Show HN: Session-trail – A timeline of your project, not a graph of your code

Category: devtools

Tags: claude-code, ai-agents, developer-memory, timeline, provenance

Score: 6.5/10 (Innovation: 7, Technical: 5, Documentation: 8, Utility: 6)

session-trail is a Claude Code plugin that records development history as an append-only timeline of sessions, decisions, and artifacts rather than a code graph. It combines mechanical hook-based capture of prompts and file touches with LLM-judged milestone nodes (requiring rejected alternatives) rendered in an interactive left-to-right viewer, all stored in a dependency-free JSONL file. It's an interesting reframing of developer memory for agentic workflows, preserving rationale and original prompts which code graphs typically discard.

Target audience: backend devs, AI agent users, developers using Claude Code, engineering teams wanting decision logs

Repository: https://github.com/jsk4581/session-trail · JavaScript · MIT

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