test: Add comprehensive end-to-end integration tests

- Created integration test suite with 8 test scenarios
- Tests all phases working together
- Verifies cross-phase integration
- All tests passing
- Updated testing checklist with integration results

Author: Test User

docs/development/V0.0.19-BETA-TESTING-CHECKLIST.md

@@ -575,10 +575,118 @@
 
 ---
 
+## ✅ Integration Testing Results
+
+**Date:** 2024-11-18  
+**Type:** End-to-End Integration Testing  
+**Status:** ✅ ALL TESTS PASS
+
+### Integration Test Suite
+
+#### ✅ Test 1: Generate Agents
+- **Status:** PASS
+- **Agents Generated:** 7 files (README.md + 6 agent files)
+- **Verification:** All files exist and contain content
+- **Files:**
+  - ✅ `.doplan/ai/agents/README.md`
+  - ✅ `.doplan/ai/agents/planner.agent.md`
+  - ✅ `.doplan/ai/agents/coder.agent.md`
+  - ✅ `.doplan/ai/agents/designer.agent.md`
+  - ✅ `.doplan/ai/agents/reviewer.agent.md`
+  - ✅ `.doplan/ai/agents/tester.agent.md`
+  - ✅ `.doplan/ai/agents/devops.agent.md`
+
+#### ✅ Test 2: Generate Rules
+- **Status:** PASS
+- **Rules Generated:** Core rule files
+- **Verification:** All files exist and contain content
+- **Files:**
+  - ✅ `.doplan/ai/rules/workflow.mdc`
+  - ✅ `.doplan/ai/rules/communication.mdc`
+
+#### ✅ Test 3: Generate Commands
+- **Status:** PASS
+- **Commands Generated:** Multiple command files
+- **Verification:** Command files exist and contain content
+- **Files:**
+  - ✅ `.doplan/ai/commands/run.md`
+  - ✅ `.doplan/ai/commands/deploy.md`
+  - ✅ `.doplan/ai/commands/create.md`
+  - ✅ (and more...)
+
+#### ✅ Test 4: Generate Design System (DPR)
+- **Status:** PASS
+- **DPR Generated:** Complete design system files
+- **Verification:** All files exist and contain content
+- **Files:**
+  - ✅ `doplan/design/DPR.md`
+  - ✅ `doplan/design/design-tokens.json`
+  - ✅ `.doplan/ai/rules/design_rules.mdc`
+
+#### ✅ Test 5: Generate API Keys Detection (RAKD)
+- **Status:** PASS
+- **RAKD Generated:** Service detection working
+- **Verification:** Services detected from package.json and .env.example
+- **Detected Services:**
+  - ✅ Stripe (from package.json)
+  - ✅ OpenAI (from .env.example)
+- **Files:**
+  - ✅ `doplan/RAKD.md`
+
+#### ✅ Test 6: Workflow Guidance Integration
+- **Status:** PASS
+- **Recommendations:** All action types return recommendations
+- **Verification:** 
+  - ✅ 8 different action types tested
+  - ✅ All return valid recommendations
+  - ✅ Workflow sequence returns 6 steps
+  - ✅ Sequence contains: Plan, Design, Code, Test, Review, Deploy
+
+#### ✅ Test 7: Cross-Phase Integration
+- **Status:** PASS
+- **Integration Points:**
+  - ✅ Agents reference workflow rules (workflow.mdc, communication.mdc)
+  - ✅ Design rules reference DPR
+  - ✅ DevOps agent references RAKD
+
+#### ✅ Test 8: Agent Workflow Sequence
+- **Status:** PASS
+- **Verification:** 
+  - ✅ Workflow.mdc documents correct sequence
+  - ✅ Sequence follows: Plan → Design → Code → Test → Review → Deploy
+
+### Integration Test Summary
+
+**Total Tests:** 8  
+**Passed:** 8 ✅  
+**Failed:** 0  
+**Warnings:** 0
+
+**Integration Status:** ✅ **ALL INTEGRATION TESTS PASS**
+
+**Key Findings:**
+1. ✅ All generators work correctly in isolation
+2. ✅ All generators work correctly when used together
+3. ✅ Cross-phase references are correct (agents → rules, design → DPR, devops → RAKD)
+4. ✅ Workflow guidance provides accurate recommendations
+5. ✅ File structure is created correctly
+6. ✅ All generated files contain expected content
+
+**Ready for:** Manual Testing and User Acceptance Testing
+
+---
+
 ## 📝 Testing Notes
 
 *Add any notes, observations, or feedback here:*
 
+**Integration Testing Notes:**
+- All end-to-end workflows tested and verified
+- Cross-phase integration confirmed working
+- File generation verified across all phases
+- Workflow guidance integration confirmed
+- Ready for manual user testing
+
 ---
 
 ## ✅ Sign-off