aether_cli/headless/
mod.rs

1pub mod error;
2pub mod run;
3
4use aether_core::agent_spec::{AgentSpec, McpConfigSource};
5use aether_project::{AetherSettings, AgentCatalog, TelemetrySettings};
6use aether_telemetry::AgentTraceContext;
7use error::CliError;
8use llm::{ProviderConnectionOverride, ProviderConnectionOverrides};
9use mcp_utils::client::McpConfig;
10use schemars::JsonSchema;
11use serde::{Deserialize, Serialize};
12use std::collections::BTreeMap;
13use std::io::{IsTerminal, Read as _, stdin};
14use std::path::PathBuf;
15use std::process::ExitCode;
16
17use crate::credentials::oauth_credential_store_from_config;
18use crate::mcp_config_args::McpConfigArgs;
19use crate::output::OutputFormat;
20use crate::provider_connection_args::ProviderConnectionArgs;
21use crate::resolve::{AgentSelectionError, InitialSessionSelection, resolve_agent_from_settings};
22use crate::settings_args::SettingsSourceArgs;
23use aether_auth::OAuthCredentialStorage;
24use std::sync::Arc;
25
26#[derive(Clone, Copy, PartialEq, Eq, Debug, clap::ValueEnum, Deserialize, Serialize, JsonSchema)]
27#[clap(rename_all = "snake_case")]
28#[serde(rename_all = "snake_case")]
29pub enum CliEventKind {
30    Text,
31    Thought,
32    ToolCall,
33    ToolResult,
34    ToolError,
35    AutoContinue,
36    ModelSwitched,
37    ToolProgress,
38    ContextCompactionStarted,
39    ContextCompactionEnded,
40    ContextCompactionResult,
41    ContextUsage,
42    ContextCleared,
43    TurnStarted,
44    TurnEnded,
45    LlmRetryScheduled,
46    LlmCallStarted,
47    LlmCallEnded,
48    ToolExecutionStarted,
49    ToolDefinitionsUpdated,
50}
51
52pub struct RunConfig {
53    pub prompt: String,
54    pub cwd: PathBuf,
55    pub mcp_config_sources: Vec<McpConfigSource>,
56    pub spec: AgentSpec,
57    pub agent_catalog: AgentCatalog,
58    pub system_prompt: Option<String>,
59    pub output: OutputFormat,
60    pub verbose: bool,
61    pub events: Vec<CliEventKind>,
62    pub oauth_credential_store: Arc<dyn OAuthCredentialStorage>,
63    pub telemetry: Option<TelemetrySettings>,
64    pub trace_context: Option<AgentTraceContext>,
65}
66
67#[derive(Clone, Debug, Default, Deserialize, Serialize, JsonSchema)]
68#[serde(rename_all = "camelCase", deny_unknown_fields)]
69pub struct HeadlessOptions {
70    #[serde(default, skip_serializing_if = "Option::is_none")]
71    pub prompt: Option<String>,
72    #[serde(default, skip_serializing_if = "Option::is_none")]
73    pub cwd: Option<PathBuf>,
74    #[serde(default, skip_serializing_if = "Option::is_none")]
75    pub providers: Option<BTreeMap<String, ProviderConnectionOverride>>,
76    #[serde(default, skip_serializing_if = "Option::is_none")]
77    pub settings: Option<AetherSettings>,
78    #[serde(default, skip_serializing_if = "Option::is_none")]
79    pub settings_file: Option<PathBuf>,
80    #[serde(default, skip_serializing_if = "Option::is_none")]
81    pub agent: Option<String>,
82    #[serde(default, skip_serializing_if = "Option::is_none")]
83    pub model: Option<String>,
84    #[serde(default, skip_serializing_if = "Option::is_none")]
85    pub mcp_config: Option<McpConfig>,
86    #[serde(default, skip_serializing_if = "Option::is_none")]
87    pub system_prompt: Option<String>,
88    #[serde(default, skip_serializing_if = "Option::is_none")]
89    pub output: Option<OutputFormat>,
90    #[serde(default, skip_serializing_if = "Option::is_none")]
91    pub verbose: Option<bool>,
92    #[serde(default, skip_serializing_if = "Option::is_none")]
93    pub events: Option<Vec<CliEventKind>>,
94    #[serde(default, skip_serializing_if = "Option::is_none")]
95    pub trace_context: Option<AgentTraceContext>,
96}
97
98pub async fn run_headless(args: HeadlessArgs) -> Result<ExitCode, CliError> {
99    run::run(RunConfig::from_args(args)?).await
100}
101
102#[derive(clap::Args)]
103pub struct HeadlessArgs {
104    #[arg(long = "options-json", value_name = "JSON", hide = true)]
105    pub options_json: Option<String>,
106
107    /// Prompt to send (reads stdin if omitted and stdin is not a TTY)
108    pub prompt: Vec<String>,
109
110    /// Named agent from settings.json (defaults to first user-invocable agent)
111    #[arg(short = 'a', long = "agent")]
112    pub agent: Option<String>,
113
114    /// Model for ad-hoc runs (e.g. "anthropic:claude-sonnet-4-5"). Mutually exclusive with --agent.
115    #[arg(short, long)]
116    pub model: Option<String>,
117
118    /// Working directory
119    #[arg(short = 'C', long = "cwd", default_value = ".")]
120    pub cwd: PathBuf,
121
122    #[command(flatten)]
123    pub settings_source: SettingsSourceArgs,
124
125    #[command(flatten)]
126    pub provider_connection: ProviderConnectionArgs,
127
128    #[command(flatten)]
129    pub mcp_config: McpConfigArgs,
130
131    /// Additional system prompt
132    #[arg(long = "system-prompt")]
133    pub system_prompt: Option<String>,
134
135    /// Output format
136    #[arg(long, default_value = "text")]
137    pub output: OutputFormat,
138
139    /// Verbose diagnostic logging to stderr.
140    #[arg(short, long)]
141    pub verbose: bool,
142
143    /// Comma-separated list of events to emit (e.g. `tool_call,tool_result,turn_ended`).
144    /// Omit to emit every output event. When set, turn outcomes are only shown if `turn_ended` is listed.
145    #[arg(long = "events", value_enum, value_delimiter = ',')]
146    pub events: Vec<CliEventKind>,
147}
148
149impl RunConfig {
150    fn from_args(args: HeadlessArgs) -> Result<Self, CliError> {
151        if let Some(json) = args.options_json {
152            return Self::from_options(serde_json::from_str(&json).map_err(CliError::InvalidOptionsJson)?);
153        }
154
155        let prompt = resolve_prompt(&args)?;
156        let cwd = args.cwd.canonicalize().map_err(CliError::IoError)?;
157        let settings = args.settings_source.load_settings(&cwd)?;
158        let provider_connections = args.provider_connection.clone().into_overrides();
159        let oauth_credential_store = oauth_credential_store_from_config(settings.credentials_store.clone())?;
160        let telemetry = settings.telemetry.clone();
161        let selection = match (args.agent, args.model) {
162            (Some(agent), None) => InitialSessionSelection::Agent(agent),
163            (None, Some(model)) => InitialSessionSelection::Model { model, reasoning_effort: None },
164            (None, None) => InitialSessionSelection::Default,
165            (Some(_), Some(_)) => {
166                return Err(CliError::ConflictingArgs("Cannot specify both --agent and --model".to_string()));
167            }
168        };
169        let resolved = resolve_agent_from_settings(&cwd, settings, provider_connections, &selection)
170            .map_err(map_selection_error)?;
171        let mcp_config_sources = args.mcp_config.sources(&cwd);
172
173        Ok(Self {
174            prompt,
175            cwd,
176            mcp_config_sources,
177            spec: resolved.spec,
178            agent_catalog: resolved.catalog,
179            system_prompt: args.system_prompt,
180            output: args.output,
181            verbose: args.verbose,
182            events: args.events,
183            oauth_credential_store,
184            telemetry,
185            trace_context: None,
186        })
187    }
188
189    fn from_options(options: HeadlessOptions) -> Result<Self, CliError> {
190        let prompt = options.prompt.ok_or(CliError::NoPrompt)?;
191        let cwd = options.cwd.unwrap_or_else(|| PathBuf::from(".")).canonicalize().map_err(CliError::IoError)?;
192        let settings_source = SettingsSourceArgs::from_json_options(options.settings, options.settings_file)?;
193        let settings = settings_source.load_settings(&cwd)?;
194        let provider_connections = ProviderConnectionOverrides::new(options.providers.unwrap_or_default());
195        let oauth_credential_store = oauth_credential_store_from_config(settings.credentials_store.clone())?;
196        let telemetry = settings.telemetry.clone();
197        let selection = match (options.agent, options.model) {
198            (Some(agent), None) => InitialSessionSelection::Agent(agent),
199            (None, Some(model)) => InitialSessionSelection::Model { model, reasoning_effort: None },
200            (None, None) => InitialSessionSelection::Default,
201            (Some(_), Some(_)) => {
202                return Err(CliError::ConflictingArgs("Cannot specify both --agent and --model".to_string()));
203            }
204        };
205        let resolved = resolve_agent_from_settings(&cwd, settings, provider_connections, &selection)
206            .map_err(map_selection_error)?;
207        let mcp_config_sources = options
208            .mcp_config
209            .map(|config| serde_json::to_string(&config).expect("mcp config serialize"))
210            .map(McpConfigSource::Json)
211            .into_iter()
212            .collect();
213
214        Ok(Self {
215            prompt,
216            cwd,
217            mcp_config_sources,
218            spec: resolved.spec,
219            agent_catalog: resolved.catalog,
220            system_prompt: options.system_prompt,
221            output: options.output.unwrap_or(OutputFormat::Text),
222            verbose: options.verbose.unwrap_or(false),
223            events: options.events.unwrap_or_default(),
224            oauth_credential_store,
225            telemetry,
226            trace_context: options.trace_context,
227        })
228    }
229}
230
231fn resolve_prompt(args: &HeadlessArgs) -> Result<String, CliError> {
232    match args.prompt.as_slice() {
233        args if !args.is_empty() => Ok(args.join(" ")),
234
235        _ if !stdin().is_terminal() => {
236            let mut buf = String::new();
237            stdin().read_to_string(&mut buf).map_err(CliError::IoError)?;
238
239            match buf.trim() {
240                "" => Err(CliError::NoPrompt),
241                s => Ok(s.to_string()),
242            }
243        }
244        _ => Err(CliError::NoPrompt),
245    }
246}
247
248fn map_selection_error(error: AgentSelectionError) -> CliError {
249    match error {
250        AgentSelectionError::Settings(error) => CliError::Settings(error),
251        AgentSelectionError::Agent(error) => CliError::AgentError(error.to_string()),
252        AgentSelectionError::Model(error) => CliError::ModelError(error),
253    }
254}
aether_cli/headless/mod.rs

aether_cli/headless/
mod.rs
