v0.3.2 - Tweak Safety & Undo

Highlights

🐛 Critical Bug Fix: Fixed tweak formatting loss where prompts would lose markdown formatting and compress to 1/3 of original length

✨ New Features:

• Undo functionality for prompt tweaks - type undo to revert to previous version
• Shrink guardrail - prevents accidental prompt truncation with automatic detection and revert

🔧 Improvements:

• Enhanced tweak system with better formatting preservation
• Improved delimiter system for precise boundary detection
• Better OpenAI provider compatibility with GPT-4.1 and O-class models

What's Changed

Added

• Undo functionality for tweaks (CLI + Web UI)
• Shrink guardrail to prevent accidental truncation
• Support for OpenAI Responses API

Fixed

• Critical tweak formatting loss bug
• OpenAI token parameter handling
• Provider error recovery for unsupported parameters

Changed

• Enhanced tweak system instructions for formatting preservation
• Improved payload format with clear delimiters
• Web UI history limit increased from 3 to 5 entries

Full Changelog

See CHANGELOG.md for complete details.

Installation

pip install --upgrade promptheus

Verify

promptheus --version  # Should show 0.3.2