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BEACON CONTRACT IMPL SUMMARY

Documentation for BEACON_CONTRACT_IMPL_SUMMARY from the Ds ex repository.

DSPEx-SIMBA Contract Implementation Summary

Status: Ready for Implementation
Priority: Critical Blocker for SIMBA Integration
Estimated Time: 2-3 days focused implementation

Problem Identified

The test modifications in your git diff revealed a fundamental issue: tests were expecting API contracts that don’t exist in the DSPEx implementation. The agent updated tests to expect certain APIs (like Program.safe_program_info/1, Program.has_demos?/1, enhanced forward/3, etc.) but never implemented these APIs in the library code.

Root Cause: No formal API contract was defined between DSPEx and SIMBA, leading to assumptions about interfaces that don’t exist.

Solution Delivered

I’ve provided a comprehensive set of technical artifacts to address this:

1. API Contract Specification

Formal specification defining exactly what SIMBA needs from DSPEx, including:

  • Program execution contracts (forward/2, forward/3)
  • Program introspection contracts (program_type/1, safe_program_info/1, has_demos?/1)
  • Client interface stability contracts
  • Configuration management contracts
  • OptimizedProgram enhancement contracts
  • Foundation services integration contracts

2. Implementation Roadmap

Detailed 3-day implementation plan with:

  • Phase-by-phase implementation strategy
  • Specific code changes required
  • Risk assessment and mitigation
  • Success criteria for each phase

3. Code Patches

Ready-to-apply code modifications for:

  • lib/dspex/program.ex - Add missing introspection functions and enhanced forward/3
  • lib/dspex/optimized_program.ex - SIMBA metadata support and native capability detection
  • lib/dspex/services/config_manager.ex - SIMBA configuration paths and service conflict resolution
  • lib/dspex/client.ex - Response format stabilization and error categorization
  • lib/dspex/teleprompter/bootstrap_fewshot.ex - Empty demo handling fixes
  • lib/dspex/services/telemetry_setup.ex - SIMBA telemetry event support

4. Contract Validation Tests

Comprehensive test suite including:

  • test/integration/simba_contract_validation_test.exs - Validates all SIMBA contract requirements
  • test/integration/simba_integration_smoke_test.exs - End-to-end SIMBA workflow validation
  • test/unit/program_contract_compliance_test.exs - Unit tests for individual contract compliance

Critical Implementation Requirements

🔴 CRITICAL BLOCKERS (Must implement before SIMBA)

  1. Program.forward/3 with options support (timeout, correlation_id)
  2. Program introspection functions (program_type/1, safe_program_info/1, has_demos?/1)
  3. Client response format stabilization for instruction generation
  4. OptimizedProgram metadata support for SIMBA optimization data
  5. ConfigManager.get_with_default/2 for SIMBA configuration paths

🟡 HIGH PRIORITY (Implement during SIMBA integration)

  1. Telemetry correlation for optimization tracking
  2. Error categorization for predictable recovery
  3. Concurrent safety validation under load
  4. Foundation integration service lifecycle management

Expected Implementation Timeline

Day 1: Core Program Contract

  • ✅ Implement Program.forward/3 with timeout and correlation_id
  • ✅ Add Program.program_type/1, safe_program_info/1, has_demos?/1
  • ✅ Create basic contract validation tests
  • ✅ Stabilize Client response format

Day 2: Service Integration

  • ✅ Enhance ConfigManager for SIMBA configuration paths
  • ✅ Resolve service lifecycle conflicts with Foundation
  • ✅ Add SIMBA telemetry event support
  • ✅ Validate OptimizedProgram metadata handling

Day 3: Completion and Validation

  • ✅ Fix BootstrapFewShot empty demo handling
  • ✅ Complete comprehensive contract test suite
  • ✅ Run SIMBA integration smoke test
  • ✅ Establish performance baselines

Implementation Strategy

Step 1: Apply Code Patches

Use the provided code patches to implement the missing contract APIs:

# Apply patches to lib files
# Implement Program contract functions
# Enhance OptimizedProgram metadata support  
# Fix ConfigManager SIMBA paths
# Stabilize Client response format
# Fix Teleprompter empty demo handling

Step 2: Add Contract Validation Tests

# Add contract validation test files
cp contract_validation_tests.exs test/integration/simba_contract_validation_test.exs
cp contract_validation_tests.exs test/integration/simba_integration_smoke_test.exs  
cp contract_validation_tests.exs test/unit/program_contract_compliance_test.exs

Step 3: Validate Implementation

# Run contract tests
mix test test/integration/simba_contract_validation_test.exs
mix test test/integration/simba_integration_smoke_test.exs
mix test test/unit/program_contract_compliance_test.exs

# Ensure no regressions
mix test
mix dialyzer

Success Criteria

Contract Implementation Complete When:

  • ✅ All contract validation tests pass
  • ✅ SIMBA integration smoke test passes
  • ✅ No regressions in existing functionality
  • ✅ Service integration conflicts resolved
  • ✅ Performance baselines maintained

Ready for SIMBA Integration When:

  • ✅ All critical blocker APIs implemented
  • ✅ Error recovery patterns validated
  • ✅ Concurrent execution safety confirmed
  • ✅ Foundation services integrate cleanly
  • ✅ Comprehensive test coverage achieved

Post-Implementation Benefits

  1. Formal API Contract: Clear specification of what SIMBA expects from DSPEx
  2. Stable Integration Surface: Well-defined APIs that won’t change unexpectedly
  3. Comprehensive Testing: Full validation of all integration points
  4. Error Recovery: Predictable error handling patterns
  5. Performance Baseline: Known performance characteristics for optimization
  6. Documentation: Clear understanding of system capabilities and limitations

Risk Mitigation

High-Risk Areas Addressed:

  • Program.forward/3 - Incremental implementation with backward compatibility
  • Foundation Integration - Conflict resolution for already-started services
  • Concurrent Safety - Explicit testing under load conditions