79 lines
3.2 KiB
Markdown
79 lines
3.2 KiB
Markdown
# Conventions
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Code-style and process expectations across the workspace. Most of these
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exist because something already went wrong without them.
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## Naming
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- Containers are length-bounded by `nixos-container` (≤ 11 chars).
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- Sub-agents are `h-<name>` with `<name>` ≤ 9 chars.
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- The manager is `hm1nd` (no `h-` prefix, fixed name).
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- `MAX_AGENT_NAME` in `lifecycle.rs` enforces the cap.
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- Per-agent web UI port = `WEB_PORT_BASE + FNV1a(name) % WEB_PORT_RANGE`
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(8100..8999); manager fixed at 8000; dashboard `cfg.dashboardPort`
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(default 7000).
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## Identity = socket
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There are no auth tokens on the per-agent unix sockets. The socket
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*path* identifies the principal; perms come from "who has the
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bind-mount." A sub-agent only sees its own `/run/hive/mcp.sock`; the
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manager has access to its privileged socket; hive-c0re owns the host
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admin socket.
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## Wire protocol
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JSON line-delimited over unix sockets in both directions (host admin
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/ manager / agent). SSE streams (`/dashboard/stream` on hive-c0re,
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`/events/stream` on the per-agent web UIs) are `text/event-stream`;
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each frame carries a `seq` field for the snapshot-dedupe dance
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(see `docs/web-ui.md`). Request/response types live in `hive-sh4re`
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— change them in one place. The dashboard event vocabulary lives
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in `hive-c0re::dashboard_events::DashboardEvent`.
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## Async forms
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Dashboard + per-agent mutating forms carry `data-async`; a delegated
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`submit` listener in `assets/app.js` intercepts, shows a spinner,
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POSTs `application/x-www-form-urlencoded` (axum's `Form` extractor
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rejects multipart), calls `refreshState()` on success. New mutating
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forms should add `data-async` and optionally `data-confirm` (for a
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JS-side `confirm()` prompt) or `data-prompt="…"` (for a
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`window.prompt()` whose answer goes into a hidden input named by
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`data-prompt-field`, default `note`).
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`refreshState` defers automatically when `document.activeElement`
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sits inside a managed section so the operator's typing isn't lost;
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collapsible `<details data-restore-key=…>` survive the re-render
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via `snapshotOpenDetails` / `restoreOpenDetails`.
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## `rebuild` is the reconcile verb
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`lifecycle::rebuild` idempotently rewrites
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`/etc/nixos-containers/<C>.conf` (`PRIVATE_NETWORK=0`, clears
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`HOST_ADDRESS` / `LOCAL_ADDRESS`, sets `EXTRA_NSPAWN_FLAGS`),
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regenerates `applied/<name>/flake.nix`, writes the systemd limits
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drop-in, then `nixos-container update` + stop + start.
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Anything that changes per-container state on the host should be
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re-applied here so a manual `↻ R3BU1LD` from the dashboard is
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sufficient to recover.
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## Actions are factored
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`approve` / `deny` / `destroy` (and the lifecycle helper) live in
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`actions.rs` / `dashboard.rs`. The admin socket and the dashboard
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POST handlers both call into them so the two surfaces never drift.
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## Commit messages
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Short, lowercase, no `Co-Authored-By` trailer. Imperative mood, no
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period. Body explains *why* if non-obvious; otherwise the subject
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alone is fine. Wrap at ~72 cols.
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## Commit before test
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Stage and commit when work *looks* ready, then run validation
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(`cargo check`, `nix flake check`, real deploy). Failures get a
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follow-up commit rather than an amend. The commit history is the
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work log; rewriting it loses signal.
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