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docs: add comprehensive next steps roadmap for Phase 2+ development
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‎NEXT_STEPS.md‎

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# NEXT STEPS - WILDCAT Phase 2 & Beyond
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**Last Updated:** Nov 11, 2025
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**Current Branch:** `feature/phase1-modernization`
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**Latest Commit:** `2f7fe91` - docs: clean up redundant documentation files and consolidate to GitHub Pages
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---
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## Phase 1 Status: ✅ COMPLETE
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### Completed Tasks
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- ✅ ESLint compliance (all 43 errors fixed, 18 warnings removed)
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- ✅ Full test suite (164 tests passing)
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- ✅ Documentation cleanup (6 redundant files removed, consolidated to GitHub Pages)
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- ✅ Code organization (entire codebase in `src/` folder structure)
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- ✅ TypeScript foundation (3 files already converted: logger.ts, db.ts, types/index.ts)
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### Key Metrics
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- **Test Coverage:** 164 tests, all passing
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- **Code Quality:** 0 ESLint errors, 0 warnings
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- **Build Status:** Ready for production
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---
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## Phase 2: TypeScript & ESM Migration (READY TO START)
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### Overview
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Convert remaining CommonJS files to TypeScript + ESM (ES2020 modules).
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### Current State
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- **Module System:** CommonJS (require/module.exports) - **NEEDS UPDATE**
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- **TypeScript Files:** 3 of ~20 files converted (logger.ts, db.ts, types/index.ts)
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- **ESM Ready:** Build tools configured (tsc, tsx, nodemon available)
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- **tsconfig.json:** Configured for ES2020 + ESM with strict mode
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- **Package.json:** Has build scripts ready (`build`, `dev:ts`, `start:ts`)
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### Files Requiring Conversion
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#### Core Source Files (High Priority)
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1. `src/index.js` - Main entry point
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2. `src/server.js` - Express server setup
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3. `src/routes.js` - Route definitions
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4. `src/accountManager.js` - Account management
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5. `src/accountRouter.js` - Account routing
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6. `src/socketManager.js` - Socket lifecycle management
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7. `src/mediaHandler.js` - Media handling
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8. `src/webhookHandler.js` - Webhook logic
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9. `src/mongoAuthState.js` - MongoDB auth state
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#### Middleware & Validators (Medium Priority)
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10. `src/middleware/authMiddleware.js`
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11. `src/middleware/webhookSecurityMiddleware.js`
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12. `src/validators/validationSchemas.js`
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#### Other Files (Lower Priority)
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13. `src/audioConverter.js` - Audio conversion utility
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14. `src/managementRoutes.js` - Management routes
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15. `scripts/cli.js` - CLI utility
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16. `index.js` - Root entry point
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#### Legacy JavaScript (Can keep as .js or convert)
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- `src/db.js` - Already have db.ts
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- `src/logger.js` - Already have logger.ts
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### Migration Strategy
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1. **Update package.json:**
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```json
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{
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"type": "module",
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"main": "dist/index.js",
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"exports": {
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".": "./dist/index.js"
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}
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}
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```
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2. **Convert files incrementally:**
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- Start with core utilities (db.ts, logger.ts already done)
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- Move to middleware and validators
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- Then main application files
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- Finally, scripts and entry points
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3. **Update imports:**
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- Replace `require()` with `import`
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- Replace `module.exports` with `export`
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- Add `.js` file extensions in ESM imports
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- Update path resolutions
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4. **Test after each conversion:**
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- Run ESLint checks
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- Run Jest tests
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- Verify build output with `npm run build`
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- Test locally with `npm run dev:ts`
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5. **Remove legacy files:**
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- Delete `.js` versions after successful conversion
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- Keep `.ts` versions only
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### Testing Strategy
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- Update Jest config if needed for ESM
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- Ensure all 164 tests continue to pass
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- Add new tests for TypeScript types as needed
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- Verify build artifacts in `dist/` folder
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### Build Pipeline After Phase 2
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```bash
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npm run build # Compiles TypeScript to dist/
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npm start # Runs compiled JavaScript
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npm run dev:ts # Runs with tsx watch (development)
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npm test # Jest tests
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npm run lint # ESLint checks
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npm run lint:fix # Auto-fix ESLint issues
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```
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---
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## Phase 3: Security Hardening (Post TypeScript)
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### Planned Security Enhancements
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- [ ] API key authentication (replace/enhance basic auth)
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- [ ] Rate limiting refinement
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- [ ] CSRF protection
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- [ ] Input sanitization improvements
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- [ ] Webhook signature verification enhancements
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- [ ] SSRF protection for webhooks (validate URLs)
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- [ ] Environment variable validation at startup
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---
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## Phase 4: Performance Optimization
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### Areas to Optimize
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- [ ] Connection pooling (MongoDB)
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- [ ] Caching strategy (Redis or in-memory)
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- [ ] Media file optimization
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- [ ] Query optimization
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- [ ] Memory management review
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---
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## Decision Points
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### Before Starting Phase 2:
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- [ ] Decide: Merge Phase 1 first (to main), or continue on feature branch?
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- [ ] Team review of TypeScript configuration
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- [ ] Confirm ESM migration is desired (vs staying CommonJS)
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### During Phase 2:
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- [ ] Handle legacy db.js and logger.js (delete or keep for backwards compat?)
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- [ ] Plan for gradual rollout vs big bang conversion
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- [ ] Define Node.js version requirement (recommend 18+)
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### After Phase 2:
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- [ ] Update CI/CD pipeline for TypeScript build step
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- [ ] Update Docker build if using containers
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- [ ] Update deployment documentation
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- [ ] Consider creating `dist/` in .gitignore or version control
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---
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## Quick Reference: Commands for Phase 2
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```bash
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# Build TypeScript
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npm run build
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# Development with TypeScript watching
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npm run dev:ts
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# Run compiled output
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npm start
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# Run tests
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npm test
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# Linting
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npm run lint
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npm run lint:fix
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# Type checking only (no build)
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npx tsc --noEmit
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# Check for unused code
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npx knip
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```
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---
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## Files to Update After Phase 2
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- [ ] README.md - Update build/run instructions
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- [ ] DEVELOPMENT.md - Update dev setup guide
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- [ ] SETUP.md - Update installation guide
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- [ ] GitHub Actions CI/CD workflow (add TypeScript build step)
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- [ ] Dockerfile - Update build process
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- [ ] package.json - Clean up dev deps, set Node version
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- [ ] .gitignore - Add dist/ if not already there
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---
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## Notes
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- **Duplicate Files:** Currently have both `.js` and `.ts` versions of logger and db. Plan to remove `.js` versions after full ESM conversion.
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- **Testing:** Jest is configured for TypeScript via `@types/jest`. Tests may need updates for ESM imports.
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- **Type Definitions:** Comprehensive type definitions already exist in `src/types/index.ts`. Leverage these across the codebase.
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- **Dependencies:** All required TypeScript tooling already in package.json (typescript, tsx, @types/node, @types/express, @types/jest)
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---
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## Related Documentation
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- See `AGENTS.md` for development guidelines
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- See `docs/DEVELOPMENT.md` for detailed setup
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- See `README.md` for quick start
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- GitHub Pages: https://notoriousarnav.github.io/wildcat/

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