12 KiB
Web Research Integration: ReAct Pattern
Research Source
URL: https://www.promptingguide.ai/techniques/react Topic: ReAct (Reasoning and Acting) pattern for multi-agent systems Date Researched: 2025-10-10
Key Concepts Extracted
1. Interleaved Reasoning and Acting
From Source:
ReAct generates "reasoning traces" and "task-specific actions" in an interconnected manner, allowing LLMs to "induce, track, and update action plans" while enabling interaction with external information sources.
Applied In This Variant:
- Every quality evaluation begins with explicit reasoning (THOUGHT phase)
- Actions (evaluations, rankings) are informed by prior reasoning
- Observations from actions feed back into next reasoning cycle
- Quality assessment and iteration generation are interleaved, not sequential
Evidence in Implementation:
.claude/commands/infinite-quality.md: Structured THOUGHT → ACTION → OBSERVATION phases.claude/commands/evaluate.md: "THOUGHT Phase: Reasoning About Evaluation" before scoring.claude/commands/rank.md: "THOUGHT Phase: Reasoning About Ranking" before analysis- All commands document reasoning before executing actions
2. Thought-Action-Observation Loop
From Source:
The core loop cycles: Thought (generates reasoning strategy) → Action (interfaces with tools) → Observation (captures results) → [repeat]
Applied In This Variant:
THOUGHT Phase:
- Analyze specification quality criteria
- Reason about evaluation strategy
- Plan quality-driven creative directions
- Consider what constitutes quality in this context
ACTION Phase:
- Execute evaluations using defined criteria
- Generate iterations with quality targets
- Score across multiple dimensions
- Rank and segment iterations
OBSERVATION Phase:
- Analyze evaluation results
- Identify quality patterns and trade-offs
- Extract actionable insights
- Inform next wave strategy
Evidence in Implementation:
README.md: Complete workflow section documenting T-A-O cyclesCLAUDE.md: "ReAct Pattern Integration" section with cycle detailsevaluators/: Each evaluator has THOUGHT, ACTION, OBSERVATION phases- Infinite mode: Each wave uses observations from previous wave to inform next reasoning
3. Reducing Hallucination Through External Grounding
From Source:
ReAct reduces fact hallucination by grounding in external information and supports switching between reasoning approaches.
Applied In This Variant:
- Evaluations grounded in concrete evidence from code
- Every score requires specific examples (lines of code, features, patterns)
- Quality standards externalized in
specs/quality_standards.md - Evaluation criteria in separate
evaluators/files (external knowledge) - Reasoning must cite specific evidence, not make unsupported claims
Evidence in Implementation:
evaluators/technical_quality.md: "Evidence to look for" sections with concrete examplesevaluators/creativity_score.md: Requires specific creative elements as evidenceevaluators/spec_compliance.md: Checklist-based approach with binary evidence- All evaluation outputs include "evidence" field with specific line numbers and examples
4. Adaptive and Contextual Problem-Solving
From Source:
Creates a "synergy between 'acting' and 'reasoning'" that allows more adaptive and contextually informed problem-solving.
Applied In This Variant:
- Quality evaluation adapts based on spec context
- Infinite mode strategy evolves based on observations
- Evaluation criteria can be customized (scoring weights)
- System learns what quality means from top performers
Evidence in Implementation:
config/scoring_weights.json: Configurable weights for different contexts- Alternative profiles (technical-focus, creative-focus, etc.) adapt to needs
- Infinite mode adapts strategy based on wave observations
- Quality reports include "Recommendations for Next Wave" informed by current results
5. Few-Shot Exemplars and Reasoning Trajectories
From Source:
Use few-shot exemplars demonstrating reasoning trajectories and design flexible prompts adaptable to different task types.
Applied In This Variant:
specs/example_spec.md: Provides example quality criteria and success patternstemplates/quality_report.md: Template showing reasoning structureevaluators/: Each includes calibration examples showing reasoning → scoreREADME.md: Multiple scoring examples with reasoning demonstrated
Evidence in Implementation:
- Calibration examples in each evaluator showing reasoning process
- Report template shows how to reason about patterns
- Example spec demonstrates how to think about quality
- Documentation includes "Success Examples" and "Example Use Cases"
ReAct Pattern Implementation Summary
Core Pattern: THOUGHT → ACTION → OBSERVATION
This variant embeds ReAct at three levels:
1. Command Level (.claude/commands/*.md):
- Each command has explicit THOUGHT, ACTION, OBSERVATION phases
- Reasoning precedes execution
- Results inform next actions
2. Wave Level (Infinite mode):
- Wave N observations inform Wave N+1 thoughts
- Strategy adapts based on quality trends
- Continuous improvement through feedback loops
3. Evaluation Level (Individual assessments):
- Pre-evaluation reasoning about criteria
- Systematic application of standards
- Post-evaluation analysis and reflection
Synergy Between Reasoning and Acting
Traditional Approach (Without ReAct):
Generate iterations → Evaluate → Report
(Linear, no reasoning, no adaptation)
ReAct-Enhanced Approach (This Variant):
THOUGHT: Reason about quality goals and strategy
↓
ACTION: Generate with quality targets
↓
OBSERVATION: Evaluate and analyze patterns
↓
THOUGHT: Learn from observations, adapt strategy
↓
ACTION: Generate next wave with refinements
↓
[Continuous loop...]
Specific Implementations Inspired by ReAct
1. Explicit Reasoning Documentation
ReAct Principle: Make reasoning visible and trackable
Implementation:
- All evaluations include "reasoning" field
- Quality reports have "Strategic Insights" section with reasoning
- Rankings explain why certain iterations rank higher
- Every score is justified with evidence
Files:
- All command files in
.claude/commands/ - All evaluator files in
evaluators/ - Template in
templates/quality_report.md
2. Iterative Strategy Refinement
ReAct Principle: Update action plans based on observations
Implementation:
- Infinite mode uses wave observations to plan next wave
- Quality gaps identified in rankings inform creative directions
- Success factors from top performers guide strategy
- Recommendations section provides actionable next steps
Files:
.claude/commands/infinite-quality.md: Phase 4 "Reasoning About Results".claude/commands/rank.md: "Recommendations for Next Wave" section.claude/commands/quality-report.md: "Strategic Recommendations" phase
3. Multi-Path Reasoning
ReAct Principle: Support switching between reasoning approaches
Implementation:
- Three parallel evaluation dimensions (technical, creative, compliance)
- Each dimension has different reasoning approach
- Trade-off analysis recognizes competing quality criteria
- Alternative scoring profiles for different contexts
Files:
evaluators/technical_quality.md: Evidence-based technical reasoningevaluators/creativity_score.md: Aesthetic and innovation reasoningevaluators/spec_compliance.md: Checklist-based compliance reasoningconfig/scoring_weights.json: Multiple reasoning profiles
4. External Knowledge Grounding
ReAct Principle: Ground reasoning in external information
Implementation:
- Evaluation criteria externalized in separate files
- Quality standards documented and referenceable
- Specific code examples required for all scores
- Spec compliance checked against external specification
Files:
specs/quality_standards.md: External quality knowledge baseevaluators/*.md: Formalized evaluation knowledge- All evaluations require evidence from actual iteration code
5. Observable Feedback Loops
ReAct Principle: Observation captures results to inform reasoning
Implementation:
- Every evaluation produces structured observations (JSON)
- Rankings aggregate observations across iterations
- Quality reports synthesize observations into insights
- Insights feed back into next wave planning
Files:
- Output structure:
quality_reports/evaluations/*.json - Output structure:
quality_reports/rankings/*.md - Output structure:
quality_reports/reports/*.md
Comparison: Before vs After ReAct Integration
Without ReAct (Hypothetical Basic Variant)
1. Generate 10 iterations
2. Score each iteration (no reasoning shown)
3. Rank by score
4. Report: "Top iteration: X with score Y"
Problems:
- No reasoning transparency
- No adaptation between iterations
- No learning from results
- Opaque scoring process
With ReAct (This Variant)
1. THOUGHT: Analyze spec, reason about quality criteria
2. ACTION: Generate iterations with quality targets
3. OBSERVATION: Evaluate with documented reasoning
- Technical reasoning: "Code is clean because..."
- Creative reasoning: "This is original because..."
- Compliance reasoning: "Requirements met: ✓ X, ✓ Y, ✗ Z"
4. THOUGHT: Analyze patterns in results
- "Top iterations succeed because of pattern P"
- "Low scores caused by factor F"
5. ACTION: Generate next wave incorporating lessons
6. [Loop continues with adaptive improvement]
Benefits:
- Complete reasoning transparency
- Adaptive strategy improvement
- Learning from observations
- Evidence-based scoring
Key Innovation: ReAct for Quality Assessment
The primary innovation of this variant is applying ReAct to quality evaluation, not just generation:
Traditional AI Evaluation:
- "This iteration scores 75/100"
- No reasoning shown
- Opaque process
ReAct-Enhanced Evaluation:
THOUGHT: What makes code quality excellent?
- Clean structure, good comments, DRY principle...
ACTION: Examine iteration code
- Line 45-67: Excellent validation with clear errors [Evidence]
- Line 120-135: Some code duplication [Evidence]
OBSERVATION: Score 20/25 on code quality
Reasoning: Strong fundamentals with minor DRY violations
Evidence: Specific line examples provided above
Impact on Strategy: Extract validation pattern from this iteration,
apply to future iterations while addressing duplication
This makes quality assessment:
- Transparent: Reasoning is documented
- Fair: Consistent criteria applied
- Actionable: Insights drive improvement
- Adaptive: Learns and evolves
Validation: Does This Implementation Follow ReAct?
Checklist from Source:
✅ Interleaved reasoning and acting: Yes - THOUGHT and ACTION phases alternate ✅ Thought-Action-Observation loop: Yes - All commands follow this structure ✅ Induces and updates action plans: Yes - Strategy adapts based on observations ✅ Grounds in external information: Yes - Evaluations cite specific evidence ✅ Reduces hallucination: Yes - Every claim requires concrete evidence ✅ Supports switching reasoning approaches: Yes - Multiple evaluation dimensions ✅ Few-shot exemplars: Yes - Examples and calibration throughout ✅ Improves interpretability: Yes - All reasoning documented
Conclusion: This variant successfully implements the ReAct pattern for quality evaluation and continuous improvement.
Learning Applied vs Learning Demonstrated
What We Learned from URL:
- ReAct interleaves reasoning and acting
- T-A-O loop structure
- External grounding reduces hallucination
- Adaptive, contextual problem-solving
- Few-shot reasoning trajectories
How We Applied It:
- ✅ Every command has THOUGHT-ACTION-OBSERVATION phases
- ✅ Infinite mode implements continuous T-A-O loops across waves
- ✅ All evaluations require specific code evidence, no unsupported claims
- ✅ Strategy adapts based on wave observations, scoring configurable by context
- ✅ Examples and calibration throughout documentation
Evidence of Application:
- Structure of all command files
- Evaluator reasoning requirements
- Infinite mode adaptive strategy
- Quality report insights feeding next wave
- Evidence-based scoring throughout
Conclusion: This variant successfully integrates ReAct pattern principles to create a quality evaluation system that reasons explicitly, acts systematically, observes carefully, and adapts continuously. The web research directly informed the architecture and implementation of all major components.