Deduplicate and prune project root and docs/ directory

- Consolidate setup documentation: merge COMPLETE_SETUP_INSTRUCTIONS into QUICK_START
- Consolidate status docs: merge SETUP_PROGRESS, SETUP_COMPLETE, COMPLETION_STATUS into STATUS
- Consolidate review docs: merge REVIEW_SUMMARY into PROJECT_REVIEW
- Archive 7 redundant files to docs/archive/
- Update DOCUMENTATION_INDEX.md and README.md references
- Create archive README explaining consolidation
- Reduce root documentation from 19 to 13 files (32% reduction)
- Eliminate ~400 lines of duplicate content

QUICK_START.md

@@ -20,18 +20,33 @@ cd asle
 git submodule update --init --recursive
 ```
 
-## Step 2: Start Infrastructure
+## Step 2: Configure Database
+
+Choose one method to set up PostgreSQL:
+
+### Option A: Docker (Recommended)
 
 ```bash
-# Start PostgreSQL and Redis (if using Docker)
-docker-compose up -d postgres redis
+# Start PostgreSQL container
+docker-compose up -d postgres
+
+# Update backend/.env
+DATABASE_URL="postgresql://asle:asle_password@localhost:5432/asle?schema=public"
 ```
 
-Or install PostgreSQL locally and create a database:
+### Option B: Local PostgreSQL
+
 ```bash
-createdb asle
+# Create database (requires PostgreSQL admin access)
+sudo -u postgres psql -c "CREATE DATABASE asle;"
+# Or: createdb asle
+
+# Update backend/.env with your connection string
+DATABASE_URL="postgresql://your_user:your_password@localhost:5432/asle?schema=public"
 ```
 
+See [DATABASE_SETUP.md](./DATABASE_SETUP.md) for detailed database configuration options.
+
 ## Step 3: Backend Setup
 
 ```bash
@@ -40,15 +55,9 @@ cd backend
 # Install dependencies
 npm install
 
-# Copy environment file
+# Copy and configure environment
 cp .env.example .env
-
-# Edit .env with your configuration
-# Minimum required:
-# - DATABASE_URL
-# - JWT_SECRET
-# - RPC_URL
-# - DIAMOND_ADDRESS (after deploying contracts)
+# Edit .env with your configuration (see DATABASE_SETUP.md)
 
 # Generate Prisma client
 npm run prisma:generate
@@ -76,14 +85,9 @@ cd ../frontend
 # Install dependencies
 npm install
 
-# Copy environment file
+# Copy and configure environment
 cp .env.example .env.local
-
 # Edit .env.local with your configuration
-# Minimum required:
-# - NEXT_PUBLIC_API_URL
-# - NEXT_PUBLIC_DIAMOND_ADDRESS
-# - NEXT_PUBLIC_RPC_URL
 
 # Start frontend (development)
 npm run dev