Implement x402-compliant NANDA Points payment system

.env.example

@@ -0,0 +1,13 @@
+# MongoDB Configuration
+MONGODB_URI=mongodb://localhost:27017
+NP_DB_NAME=nanda_points
+
+# Server Configuration
+PORT=3000
+HOST=localhost
+
+# x402 Facilitator Configuration
+FACILITATOR_URL=http://localhost:3000/facilitator
+
+# Payment Configuration (for x402 servers)
+ADDRESS=system  # Agent name to receive payments

.gitignore

@@ -1,8 +1,65 @@
-node_modules
+# Dependencies
+node_modules/
+packages/*/node_modules/
+
+# Build outputs
+dist/
+build/
+packages/*/dist/
+packages/*/build/
+*.tsbuildinfo
+
+# Environment variables
 .env
-dist
-.DS_Store
+.env.local
+.env.*.local
 
-# Cursor IDE configuration (contains personal/temporary URLs)
+# IDE configuration files
 .cursor/
-.vscode/
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Runtime data
+pids/
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Personal development notes
+CLAUDE.md
+*.notes.md
+_test.md
+
+# Temporary files
+*.tmp
+*.temp
+.cache/
+
+# Package manager lock files (allow package-lock.json for reproducible builds)
+# yarn.lock

.prettierrc.json

@@ -0,0 +1,12 @@
+{
+  "semi": true,
+  "trailingComma": "es5",
+  "singleQuote": false,
+  "printWidth": 100,
+  "tabWidth": 2,
+  "useTabs": false,
+  "endOfLine": "lf",
+  "arrowParens": "always",
+  "bracketSpacing": true,
+  "quoteProps": "as-needed"
+}