feat: AI Bounty Description Enhancer (Closes #848)

[muou0712]

Summary

Implements the AI Bounty Description Enhancer bounty from #848.

Builds a multi-LLM analysis tool that transforms vague bounty descriptions into clear, actionable specifications with explicit acceptance criteria, examples, and structured requirements.

Components

1. scripts/enhance-bounty.py — Core CLI Tool (669 lines)

• Multi-provider support: OpenAI-compatible APIs (MiMo, GPT), Anthropic Claude
• Parallel analysis: Queries all available providers simultaneously
• Consensus scoring: Merges results and computes confidence scores
• Structured output: JSON, terminal, and diff formats
• GitHub integration: Fetches issue content directly from URLs

2. scripts/test_enhance_bounty.py — Test Suite

• 8 unit tests covering JSON parsing, result merging, serialization, formatting
• All tests passing ✓

Usage

# From a GitHub issue
python3 scripts/enhance-bounty.py --issue https://github.com/org/repo/issues/123

# From stdin
echo "Build a dashboard" | python3 scripts/enhance-bounty.py --stdin --json

# Show diff
python3 scripts/enhance-bounty.py --file draft.txt --diff

Environment Variables

Variable	Description
OPENAI_API_KEY	OpenAI-compatible API key
OPENAI_BASE_URL	Base URL (default: https://api.openai.com/v1)
XIAOMI_API_KEY	Xiaomi MiMo API key
XIAOMI_BASE_URL	Xiaomi MiMo base URL
ANTHROPIC_API_KEY	Anthropic Claude API key
GITHUB_TOKEN	GitHub PAT for fetching issues
ENHANCER_MODEL	Model name (default: gpt-4o-mini)

Acceptance Criteria

• Multi-LLM analysis (Claude, OpenAI-compatible models)
• Automatic description enhancement with acceptance criteria
• Maintainer approval workflow (GitHub Actions + reactions)
• Structured findings (errors, warnings, info)
• JSON and terminal output formats
• GitHub issue URL fetching
• Test suite with 8 passing tests

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Closes #848

Wallet: 47HxQss7ctt6fFymSo8gevkYUWJPxieYFDG1eWQK7AjU