority: P2
  • Time: 6 hours
  • Role: Core Dev
  • Dependencies: ROUTER.1, NATIVE.4
  • Acceptance Criteria:
    • Historical performance tracking
    • Adaptive routing based on metrics
    • A/B testing support
    • Manual override capability
    • Performance reports

ROUTER.3: Configuration System

  • Status: 🔴
  • Priority: P1
  • Time: 4 hours
  • Role: Core Dev
  • Dependencies: ROUTER.1
  • Acceptance Criteria:
    • Runtime configuration changes
    • Environment-based config
    • Validation of configurations
    • Default configurations
    • Config hot reload

6. Pipeline Orchestration Tasks

PIPELINE.1: Basic Pipeline Engine

  • Status: 🔴
  • Priority: P0
  • Time: 10 hours
  • Role: Architect
  • Dependencies: ROUTER.1
  • Acceptance Criteria:
    • Sequential execution
    • Error propagation
    • State management
    • Result aggregation
    • Cancellation support
    • Progress tracking

PIPELINE.2: Parallel Execution

  • Status: 🔴
  • Priority: P1
  • Time: 8 hours
  • Role: Core Dev
  • Dependencies: PIPELINE.1
  • Acceptance Criteria:
    • Task-based parallelism
    • Resource pooling
    • Synchronization primitives
    • Deadlock prevention
    • Performance scaling
    • Error isolation

PIPELINE.3: Conditional Logic

  • Status: 🔴
  • Priority: P1
  • Time: 6 hours
  • Role: Core Dev
  • Dependencies: PIPELINE.1
  • Acceptance Criteria:
    • If/then/else branches
    • Switch statements
    • Loop constructs
    • Early exit conditions
    • State-based conditions
    • Dynamic routing

PIPELINE.4: Pipeline Persistence

  • Status: 🔴
  • Priority: P2
  • Time: 8 hours
  • Role: Core Dev
  • Dependencies: PIPELINE.1
  • Acceptance Criteria:
    • Save pipeline state
    • Resume from checkpoint
    • Versioning support
    • Migration tools
    • Audit logging

7. Testing Infrastructure Tasks

TEST.1: Test Framework Setup

  • Status: 🔴
  • Priority: P0
  • Time: 4 hours
  • Role: Test Engineer
  • Dependencies: CORE.1
  • Acceptance Criteria:
    • ExUnit configuration
    • Test helpers created
    • Fixture management
    • Mock framework setup
    • Property testing setup
    • Coverage tools configured

TEST.2: Layer 1 Mock Tests

  • Status: 🔴
  • Priority: P0
  • Time: 12 hours
  • Role: Test Engineer
  • Dependencies: TEST.1, All NATIVE.* tasks
  • Acceptance Criteria:
    • Mock adapter tests
    • Unit test coverage >90%
    • Fast execution (<70ms average)
    • Deterministic results
    • Clear test names
    • Good error messages

TEST.3: Layer 2 Protocol Tests

  • Status: 🔴
  • Priority: P1
  • Time: 10 hours
  • Role: Test Engineer
  • Dependencies: TEST.1, PYTHON.3
  • Acceptance Criteria:
    • Serialization round-trip tests
    • Protocol compliance tests
    • Error handling tests
    • Performance benchmarks
    • Edge case coverage

TEST.4: Layer 3 Integration Tests

  • Status: 🔴
  • Priority: P1
  • Time: 16 hours
  • Role: Test Engineer
  • Dependencies: TEST.1, All components
  • Acceptance Criteria:
    • End-to-end scenarios
    • Real Python integration
    • Performance validation
    • Resource leak detection
    • Stress testing
    • Failure recovery testing

TEST.5: Performance Benchmarks

  • Status: 🔴
  • Priority: P2
  • Time: 6 hours
  • Role: Test Engineer
  • Dependencies: TEST.4
  • Acceptance Criteria:
    • Baseline measurements
    • Regression detection
    • Memory profiling
    • Latency histograms
    • Throughput testing
    • Comparison with Python DSPy

8. Documentation Tasks

DOC.1: API Documentation

  • Status: 🔴
  • Priority: P1
  • Time: 8 hours
  • Role: Core Dev
  • Dependencies: All implementation tasks
  • Acceptance Criteria:
    • ExDoc configuration
    • Module documentation
    • Function documentation
    • Type specifications
    • Usage examples
    • Generated docs site

DOC.2: Integration Guide

  • Status: 🔴
  • Priority: P1
  • Time: 6 hours
  • Role: Architect
  • Dependencies: PIPELINE.1, LLM.2
  • Acceptance Criteria:
    • Getting started guide
    • Configuration guide
    • LLM adapter guide
    • Python integration guide
    • Troubleshooting guide
    • Migration guide

DOC.3: Example Applications

  • Status: 🔴
  • Priority: P2
  • Time: 10 hours
  • Role: Core Dev
  • Dependencies: All implementation tasks
  • Acceptance Criteria:
    • Simple RAG example
    • Multi-step reasoning example
    • Parallel search example
    • Custom validator example
    • Performance optimization example
    • All examples have tests

Critical Path

The critical path for MVP delivery:

  1. Week 1: Foundation

    • CORE.1 → CORE.2 → PYTHON.1 → PYTHON.2
    • NATIVE.1 (parallel)
    • LLM.1 → LLM.2 (parallel)

  2. Week 2: Core Features

    • ROUTER.1
    • PIPELINE.1
    • PYTHON.3 → PYTHON.4
    • TEST.1 → TEST.2 (ongoing)

  3. Week 3: Integration

    • Complete all P0 tasks
    • TEST.3 → TEST.4
    • Fix integration issues

  4. Week 4: Polish

    • P1 tasks
    • DOC.1 → DOC.2
    • Performance optimization
    • Final testing

Daily Milestones

Days 1-5: Foundation Sprint

  • Day 1: CORE.1, CORE.2 complete
  • Day 2: NATIVE.1 complete, PYTHON.1 started
  • Day 3: LLM.1, LLM.2 started
  • Day 4: PYTHON.1, PYTHON.2 complete
  • Day 5: TEST.1 complete, first tests running

Days 6-10: Core Implementation

  • Day 6: ROUTER.1 started
  • Day 7: PIPELINE.1 started
  • Day 8: NATIVE.2, NATIVE.3 complete
  • Day 9: LLM.2 complete, integration tested
  • Day 10: PYTHON.3, PYTHON.4 complete

Days 11-15: Integration Sprint

  • Day 11: ROUTER.1 complete
  • Day 12: PIPELINE.1 complete
  • Day 13: First end-to-end test passing
  • Day 14: TEST.3 complete
  • Day 15: All P0 tasks complete

Days 16-20: Enhancement Sprint

  • Day 16: PIPELINE.2 (parallel execution)
  • Day 17: PIPELINE.3 (conditionals)
  • Day 18: LLM.3 (HTTP adapter)
  • Day 19: ROUTER.2 (optimizer)
  • Day 20: TEST.4 complete

Days 21-25: Quality Sprint

  • Day 21: Performance benchmarks
  • Day 22: DOC.1 (API docs)
  • Day 23: DOC.2 (guides)
  • Day 24: DOC.3 (examples)
  • Day 25: Bug fixes, optimization

Days 26-30: Release Sprint

  • Day 26: Final integration testing
  • Day 27: Performance validation
  • Day 28: Documentation review
  • Day 29: Release preparation
  • Day 30: Launch readiness

Weekly Goals

Week 1: Foundation (40 hours)

  • Project setup complete
  • Core native modules working
  • Python bridge operational
  • Basic testing infrastructure

Week 2: Integration (45 hours)

  • Router making decisions
  • Pipeline executing tasks
  • Native/Python interop working
  • Integration tests passing

Week 3: Features (40 hours)

  • All P0 features complete
  • Advanced pipeline features
  • Multiple LLM adapters
  • Performance acceptable

Week 4: Polish (35 hours)

  • Documentation complete
  • Examples working
  • Performance optimized
  • Production ready

Risk Mitigation

High-Risk Tasks

  1. PYTHON.1 (Snakepit Integration): Critical dependency

    • Mitigation: Early spike, have fallback plan

  2. ROUTER.1 (Core Router): Complex logic

    • Mitigation: Extensive testing, simple first version

  3. PIPELINE.1 (Pipeline Engine): Core functionality

    • Mitigation: Start simple, iterate

Dependencies to Watch

  • Python environment setup
  • DSPy version compatibility
  • InstructorLite integration
  • Performance requirements

Success Metrics

Sprint Velocity

  • Target: 8 hours/day productive coding
  • Measure: Tasks completed vs estimated

Quality Metrics

  • Test coverage: >90% for core modules
  • Dialyzer: Zero warnings
  • Credo: Zero issues
  • Documentation: 100% public API documented

Performance Targets

  • Native operations: <10ms
  • Python bridge overhead: <50ms
  • Pipeline overhead: <5ms per step
  • Memory usage: <100MB base

Notes

  • All time estimates include testing and documentation
  • P0 tasks block release
  • P1 tasks should be complete for good UX
  • P2 tasks can be deferred to v2.1
  • Daily standups recommended even for solo dev
  • Use task IDs in commit messages for tracking