Commit Graph

4 Commits

Author SHA1 Message Date
hailin d9b4c72894 feat(agent): implement 3-layer architecture for better response quality
Implement a three-layer architecture to improve AI response quality:

Layer 1 - Intent Classifier (intent-classifier.ts):
- Classifies user intent into 6 types: SIMPLE_QUERY, DEEP_CONSULTATION,
  ACTION_NEEDED, CHAT, CLARIFICATION, CONFIRMATION
- Determines suggested response length based on intent type
- Detects follow-up questions and extracts entities (visa types, etc.)
- Uses keyword matching for fast classification (no API calls)

Layer 2 - ReAct Agent (system-prompt.ts):
- Adds ReAct thinking framework to system prompt
- 4-step process: Understand -> Evaluate -> Act -> Generate
- Emphasizes concise responses, avoids redundant phrases
- Injects intent classification results to guide response strategy

Layer 3 - Response Gate (response-gate.ts):
- Quality checks: length, relevance, redundancy, completeness, tone
- Logs gate results for analysis and future optimization
- Can trim responses and remove redundant expressions

Integration (claude-agent.service.ts):
- Integrates all 3 layers in sendMessage flow
- Dynamically adjusts max_tokens based on intent type
- Collects full response for gate analysis

Documentation:
- Added AGENT_THREE_LAYER_ARCHITECTURE.md with detailed design docs

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-23 07:51:19 -08:00
hailin 36ce824db8 docs: add comprehensive agent tools documentation
Document all 10 tools available to the immigration consulting agent:
- 6 knowledge & memory tools (search, off-topic check, assessment, payment, memory, context)
- 4 real-time tools (datetime, web search, exchange rate, news)

Includes input parameters, return formats, implementation details, and configuration.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-23 00:49:10 -08:00
hailin 911132ab3e feat(agent): upgrade to Level 3 with real RAG, Memory and Evolution integration
## Summary
Upgrade iConsulting from Level 2 (48 points) to Level 3 (68 points) by
implementing real service-to-service integration between conversation-service
and knowledge-service.

## New Files
- knowledge-client.service.ts: HTTP client for knowledge-service APIs
- knowledge.module.ts: NestJS module for KnowledgeClientService
- AGENT_EVALUATION_REPORT.md: Agent capability evaluation report
- LEVEL3_UPGRADE_PLAN.md: Upgrade plan and completion report

## Changes

### RAG Integration
- search_knowledge tool now calls /api/v1/knowledge/retrieve
- check_off_topic tool calls /api/v1/knowledge/check-off-topic
- Results include real vector similarity search from knowledge base

### Memory Integration
- save_user_memory writes to PostgreSQL + Neo4j via knowledge-service
- collect_assessment_info saves user data to long-term memory
- generate_payment records payment intent to user memory
- New get_user_context tool retrieves user's historical memories

### Evolution Integration
- getAccumulatedExperience() fetches approved system experiences
- sendMessage() dynamically injects experiences into system prompt
- System learns from approved experiences across all conversations

## Expected Score Improvement
| Dimension  | Before | After | Delta |
|------------|--------|-------|-------|
| Tool Use   | 14/20  | 18/20 | +4    |
| Memory     | 12/20  | 16/20 | +4    |
| RAG        | 10/20  | 16/20 | +6    |
| Evolution  | 8/20   | 14/20 | +6    |
| Total      | 48     | 68    | +20   |

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-22 23:45:58 -08:00
hailin 4dbd6f075f docs: reorganize documentation and add architecture document
Changes:
- Create docs/ directory for centralized documentation
- Move DEVELOPMENT_GUIDE.md from root to docs/
- Add comprehensive ARCHITECTURE.md with:
  - System overview and architecture diagrams (ASCII)
  - Microservices responsibilities (6 services)
  - Technology stack details
  - Data flow diagrams (user conversation, admin evolution)
  - Production deployment architecture
  - Kong API routing table
  - Port mapping reference
  - Database schema overview (PostgreSQL, Neo4j, MinIO)
  - Security design notes
- Update README.md with documentation index table

Documentation structure:
  docs/
  ├── ARCHITECTURE.md      - System architecture reference
  └── DEVELOPMENT_GUIDE.md - Development guide and code examples

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-22 23:05:41 -08:00