ai-dispatch 10.48.2

Multi-AI CLI team orchestrator
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// Final dispatch model attribution after quota routing and served-model validation.
// Exports: model_selection_info; deps: Agent, RunArgs, run_model::RunModel.

use super::RunArgs;
use crate::agent::run_model::{RunModel, RunModelSource};
use crate::types::AgentKind;

/// One line naming the launched model and its source. The source comes from
/// the resolver; a pinned model that later changed was quota/budget routed.
pub(super) fn model_selection_info(
    args: &RunArgs, run_model: &RunModel, effective_model: Option<&str>,
    agent: &dyn crate::agent::Agent,
) -> String {
    let adapter_default = effective_model.is_none().then(|| agent.default_model()).flatten();
    let custom = agent.kind() == AgentKind::Custom;
    let cli_config = (run_model.source == RunModelSource::CliConfig)
        .then_some(run_model.model.as_deref()).flatten();
    let source = match effective_model {
        None if args.force_default_model => match (custom, adapter_default.is_some()) {
            (true, false) => "self-heal retry: custom/delegate default (unknown)",
            (true, true) => "self-heal retry: custom/delegate default",
            (false, true) => "self-heal retry: adapter default",
            (false, false) => "self-heal retry: CLI default",
        },
        None if custom && adapter_default.is_none() => "custom/delegate default (unknown)",
        None if custom => "custom/delegate default (no caller -m)",
        None if adapter_default.is_some() => "adapter default (no caller -m)",
        None if cli_config.is_some() => RunModelSource::CliConfig.label(),
        None => "CLI default (no -m)",
        Some(model) if run_model.pinned && run_model.model.as_deref() == Some(model) => {
            run_model.source.label()
        }
        Some(_) => "quota/budget routing",
    };
    let unknown_default = if custom {
        "unknown (custom/delegate default)"
    } else if args.force_default_model {
        "CLI default"
    } else {
        "CLI default (no -m)"
    };
    let shown = effective_model.or(adapter_default.as_deref())
        .or(cli_config.filter(|_| !args.force_default_model));
    format!("[aid] {} model: {}; source: {source}", args.agent_name, shown.unwrap_or(unknown_default))
}

#[cfg(test)]
mod tests {
    use super::*;

    fn unpinned() -> RunModel {
        RunModel { model: None, pinned: false, source: RunModelSource::AgentDefault }
    }

    #[test]
    fn self_heal_retry_labels_cli_default_even_with_original_model() {
        let args = RunArgs {
            agent_name: "codex".to_string(),
            model: Some("unavailable-model".to_string()),
            force_default_model: true,
            ..Default::default()
        };
        assert_eq!(model_selection_info(&args, &unpinned(), None, &crate::agent::codex::CodexAgent),
            "[aid] codex model: CLI default; source: self-heal retry: CLI default");
    }

    #[test]
    fn custom_default_is_unknown_instead_of_cli_default() {
        let args = RunArgs { agent_name: "byok".to_string(), ..Default::default() };
        let agent = crate::agent::custom::CustomAgent {
            config: crate::agent::custom::parse_config(
                "[agent]\nid = 'byok'\ndisplay_name = 'BYOK'\ncommand = 'wrapper'\ndelegate_to = 'opencode'\n",
            ).expect("custom config"),
        };
        assert_eq!(model_selection_info(&args, &unpinned(), None, &agent),
            "[aid] byok model: unknown (custom/delegate default); source: custom/delegate default (unknown)");
    }

    #[test]
    fn custom_delegate_reports_its_actual_forced_default() {
        let home = tempfile::tempdir().expect("temporary aid home");
        let _guard = crate::paths::AidHomeGuard::set(home.path());
        std::fs::create_dir(home.path().join("agents")).expect("agents directory");
        std::fs::write(home.path().join("agents/byok.toml"),
            "[agent]\nid = 'byok'\ndisplay_name = 'BYOK'\ncommand = 'opencode'\ndelegate_to = 'opencode'\nforced_model = 'provider/custom-model'\n",
        ).expect("delegate config");
        let agent = crate::agent::registry::resolve_custom_agent("byok").expect("delegate adapter");
        let args = RunArgs { agent_name: "byok".to_string(), ..Default::default() };
        assert_eq!(model_selection_info(&args, &unpinned(), None, agent.as_ref()),
            "[aid] byok model: provider/custom-model; source: custom/delegate default (no caller -m)");
    }

    #[test]
    fn self_heal_retry_reports_adapter_default() {
        let args = RunArgs {
            agent_name: "cursor".to_string(),
            model: Some("unavailable-model".to_string()),
            force_default_model: true,
            ..Default::default()
        };
        assert_eq!(model_selection_info(&args, &unpinned(), None, &crate::agent::cursor::CursorAgent),
            "[aid] cursor model: composer-2.5; source: self-heal retry: adapter default");
    }

    #[test]
    fn self_heal_retry_reports_known_delegate_default() {
        let agent = crate::agent::opencode_overlay::OpenCodeOverlayAgent::new(
            "byok".to_string(), "BYOK".to_string(), "provider/custom-model".to_string(),
        );
        let args = RunArgs {
            agent_name: "byok".to_string(), force_default_model: true, ..Default::default()
        };
        assert_eq!(model_selection_info(&args, &unpinned(), None, &agent),
            "[aid] byok model: provider/custom-model; source: self-heal retry: custom/delegate default");
    }

    #[test]
    fn self_heal_retry_keeps_unknown_delegate_default_unknown() {
        let agent = crate::agent::custom::CustomAgent {
            config: crate::agent::custom::parse_config(
                "[agent]\nid = 'byok'\ndisplay_name = 'BYOK'\ncommand = 'wrapper'\n",
            ).expect("custom config"),
        };
        let args = RunArgs {
            agent_name: "byok".to_string(), force_default_model: true, ..Default::default()
        };
        assert_eq!(model_selection_info(&args, &unpinned(), None, &agent),
            "[aid] byok model: unknown (custom/delegate default); source: self-heal retry: custom/delegate default (unknown)");
    }

    #[test]
    fn routed_retry_model_keeps_its_source() {
        let home = tempfile::tempdir().expect("temporary aid home");
        let _guard = crate::paths::AidHomeGuard::set(home.path());
        let args = RunArgs {
            agent_name: "cursor".to_string(), force_default_model: true, ..Default::default()
        };
        assert_eq!(model_selection_info(&args, &unpinned(), Some("auto"), &crate::agent::cursor::CursorAgent),
            "[aid] cursor model: auto; source: quota/budget routing");
    }

    #[test]
    fn qwen_default_follows_selected_settings_model() {
        let home = tempfile::tempdir().expect("temporary qwen home");
        std::fs::create_dir(home.path().join(".qwen")).expect("qwen directory");
        std::fs::write(home.path().join(".qwen/settings.json"),
            r#"{"model":{"name":"configured-qwen"}}"#).expect("qwen settings");
        crate::model_catalog::set_test_qwen_home(Some(home.path().to_path_buf()));
        let args = RunArgs { agent_name: "qwen".to_string(), ..Default::default() };
        let info = model_selection_info(&args, &unpinned(), None, &crate::agent::qwen::QwenAgent);
        crate::model_catalog::set_test_qwen_home(None);
        assert_eq!(info,
            "[aid] qwen model: configured-qwen; source: adapter default (no caller -m)");
    }

    #[test]
    fn unpinned_cli_config_default_is_named_with_its_source() {
        let args = RunArgs { agent_name: "codex".to_string(), ..Default::default() };
        let run_model = RunModel {
            model: Some("gpt-6-sol".to_string()), pinned: false, source: RunModelSource::CliConfig,
        };
        assert_eq!(model_selection_info(&args, &run_model, None, &crate::agent::codex::CodexAgent),
            "[aid] codex model: gpt-6-sol; source: CLI config (no -m)");
    }
}