313 lines
14 KiB
Nix
313 lines
14 KiB
Nix
# Per-agent matrix integration: the `hyperhive.matrix.*` +
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# `hyperhive.matrixAccounts` options, the long-running
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# hive-matrix-daemon (serves its MCP tools directly over
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# streamable-http), its token-arrival path trigger, and the
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# auto-injected extraMcpServers entry.
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{
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pkgs,
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lib,
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config,
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...
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}:
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let
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userName = config.hyperhive.user.name;
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# Single source of truth for the default matrix homeserver URL, shared
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# by the `hyperhive.matrix.url` option default and the daemon-unit guard
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# that decides whether to set a unit-level HIVE_MATRIX_URL (so the two
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# cannot drift). Matches the daemon's own built-in default
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# (`paths::DEFAULT_HOMESERVER`).
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matrixUrlDefault = "http://localhost:8008";
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# Rasterize the operator-set agent icon (`hyperhive.icon`, an SVG) to a
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# 512x512 PNG so the matrix daemon can upload it as each account's avatar
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# over the live authenticated Client (see hive-matrix-mcp::client::sync_avatar).
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# Only forced when an icon is configured — the `HIVE_ICON_PNG` daemon-env
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# entry is gated on `hyperhive.icon != null`, so this binding stays lazy
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# when no icon is set.
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iconPng = pkgs.runCommand "hive-agent-icon.png" { nativeBuildInputs = [ pkgs.librsvg ]; } ''
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rsvg-convert -f png -w 512 -h 512 ${config.hyperhive.icon} -o $out
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'';
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in
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{
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options.hyperhive.matrix.enable = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = ''
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Enable per-agent matrix integration via `hive-matrix-daemon`.
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When true (the default), the harness:
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- runs `hive-matrix-daemon` as a systemd unit that holds a
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matrix-sdk Client + sync against the homeserver at
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`HIVE_MATRIX_URL` (default `http://localhost:8008` — the
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in-host tuwunel from `nix/host-modules/hive-matrix.nix`). The
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daemon auto-skips when `<state>/matrix-token` is missing,
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and a `systemd.paths` watcher restarts it the moment
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hive-c0re provisions the token (same path-trigger shape
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as `forge-avatar-sync`).
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- exposes the matrix tool surface (send_message, send_dm,
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send_reaction, send_reply, mark_read, list_rooms,
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list_room_members, read_room) to claude via an auto-injected
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`extraMcpServers.matrix` entry pointed at the daemon's own
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streamable-http listener (`hyperhive.mcp.matrixHttpPort`) — no
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stdio bridge, no per-turn respawn, same shape as the built-in
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hyperhive surface and `hive-bash-daemon`.
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- wakes the agent on incoming room events via a short teaser
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Wake signal (`[matrix] <sender> in <room>: <first 100c>…`)
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to the hyperhive control socket; the full event stays
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unread server-side until `read_room` consumes it.
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Set to `false` for agents that should NOT have matrix tools at
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all (e.g. agents on a host without `hyperhive.matrix.enable` on
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the meta side). When token file is absent the daemon and MCP
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both no-op cleanly anyway, so `false` is rarely necessary.
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'';
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};
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options.hyperhive.matrix.url = lib.mkOption {
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type = lib.types.str;
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default = matrixUrlDefault;
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example = "https://matrix.darkest.space";
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description = ''
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Matrix homeserver URL the agent's `hive-matrix-daemon` connects
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to. At runtime hive-c0re forwards the isolation-aware URL
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(`matrix.<domain>` via the gateway) so isolated agents reach
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the homeserver without crossing host loopback. Override
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per-agent when an agent should talk to an external homeserver
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instead (e.g. a federation-only setup or a remote hive's
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tuwunel reached via a vpn).
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'';
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};
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options.hyperhive.matrixAccounts = lib.mkOption {
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type = lib.types.attrsOf (
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lib.types.submodule {
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options = {
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tokenFile = lib.mkOption {
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type = lib.types.str;
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example = "/agents/dmatrix/state/matrix-token-ccc";
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description = ''
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Path to this account's bearer-token file. The daemon reads
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the token from here to restore the matrix session; how the
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file gets populated is the provisioner's concern (an
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operator-supplied secret for an external account). The
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daemon skips an extra account whose token file is absent.
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'';
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};
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sessionDir = lib.mkOption {
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type = lib.types.str;
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example = "/agents/dmatrix/state/matrix-sdk-state-ccc";
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description = ''
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Per-account matrix-sdk sqlite store directory (crypto keys
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+ event cache). Must differ between accounts so their
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sessions do not collide.
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'';
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};
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homeserver = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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example = "https://matrix.example.org";
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description = ''
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Homeserver URL for this account. When null (the default),
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the account falls back to `hyperhive.matrix.url`. Set it for
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an account on a different homeserver than the agent's
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default (e.g. an external public-matrix account).
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'';
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};
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};
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}
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);
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default = { };
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example = lib.literalExpression ''
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{
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ccc = {
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tokenFile = "/agents/dmatrix/state/matrix-token-ccc";
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sessionDir = "/agents/dmatrix/state/matrix-sdk-state-ccc";
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homeserver = "https://matrix.example.org";
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};
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}
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'';
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description = ''
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Declare *additional* matrix accounts served by the single
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`hive-matrix-daemon` (one matrix-sdk Client + sync loop each),
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beyond the agent's built-in hive-internal account. The
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attribute name keys each account (unique by construction) and is
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the handle the matrix MCP tools target via their `account`
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argument.
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The **hive-internal account is always present and is the primary**:
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it is named `main`, synthesized by the daemon from
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`hyperhive.matrix.url` + `<state>/matrix-token` +
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`<state>/matrix-sdk-state`, and is the account a tool call acts as
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when it omits `account`. You never declare it here --- this option
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is only for the extras (e.g. an external public-matrix account).
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Leave empty (the default) for the common single-account case: the
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agent then has only `main`. When non-empty, the extras are
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serialized to the daemon's `HIVE_MATRIX_ACCOUNTS` environment
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variable and the daemon appends them after `main`. Requires
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`hyperhive.matrix.enable` (there is no `main` to extend otherwise).
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'';
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};
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options.hyperhive.mcp.matrixHttpPort = lib.mkOption {
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type = lib.types.port;
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default = 8792;
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example = 8793;
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description = ''
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Loopback port `hive-matrix-daemon` serves its MCP tools
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(`send_message`, `list_rooms`, `read_room`, …) on. Same shape as
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`hyperhive.mcp.bashHttpPort`: HTTP is the *sole* transport (no
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stdio bridge — the daemon that owns the matrix-sdk `Client`
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registry serves the MCP tools directly in-process),
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`Restart = "always"` keeps the listener self-healing, and
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loopback-only binding means no auth token is needed (same
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`allowed_hosts` reasoning as `hyperhive.mcp.httpPort`). Safe as a
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single fixed default across all agents (private per-container
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network namespace — see docs/network.md).
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'';
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};
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config = {
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assertions = [
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# Extra matrix accounts only make sense alongside the hive-internal
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# `main` account they extend, which exists only when matrix is
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# enabled.
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{
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assertion = config.hyperhive.matrixAccounts == { } || config.hyperhive.matrix.enable;
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message =
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"hyperhive.matrixAccounts requires hyperhive.matrix.enable = true "
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+ "(the extras extend the hive-internal `main` account, which only "
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+ "exists when matrix is enabled).";
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}
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# `main` is reserved for the synthesized hive-internal account; a
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# declared extra by that name would silently collide with it.
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{
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assertion = !builtins.hasAttr "main" config.hyperhive.matrixAccounts;
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message =
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"hyperhive.matrixAccounts cannot contain a key named \"main\" "
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+ "--- that name is reserved for the hive-internal account.";
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}
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# Token files must land at the `matrix-token*` name the daemon
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# path-watcher globs (`/agents/*/state/matrix-token*`), or the account
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# never gets picked up live (it loads only on a full daemon restart).
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# Enforce the basename prefix so a deviating name (e.g.
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# `matrix-catgirl-token`) is caught at build time, not silently.
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{
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assertion = lib.all (a: lib.hasPrefix "matrix-token" (baseNameOf a.tokenFile)) (
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lib.attrValues config.hyperhive.matrixAccounts
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);
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message =
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"every hyperhive.matrixAccounts.<name>.tokenFile basename must start with "
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+ "\"matrix-token\" so the daemon path-watcher glob "
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+ "(/agents/*/state/matrix-token*) picks it up live. Offending: "
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+ lib.concatStringsSep ", " (
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lib.mapAttrsToList (n: a: "${n}=${baseNameOf a.tokenFile}") (
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lib.filterAttrs (
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_n: a: !lib.hasPrefix "matrix-token" (baseNameOf a.tokenFile)
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) config.hyperhive.matrixAccounts
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)
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)
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+ ".";
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}
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];
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# Auto-inject the matrix MCP entry alongside the bash entry from
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# ./mcp.nix. `lib.mkDefault` so the operator's own agent.nix can
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# override it. Points at the daemon's own persistent
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# streamable-http listener — no stdio bridge, no per-turn spawn.
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hyperhive.extraMcpServers = lib.mkIf config.hyperhive.matrix.enable {
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matrix = lib.mkDefault {
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type = "http";
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url = "http://127.0.0.1:${toString config.hyperhive.mcp.matrixHttpPort}/mcp";
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allowedTools = [ "*" ];
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};
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};
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# Long-running matrix-sdk client + sync per agent. Serves the MCP
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# tools directly over streamable-http + emits hyperhive wake
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# signals on incoming room events via `/run/hive/mcp.sock`. See
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# `docs/persistence.md::Matrix per-agent daemon + token-arrival
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# trigger` for the first-boot-ordering rationale.
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systemd.services.hive-matrix-daemon = lib.mkIf config.hyperhive.matrix.enable {
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description = "long-running matrix-sdk Client + MCP daemon";
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wantedBy = [ "multi-user.target" ];
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before = [ "hive-agent.service" ];
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after = [ "network-online.target" ];
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wants = [ "network-online.target" ];
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environment = {
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# In-agent todo socket the harness serves (loose-ends v2): the
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# matrix sweep pushes unread-room + pending-invite todos here
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# instead of firing wakes at hive-c0re's mcp.sock.
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HIVE_AGENT_SOCKET = "/run/hive-agent/${userName}/agent.sock";
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RUST_LOG = "info";
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}
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# Homeserver URL: by default the daemon inherits the host-forwarded
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# HIVE_MATRIX_URL (set by hive-c0re to `matrix.<domain>` via the
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# gateway, since agents run in private netns and can't reach host
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# loopback directly), falling back to the daemon's built-in
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# localhost default if the forward is absent. A per-agent
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# `hyperhive.matrix.url` override (non-default) is set unit-level
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# so it wins over the forwarded value; at the default we
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# deliberately DON'T set it so the forwarded value isn't shadowed.
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// lib.optionalAttrs (config.hyperhive.matrix.url != matrixUrlDefault) {
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HIVE_MATRIX_URL = config.hyperhive.matrix.url;
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}
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# Multi-account: serialize the *extra* accounts to the JSON the
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# daemon parses (`accounts::configured`). Only set when extras are
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# declared; the daemon always synthesizes the primary `main`
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# (hive-internal) account itself from the per-agent paths and
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# prepends it, so we emit extras only. Each entry is in the
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# daemon's `AccountCfg` serde shape: name (the attr key) /
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# token_file / state_dir / optional homeserver.
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// lib.optionalAttrs (config.hyperhive.matrixAccounts != { }) {
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HIVE_MATRIX_ACCOUNTS = builtins.toJSON (
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lib.mapAttrsToList (
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name: a:
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{
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inherit name;
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token_file = a.tokenFile;
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state_dir = a.sessionDir;
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}
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// lib.optionalAttrs (a.homeserver != null) { inherit (a) homeserver; }
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) config.hyperhive.matrixAccounts
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);
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}
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# Rasterized agent icon path for the daemon's avatar sync. Only set
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# when an icon is configured; absent → the daemon skips avatar setting
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# (hive-matrix-mcp::client::sync_avatar returns early on unset env).
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// lib.optionalAttrs (config.hyperhive.icon != null) {
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HIVE_ICON_PNG = "${iconPng}";
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};
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serviceConfig = {
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ExecStart = "${config.hyperhive.packages.hive-matrix-daemon}/bin/hive-matrix-daemon --http 127.0.0.1:${toString config.hyperhive.mcp.matrixHttpPort}";
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SyslogIdentifier = "hive-matrix-daemon";
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# `on-failure`, not `always`: the daemon deliberately exits 0
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# (a clean, non-failure exit) when no token is provisioned yet
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# (see the module doc above) — the `systemd.paths` watcher
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# below re-fires it the moment hive-c0re provisions one,
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# instead of `always` busy-looping every `RestartSec` until
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# then. Once a token exists this is no different from
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# `hive-bash-daemon`'s reasoning (a down window loses the MCP
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# tools with no stdio fallback) — a genuine crash is a
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# non-zero exit, which `on-failure` already restarts.
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Restart = "on-failure";
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RestartSec = 5;
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User = userName;
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Group = userName;
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};
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};
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# Re-fire the daemon when the matrix token appears (hive-c0re
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# provisions it after agent containers come up). Without this
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# the daemon would exit 0 silently on first boot and the MCP
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# would have no backend until next restart. See
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# `docs/persistence.md` (same section as above).
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systemd.paths.hive-matrix-daemon = lib.mkIf config.hyperhive.matrix.enable {
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description = "trigger hive-matrix-daemon when a matrix token appears";
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wantedBy = [ "multi-user.target" ];
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# `matrix-token*` (not just `matrix-token`) so a secondary
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# multi-account token (e.g. `matrix-token-ccc`) landing also
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# re-fires the daemon to pick up the freshly-provisioned account.
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pathConfig.PathExistsGlob = "/agents/*/state/matrix-token*";
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};
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};
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}
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