refactor: rewrite plugin system from extism/WASM to stabby native dylibs#7

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markovejnovic wants to merge 63 commits into

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refactor/plugin-system

Commits on May 23, 2026

feat(sdk): define RawPlugin + RawHostApi stabby FFI traits
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feat(sdk): async user-facing traits + PluginContext
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fix(sdk): remove stale wasm32-wasip1 reference and orphaned manifest.rs
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fix(sdk): use typed ArchiveId and StdStream in PluginContext
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feat(sdk): hm_plugin! proc macro for stabby FFI code generation
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fix(sdk): store capability instances in __HmPluginImpl instead of per-call Default
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feat(host): rewrite plugin loading for stabby native dylibs
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fix(host): delete stale pool/host_fns/signal modules, remove extism dep
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fix(host): address code quality review items
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feat: migrate output-json plugin to stabby native dylib
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feat: migrate output-human plugin to stabby native dylib
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feat: migrate docker plugin to stabby — uses bollard directly
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feat: migrate cloud plugin to stabby — uses reqwest/axum directly
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feat: migrate test fixtures to tests/fixtures/ as stabby native dylibs
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fix: update integration tests and callers for stabby plugin API
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refactor(protocol): remove WASM-era host_abi types + manifest fields
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chore: remove extism deps, dead WASM refs, update docs for stabby
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merge: origin/main into refactor/plugin-system
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refactor: move first-party plugins into crates/hm/plugins/
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feat(output): move build event formatting into core binary
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refactor(orchestrator): output subscriber uses direct formatting, not plugins
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fix(output): use RunContext for color/tty detection, update stale docs
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refactor: remove OutputFormatter capability from plugin system
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chore: fix stale output-formatter references in comments
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chore: delete output formatter plugin crates
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refactor(cli): --format flag uses enum instead of string
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merge: origin/main (hm-util crate + CancellationToken modernization)
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feat(plugin-runtime): create hm-plugin-runtime crate with extracted modules
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refactor: wire HmError to wrap RuntimeError, delete original plugin sources
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chore: remove stabby/libloading from binary crate (moved to plugin-runtime)
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docs: update CLAUDE.md for plugin-runtime extraction
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fix: route all RuntimeError imports through plugin re-export shim
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refactor: move ManifestError + validate into PluginManifest, move plugin dirs to hm_util
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refactor: replace validate wrapper with From<ManifestError> impl
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refactor: add plugin_discovery_dirs() iterator, simplify registry loop
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refactor: make index_capabilities a pure function using Entry API
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docs: document public functions in registry.rs
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fmt
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refactor: consolidate plugin paths into hm_util::dirs, delete paths.rs
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Merge remote-tracking branch 'origin/main' into refactor/plugin-system
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refactor: replace manual Default impl with SmartDefault derive
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docs: implementation plan for deep subcommand injection
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feat(protocol): replace ClapJson with typed ArgSpec schema
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feat(runtime): clap_bridge — build Command from SubcommandSpec, extract parsed args
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Commits on May 24, 2026