Initial commit: Claude Session Manager with complete CLI toolset

- Add TypeScript project structure with Bun runtime
- Implement CLI commands for session, project, stats, and optimization
- Add SQLite database integration with prepared statements
- Include AGENTS.md for development guidelines
- Add Makefile for common development tasks
- Configure ESLint and TypeScript with strict mode

AGENTS.md

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+# Agent Guidelines
+
+## Build Commands
+- `bun run build` - Build the project (runs typecheck first)
+- `bun run dev` - Development mode with hot reload
+- `bun run test` - Run all tests
+- `bun run lint` - Run ESLint on TypeScript files
+- `bun run typecheck` - Run TypeScript type checking without emitting
+
+## Code Style Guidelines
+- Use TypeScript with strict mode enabled (noImplicitAny: false, strictNullChecks: false)
+- Import style: ES6 imports with `import { X } from './path'` for named exports
+- Use `@/*` path alias for src directory imports
+- Naming: camelCase for variables/functions, PascalCase for classes/interfaces
+- File structure: Organize by domain (cli/, database/, models/, services/, templates/)
+- Error handling: Use try/catch blocks, log errors with logger utility
+- Database: Use SQLite with prepared statements, map rows to interfaces
+- CLI: Use Commander.js for command structure, chalk for colored output
+- Date handling: Use moment.js for date formatting/manipulation
+- UUID generation: Use uuid v4 for IDs
+- No explicit return types required (inferred)
+- Prefer const over let, avoid var
+- Use Bun runtime features where appropriate