Initial curated projectbrain source from 8a7b1e0651dbdab97d744cbd2e653ab3970ac6c5

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# Dependencies and build output
+node_modules/
+backend/node_modules/
+.opencode/
+dist/
+backend/dist/
+release-artifacts/
+dist-ssr/
+coverage/
+playwright-report/
+test-results/
+checkpoints/
+*.zip
+*.local
+*.tsbuildinfo
+
+# Runtime and local durable data
+tmp/
+.cache/
+*.db
+*.db-shm
+*.db-wal
+*.sqlite
+*.sqlite-shm
+*.sqlite-wal
+backups/local/
+
+# Local AI/editor workspace state
+.dyad/
+.codex/
+.claude/
+.agents/
+.vscode/*
+!.vscode/extensions.json
+.idea/
+.vs/
+.DS_Store
+Thumbs.db
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# Local environment files and credentials
+.env
+.env.*
+!.env.example
+!backend/.env.example
+*.key
+*.pem
+*.p12
+*.pfx
+secrets/
+credentials/