Security: Remove hardcoded credentials and improve environment handling

.env.example

@@ -0,0 +1,3 @@
+AWS_REGION=your-region-here
+AWS_ACCESS_KEY_ID=your-access-key-here
+AWS_SECRET_ACCESS_KEY=your-secret-key-here

.gitignore

@@ -1,74 +1,47 @@
-# Logs
-logs
-*.log
+# Environment variables
+.env
+.env.*
+!.env.example
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Node
+node_modules/
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
-lerna-debug.log*
 .pnpm-debug.log*
 
-# Diagnostic reports (https://nodejs.org/api/report.html)
-report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
-
-# Runtime data
-pids
-*.pid
-*.seed
-*.pid.lock
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-*.lcov
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Bower dependency directory (https://bower.io/)
-bower_components
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (https://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
-node_modules/
-jspm_packages/
-
-# Snowpack dependency directory (https://snowpack.dev/)
-web_modules/
-
-# TypeScript cache
-*.tsbuildinfo
-
-# Optional npm cache directory
-.npm
-
-# Optional eslint cache
-.eslintcache
-
-# Optional stylelint cache
-.stylelintcache
-
-# Microbundle cache
-.rpt2_cache/
-.rts2_cache_cjs/
-.rts2_cache_es/
-.rts2_cache_umd/
-
-# Optional REPL history
-.node_repl_history
-
-# Output of 'npm pack'
-*.tgz
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
 
+# Project specific
+chunks.json
+summary_cache.json
+*-FINAL-REPORT.txt
 # Yarn Integrity file
 .yarn-integrity
 
@@ -128,3 +101,17 @@ dist
 .yarn/build-state.yml
 .yarn/install-state.gz
 .pnp.*
+
+# Test files
+test.html
+test.ts
+test.js
+test.d.ts
+test.js.map
+parallel-report.txt
+quantum-deep-research-report.txt
+quantum-parallel-report.txt
+deepresearch-report.txt
+
+mcp-webresearch-original
+TURTLE-SOUP.txt