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2026-02-22feat(search): display abandoned package indicator in search resultsnsfisis
Parse the `abandoned` field from Packagist search API responses and show a "! Abandoned !" warning inline, matching Composer's behavior. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22fix(resolver): handle virtual packages and deduplicate pool explorationnsfisis
Virtual/meta packages (e.g. "psr/http-client-implementation") don't exist on Packagist and caused a fatal error during transitive dependency exploration. These packages are resolved via provides/replaces from other packages already in the pool, so 404 errors are now skipped. Also fix PoolBuilder::next_pending() repeatedly returning the same virtual package name by tracking explored names in a HashSet, since virtual packages are never added to inputs and the old check (inputs.any(name)) never matched them. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22fix(registry): handle Stability::Dev in version constraint buildernsfisis
Replace unreachable\!() with proper @dev suffix output. Although Dev is normally handled by an early return, this prevents a panic if the control flow is ever refactored. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22fix(platform): inject composer pseudo packages into resolvernsfisis
composer-runtime-api, composer-plugin-api, and composer are Composer pseudo packages that don't exist on Packagist. The resolver was trying to fetch them remotely (HTTP 404) because PackageName::is_platform() didn't recognize them and detect_platform() didn't inject them. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22feat(resolver): replace pubgrub with Composer-ported SAT solvernsfisis
Add mozart-sat-resolver crate implementing a CDCL SAT-based dependency resolver ported from Composer's DependencyResolver. This replaces the pubgrub library to ensure identical resolution behavior with Composer. The new crate includes: pool (package storage with integer IDs), rule/rule_set/rule_set_generator (constraint encoding), decisions (assignment tracking), rule_watch_graph (2-watched literal BCP), solver (CDCL loop with conflict analysis and clause learning), policy (version preference), problem (Composer-style error messages), and transaction (install/update/uninstall operation computation). The registry resolver is rewritten to use PoolBuilder → RuleSetGenerator → Solver pipeline instead of pubgrub's DependencyProvider trait. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22fix(resolver): replace ComposerVersion(u16) with semver::Version(u64)nsfisis
ComposerVersion used u16 segments (max 65535), causing overflow for PHP extensions like ext-dom (version 20031129). The extension became invisible to the resolver, failing create-project with "depends on ext-dom" errors. Use mozart_semver::Version (u64 segments) directly as pubgrub's version type, eliminating the overflow and redundant conversion layer. Also fixes Ord for patch pre-releases (patch1 > stable) and adds Display impl required by pubgrub. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22refactor: reorganize crates to match Composer subpackage structurensfisis
Rename mozart-constraint to mozart-semver (mirrors composer/semver) and extract mozart-class-map-generator from mozart-autoload (mirrors composer/class-map-generator). No logic changes. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22fix(resolver): replace __root__ with actual package name in error messagesnsfisis
Composer never shows the internal __root__ identifier to users. Add root_name field to ResolveRequest so the resolver can substitute the real package name (e.g. "laravel/laravel") in pubgrub error reports. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22fix(platform): detect PHP version from runtime instead of hardcoding 8.1nsfisis
PlatformConfig::new() was hardcoded to PHP 8.1 with a fixed extension list, causing resolution failures for packages requiring newer PHP (e.g. Laravel 12 requires >=8.2). Now calls detect_platform() to discover the actual PHP version, extensions and capabilities. Also adds a mutex to composer_home_dir tests to prevent env-var races. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22chore: cargo fmtnsfisis
2026-02-22refactor(http): centralize User-Agent string in mozart-corensfisis
Add mozart_core::http::user_agent() that returns a consistent "Mozart/<version> (<os>; <arch>)" string. Replace all scattered user-agent definitions across mozart-registry and mozart CLI commands. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22feat(metadata-minifier): add mozart-metadata-minifier cratensfisis
Port composer/metadata-minifier to Rust as an independent workspace crate. Implements expand() and minify() for Packagist's delta-encoded version metadata. Update mozart-registry to use the new crate for transparent minified response handling, and add __unset sentinel support to PackagistVersion deserialization. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22feat(deps): update dependenciesnsfisis
2026-02-22refactor(async): migrate from blocking HTTP to async/await with tokionsfisis
Replace reqwest::blocking with async reqwest across the entire codebase. All command execute functions, registry API calls (packagist, downloader, resolver, lockfile), and the main entry point now use async/await with the tokio runtime. The pubgrub resolver runs on spawn_blocking since its DependencyProvider trait is synchronous, using Handle::block_on for async I/O within that context. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22feat(tracing): add performance profiling via tracing cratensfisis
Wire up the existing --profile flag with tracing-subscriber to emit span timings on stderr. Supports MOZART_LOG env var override and verbose-level-aware filtering. No subscriber is installed when --profile is off, keeping tracing macros zero-cost. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22refactor(workspace): split monolithic crate into 6 workspace cratesnsfisis
Extract modules from the single `mozart` crate into 5 focused library crates to improve compilation parallelism and architectural clarity: - mozart-constraint: version constraint parser (independent) - mozart-core: base types, console, validation, platform utilities - mozart-archiver: archive creation (tar, zip, bzip2) - mozart-registry: Packagist API, cache, resolver, downloader, lockfile - mozart-autoload: autoloader generation and PHP scanner Refactor Console::from_cli and build_cache_config to accept primitive args instead of &Cli to break circular dependencies. Introduce [workspace.dependencies] for centralized version management. Remove 9 unused direct dependencies from the CLI crate. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>