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Changelog

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

[0.6.0] - 2026-05-17

  • Reworked the README first screen around the "3-file memory system" positioning.
  • Added a copy-first starter-kit/ with minimal AGENTS.md, memory files, and per-agent prompts.
  • Added comparison, compatibility, flow diagram, demo walkthrough, launch copy, and v0.6.0 release checklist docs.
  • Added the optional unified deja-vu init, deja-vu doctor, and deja-vu explain CLI.
  • Split read-only source tests from npm pack verification with test:src:readonly and test:pack.
  • Updated scripted recall to distinguish missing setup as not_initialized.

[0.5.0] - 2026-04-25

  • Made remember/writeback a first-class companion to recall with a post-task writeback routing table in the README, protocol, workflow, and AGENTS template.
  • Added writeback_hint guidance to scripted memory scans so recall naturally leads into durable memory maintenance.
  • Added deja-vu-feedback-report to aggregate recall feedback into maintenance suggestions for aliases, weights, compaction, and route cleanup.
  • Expanded memory linting beyond JSONL into Markdown lifecycle checks for summaries, decisions, open loops, frontmatter, supersession, and transcript-like records.
  • Added tests for writeback hints, feedback reporting, Markdown memory linting, and package binary inclusion.

[0.4.1] - 2026-04-25

  • Reaffirmed Deja Vu as an ultra-light protocol-first memory system rather than a required package, service, daemon, vector database, or engine.
  • Updated the README opening around the concrete adoption promise: stop re-explaining the repo to every new coding-agent chat.
  • Added a 2-minute start path centered on AGENTS.md, memory/summary.md, and memory/impressions.jsonl.
  • Clarified that scripts, recall feedback, detailed records, and the TypeScript engine are optional scale-up layers.
  • Added release notes for the 0.4.1 protocol-first activation patch.

[0.4.0] - 2026-04-24

  • Reframed the README and package metadata around repo-local Markdown memory for AI coding agents.
  • Added observable recall budget reporting to scripted scans and the TypeScript engine.
  • Added recall feedback as a lightweight reward signal with helpful, irrelevant, missed, and overloaded outcomes.
  • Added memory/recall-feedback.jsonl templates and example feedback records.
  • Expanded memory linting for feedback records, status values, weights, date formats, scope naming, and unsafe record paths.
  • Updated protocol, workflow, scripted recall, storage, templates, and examples for Deja Vu Protocol v0.4.
  • Updated package metadata for the 0.4.0 release.

[0.3.1] - 2026-04-23

  • Added impression cue quality warnings to deja-vu-lint-memory for sparse, oversized, duplicate, generic, and repeated keyword sets.
  • Updated the default summary generator to preserve decision, rationale, and trigger gist cues instead of only truncating source content.
  • Updated the default chunker to preserve Markdown heading and paragraph boundaries before falling back to hard splitting.
  • Added source tests for cue lint warnings, gist summaries, and boundary-aware chunking.
  • Updated package metadata for the 0.3.1 patch release.

[0.3.0] - 2026-04-22

  • Repositioned Deja Vu as a cue-first memory protocol centered on task cue -> familiarity score -> minimal recall -> durable writeback.
  • Reduced the minimum adoption surface to memory/summary.md, memory/impressions.jsonl, and project rules.
  • Reclassified memory/decisions/, memory/open-loops/, memory/events/, memory/context/, and memory/index.md as recommended or optional artifacts.
  • Added a default recall budget: scan always, summary at most one file, details one to three records, and no full memory-tree loads unless explicitly requested.
  • Updated protocol, workflow, storage, bootstrap, scripted recall, template, example, and AI-readable docs around low-token cue-first recall.
  • Updated package metadata to version 0.3.0.

[0.2.2] - 2026-04-21

  • Made engine impression scans token-only so query embeddings are deferred until chunk retrieval is needed.
  • Added CLI --memory-root and --file options and aligned matched with weak/strong scan levels.
  • Added deja-vu-scan-memory and deja-vu-lint-memory package binaries.
  • Added memory linting for impression schema, duplicate ids, and linked record paths.
  • Updated adoption docs, handshake, templates, and example project to make impression-first recall the default path.
  • Updated protocol naming to v0.2 and clarified project-local plain text storage.

[0.2.1] - 2026-04-21

  • Added a protocol-level impression layer for compact keyword-first familiarity scans.
  • Added scripted recall documentation and a default scripts/dejavu-scan-memory.mjs scanner.
  • Added memory/impressions.jsonl and memory/events/ templates for cheap long-term continuity.
  • Updated workflow, protocol, storage, bootstrap, and AGENTS templates around impression-first recall.
  • Extended the optional TypeScript engine with impressionTokens and scanImpressions().
  • Added tests for scanning impressions without loading deeper memory.

[0.2.0] - 2026-04-20

  • Repositioned Deja Vu as a protocol-first memory system for AI agents.
  • Rewrote the root README around rules, workflow, and Markdown memory as the primary adoption path.
  • Added the core protocol references:
    • docs/protocol.md
    • docs/workflow.md
    • docs/storage-markdown.md
  • Added copyable project rules and memory templates under docs/templates/.
  • Added examples/protocol-project/ as a repo-first example that works without npm or the optional engine.
  • Moved the semantic TypeScript engine into an explicitly optional documentation path under docs/engine/.
  • Rewrote handshake, bootstrap, release, and AI-readable docs to match the new protocol-first framing.
  • Updated package metadata to describe the npm package as an optional semantic recall layer.
  • Fixed npm run test:src for the current Node.js v24 environment by switching to a compatible ts-node registration path.

[0.1.0] - 2026-04-19

  • Initial public release of Deja Vu.
  • Added the familiarity-first semantic recall engine core.
  • Added in-memory storage and vector adapters for zero-infrastructure local trials.
  • Added runnable examples for basic recall, agent PM, chat memory, and task assistant flows.
  • Added AI-readable integration docs, handshake guidance, and project rules templates.