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Matt Hill
109
CLAUDE.md
109
CLAUDE.md
@@ -11,7 +11,7 @@ StartOS is an open-source Linux distribution for running personal servers. It ma
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- Frontend: Angular 20 + TypeScript + TaigaUI
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- Container runtime: Node.js/TypeScript with LXC
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- Database/State: Patch-DB (git submodule) - storage layer with reactive frontend sync
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- API: JSON-RPC via rpc-toolkit (see `agents/rpc-toolkit.md`)
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- API: JSON-RPC via rpc-toolkit (see `core/rpc-toolkit.md`)
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- Auth: Password + session cookie, public/private key signatures, local authcookie (see `core/src/middleware/auth/`)
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## Build & Development
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@@ -31,113 +31,32 @@ make test-core # Run Rust tests
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## Architecture
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### Core (`/core`)
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The Rust backend daemon. Main binaries:
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- `startbox` - Main daemon (runs as `startd`)
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- `start-cli` - CLI interface
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- `start-container` - Runs inside LXC containers; communicates with host and manages subcontainers
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- `registrybox` - Registry daemon
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- `tunnelbox` - VPN/tunnel daemon
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Each major component has its own `CLAUDE.md` with detailed guidance.
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**Key modules:**
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- `src/context/` - Context types (RpcContext, CliContext, InitContext, DiagnosticContext)
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- `src/service/` - Service lifecycle management with actor pattern (`service_actor.rs`)
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- `src/db/model/` - Patch-DB models (`public.rs` synced to frontend, `private.rs` backend-only)
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- `src/net/` - Networking (DNS, ACME, WiFi, Tor via Arti, WireGuard)
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- `src/s9pk/` - S9PK package format (merkle archive)
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- `src/registry/` - Package registry management
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**RPC Pattern:** See `agents/rpc-toolkit.md`
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### Web (`/web`)
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Angular projects sharing common code:
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- `projects/ui/` - Main admin interface
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- `projects/setup-wizard/` - Initial setup
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- `projects/start-tunnel/` - VPN management UI
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- `projects/shared/` - Common library (API clients, components)
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- `projects/marketplace/` - Service discovery
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**Development:**
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```bash
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cd web
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npm ci
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npm run start:ui # Dev server with mocks
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npm run build:ui # Production build
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npm run check # Type check all projects
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```
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### Container Runtime (`/container-runtime`)
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Node.js runtime that manages service containers via RPC. See `RPCSpec.md` for protocol.
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**Container Architecture:**
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```
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LXC Container (uniform base for all services)
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└── systemd
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└── container-runtime.service
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└── Loads /usr/lib/startos/package/index.js (from s9pk javascript.squashfs)
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└── Package JS launches subcontainers (from images in s9pk)
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```
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The container runtime communicates with the host via JSON-RPC over Unix socket. Package JavaScript must export functions conforming to the `ABI` type defined in `sdk/base/lib/types.ts`.
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**`/media/startos/` directory (mounted by host into container):**
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| Path | Description |
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|------|-------------|
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| `volumes/<name>/` | Package data volumes (id-mapped, persistent) |
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| `assets/` | Read-only assets from s9pk `assets.squashfs` |
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| `images/<name>/` | Container images (squashfs, used for subcontainers) |
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| `images/<name>.env` | Environment variables for image |
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| `images/<name>.json` | Image metadata |
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| `backup/` | Backup mount point (mounted during backup operations) |
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| `rpc/service.sock` | RPC socket (container runtime listens here) |
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| `rpc/host.sock` | Host RPC socket (for effects callbacks to host) |
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**S9PK Structure:** See `agents/s9pk-structure.md`
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### SDK (`/sdk`)
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TypeScript SDK for packaging services (`@start9labs/start-sdk`).
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- `base/` - Core types, ABI definitions, effects interface (`@start9labs/start-sdk-base`)
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- `package/` - Full SDK for package developers, re-exports base
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### Patch-DB (`/patch-db`)
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Git submodule providing diff-based state synchronization. Changes to `db/model/public.rs` automatically sync to the frontend.
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**Key patterns:**
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- `db.peek().await` - Get a read-only snapshot of the database state
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- `db.mutate(|db| { ... }).await` - Apply mutations atomically, returns `MutateResult`
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- `#[derive(HasModel)]` - Derive macro for types stored in the database, generates typed accessors
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**Generated accessor types** (from `HasModel` derive):
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- `as_field()` - Immutable reference: `&Model<T>`
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- `as_field_mut()` - Mutable reference: `&mut Model<T>`
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- `into_field()` - Owned value: `Model<T>`
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**`Model<T>` APIs** (from `db/prelude.rs`):
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- `.de()` - Deserialize to `T`
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- `.ser(&value)` - Serialize from `T`
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- `.mutate(|v| ...)` - Deserialize, mutate, reserialize
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- For maps: `.keys()`, `.as_idx(&key)`, `.as_idx_mut(&key)`, `.insert()`, `.remove()`, `.contains_key()`
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- **`core/`** — Rust backend daemon (startbox, start-cli, start-container, registrybox, tunnelbox)
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- **`web/`** — Angular frontend workspace (admin UI, setup wizard, marketplace, shared library)
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- **`container-runtime/`** — Node.js runtime managing service containers via JSON-RPC
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- **`sdk/`** — TypeScript SDK for packaging services (`@start9labs/start-sdk`)
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- **`patch-db/`** — Git submodule providing diff-based state synchronization
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## Supplementary Documentation
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The `agents/` directory contains detailed documentation for AI assistants:
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The `docs/` directory contains cross-cutting documentation for AI assistants:
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- `TODO.md` - Pending tasks for AI agents (check this first, remove items when completed)
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- `USER.md` - Current user identifier (gitignored, see below)
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- `rpc-toolkit.md` - JSON-RPC patterns and handler configuration
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- `core-rust-patterns.md` - Common utilities and patterns for Rust code in `/core` (guard pattern, mount guards, etc.)
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- `s9pk-structure.md` - S9PK package format structure
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- `i18n-patterns.md` - Internationalization key conventions and usage in `/core`
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- `exver.md` - Extended versioning format (used across core, sdk, and web)
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- `VERSION_BUMP.md` - Guide for bumping the StartOS version across the codebase
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Component-specific docs live alongside their code (e.g., `core/rpc-toolkit.md`, `core/i18n-patterns.md`).
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### Session Startup
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On startup:
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1. **Check for `agents/USER.md`** - If it doesn't exist, prompt the user for their name/identifier and create it. This file is gitignored since it varies per developer.
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1. **Check for `docs/USER.md`** - If it doesn't exist, prompt the user for their name/identifier and create it. This file is gitignored since it varies per developer.
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2. **Check `agents/TODO.md` for relevant tasks** - Show TODOs that either:
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2. **Check `docs/TODO.md` for relevant tasks** - Show TODOs that either:
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- Have no `@username` tag (relevant to everyone)
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- Are tagged with the current user's identifier
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