mod.rs 84.5%

202 of 239 lines run, 36 of 88 functions · run #28 on main · run missed
//! The `spectra` command line (spec §19). Output is modern: colour and
//! glyphs on a UTF-8 terminal, plain when piped, with `--plain` or with
//! `NO_COLOR`; `--json` prints one document on stdout and nothing else.

pub mod admin;
pub mod agent;
pub mod brief;
pub mod connect;
pub mod format;
pub mod human;
pub mod identity;
pub mod marks;
pub mod mcp;
pub mod open;
pub mod project;
pub mod serve;
pub mod ui;

use anyhow::{bail, Context, Result};
use clap::{Parser, Subcommand};
use std::path::PathBuf;

#[derive(Parser)]
#[command(name = "spectra", version = env!("SPECTRA_VERSION_LONG"), about = "A control plane for AI coding agents")]
pub struct Cli {
    /// Plain output: no colour or glyphs (also NO_COLOR, or when not a terminal)
    #[arg(long, global = true)]
    pub plain: bool,
    /// The data directory (default: $XDG_DATA_HOME/spectra, else ~/.local/share/spectra)
    #[arg(long, global = true, env = "SPECTRA_DATA")]
    pub data: Option<PathBuf>,
    #[command(subcommand)]
    pub command: Command,
}

#[derive(Subcommand)]
pub enum Command {
    /// The version and build of this binary
    Version {
        /// Machine-readable output
        #[arg(long)]
        json: bool,
    },
    /// Make this machine's Spectra: record the owner's identity (read from
    /// their OXY_HOME and proven by signing) and make the instance key
    Init {
        /// The owner's identity home (default: $SPECTRA_HOME, else ~/.config/spectra)
        #[arg(long)]
        owner_home: Option<PathBuf>,
        /// This instance's name (default: the host name)
        #[arg(long)]
        name: Option<String>,
        /// Set up a server without the owner's secret key: name the owner's
        /// KeyId, and they claim it from their machine with `spectra
        /// connect` (spec §8.6)
        #[arg(long, value_name = "KEYID", conflicts_with = "owner_home")]
        owner: Option<String>,
    },
    /// Use a Spectra on another machine: trust it through your delegation to
    /// its instance key, pin its certificate, and claim it if it is new
    Connect {
        /// The server, https://HOST[:PORT]
        url: String,
        /// Trust the server if its instance key starts with this, without asking
        #[arg(long, value_name = "KEYID-PREFIX")]
        expect: Option<String>,
        /// Trust it without asking (for scripts)
        #[arg(long, short = 'y')]
        yes: bool,
        /// The owner's identity home (default: $SPECTRA_HOME, else ~/.config/spectra)
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// What the agents are told: the overall brief and each project's
    Brief {
        #[command(subcommand)]
        command: BriefCmd,
    },
    /// The owner's and the instance's identities: show, refresh
    Identity {
        #[command(subcommand)]
        command: IdentityCmd,
    },
    /// Run the daemon: the ledger, Tuner on the Unix socket and a loopback port
    Serve {
        /// The address and port for browsers and HTTP clients (default:
        /// `[server] bind`, else 127.0.0.1:7350); beyond loopback, other
        /// machines connect over TLS (spec §8.6)
        #[arg(long)]
        bind: Option<String>,
        /// TLS on the TCP port: auto (beyond loopback only), on, or off
        /// (default: `[server] tls`, else auto)
        #[arg(long)]
        tls: Option<String>,
        /// Allow a non-loopback address in plain HTTP
        #[arg(long)]
        insecure: bool,
        /// Open Radar in the browser once serving (signs a link as the owner)
        #[arg(long)]
        open: bool,
    },
    /// Sign in to Radar: a one-time link signed with the owner's key
    Open {
        #[arg(long)]
        owner_home: Option<PathBuf>,
        /// Print the link without opening a browser
        #[arg(long)]
        no_browser: bool,
        /// With Spectra on another machine: the loopback port of the proxy
        /// Radar is served through (spec §8.6)
        #[arg(long, default_value_t = 7350)]
        port: u16,
    },
    /// The stdio MCP server for one agent: signs with its key and forwards to the daemon
    Mcp {
        /// The agent it speaks for
        #[arg(long)]
        agent: String,
        /// The agent's home (default: the one recorded when it was added)
        #[arg(long)]
        home: Option<PathBuf>,
    },
    /// Post a message as yourself
    Say {
        /// What to say (Markdown; @name mentions)
        body: String,
        /// The channel (default: #general)
        #[arg(short, long)]
        channel: Option<String>,
        /// Reply in the thread of this message
        #[arg(long)]
        reply_to: Option<String>,
        #[arg(long)]
        json: bool,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// Your unread mentions and direct messages; --follow waits for more
    Inbox {
        #[arg(long)]
        follow: bool,
        #[arg(long)]
        json: bool,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// Search what was said: words, "phrases", prefix*, AND/OR/NOT
    Search {
        query: String,
        #[arg(long)]
        channel: Option<String>,
        #[arg(long)]
        author: Option<String>,
        /// 7d, 3h, 30m
        #[arg(long)]
        since: Option<String>,
        #[arg(long, default_value_t = 20)]
        limit: u32,
        #[arg(long)]
        json: bool,
    },
    /// Any API call, signed as the owner: JSON out
    Api {
        method: String,
        path: String,
        /// The request body (JSON)
        #[arg(short = 'd', long = "body")]
        body: Option<String>,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// The checkouts agents work in: add, list
    Project {
        #[command(subcommand)]
        command: ProjectCmd,
    },
    /// Agents, each its owner's delegate: add, list, disable
    Agent {
        #[command(subcommand)]
        command: AgentCmd,
    },
    /// The ledger's own checks: verify, check, rebuild
    Admin {
        #[command(subcommand)]
        command: Admin,
    },
}

#[derive(Subcommand)]
pub enum IdentityCmd {
    /// Make your own identity: a key pair that signs as you (spec §8.0)
    Create {
        /// Your name, as agents and Radar show it
        #[arg(long)]
        name: String,
        /// An email or URL, if you want one shown
        #[arg(long, default_value = "")]
        contact: String,
        /// Where to keep it (default: $SPECTRA_HOME, else ~/.config/spectra)
        #[arg(long)]
        home: Option<PathBuf>,
    },
    /// The owner and the instance as the ledger knows them
    Show {
        #[arg(long)]
        json: bool,
    },
    /// Record the owner's current identity if the ledger has missed a successor
    Refresh {
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
}

#[derive(Subcommand)]
pub enum BriefCmd {
    /// Show the overall brief, or a project's
    Show {
        #[arg(long)]
        project: Option<String>,
        #[arg(long)]
        json: bool,
    },
    /// Set the overall brief, or a project's (an empty text clears it)
    Set {
        #[arg(long)]
        project: Option<String>,
        /// The text
        text: Option<String>,
        /// Read the text from a file (- for standard input)
        #[arg(long, short = 'f')]
        file: Option<PathBuf>,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// Edit it in $VISUAL or $EDITOR
    Edit {
        #[arg(long)]
        project: Option<String>,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
}

#[derive(Subcommand)]
pub enum ProjectCmd {
    /// Add a project: any kind of work, with a folder if it has one
    Add {
        /// A folder (its name becomes the project's), or just a name
        target: String,
        /// Its name, when TARGET is a folder
        #[arg(long)]
        name: Option<String>,
        /// The work's folder, when TARGET is a name; Spectra never reads it
        #[arg(long)]
        path: Option<PathBuf>,
        /// What the work is, for agents and Radar
        #[arg(long, short = 'd', default_value = "")]
        description: String,
        /// A link to it, if any
        #[arg(long)]
        url: Option<String>,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// Say that one project depends on another (`delegate to: downstream` follows links)
    Link {
        project: String,
        #[arg(long)]
        depends_on: String,
        /// Remove the link instead
        #[arg(long)]
        remove: bool,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// Every project with its links and agents
    List {
        #[arg(long)]
        json: bool,
    },
}

#[derive(Subcommand)]
pub enum AgentCmd {
    /// Make an agent's key in its own home, delegate to it, and record it
    Add {
        /// Lower-case letters, digits and dashes
        name: String,
        /// claude-code, antigravity, kimi-code, codex or other
        #[arg(long)]
        kind: String,
        /// The project it works in
        #[arg(long)]
        project: String,
        /// The agent's own identity home, where its key is made and kept
        #[arg(long)]
        home: PathBuf,
        /// Bind the key to this Unix user: a request from another is refused
        #[arg(long)]
        uid: Option<u32>,
        /// Bind the key to the Unix user of its first signed connection
        #[arg(long, conflicts_with = "uid")]
        learn_uid: bool,
        /// How long the agent may act for you: 30m, 8h, 7d (default: until disabled)
        #[arg(long)]
        expires: Option<String>,
        /// Delegate without asking (for scripts)
        #[arg(long, short = 'y')]
        yes: bool,
        /// The owner's identity home
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// Give an agent more time: delegate to its key again with a new expiry
    Renew {
        name: String,
        /// 30m, 8h, 7d, or `never`
        #[arg(long)]
        expires: String,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
    /// Every agent with its owner, key, delegation and state
    List {
        #[arg(long)]
        json: bool,
    },
    /// Refuse an agent's key from now on
    Disable {
        name: String,
        #[arg(long)]
        owner_home: Option<PathBuf>,
    },
}

#[derive(Subcommand)]
pub enum Admin {
    /// Recompute the hash chain and check every checkpoint and proof (exit 1 on any finding)
    Verify {
        /// Machine-readable output
        #[arg(long)]
        json: bool,
    },
    /// Whether the projections equal a rebuild from the ledger
    Check,
    /// Replay the ledger into every projection
    Rebuild,
}

/// What every command needs: where the data lives.
pub struct Ctx {
    pub data: PathBuf,
}

impl Ctx {
    /// The ledger's database, which must exist.
    pub fn db(&self) -> Result<PathBuf> {
        let db = self.data.join("spectra.db");
        if !db.exists() {
            bail!("no Spectra in {} (run `spectra init`, or pass --data)", self.data.display());
        }
        Ok(db)
    }

    /// The ledger, for writing: the instance key signs its checkpoints, and
    /// the lock keeps any other writer out.
    pub async fn writer(&self) -> Result<spectra_core::ledger::Ledger> {
        let db = self.db()?;
        let instance = spectra_core::keys::KeyPair::instance(&self.data, "spectra")?;
        spectra_core::ledger::Ledger::open(&db, Some(instance)).await
    }

    /// The daemon's Unix socket.
    pub fn socket(&self) -> PathBuf {
        self.data.join("spectra.sock")
    }

    /// The Spectra on another machine this one uses, if any (spec §8.6).
    pub fn remote(&self) -> Result<Option<connect::ClientCfg>> {
        connect::load()
    }

    /// Where the daemon is: the configured server, else the local socket.
    pub fn endpoint(&self) -> Result<spectra_mcp::client::Endpoint> {
        Ok(match self.remote()? {
            Some(c) => c.endpoint()?,
            None => spectra_mcp::client::Endpoint::Unix(self.socket()),
        })
    }

    /// A client signing as the owner: to the configured server (spec §8.6),
    /// or to the local daemon when it is serving; none when neither. It
    /// signs with the owner identity the ledger records, since the daemon
    /// may not know a newer one yet.
    pub async fn owner_client(&self, owner_home: &std::path::Path) -> Result<Option<spectra_mcp::client::Client>> {
        use spectra_mcp::client::Client;
        if let Some(cfg) = self.remote()? {
            let ep = cfg.endpoint()?;
            let pair = remote_owner(&ep, owner_home).await?;
            return Ok(Some(Client::at(ep, Some(pair))));
        }
        if !self.data.join("spectra.db").exists() || !Client::alive(&self.socket()).await {
            return Ok(None);
        }
        let ledger = spectra_core::ledger::Ledger::open_read_only(&self.db()?).await?;
        Ok(Some(Client::new(&self.socket(), Some(identity::recorded_owner(&ledger, owner_home).await?))))
    }

    /// Somewhere to append the owner's signed events: the configured server,
    /// the local daemon when it is serving, else straight to the ledger
    /// (spec §8.5, §8.6).
    pub async fn owner_writer(&self, owner_home: &std::path::Path) -> Result<Writer> {
        if let Some(cfg) = self.remote()? {
            let ep = cfg.endpoint()?;
            let pair = remote_owner(&ep, owner_home).await?;
            let recorded = pair.identity.clone();
            return Ok(Writer::Remote { client: Box::new(spectra_mcp::client::Client::at(ep, Some(pair))), recorded });
        }
        let db = self.db()?;
        if spectra_mcp::client::Client::alive(&self.socket()).await {
            let ledger = spectra_core::ledger::Ledger::open_read_only(&db).await?;
            let transport = identity::recorded_owner(&ledger, owner_home).await?;
            return Ok(Writer::Daemon { ledger, client: Box::new(spectra_mcp::client::Client::new(&self.socket(), Some(transport))) });
        }
        Ok(Writer::Direct(self.writer().await?))
    }

    /// Refuse a command that needs the ledger file on this machine.
    pub fn local_only(&self, what: &str) -> Result<()> {
        if self.remote()?.is_some() {
            bail!("{what} runs on the server, which holds the ledger (this machine uses {})", connect::path().display());
        }
        Ok(())
    }

    /// `[owner] home` from spectra.toml.
    pub fn config_owner_home(&self) -> Option<PathBuf> {
        let text = std::fs::read_to_string(self.data.join("spectra.toml")).ok()?;
        let t: toml::Table = text.parse().ok()?;
        t.get("owner")?.get("home")?.as_str().map(PathBuf::from)
    }
}

/// Where the owner's events go.
pub enum Writer {
    Direct(spectra_core::ledger::Ledger),
    Daemon {
        ledger: spectra_core::ledger::Ledger,
        client: Box<spectra_mcp::client::Client>,
    },
    /// A Spectra on another machine; `recorded` is the owner identity it knows.
    Remote {
        client: Box<spectra_mcp::client::Client>,
        recorded: spectra_core::identity::Identity,
    },
}

impl Writer {
    /// The ledger on this machine, for reading, if there is one.
    pub fn ledger(&self) -> Option<&spectra_core::ledger::Ledger> {
        match self {
            Writer::Direct(l) | Writer::Daemon { ledger: l, .. } => Some(l),
            Writer::Remote { .. } => None,
        }
    }

    /// A client of the daemon, when one is serving.
    pub fn client(&self) -> Option<&spectra_mcp::client::Client> {
        match self {
            Writer::Daemon { client, .. } | Writer::Remote { client, .. } => Some(client),
            Writer::Direct(_) => None,
        }
    }

    /// The rotation that brings the recorded owner to the current identity
    /// in `home`, if it has moved.
    pub async fn refresh_event(&self, home: &std::path::Path) -> Result<Option<spectra_core::event::NewEvent>> {
        match self {
            Writer::Direct(l) | Writer::Daemon { ledger: l, .. } => identity::refresh_event(l, home).await,
            Writer::Remote { recorded, .. } => identity::rotation(recorded, home),
        }
    }

    /// Append events signed over their payload, then checkpoint.
    pub async fn append(&self, events: Vec<spectra_core::event::NewEvent>) -> Result<()> {
        match self {
            Writer::Direct(l) => {
                l.append(events).await?;
                l.checkpoint().await?;
            }
            Writer::Daemon { client, .. } | Writer::Remote { client, .. } => {
                let wire: Vec<_> = events.iter().map(spectra_core::daemon::WireEvent::from_new).collect();
                let r = client.send("POST", "/api/v1/ledger/events", &[], serde_json::to_vec(&wire)?).await?;
                if r.status != 200 {
                    let why = r
                        .json()
                        .ok()
                        .and_then(|v| v.get("title").and_then(|t| t.as_str()).map(String::from))
                        .unwrap_or_else(|| String::from_utf8_lossy(&r.body).into());
                    bail!("the daemon refused: {why}");
                }
            }
        }
        Ok(())
    }
}

/// The owner identity a server records, as a key pair from the owner's
/// home: what requests to it are signed with.
async fn remote_owner(ep: &spectra_mcp::client::Endpoint, home: &std::path::Path) -> Result<spectra_core::keys::KeyPair> {
    let r = spectra_mcp::client::Client::at(ep.clone(), None).send("GET", "/api/v1/instance", &[], vec![]).await?;
    let info = r.json()?;
    let key = info.get("owner").and_then(|o| o.as_str()).context("the server has no owner yet: spectra connect claims it")?;
    let keys = home.join("keys");
    spectra_core::keys::KeyPair::load(&keys.join(format!("{key}.secret")), &keys.join(format!("{key}.identity")))
        .with_context(|| format!("the server's owner {} is not an identity in {}", &key[..12.min(key.len())], home.display()))
}

/// An API call; a refusal becomes an error that says why.
pub async fn call(c: &spectra_mcp::client::Client, method: &str, path: &str, body: Option<serde_json::Value>) -> Result<serde_json::Value> {
    let r = c.send(method, path, &[], body.map(|b| serde_json::to_vec(&b)).transpose()?.unwrap_or_default()).await?;
    let v: serde_json::Value = r.json().unwrap_or(serde_json::Value::Null);
    if r.status >= 400 {
        let why = v
            .get("detail")
            .or(v.get("title"))
            .and_then(serde_json::Value::as_str)
            .map(String::from)
            .unwrap_or_else(|| String::from_utf8_lossy(&r.body).into());
        bail!("{why}");
    }
    Ok(v)
}

/// A query string value, percent-encoded.
pub fn encode(s: &str) -> String {
    s.bytes()
        .map(|b| match b {
            b'A'..=b'Z' | b'a'..=b'z' | b'0'..=b'9' | b'-' | b'_' | b'.' | b'~' => (b as char).to_string(),
            _ => format!("%{b:02X}"),
        })
        .collect()
}

fn init_logging() {
    let filter = tracing_subscriber::EnvFilter::try_from_env("SPECTRA_LOG").unwrap_or_else(|_| tracing_subscriber::EnvFilter::new("warn"));
    tracing_subscriber::fmt().with_env_filter(filter).with_writer(std::io::stderr).init();
}

fn default_data() -> PathBuf {
    if let Ok(x) = std::env::var("XDG_DATA_HOME") {
        return PathBuf::from(x).join("spectra");
    }
    let home = std::env::var("HOME").unwrap_or_else(|_| ".".into());
    PathBuf::from(home).join(".local").join("share").join("spectra")
}

fn runtime() -> Result<tokio::runtime::Runtime> {
    Ok(tokio::runtime::Builder::new_multi_thread().enable_all().build()?)
}

pub fn run() -> Result<i32> {
    let cli = Cli::parse();
    ui::init(cli.plain);
    let ctx = Ctx { data: cli.data.unwrap_or_else(default_data) };
    match cli.command {
        Command::Version { json } => version(json),
        Command::Brief { command } => runtime()?.block_on(async {
            match command {
                BriefCmd::Show { project, json } => brief::show(&ctx, project, json).await,
                BriefCmd::Set { project, text, file, owner_home } => {
                    brief::set(&ctx, project, brief::text_of(text, file)?, owner_home).await
                }
                BriefCmd::Edit { project, owner_home } => brief::edit(&ctx, project, owner_home).await,
            }
        }),
        Command::Connect { url, owner_home, expect, yes } => runtime()?.block_on(connect::connect(&ctx, &url, owner_home, expect, yes)),
        Command::Init { owner_home, name, owner: Some(key) } => {
            let _ = owner_home;
            runtime()?.block_on(identity::init_for(&ctx, &key, name))
        }
        Command::Init { owner_home, name, owner: None } => runtime()?.block_on(identity::init(&ctx, owner_home, name)),
        Command::Identity { command } => runtime()?.block_on(async {
            match command {
                IdentityCmd::Create { name, contact, home } => identity::create(&name, &contact, home),
                IdentityCmd::Show { json } => identity::show(&ctx, json).await,
                IdentityCmd::Refresh { owner_home } => identity::refresh(&ctx, owner_home).await,
            }
        }),
        Command::Serve { bind, tls, insecure, open } => {
            init_logging();
            runtime()?.block_on(serve::serve(&ctx, bind, tls, insecure, open))
        }
        Command::Open { owner_home, no_browser, port } => runtime()?.block_on(async {
            if ctx.remote()?.is_some() {
                open::open_remote(&ctx, owner_home, !no_browser, port).await
            } else {
                open::open(&ctx, owner_home, !no_browser).await
            }
        }),
        Command::Mcp { agent, home } => runtime()?.block_on(mcp::run(&ctx, &agent, home)),
        Command::Say { body, channel, reply_to, json, owner_home } => {
            runtime()?.block_on(human::say(&ctx, channel, reply_to, body, owner_home, json))
        }
        Command::Inbox { follow, json, owner_home } => runtime()?.block_on(human::inbox(&ctx, follow, owner_home, json)),
        Command::Search { query, channel, author, since, limit, json } => {
            runtime()?.block_on(human::search(&ctx, &query, channel, author, since, limit, json))
        }
        Command::Api { method, path, body, owner_home } => runtime()?.block_on(human::raw(&ctx, &method, &path, body, owner_home)),
        Command::Project { command } => runtime()?.block_on(async {
            match command {
                ProjectCmd::Add { target, name, path, description, url, owner_home } => {
                    project::add(&ctx, project::Add { target, name, path, description, url }, owner_home).await
                }
                ProjectCmd::Link { project, depends_on, remove, owner_home } => {
                    project::link(&ctx, &project, &depends_on, remove, owner_home).await
                }
                ProjectCmd::List { json } => project::list(&ctx, json).await,
            }
        }),
        Command::Agent { command } => runtime()?.block_on(async {
            match command {
                AgentCmd::Add { name, kind, project, home, uid, learn_uid, expires, yes, owner_home } => {
                    agent::add(&ctx, agent::Add { name, kind, project, home, uid, learn_uid, expires, yes, owner_home }).await
                }
                AgentCmd::Renew { name, expires, owner_home } => agent::renew(&ctx, &name, &expires, owner_home).await,
                AgentCmd::List { json } => agent::list(&ctx, json).await,
                AgentCmd::Disable { name, owner_home } => agent::disable(&ctx, &name, owner_home).await,
            }
        }),
        Command::Admin { command } => runtime()?.block_on(async {
            match command {
                Admin::Verify { json } => admin::verify(&ctx, json).await,
                Admin::Check => admin::check(&ctx).await,
                Admin::Rebuild => admin::rebuild(&ctx).await,
            }
        }),
    }
}

fn version(as_json: bool) -> Result<i32> {
    if as_json {
        println!(
            "{}",
            serde_json::json!({
                "version": env!("CARGO_PKG_VERSION"),
                "build": env!("SPECTRA_BUILD_ID"),
                "mcp_protocol_versions": spectra_mcp::PROTOCOL_VERSIONS,
                "ledger_format": spectra_core::LEDGER_FORMAT,
            })
        );
    } else {
        println!("spectra {}", env!("SPECTRA_VERSION_LONG"));
    }
    Ok(0)
}
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