Example Task List

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This is a complete example of a task list that passes all validation checks.

# Project Tasks

## Current Tasks

| ID      | Description                 | Status      | Priority |
| ------- | --------------------------- | ----------- | -------- |
| SSH0001 | Implement SSH auth module   | In Progress | High     |
| SCP0001 | File transfer functionality | Planned     | Medium   |
| ERR001  | Error handling and recovery | In Progress | High     |
| DOC0001 | Documentation framework     | Review      | Medium   |

## Completed Tasks

| ID      | Description            | Status    | Completed By | Review Rating |
| ------- | ---------------------- | --------- | ------------ | ------------- |
| SSH0002 | Key generation service | Completed | @developer1  | 4.5           |

| SYS0001 | System initialization | Completed | @developer2 | 5 |


SSH0001: Implement SSH authentication module

Description Develop the SSH authentication module supporting key-based and password authentication methods with appropriate fallbacks and security measures.

Simplicity Progression Plan

  1. Begin with password authentication
  2. Add public key authentication
  3. Implement host verification
  4. Add support for auth methods negotiation

Simplicity Principle Progressive enhancement with clear interfaces

Abstraction Evaluation Medium - abstracts authentication mechanisms while maintaining clear and secure interfaces

Requirements

  • Support for password authentication
  • Support for public key authentication
  • Configurability of allowed authentication methods
  • Secure storage of authentication data

ExUnit Test Requirements

  • Test all authentication methods
  • Test failure scenarios
  • Mock SSH server responses

Integration Test Scenarios

  • Auth with valid/invalid credentials
  • Multi-factor authentication flow
  • Connection timeout handling

Typespec Requirements

  • Define auth result types
  • Credential type specifications
  • Connection state types

TypeSpec Documentation Document all public authentication interfaces

TypeSpec Verification Use Dialyzer to verify type safety

Dependencies

  • ERR001 (Error handling framework required)
  • None (for base functionality)

Code Quality KPIs

  • Functions per module: 4
  • Lines per function: 12
  • Call depth: 2

Error Handling Core Principles

  • Pass raw errors
  • Use {:ok, result} | {:error, reason}

  • Let it crash Error Implementation
  • No wrapping
  • Minimal rescue
  • function/1 & /! versions Error Examples
  • Raw error passthrough
  • Simple rescue case
  • Supervisor handling GenServer Specifics
  • Handle_call/3 error pattern
  • Terminate/2 proper usage
  • Process linking considerations

Status In Progress

Priority High

Architecture Notes Modular SSH authentication design supporting multiple auth methods

Complexity Assessment Medium - Multiple authentication methods with fallback logic

  • Authentication with valid/invalid key
  • Authentication with disabled methods
  • Fallback behavior when preferred auth fails

Typespec Requirements

  • Define types for credentials (password and key-based)
  • Define authentication result types
  • Define configuration option types

TypeSpec Documentation All types should be clearly documented with examples

TypeSpec Verification Use Dialyzer to verify type correctness and prevent runtime errors

Status In Progress

Priority High

1. Implement password authentication (SSH0001-1)

Description Implement basic password authentication with encryption and rate limiting.

Error Handling Core Principles

  • Pass raw errors
  • Use {:ok, result} | {:error, reason}

  • Let it crash Error Implementation
  • No wrapping
  • Minimal rescue
  • function/1 & /! versions Error Examples
  • Raw error passthrough
  • Simple rescue case
  • Supervisor handling

Status Completed

Review Rating 4.5

2. Add key-based authentication (SSH0001-2)

Description Support for RSA and ED25519 keys with proper validation.

Error Handling Core Principles

  • Pass raw errors
  • Use {:ok, result} | {:error, reason}

  • Let it crash Error Implementation
  • No wrapping
  • Minimal rescue
  • function/1 & /! versions Error Examples
  • Raw error passthrough
  • Simple rescue case
  • Supervisor handling

Status In Progress


SCP0001: File transfer functionality

Description Create a secure file transfer mechanism built on the SSH transport layer.

Simplicity Progression Plan

  1. Implement basic file uploads
  2. Add download functionality
  3. Add resume capabilities
  4. Add directory synchronization

Simplicity Principle Incremental complexity with solid foundations

Abstraction Evaluation Medium - abstracts file operations while providing clear progress indicators

Requirements

  • Support for uploading files
  • Support for downloading files
  • Progress reporting
  • Error handling and recovery
  • Directory operations

ExUnit Test Requirements

  • Test file upload/download
  • Test with various file sizes
  • Test error conditions
  • Test progress reporting

Integration Test Scenarios

  • Upload/download of various file types
  • Handling of network interruptions
  • Performance with large files
  • Directory operations

Typespec Requirements

  • Define types for file operations
  • Define progress reporting types
  • Define error types

TypeSpec Documentation Clear documentation of types with usage examples

TypeSpec Verification Static analysis to ensure type safety

Status Planned

Priority Medium


ERR001: Error handling and recovery

Description Develop a comprehensive error handling system for the application.

Simplicity Progression Plan

  1. Define error taxonomy
  2. Implement basic error handlers
  3. Add recovery mechanisms
  4. Integrate with logging

Simplicity Principle Structured error handling with clear recovery paths

Abstraction Evaluation High - centralizes error management while allowing specific handling

Requirements

  • Consistent error types
  • Recovery mechanisms
  • Proper logging
  • User-friendly error messages

ExUnit Test Requirements

  • Test error generation
  • Test recovery mechanisms
  • Test logging integration

Integration Test Scenarios

  • Error propagation across modules
  • Recovery from various error conditions
  • Logging consistency

Typespec Requirements

  • Define error type hierarchy
  • Define recovery mechanism types

TypeSpec Documentation Thorough documentation of error types and recovery options

TypeSpec Verification Verify proper error handling through static analysis

Status In Progress

Priority High

1. Define error taxonomy (ERR001-1)

Description Create a comprehensive classification of errors in the system.

Error Handling Core Principles

  • Pass raw errors
  • Use {:ok, result} | {:error, reason}

  • Let it crash Error Implementation
  • No wrapping
  • Minimal rescue
  • function/1 & /! versions Error Examples
  • Raw error passthrough
  • Simple rescue case
  • Supervisor handling

Status Completed

Review Rating 4.8

2. Implement basic error handlers (ERR001-2)

Description Create handlers for common error scenarios.

Error Handling Core Principles

  • Pass raw errors
  • Use {:ok, result} | {:error, reason}

  • Let it crash Error Implementation
  • No wrapping
  • Minimal rescue
  • function/1 & /! versions Error Examples
  • Raw error passthrough
  • Simple rescue case
  • Supervisor handling

Status In Progress


DOC0001: Documentation framework

Description Create a documentation generation system for the project.

Simplicity Progression Plan

  1. Set up basic documentation structure
  2. Add API documentation
  3. Add tutorials and examples
  4. Implement search functionality

Simplicity Principle Progressive detail with consistent structure

Abstraction Evaluation Medium - provides a standard framework while allowing flexibility

Requirements

  • Support for code documentation
  • Support for tutorials
  • Searchable content
  • Version tracking

ExUnit Test Requirements

  • Test documentation generation
  • Test cross-referencing
  • Test search functionality

Integration Test Scenarios

  • Documentation generation from codebase
  • Search functionality testing
  • Version comparison

Typespec Requirements

  • Define documentation structure types
  • Define search index types

TypeSpec Documentation Clear documentation of the documentation system itself

TypeSpec Verification Ensure type consistency in documentation tools

Status Review

Priority Medium

1. Set up basic documentation structure (DOC0001-1)

Description Create the foundational structure for project documentation.

Error Handling Core Principles

  • Pass raw errors
  • Use {:ok, result} | {:error, reason}

  • Let it crash Error Implementation
  • No wrapping
  • Minimal rescue
  • function/1 & /! versions Error Examples
  • Raw error passthrough
  • Simple rescue case
  • Supervisor handling

Status Completed

Review Rating 5

2. Add API documentation (DOC0001-2)

Description Generate comprehensive API documentation from code comments.

Error Handling Core Principles

  • Pass raw errors
  • Use {:ok, result} | {:error, reason}

  • Let it crash Error Implementation
  • No wrapping
  • Minimal rescue
  • function/1 & /! versions Error Examples
  • Raw error passthrough
  • Simple rescue case
  • Supervisor handling

Status Completed

Review Rating 4.3

3. Add tutorials and examples (DOC0001-3)

Description Create usage tutorials and example code.

Error Handling Core Principles

  • Pass raw errors
  • Use {:ok, result} | {:error, reason}

  • Let it crash Error Implementation
  • No wrapping
  • Minimal rescue
  • function/1 & /! versions Error Examples
  • Raw error passthrough
  • Simple rescue case
  • Supervisor handling

Status Completed

Review Rating 4.7


SSH0002: Key generation service

Description Implement secure key generation service supporting multiple algorithms.

Simplicity Progression Plan Progressive implementation of key types

Simplicity Principle Minimal interface with maximal security

Abstraction Evaluation Low - Direct implementation of standard algorithms

Requirements

  • Support RSA and ED25519 key generation
  • Secure key storage
  • Key format conversion utilities

ExUnit Test Requirements

  • Test key generation for all supported types
  • Verify key formats and strength

Integration Test Scenarios

  • Generate and verify keys
  • Test with SSH authentication module

Typespec Requirements

  • Define key type specifications
  • Document all public interfaces

TypeSpec Documentation Clear documentation of key types and generation options

TypeSpec Verification Verified with Dialyzer static analysis

Status Completed

Priority High

Implementation Notes Elegant indirection pattern using Registry for PID resolution

Complexity Assessment Low - Used built-in Registry with minimal custom code

Maintenance Impact Low - Self-contained solution with clear interface

Review Rating 4.5