# Changelog All notable changes to `Luna-Flow/mooncake-impact-factor` are listed here. The format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/). ## 0.2.0 - 2026-10-09 Scoring v2, the computation of the registry signals and the whole search in MoonBit, and a web interface rebuilt after the Luna-Flow documentation site. This release breaks the MoonBit API of `score` and `cli`, the HTTP routes of the analysis and the hot feed, and the static data schema. ### Changed (scoring) - **Dependents come from the latest release.** A dependent is a package whose latest non-yanked release declares the dependency; version 0.1 counted every package that had ever declared it in any release. - **Dependents of the same owner count a quarter.** `Signals` separates external from same-owner dependents, and `SELF_DEPENDENT_WEIGHT` is `1/4`. In the registry of June 2026, 48 % of the dependency edges connected packages of one owner. - **Grades are shares of the registry.** `S`, `A`, `B`, `C` and `D` are the top 5 %, 15 %, 35 %, 65 % and the rest by competition position (`rank_positions`, `rank_label(position, population, score)`); a package without any signal is always `D`. Version 0.1 used fixed thresholds on the score. - **Momentum is `New`, `Rising`, `Stable` or `Cooling`.** `New` has no release 30 days ago; `Rising` and `Cooling` need a change of at least 10 points and 10 % of the earlier score. `Hot` is removed. - **The 30-day growth no longer counts every download.** Version 0.1 scored the past with zero downloads, so the whole download term counted as growth and almost every popular package was `Rising`. The past now uses a download snapshot from about 30 days ago, or today's counts when none is recorded yet. - **The release-recency multiplier is continuous:** `1.12` up to 30 days, falling linearly to `0.88` at 365 days, instead of steps that changed a score by up to 6.4 % overnight. - **The score is the same on every backend.** `ln` ports FreeBSD msun `e_log.c` with IEEE 754 basic operations only, instead of `@math.ln`, which uses `Math.log` on js. - `score_population` scores a registry and returns `ScoreSnapshot` with `rank_position` and a `ScoreBreakdown` of the three terms; `rank_labels` and `momentum_labels` are the only lists of labels. ### Added - MoonBit package `metrics`: latest releases (by date, then SemVer 2.0.0 precedence), current dependency edges with their first appearance and ownership, external, same-owner and recent dependents, distinct dependent owners, the signals 30 days ago, release order, label counts and the scores of the whole registry, with an RFC 3339 parser. - MoonBit package `query`: the search query language (query tree, JSON form, expression parser and serializer, flat-parameter derivation), the sort keys and the paging rules. It was TypeScript in `lib/query.ts`, which now wraps the generated JavaScript. - MoonBit package `query_sql`: compiles query trees and `/api/search` requests (validation, FTS5 expressions, ordering, paging) to SQLite statements. It replaces the compiler in `lib/data.ts`. - `cli build-index --input [--output ]` scores the whole registry in one process. - Query fields `external_dependents`, `owners`, `age` and `position`, the parameters `min_external_dependents`, `min_owners` and `max_age`, the sort keys `external`, `owners`, `position` and `age`, and lists in `rank` and `momentum` (`rank=S,A`). - Searches accept `limit` (default 50, at most 200) and `offset` and return `{ items, total }`, on the server and in the static worker. - `GET /api/meta`, `GET /api/feeds/new`, and the dependencies of the latest release in the package analysis. - `build_index.py --refresh-downloads` refetches every count and records it in `data/download_history.json` (45 days); `--now` scores the registry as of another moment. The deployment keeps the history in the Actions cache. - Web interface, rebuilt after the Luna-Flow documentation site with its tokens and page chrome copied unchanged: - the rankings are the home page: one sortable table of every package (position, grade, dependents, owners, 30-day change, release age, downloads, score) with filters in the sidebar and every view in the URL; - every package has a page: standing, where the score comes from, the last 30 days, dependents with ownership, dependencies, releases; - a page explains how scores work, and the site's search dialog (`/`, `Ctrl+K`) searches packages; - the layout works down to 375 px in light and dark themes. - Localisation as on the documentation site: pages under `/en/`, `/zh-cn/` and `/ja/`, `/` choosing the stored, then the browser language, and interface strings in gettext catalogs (`web/i18n`) handled by `scripts/i18n.mjs` with lunadoc's msgmerge semantics. Chinese and Japanese are complete. ### Changed - `build_index.py` only moves data; it runs `cli` once instead of once per package (about one second for 2902 packages), and Python and TypeScript no longer contain copies of the rules or a SemVer sort. - `static_search` is the search engine of the static site (index loading, evaluation, relevance, sorting, paging), builds for every target, and lower-cases and collates text with its own tables instead of the host's `toLowerCase` and `localeCompare`. `runtime_version` is `"static-search-v2"`. - A search without criteria lists every package ordered by rank position and honours `sort` and `order`, instead of returning the top feed. Ties of every sort key are broken by rank position, then by name. - Static data schema 2: summaries carry the new signals; package files are named `owner--name.json` with every `/` replaced, so nested names such as `tonyfettes/tree-sitter/cli` work; feeds are `top`, `rising` and `new`. - The package analysis moved to `GET /api/packages/`. - `/search` and `/advanced-search` redirect to the rankings with their filters. The graphical query builder is replaced by a query expression field with live validation. - Migrated to MoonBit 0.10 (`moonc` 0.10 or later): `moon.mod` sets `source = "src"` and `preferred_target = "js"`, `cli` is a `pkgtype(kind: "executable")`, and the generated `pkg.generated.mbti` files are committed. - The daily deployment runs at 00:00 Japan time. ### Removed - `compute_score(Int, Int, Int, Int)`, `rank_label(Double)`, `compute_momentum_label(Double, Double, Double, Int)` and `compute_score_snapshot`; use `Signals`, `compute_score`, `rank_label`, `compute_momentum_label` and `score_population`. - `cli score-snapshot`; use `cli build-index`. - The momentum label `Hot`, the `hot` feed and `GET /api/packages///analysis`. - The landing page, the animations (gsap) and the icon library. ### Fixed - The static search worker runs again: Turbopack copied the worker's TypeScript source as a static asset instead of bundling it. - `serialize` keeps the parentheses of a negated group and quotes values with a colon or a keyword, so displayed expressions parse back. - An unclosed quote in an expression is a syntax error. - `sort=constructor` and malformed `ast` or `expr` parameters are answered with HTTP 400 instead of invalid SQL or HTTP 500. - Negated terms add no relevance to the static order (#4). - Unknown release dates give the same age now and 30 days ago (#5). - A failed request no longer leaves earlier results on screen. ### Documentation - API, tutorial and design pages for all six packages; the score design derives the same-owner discount, the relative grades and the momentum thresholds, the metrics design defines the signals. The architecture and getting-started guides describe the new pipeline, routes and localisation. zh_CN and ja_JP translations are updated. ## 0.1.2 - Local registry ingestion from `~/.moon/registry/index/user` into SQLite: packages, versions, dependencies, package edges, score snapshots and an FTS5 search index, rebuilt from scratch on every build. - Score, rank and momentum rules in the MoonBit `score` package, evaluated by the index builder through the `cli` bridge. - Download counts from mooncakes.io with a local cache and an override file. - Next.js application with ranked feeds, full-text search with boolean syntax and field prefixes, a graphical advanced query builder, a shared query AST for `ast`, `expr` and legacy parameters, and per-package analysis pages. - Static publishing mode with exported JSON data, a browser search worker and a scheduled GitHub Pages deployment.