Docs.rs

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Agent Skills: the SKILL.md registry, dual-root (~/.claude + ~/.agents) scan, progressive-disclosure injection block, authoring + version history, and the `/api/skills/*` CRUD surface — an extracted Core capability crate. Kernel-required (the registry is injected into every chat turn), in-process only. Core consumes it as a path dependency and injects the ryu data dir + implements `Runnable` for `SkillRecord` host-side, so this crate has ZERO dependency on apps/core.

Plugin-owned key/value storage primitive for Ryu: an isolated, `(plugin_id, namespace, key)`-namespaced SQLite KV store (the plugin-host `storage:kv` capability's backing state). An extracted Core capability crate; in-process by default and consumed as a NON-optional path dependency (the plugin turn-hook runtime reaches it unconditionally). `PluginStorage::open` takes an explicit db path, so the crate has ZERO dependency on apps/core — the default-path choice and the process-global handle stay Core-side as wiring.

The terminal client for a Horus gateway

Conversation search primitive for Ryu: a sqlite-vec (`vec0`) semantic KNN index plus a contentless FTS5 lexical index over past chat messages, storing vectors/inverted-index + metadata only (never message text — the caller re-reads and decrypts snippets from `conversations.db`). An extracted Core capability crate; in-process by default and consumed as a NON-optional path dependency (the ConversationStore reaches it unconditionally). The embedder is injected via the narrow `SearchEmbedder` trait, so the crate has ZERO dependency on apps/core — the registry-driven embedder choice and the default db paths stay Core-side (`apps/core/src/search_host.rs`).

Runtime contract and execution layer for Axonyx applications

Core parser, lowering, query model, and SQL draft compiler for Axonyx

Predict: the system-wide predictive-typing brain for Ryu — an extracted Core capability crate owning the completion engine (config, per-app allowlist, secure-field denylist, prompt assembly, reply cleanup) and the `/api/predict/*` HTTP surface. In-process default; Core consumes it as a NON-optional path dependency. Every cross-cutting call it needs (preferences, the agent's bound model, the default model id, the Gateway side-model call, and the plugin-owned enabled flag) is inverted through the `PredictHost` trait so this crate has ZERO dependency on apps/core. The process-global on/off flag (`predict::set_enabled` / boot seeding) stays in the kernel — it is the built-in Predict plugin's switch.

Typed Zanzibar authorization for Rust, backed by Anvil.

Room-keyed realtime fan-out primitive for Ryu: a transport-agnostic RoomRegistry mapping room_id -> a per-room tokio actor that owns isolated ephemeral state (presence map + idle clock) behind a command channel, with a bounded broadcast sender for fan-out. Rooms are keyed by id, hibernate when idle, and rehydrate on next join; membership is an RAII guard whose Drop reaps presence. Exposes a typed event contract (the Frame enum over Events/Presence/DocSync channels, broadcast via publish_event, subscribe returning a droppable receiver = unsubscribe handle). An extracted Core capability crate consumed as a NON-optional in-process path dependency (the chat fan-out path drives it directly, never over IPC). ZERO dependency on apps/core.

The ratatui-based terminal UI for mandible: tree pane, detail pane, search bar, status bar, and keybinding overlay. Not independently useful outside the mandible workspace.

The tiered CLI extraction pipeline for mandible: framework identification, per-framework help-text grammars, completion-script parsing, man pages, and native probes, merged behind one ExtractionTier trait. Not independently useful outside the mandible workspace.

mandible: a universal, interactive TUI reference for CLI tools. `mandible git` opens an explorable tree of every command, subcommand, and flag git has, with descriptions.

Fuzzy search index over commands and flags for mandible, backed by nucleo. Not independently useful outside the mandible workspace.

Pure-Rust reader for NanoVDB (.nvdb) sparse volumetric grid files.