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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.2.0] - 2026-02-26

Added

  • SessionStart hook (bin/scrooge-session.mjs): Injects repository index summary and behavioral directives at session start. Queries index_meta for file/chunk counts and last indexed commit. Returns {} for non-indexed repos (zero overhead).
  • PreToolUse nudge hook (bin/scrooge-nudge.mjs): Intercepts Read/Grep/Glob operations and suggests Scrooge alternatives. Rate-limited to 3 nudges per session. Only activates on code files in indexed repos.
  • Pi.dev exploration nudge: Extended tool_call handler with maybeNudge() for read/grep/glob tools. In-memory rate limiting (3/session) with isRepoIndexed() cache.
  • Agent instructions template (templates/agent-instructions.md): Reusable markdown with tool preference table and behavioral rules. Content core for all adoption mechanisms.
  • Pi.dev AGENTS.md management: Setup appends Scrooge instructions to ~/.pi/agent/AGENTS.md using HTML markers (<!-- scrooge:start v1 --> / <!-- scrooge:end -->). Backup before modification, never overwrites user content.
  • Template distribution: Setup copies agent-instructions.md to ~/.scrooge/ for manual integration with other agents.

Changed

  • Setup script (bin/setup.mjs): Consolidated all hook registrations into single settings.json read/write cycle. Now registers SessionStart, PreToolUse (nudge), and manages pi.dev AGENTS.md in addition to existing hooks.
  • Uninstall script (bin/uninstall.mjs): Now removes SessionStart hook, nudge hook, Scrooge section from pi.dev AGENTS.md (preserving user content), and generated template file.
  • Project settings (.claude/settings.json): Now includes SessionStart and nudge hooks alongside existing Write/Edit and observability hooks.

[0.1.0] - 2026-02-20

Added

  • Initial release with 8 tools: scrooge_search, scrooge_map, scrooge_lookup, scrooge_context, scrooge_deps, scrooge_reindex, scrooge_status, scrooge_statistics
  • Hybrid retrieval engine: FTS5 lexical + sqlite-vec vector search with RRF fusion
  • Tree-sitter parsing for Kotlin, TypeScript/TSX, Dart, and Python
  • Sketch compression (80-90% token reduction)
  • Local embeddings via all-MiniLM-L6-v2 (in-process, no external deps)
  • Auto-reindex on HEAD change (transparent to users)
  • PreToolUse hook for Write/Edit context injection
  • PostToolUse hook for agent coverage tracking
  • Multi-channel support: Claude Code (MCP) and pi.dev (extension)
  • Token-budgeted result packaging with diversity constraints
  • One-command setup (npm run setup) and uninstall (npm run uninstall)