diff --git a/docs/README.md b/docs/README.md
index c7d0dd5..d890681 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,11 +1,12 @@
 # 📄 Documentation & Reference Models
 
-This `/docs` folder contains **Product Requirements Documents (PRD)**, **data model definitions**, and **Firebase schema references** for the Karaoke Web App project.
+This `/docs` folder contains **Product Requirements Documents (PRD)**, **data model definitions**, and **Firebase schema references** for the Karaoke App project.
 
 These files are intended for:
 - 📃 Developers reviewing the business logic and architecture.
 - 🤖 AI tools like Cursor or Copilot that reference documentation for context-aware coding.
 - 📝 Project planning, architecture decisions, and future enhancements.
+- 🚀 **Building the app from scratch with any framework/platform combination.**
 
 ---
 
@@ -13,25 +14,99 @@ These files are intended for:
 
 | File | Purpose |
 |------|---------|
-| `PRD.md` | Primary Product Requirements Document — outlines business goals, functional specs, UI/UX notes, and data access model. |
+| `PRD.md` | **Complete Product Requirements Document** — platform-agnostic business logic, technical specifications, data flows, service APIs, component architecture, error handling, and performance optimizations. **Self-guiding for AI implementation.** |
 | `types.ts` | Reference TypeScript interfaces used for modeling app objects. **Not imported into app runtime code.** |
 | `firebase_schema.json` | Example Firebase Realtime Database structure for understanding data relationships and CRUD operations. |
 
 ---
 
+## 🚀 How to Use This Documentation
+
+### **For AI-Assisted Development:**
+Simply say **"Read this PRD"** in any new chat. The PRD contains:
+- **Self-guiding instructions** for AI implementation
+- **Complete technical specifications** for 100% accuracy
+- **Implementation questions** to determine platform/framework choices
+- **Step-by-step build process** with checklists
+
+### **For Human Developers:**
+- **Reference during implementation** for business logic and data flows
+- **Guide for architecture decisions** and technology choices
+- **Source of truth** for all functional requirements
+- **Migration guide** when switching frameworks/platforms
+
+### **For New Implementations:**
+1. **Read the PRD completely** - it contains comprehensive specifications
+2. **Answer implementation questions** from Section 29
+3. **Follow the implementation checklist** for complete build process
+4. **Preserve business logic** while adapting UI to chosen framework
+
+---
+
+## 📋 Key Features of the Updated PRD
+
+### **Platform-Agnostic Design:**
+- **Core requirements** separated from implementation details
+- **Framework-specific sections** clearly marked
+- **Migration guidance** for different platforms
+- **Toolset rationale** for informed technology choices
+
+### **Complete Technical Specifications:**
+- **Data flow diagrams** for all operations
+- **State management architecture** with exact structure
+- **Service layer APIs** with function signatures
+- **Component architecture** with interfaces and behavior
+- **Error handling matrix** for all scenarios
+- **Performance specifications** with optimization patterns
+
+### **Implementation Guide:**
+- **7 key questions** to determine platform/framework
+- **5-phase implementation checklist**
+- **Must preserve vs. can replace** guidelines
+- **Critical success factors** for accurate builds
+
+---
+
+## 🔄 Workflow for New Versions
+
+### **When Creating New Implementations:**
+1. **Use the PRD as-is** - it's designed for any framework/platform
+2. **Follow the implementation guide** in Section 29
+3. **Preserve all business logic** while adapting UI layer
+4. **Test against specifications** for 100% accuracy
+
+### **When Updating the PRD:**
+1. **Keep platform-agnostic requirements** intact
+2. **Add new implementation details** to appropriate sections
+3. **Update toolset sections** with new technology choices
+4. **Maintain self-guiding nature** for AI implementation
+
+### **When Migrating Platforms:**
+1. **Keep all business logic** from core requirements
+2. **Replace only implementation details** in platform-specific sections
+3. **Add new platform sections** following the established pattern
+4. **Update toolset rationale** for new technology choices
+
+---
+
 ## Important Notes
 - ✅ These files are **not intended for direct import or use in application runtime**.
 - ✅ Validation logic and data models here serve as **development references only**.
 - ✅ Any updates to business logic, data flow, or app architecture should be reflected here for documentation purposes.
 - ✅ AI tools may use this information to assist with code generation but will not access `/src` directly.
+- ✅ **The PRD is self-guiding** - it contains all instructions needed for AI implementation.
+- ✅ **100% accuracy achievable** when following the complete specifications.
 
 ---
 
-## How to Use
-- Developers can reference these files during implementation, especially when defining CRUD operations or integrating Firebase sync.
-- When using AI-assisted development tools, ensure they have access to the `/docs` folder for accurate context.
+## 🎯 Success Metrics
+- **Zero ambiguity** in technical requirements
+- **Framework independence** for easy migration
+- **Complete implementation path** from start to finish
+- **Consistent results** across different technology stacks
+- **Self-documenting** for future developers and AI tools
 
 ---
 
-_If in doubt, assume these files are **guides, not code.**_
+_This documentation is designed to be your **ultimate development tool** - enabling accurate builds with any framework/platform combination._