jochen
4295aad88e
Awaited at import, a bucket not yet on the bus — or a grant the bus had not reloaded — answered after the runtime's 10s handshake, and the module was left unserved on its first assignment. Also cites module state as ADR 0201, as hq main numbers it (folds #256).
75 lines
4.6 KiB
Markdown
75 lines
4.6 KiB
Markdown
# claude-code
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The operator's agent on a machine (novox/hq design 36): its package, its machine-wide managed
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configuration, and the consumer side of the Anthropic licence manager (design 39, ADR 0183).
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## What it owns
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Two directories, declared, so the mesh refuses a second module owning either:
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- `/etc/claude-code`, the agent's machine-wide managed directory, root's, `0755`.
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- `~/.claude` under the operator account's home, the operator's, `0700`. The module owns the directory —
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that it exists, who owns it, its mode — and of what is inside only what it writes. Everything else
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in it (memory, history, projects, local settings, a person's own rules and skills) is the person's
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and is never read or written (hq ADR 0182). Unassigned, the module leaves the directory: the host
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removes a directory only when it is empty.
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## What it writes
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Under the agent's managed directory, `/etc/claude-code`, owned whole by this module and rewritten
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whenever the node's tool runtime collects the module's tools:
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| file | holds |
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| `managed-mcp.json` | the tool servers every session loads: the mesh's console as `mesh`, and the servers set in this module's `mcp_servers` setting. **Exclusive**: a server not listed here does not load — not one added with `claude mcp add`, not a project's `.mcp.json`, not a plugin's |
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| `managed-settings.json` | the repositories' attribution convention, the claude.ai connectors kept beside the managed servers, and the key-helper while the node holds an API-key licence |
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| `CLAUDE.md` | how a session on this mesh works, this node's name and role, the conventions |
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Under the operator's home, only `~/.claude/.credentials.json`, and only when the licence manager hands
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this node a subscription token. Nothing else under the home is read or written.
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## Over NATS
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Everything between this module and the rest of the mesh is NATS, in three kinds: an **event** says that
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something happened and carries no secret, because a stream keeps it; a **request** carries a token,
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because nothing keeps it (hq design 32 §10); and **state** is the current value of something every node
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must see, a node that joins later included — kept, so it carries no secret either (hq ADR 0201).
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| what | how |
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| the licence manager rotated a licence, or switched this node | its `licence.rotated` / `licence.switched` event; this module then asks `anthropic-licence-manager.current` for its token, sealed to the key it sends |
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| this node starts | it asks `current` once, so a node that was off catches up |
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| a person ran `/login` here | the credentials file gains a refresh token this module never writes; it asks `anthropic-licence-manager.adopt` at once with the grant sealed to the manager's key — the one time a refresh token travels, because the login made the manager's stale |
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| an MCP server registered through this module | a key in the module's `servers` state — `all.<server>` for every node, `<node>.<server>` for one; every node watches it and renders what applies to it, a node's own entry over the one for every node. A node that joins later, or was off, reads the whole current set at start; unregistering is a delete. An entry with a secret in its `env` or `headers` is refused by the runtime |
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## Tools
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`claude_code_status`, `claude_code_render`, `claude_code_pull`, `claude_code_mcp_list`,
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`claude_code_mcp_register` (this node by default; `nodes: "all"` or a list for more — called for this
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node alone, its answer names the other nodes running claude-code), `claude_code_mcp_unregister`.
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## Settings
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Per node or for the whole mesh, through `mesh-controller.settings module=claude-code`:
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- `role` — what this node is, in a few words; shown to every session.
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- `mcp_servers` — extra tool servers, set by the operator for the mesh or a node, beside the ones
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registered through the tools; keyed by name, in the vendor's `.mcp.json` entry shape
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(`{"type":"http","url":…}` or `{"type":"stdio","command":…,"args":[…]}`). The name `mesh` is the
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module's own and cannot be set. Put a person's own servers here, or they stop loading.
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## On a machine that carried the predecessor
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Remove these by hand, once; the mesh removes nothing it did not make (ADR 0182):
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- `~/.claude/CLAUDE.md`
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- `~/.claude/rules/00-hal-mesh.md`, `~/.claude/rules/conventions.md`
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- `~/.claude/skills/cleanup/`, `~/.claude/skills/hal-switch-license/`
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- the hand-made console entry in `~/.claude.json` under `mcpServers` — it is ignored now anyway
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## Escalation
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Writing `/etc/claude-code` needs root. The runtime runs as the operator account, and the module uses
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that account's passwordless `sudo`; on a machine without it, `claude_code_render` says so and nothing
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is written.
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