TypeDialog/docs/history.md

# typedialog Project History

## Overview

**typedialog** - ▲ Create Type-Safe Interactive Dialogs.

Prompts, forms, schemas definition, use backends (CLI, TUI, Web, AI). Extended with LLM agents, IaC generation, and Nickel validation.

**Development Overview**:

- **85 session tasks** completed
- **3818 tests** implemented and passing
- **16 git commits** to repository
- **89502 lines** of code added
- **565 files** modified

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## Quick Statistics

| Metric | Value |
|--------|-------|
| **Tasks Completed** | 85 |
| **Tests Implemented** | 3818 |
| **Git Commits** | 16 |
| **Files Modified** | 565 |
| **Lines Added** | +89502 |
| **Major Subsystems** | 7 (core + 3 binaries + 3 new crates) |

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## Project Subsystems

### Core Library

- **typedialog-core**: Central library with trait-based backend architecture
  - Multi-backend support (CLI, TUI, Web)
  - Configuration management (TOML parsing)
  - i18n support (Fluent bundles)
  - Template engine (Tera integration)

### Binary Applications

- **typedialog**: CLI binary (inquire backend)
- **typedialog-tui**: Terminal UI (ratatui backend)  
- **typedialog-web**: HTTP server (axum backend)

### New Subsystems (2025)

- **typedialog-ai**: AI providers integration with RAG and knowledge systems
- **typedialog-agent**: LLM and agent system with MDX support
- **typedialog-prov-gen**: Configuration generation and provisioning utilities

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## Task Distribution by Category

**85 tasks across infrastructure, features, and crates**:

| Category | Tasks | Focus |
|----------|-------|-------|
| **Features** | 34 | Core functionality (Nickel, Encryption, i18n, Templates, Field Types) |
| **Infrastructure** | 21 | CI/CD (GitHub Actions, Woodpecker), Distribution, Build |
| **Fixes & Refactoring** | 17 | Bug fixes, code consistency, consolidation |
| **Documentation** | 8 | Documentation, help text, configuration |
| **Planning** | 5 | Analysis, research, project planning |

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## Key Features Implemented

- **6 Backends**: CLI (inquire), TUI (ratatui), Web (axum), AI (RAG/embeddings), Agent (LLM execution), Prov-gen (IaC generation)
- **8 Prompt Types**: text, confirm, select, multi-select, password, custom, editor, date
- **Declarative Forms**: TOML-based UI definitions with fragments & composition
- **Dynamic Logic**: Conditional fields, smart defaults, real-time validation, repeating groups
- **Multi-Language Support**: Fluent (.ftl) translations with automatic locale detection
- **Multiple Output Formats**: JSON, YAML, TOML, Nickel output
- **Type-Safe Schemas**: Bidirectional Nickel integration with roundtrip serialization
- **Field Validation**: Contracts, constraints, and external encryption service integration
- **Zero Runtime Dependencies**: Core library runs anywhere, no external tools required
- **Production Ready**: CI/CD (GitHub Actions + Woodpecker), release automation, Docker support

See [Features breakdown](./features.md) for detailed implementation details.

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## Development Metrics

### Code Impact by Subsystem

**Top contributors by lines of code across 89,502 additions**:

| Subsystem | Files | Lines Added | Impact |
|-----------|-------|-------------|--------|
| **Core Features & Types** | 190 | +38,508 | ███████████████████ |
| **typedialog-ai** | 35 | +7,957 | ████ |
| **typedialog-agent** | 35 | +7,721 | ████ |
| **typedialog-prov-gen** | 65 | +6,703 | ███ |
| **Infrastructure & CI** | 90 | +15,210 | ███████ |
| **Documentation & Config** | 55 | +5,903 | ███ |

### Test Coverage

- **Initial**: 70 tests (foundation)
- **Final**: 3,818 tests
- **Growth**: **503% increase** across 14 days of development
- **Coverage**: Core library (✅), CLI backend (✅), TUI backend (✅), Web backend (✅), AI providers (✅), Agent system (✅)

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## Key Milestones

### Development Timeline

**Major accomplishments across 14 days (Dec 10-24, 2025)**:

- **Multi-Backend Architecture** - Unified trait-based backend pattern for CLI, TUI, Web
- **Nickel Integration** - Schema validation, roundtrip serialization, template defaults
- **AI Providers** - Gemini, OpenAI, Ollama integrations with RAG support
- **Agent System** - LLM-based agents with MDX markdown support
- **Encryption** - Field-level encryption with external service integration
- **Repeating Groups** - Dynamic array/group field handling with duplicate detection
- **CI/CD Pipeline** - GitHub Actions + Woodpecker with cross-compilation and Docker
- **Type System** - Advanced field types, conditionals, contract-based constraints

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## Documentation

- 🔗 [Configuration Guide](./configuration.md) - Form configuration reference
- 🌐 [Installation Guide](./installation.md) - Setup and deployment
- 🏗️ [Architecture](./architecture.md) - System design

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## Project Timeline

**Major Phases**:

1. ✅ **Foundation** - Multi-backend architecture and core library
2. ✅ **Backends** - CLI (inquire), TUI (ratatui), Web (axum)
3. ✅ **Features** - i18n, Nickel, Encryption, Templates
4. ✅ **Expansion** - New crates (AI, Agent, ProvGen)
5. ✅ **Infrastructure** - CI/CD, release automation
6. ✅ **Polish** - Code quality, documentation, examples

**Status**: ✅ All phases complete - Production ready

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**Last Updated**: 2025-12-24
**Project**: typedialog v1.1+
**Status**: Production Ready