chore: consolidate tsconfig presets

[adelrodriguez]

Summary

• add app tsconfig preset to centralize DOM libs plus noEmit/TS extension imports
• simplify internal package tsconfigs and inline DOM libs where needed
• normalize changelog list formatting from formatter

Testing

• bun run format
• bun run check
• bun run typecheck
• bun run test

Greptile Overview

Greptile Summary

This PR successfully consolidates TypeScript configuration across the monorepo by introducing a new @tooling/tsconfig/app preset and simplifying the internal-package preset.

Key Changes:

• Created new app.json preset centralizing DOM libraries (ESNext, DOM, DOM.Iterable), noEmit, and allowImportingTsExtensions for all app configurations
• Updated internal-package.json preset to include noEmit and allowImportingTsExtensions, removing emission-related options (declaration, declarationMap, emitDeclarationOnly, outDir)
• Migrated all 6 apps (web, mobile, desktop, app, extension, docs) from base to the new app preset, eliminating redundant configuration
• Simplified 17 internal package tsconfigs by removing rootDir and other now-inherited options
• Packages requiring DOM APIs (ui, workflows) appropriately inline lib: ["ESNext", "DOM", "DOM.Iterable"]
• Normalized CHANGELOG.md list formatting from asterisks to hyphens per formatter rules

The refactoring reduces configuration duplication (89 lines removed, 36 added) while maintaining type safety and build correctness. All app-specific configs now only contain their unique overrides (jsx, plugins, esModuleInterop), making the codebase more maintainable.

Confidence Score: 5/5

• This PR is safe to merge with no risk - it's a pure configuration refactoring that consolidates settings without changing behavior
• The PR demonstrates excellent configuration management with systematic consolidation of tsconfig settings. All changes follow a clear pattern: apps inherit from the new app preset, packages inherit from the updated internal-package preset, and only necessary overrides remain inline. The testing mentioned (format, check, typecheck, test) validates that the refactoring maintains type safety and build correctness.
• No files require special attention - all changes follow consistent patterns

Important Files Changed

Filename	Overview
tooling/tsconfig/app.json	Added new app preset consolidating DOM libs, noEmit, and allowImportingTsExtensions for all app configs
tooling/tsconfig/internal-package.json	Simplified preset to include noEmit and allowImportingTsExtensions, removing emission-related options
apps/web/tsconfig.json	Switched to app preset, removed redundant lib, moduleResolution, and noEmit config
packages/ui/tsconfig.json	Switched to internal-package preset, kept DOM libs inline, removed redundant noEmit and allowImportingTsExtensions
packages/backend/tsconfig.json	Removed entire compilerOptions block as all options now inherited from internal-package preset

Sequence Diagram

sequenceDiagram
    participant Dev as Developer
    participant Apps as Apps (web, mobile, desktop, etc)
    participant Packages as Internal Packages
    participant AppPreset as @tooling/tsconfig/app
    participant PkgPreset as @tooling/tsconfig/internal-package
    participant Base as @tooling/tsconfig/base

    Dev->>AppPreset: Create new app.json preset
    Note over AppPreset: Includes: ESNext, DOM, DOM.Iterable<br/>noEmit, allowImportingTsExtensions
    
    Dev->>PkgPreset: Simplify internal-package.json
    Note over PkgPreset: Remove emission configs<br/>Add: noEmit, allowImportingTsExtensions
    
    Dev->>Apps: Update all app tsconfigs
    Apps->>AppPreset: extends @tooling/tsconfig/app
    AppPreset->>Base: extends base.json
    Note over Apps: Remove redundant: lib, noEmit,<br/>allowImportingTsExtensions
    Note over Apps: Keep only: jsx, esModuleInterop,<br/>plugins (as needed)
    
    Dev->>Packages: Update all package tsconfigs
    Packages->>PkgPreset: extends internal-package.json
    PkgPreset->>Base: extends base.json
    Note over Packages: Remove: rootDir, emission configs<br/>Inline DOM libs only where needed<br/>(ui, workflows)

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch chore/tsconfig-app-preset

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