aether_cli/headless/
mod.rs

1pub mod error;
2pub mod run;
3
4use aether_core::agent_spec::AgentSpec;
5use aether_core::mcp::McpConfig;
6use aether_project::{AetherSettings, AgentCatalog, TelemetrySettings};
7use aether_telemetry::AgentTraceContext;
8use error::CliError;
9use llm::{ProviderConnectionOverride, ProviderConnectionOverrides};
10use schemars::JsonSchema;
11use serde::{Deserialize, Serialize};
12use std::collections::BTreeMap;
13use std::path::PathBuf;
14use std::process::ExitCode;
15
16use crate::credentials::oauth_credential_store_from_config;
17use crate::mcp_config_args::McpConfigArgs;
18use crate::output::OutputFormat;
19use crate::prompt::prompt_or_stdin;
20use crate::provider_connection_args::ProviderConnectionArgs;
21use crate::resolve::{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    SessionUsage,
43    ContextCleared,
44    TurnStarted,
45    TurnEnded,
46    LlmRetryScheduled,
47    LlmCallStarted,
48    LlmCallEnded,
49    ToolDefinitionsUpdated,
50}
51
52pub struct RunConfig {
53    pub prompt: String,
54    pub cwd: PathBuf,
55    pub mcp_config: McpConfig,
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)]
69#[schemars(rename = "AetherHeadlessCliOptions")]
70pub struct HeadlessOptions {
71    #[serde(default, skip_serializing_if = "Option::is_none")]
72    pub prompt: Option<String>,
73    #[serde(default, skip_serializing_if = "Option::is_none")]
74    pub cwd: Option<PathBuf>,
75    #[serde(default, skip_serializing_if = "Option::is_none")]
76    pub providers: Option<BTreeMap<String, ProviderConnectionOverride>>,
77    #[serde(default, skip_serializing_if = "Option::is_none")]
78    pub settings: Option<AetherSettings>,
79    #[serde(default, skip_serializing_if = "Option::is_none")]
80    pub settings_file: Option<PathBuf>,
81    #[serde(default, skip_serializing_if = "Option::is_none")]
82    pub agent: Option<String>,
83    #[serde(default, skip_serializing_if = "Option::is_none")]
84    pub model: Option<String>,
85    #[serde(default, skip_serializing_if = "Option::is_none")]
86    pub mcp_config: Option<McpConfig>,
87    #[serde(default, skip_serializing_if = "Option::is_none")]
88    pub system_prompt: Option<String>,
89    #[serde(default, skip_serializing_if = "Option::is_none")]
90    pub output: Option<OutputFormat>,
91    #[serde(default, skip_serializing_if = "Option::is_none")]
92    pub verbose: Option<bool>,
93    #[serde(default, skip_serializing_if = "Option::is_none")]
94    pub events: Option<Vec<CliEventKind>>,
95    #[serde(default, skip_serializing_if = "Option::is_none")]
96    pub trace_context: Option<AgentTraceContext>,
97}
98
99pub async fn run_headless(args: HeadlessArgs) -> Result<ExitCode, CliError> {
100    run::run(RunConfig::from_args(args)?).await
101}
102
103#[derive(clap::Args)]
104pub struct HeadlessArgs {
105    #[arg(long = "options-json", value_name = "JSON", hide = true)]
106    pub options_json: Option<String>,
107
108    /// Prompt to send (reads stdin if omitted and stdin is not a TTY)
109    pub prompt: Vec<String>,
110
111    /// Named agent from settings.json (defaults to first user-invocable agent)
112    #[arg(short = 'a', long = "agent")]
113    pub agent: Option<String>,
114
115    /// Model for ad-hoc runs (e.g. "anthropic:claude-sonnet-4-5"). Mutually exclusive with --agent.
116    #[arg(short, long)]
117    pub model: Option<String>,
118
119    /// Working directory
120    #[arg(short = 'C', long = "cwd", default_value = ".")]
121    pub cwd: PathBuf,
122
123    #[command(flatten)]
124    pub settings_source: SettingsSourceArgs,
125
126    #[command(flatten)]
127    pub provider_connection: ProviderConnectionArgs,
128
129    #[command(flatten)]
130    pub mcp_config: McpConfigArgs,
131
132    /// Additional system prompt
133    #[arg(long = "system-prompt")]
134    pub system_prompt: Option<String>,
135
136    /// Output format
137    #[arg(long, default_value = "text")]
138    pub output: OutputFormat,
139
140    /// Verbose diagnostic logging to stderr.
141    #[arg(short, long)]
142    pub verbose: bool,
143
144    /// Comma-separated list of events to emit (e.g. `tool_call,tool_result,turn_ended`).
145    /// Omit to emit every output event. When set, turn outcomes are only shown if `turn_ended` is listed.
146    #[arg(long = "events", value_enum, value_delimiter = ',')]
147    pub events: Vec<CliEventKind>,
148}
149
150impl RunConfig {
151    fn from_args(args: HeadlessArgs) -> Result<Self, CliError> {
152        if let Some(json) = args.options_json {
153            return Self::from_options(serde_json::from_str(&json).map_err(CliError::InvalidOptionsJson)?);
154        }
155
156        let prompt = resolve_prompt(&args)?;
157        let cwd = args.cwd.canonicalize().map_err(CliError::IoError)?;
158        let settings = args.settings_source.load_settings(&cwd)?;
159        let provider_connections = args.provider_connection.clone().into_overrides();
160        let oauth_credential_store = oauth_credential_store_from_config(settings.credentials_store.clone())?;
161        let telemetry = settings.telemetry.clone();
162        let selection = match (args.agent, args.model) {
163            (Some(agent), None) => InitialSessionSelection::Agent(agent),
164            (None, Some(model)) => InitialSessionSelection::Model { model, reasoning_effort: None },
165            (None, None) => InitialSessionSelection::Default,
166            (Some(_), Some(_)) => {
167                return Err(CliError::ConflictingArgs("Cannot specify both --agent and --model".to_string()));
168            }
169        };
170        let resolved = resolve_agent_from_settings(&cwd, settings, provider_connections, &selection)?;
171        let mcp_config = args.mcp_config.load(&cwd)?;
172
173        Ok(Self {
174            prompt,
175            cwd,
176            mcp_config,
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        Ok(Self {
207            prompt,
208            cwd,
209            mcp_config: options.mcp_config.unwrap_or_default(),
210            spec: resolved.spec,
211            agent_catalog: resolved.catalog,
212            system_prompt: options.system_prompt,
213            output: options.output.unwrap_or(OutputFormat::Text),
214            verbose: options.verbose.unwrap_or(false),
215            events: options.events.unwrap_or_default(),
216            oauth_credential_store,
217            telemetry,
218            trace_context: options.trace_context,
219        })
220    }
221}
222
223fn resolve_prompt(args: &HeadlessArgs) -> Result<String, CliError> {
224    let explicit = (!args.prompt.is_empty()).then(|| args.prompt.join(" "));
225    prompt_or_stdin(explicit).map_err(CliError::IoError)?.ok_or(CliError::NoPrompt)
226}
aether_cli/headless/mod.rs

aether_cli/headless/
mod.rs
