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Feature/helpful error messages#3487

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DhruvPokhriyal wants to merge 4 commits intoadenhq:mainfrom
DhruvPokhriyal:feature/helpful-error-messages
Open

Feature/helpful error messages#3487
DhruvPokhriyal wants to merge 4 commits intoadenhq:mainfrom
DhruvPokhriyal:feature/helpful-error-messages

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Enhanced Setup Error Handling and User Experience

Description

This PR implements comprehensive error handling and user-friendly messaging for the Aden Agent Framework setup process. It transforms technical error messages into actionable guidance with progressive disclosure, making setup failures easier to diagnose and resolve for contributors of all experience levels.

Type of Change

  • New feature (non-breaking change that adds functionality)
  • Bug fix (non-breaking change that fixes an issue)
  • Documentation update

Related Issues

Fixes #1853 - Error messages during setup provide technical output but no clear next steps
Fixes #450 - openai/litellm compatibility issues

Changes Made

1. Enhanced Error Messages with Progressive Disclosure

  • Implemented structured error format: "What happened" → "Quick fix" → "Why this happened" → "Still stuck?"
  • Added color-coded output (red for errors, yellow for warnings, green for success, blue for commands)
  • Provides OS-specific installation instructions (macOS Homebrew/official, Ubuntu/Debian, Fedora/RHEL)

2. Smart Error Detection (scripts/setup-python.sh)

  • PEP 668 Detection: Detects externally-managed Python environments and suggests virtual environment creation
  • Permission Errors: Identifies permission issues and recommends user-directory installation or venv
  • Network Issues: Detects connection problems and suggests alternative PyPI mirrors
  • Dependency Conflicts: Smart detection of version conflicts with actionable resolution commands
  • Issue [Bug]: Dependency Conflicts: OpenAI + LiteLLM Compatibility Issue #450 Auto-Fix: Automatically detects and upgrades old openai versions (0.x → 1.x) for litellm compatibility

3. Environment Validation Tool (scripts/check-environment.sh)

  • Pre-flight checks before setup to catch issues early
  • Validates: Python version, pip availability, git installation, project structure, directory permissions
  • Shows visual checklist with pass/fail status
  • Provides summary with actionable next steps

4. Complete Setup Script Overhaul (quickstart.sh)

  • 7-step guided setup process with comprehensive error handling at each step
  • Enhanced package installation with detailed error diagnostics
  • Verifies imports with smart failure detection (module not found, syntax errors, circular imports)
  • Validates Claude Code skills installation
  • Comprehensive final verification with fallback suggestions

5. Recovery Flows and Fallbacks

  • Suggests virtual environment creation when permission issues occur
  • Offers force-reinstall options for dependency conflicts
  • Provides alternative installation methods (user directory, different mirrors)
  • Links to relevant documentation and GitHub issues for complex problems

6. Compatibility Improvements

Testing

  • Manual testing performed on macOS (Homebrew Python)
  • Tested virtual environment detection and recommendations
  • Verified error message clarity with intentional failures:
  • Validated environment check script with various system configurations
  • Confirmed imports work after successful setup

Test Scenarios Validated:

  1. Fresh clone + setup on clean system
  2. Setup with system Python (PEP 668 error) → venv recommendation works
  3. Setup with old Python version → clear upgrade instructions
  4. Setup with old openai package → automatic upgrade to 1.x
  5. Check environment script catches missing dependencies
  6. Permission errors trigger appropriate fallback suggestions
  7. Package import failures provide actionable diagnostics

Checklist

  • My code follows the project's style guidelines (bash script conventions)
  • I have performed a self-review of my code
  • I have commented my code, particularly in hard-to-understand areas
  • I have made corresponding changes to the documentation (feature-helpful-error-messages.md)
  • My changes generate no new warnings
  • Error messages tested with real failure scenarios
  • Both old and new setup flows work correctly

User Impact

Before this PR:

Error: externally-managed-environment
[Stack trace...]

After this PR:

========================================
Setup Failed: Package Installation Error
========================================

What happened:
  Your system Python is protected from modifications (PEP 668)

Quick fix (Recommended):
  Create a virtual environment:
    python3 -m venv .venv
    source .venv/bin/activate
    ./scripts/setup-python.sh

Why this happened:
  Modern Linux distributions prevent pip from modifying system Python packages
  to avoid breaking system tools. Virtual environments are the recommended solution.

Still stuck?
  See Python virtual environments guide: https://docs.python.org/3/tutorial/venv.html

Implementation Notes

Error Detection Patterns

  • Network errors: network|connection|timeout|unreachable
  • Permission errors: Permission denied|PermissionError
  • PEP 668: externally-managed-environment|This environment is externally managed
  • Dependency conflicts: conflict|incompatible|requires
  • Module import errors: no module|modulenotfounderror
  • Syntax errors: syntax|invalid syntax
  • Circular imports: circular|cyclic

Key Features

  • Progressive Disclosure: Start with quick fix, expand to details only if needed
  • OS-Specific Guidance: Detects macOS/Linux and provides relevant commands
  • Automated Recovery: Issue [Bug]: Dependency Conflicts: OpenAI + LiteLLM Compatibility Issue #450 fix runs automatically during setup
  • Visual Hierarchy: Color coding and section headers improve scannability
  • Actionable Commands: All fixes shown as copy-paste terminal commands

Screenshots

N/A (terminal-based improvements)

Success Metrics (Expected)

  • Reduce setup failure rate by 40%
  • Decrease average time-to-resolve setup issues
  • Lower volume of setup-related support questions
  • Improve first-time contributor experience

Breaking Changes

None. All changes are additive and backward-compatible.

Future Improvements

  • Interactive setup wizard with menu-driven choices
  • Automated environment detection and venv creation
  • Setup progress saving/resumption for partial failures
  • Integration with Docker/Codespaces fallback options

- Added user-friendly error messages for common setup failures in quickstart.sh and setup-python.sh.
- Implemented smart detection for missing Python, pip, and package installation issues with actionable quick fixes.
- Introduced checks for running in a virtual environment and provided recommendations for creating one.
- Improved messaging for dependency conflicts, installation errors, and missing project files, including links to documentation and GitHub issues.
- Added a validation step to check for the existence of the exports directory and create it if missing.
- Enhanced import tests with detailed diagnostics for common import errors in aden_tools and litellm compatibility.
- Created a new markdown document outlining the problem statement, user impact, proposed solutions, and success metrics for helpful error messages.
…e tool

- Implement tests for _GitHubClient methods including repositories, issues, PRs, and error handling.
- Enhance PDF read tool tests to include truncation metadata for page range exceeding max_pages.
- Refactor web scrape tool tests to use async mocks and improve URL handling, including relative and absolute links.
- Ensure all tests validate success conditions and error handling appropriately.
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