scud/
config.rs

1use anyhow::{Context, Result};
2use serde::{Deserialize, Serialize};
3use std::fs;
4use std::path::Path;
5
6#[derive(Debug, Clone, Serialize, Deserialize)]
7pub struct Config {
8    pub llm: LLMConfig,
9    #[serde(default)]
10    pub swarm: SwarmConfig,
11}
12
13#[derive(Debug, Clone, Serialize, Deserialize)]
14pub struct SwarmConfig {
15    #[serde(default = "default_swarm_harness")]
16    pub harness: String,
17    #[serde(default = "default_round_size")]
18    pub round_size: usize,
19    #[serde(default = "default_default_tag")]
20    pub default_tag: Option<String>,
21}
22
23fn default_swarm_harness() -> String {
24    "claude".to_string()
25}
26
27fn default_round_size() -> usize {
28    5
29}
30
31fn default_default_tag() -> Option<String> {
32    None
33}
34
35impl Default for SwarmConfig {
36    fn default() -> Self {
37        SwarmConfig {
38            harness: default_swarm_harness(),
39            round_size: default_round_size(),
40            default_tag: default_default_tag(),
41        }
42    }
43}
44
45#[derive(Debug, Clone, Serialize, Deserialize)]
46pub struct LLMConfig {
47    /// Default provider
48    #[serde(default = "default_provider")]
49    pub provider: String,
50    /// Default model (used when no tier specified)
51    #[serde(default = "default_model")]
52    pub model: String,
53    /// Smart provider for validation/analysis tasks
54    #[serde(default = "default_smart_provider")]
55    pub smart_provider: String,
56    /// Smart model for validation/analysis tasks (large context)
57    #[serde(default = "default_smart_model")]
58    pub smart_model: String,
59    /// Fast provider for generation tasks
60    #[serde(default = "default_fast_provider")]
61    pub fast_provider: String,
62    /// Fast model for generation tasks
63    #[serde(default = "default_fast_model")]
64    pub fast_model: String,
65    /// Max tokens for LLM requests
66    #[serde(default = "default_max_tokens")]
67    pub max_tokens: u32,
68}
69
70fn default_provider() -> String {
71    std::env::var("SCUD_PROVIDER").unwrap_or_else(|_| "xai".to_string())
72}
73
74fn default_model() -> String {
75    std::env::var("SCUD_MODEL").unwrap_or_else(|_| "xai/grok-code-fast-1".to_string())
76}
77
78fn default_smart_provider() -> String {
79    std::env::var("SCUD_SMART_PROVIDER").unwrap_or_else(|_| "claude-cli".to_string())
80}
81
82fn default_smart_model() -> String {
83    std::env::var("SCUD_SMART_MODEL").unwrap_or_else(|_| "opus".to_string())
84}
85
86fn default_fast_provider() -> String {
87    std::env::var("SCUD_FAST_PROVIDER").unwrap_or_else(|_| "xai".to_string())
88}
89
90fn default_fast_model() -> String {
91    std::env::var("SCUD_FAST_MODEL").unwrap_or_else(|_| "xai/grok-code-fast-1".to_string())
92}
93
94fn default_max_tokens() -> u32 {
95    std::env::var("SCUD_MAX_TOKENS")
96        .ok()
97        .and_then(|s| s.parse().ok())
98        .unwrap_or(16000)
99}
100
101impl Default for Config {
102    fn default() -> Self {
103        Config {
104            llm: LLMConfig {
105                provider: default_provider(),
106                model: default_model(),
107                smart_provider: default_smart_provider(),
108                smart_model: default_smart_model(),
109                fast_provider: default_fast_provider(),
110                fast_model: default_fast_model(),
111                max_tokens: default_max_tokens(),
112            },
113            swarm: SwarmConfig::default(),
114        }
115    }
116}
117
118impl Config {
119    pub fn load(path: &Path) -> Result<Self> {
120        let content = fs::read_to_string(path)
121            .with_context(|| format!("Failed to read config file: {}", path.display()))?;
122
123        toml::from_str(&content)
124            .with_context(|| format!("Failed to parse config file: {}", path.display()))
125    }
126
127    pub fn save(&self, path: &Path) -> Result<()> {
128        let content = toml::to_string_pretty(self).context("Failed to serialize config to TOML")?;
129
130        if let Some(parent) = path.parent() {
131            fs::create_dir_all(parent).with_context(|| {
132                format!("Failed to create config directory: {}", parent.display())
133            })?;
134        }
135
136        fs::write(path, content)
137            .with_context(|| format!("Failed to write config file: {}", path.display()))
138    }
139
140    pub fn api_key_env_var(&self) -> &str {
141        Self::api_key_env_var_for_provider(&self.llm.provider)
142    }
143
144    pub fn api_key_env_var_for_provider(provider: &str) -> &str {
145        match provider {
146            "anthropic" => "ANTHROPIC_API_KEY",
147            "xai" => "XAI_API_KEY",
148            "openai" => "OPENAI_API_KEY",
149            "openrouter" => "OPENROUTER_API_KEY",
150            "claude-cli" => "NONE", // Claude CLI doesn't need API key
151            "codex" => "NONE",      // Codex CLI doesn't need API key
152            _ => "API_KEY",
153        }
154    }
155
156    pub fn requires_api_key(&self) -> bool {
157        let providers = [
158            &self.llm.provider,
159            &self.llm.smart_provider,
160            &self.llm.fast_provider,
161        ];
162        providers
163            .iter()
164            .any(|p| !matches!(p.as_str(), "claude-cli" | "codex"))
165    }
166
167    pub fn api_endpoint(&self) -> &str {
168        match self.llm.provider.as_str() {
169            "anthropic" => "https://api.anthropic.com/v1/messages",
170            "xai" => "https://api.x.ai/v1/chat/completions",
171            "openai" => "https://api.openai.com/v1/chat/completions",
172            "openrouter" => "https://openrouter.ai/api/v1/chat/completions",
173            _ => "https://api.anthropic.com/v1/messages",
174        }
175    }
176
177    pub fn default_model_for_provider(provider: &str) -> &str {
178        match provider {
179            "xai" => "xai/grok-code-fast-1",
180            "anthropic" => "claude-sonnet-4-5-20250929",
181            "openai" => "o3-mini",
182            "openrouter" => "anthropic/claude-sonnet-4.5",
183            "claude-cli" => "sonnet", // Claude CLI model names: sonnet, opus, haiku
184            "codex" => "gpt-5.1",     // Codex CLI default model
185            _ => "xai/grok-code-fast-1",
186        }
187    }
188
189    /// Get suggested models for a provider (for display in init)
190    pub fn suggested_models_for_provider(provider: &str) -> Vec<&str> {
191        match provider {
192            "xai" => vec![
193                "xai/grok-code-fast-1",
194                "xai/grok-4-1-fast",
195                "xai/grok-4-fast",
196                "xai/grok-3-fast",
197            ],
198            "anthropic" => vec![
199                "claude-sonnet-4-5-20250929",
200                "claude-opus-4-5-20251101",
201                "claude-haiku-4-5-20251001",
202                "claude-opus-4-1-20250805",
203            ],
204            "openai" => vec![
205                "gpt-5.2-high",
206                "gpt-5.1",
207                "gpt-5.1-mini",
208                "o3-mini",
209                "o3",
210                "o4-mini",
211                "gpt-4.1",
212            ],
213            "openrouter" => vec![
214                "anthropic/claude-sonnet-4.5",
215                "anthropic/claude-opus-4.5",
216                "openai/o3-mini",
217                "openai/gpt-4.1",
218                "xai/grok-4-1-fast-reasoning",
219            ],
220            "claude-cli" => vec![
221                "opus",   // Claude Opus 4.5 - smart/reasoning
222                "sonnet", // Claude Sonnet - fast/capable
223                "haiku",  // Claude Haiku - fastest
224            ],
225            "codex" => vec![
226                "gpt-5.2-high", // Smart/reasoning model
227                "gpt-5.1",      // Capable model
228                "gpt-5.1-mini", // Fast model
229                "o3",           // Reasoning model
230                "o3-mini",      // Fast reasoning
231            ],
232            _ => vec![],
233        }
234    }
235
236    /// Get the smart provider (for validation/analysis tasks with large context)
237    pub fn smart_provider(&self) -> &str {
238        &self.llm.smart_provider
239    }
240
241    /// Get the smart model (for validation/analysis tasks with large context)
242    pub fn smart_model(&self) -> &str {
243        &self.llm.smart_model
244    }
245
246    /// Get the fast provider (for generation tasks)
247    pub fn fast_provider(&self) -> &str {
248        &self.llm.fast_provider
249    }
250
251    /// Get the fast model (for generation tasks)
252    pub fn fast_model(&self) -> &str {
253        &self.llm.fast_model
254    }
255}
256
257#[cfg(test)]
258mod tests {
259    use super::*;
260    use tempfile::TempDir;
261
262    #[test]
263    fn test_default_config() {
264        let config = Config::default();
265        // Default provider is xai with xai/grok-code-fast-1 for speed
266        assert_eq!(config.llm.provider, "xai");
267        assert_eq!(config.llm.model, "xai/grok-code-fast-1");
268        // Smart tier uses claude-cli with opus
269        assert_eq!(config.llm.smart_provider, "claude-cli");
270        assert_eq!(config.llm.smart_model, "opus");
271        // Fast tier uses xai with xai/grok-code-fast-1
272        assert_eq!(config.llm.fast_provider, "xai");
273        assert_eq!(config.llm.fast_model, "xai/grok-code-fast-1");
274        assert_eq!(config.llm.max_tokens, 16000);
275    }
276
277    #[test]
278    fn test_model_tiers() {
279        let config = Config::default();
280        assert_eq!(config.smart_provider(), "claude-cli");
281        assert_eq!(config.smart_model(), "opus");
282        assert_eq!(config.fast_provider(), "xai");
283        assert_eq!(config.fast_model(), "xai/grok-code-fast-1");
284    }
285
286    #[test]
287    fn test_api_key_env_vars() {
288        let mut config = Config::default();
289
290        config.llm.provider = "anthropic".to_string();
291        assert_eq!(config.api_key_env_var(), "ANTHROPIC_API_KEY");
292
293        config.llm.provider = "xai".to_string();
294        assert_eq!(config.api_key_env_var(), "XAI_API_KEY");
295
296        config.llm.provider = "openai".to_string();
297        assert_eq!(config.api_key_env_var(), "OPENAI_API_KEY");
298
299        config.llm.provider = "claude-cli".to_string();
300        config.llm.smart_provider = "claude-cli".to_string();
301        config.llm.fast_provider = "claude-cli".to_string();
302        assert!(!config.requires_api_key());
303    }
304
305    #[test]
306    fn test_api_endpoints() {
307        let mut config = Config::default();
308
309        config.llm.provider = "anthropic".to_string();
310        assert_eq!(
311            config.api_endpoint(),
312            "https://api.anthropic.com/v1/messages"
313        );
314
315        config.llm.provider = "xai".to_string();
316        assert_eq!(
317            config.api_endpoint(),
318            "https://api.x.ai/v1/chat/completions"
319        );
320
321        config.llm.provider = "openai".to_string();
322        assert_eq!(
323            config.api_endpoint(),
324            "https://api.openai.com/v1/chat/completions"
325        );
326    }
327
328    #[test]
329    fn test_save_and_load_config() {
330        let temp_dir = TempDir::new().unwrap();
331        let config_path = temp_dir.path().join("config.toml");
332
333        let config = Config {
334            llm: LLMConfig {
335                provider: "claude-cli".to_string(),
336                model: "sonnet".to_string(),
337                smart_provider: "claude-cli".to_string(),
338                smart_model: "opus".to_string(),
339                fast_provider: "xai".to_string(),
340                fast_model: "haiku".to_string(),
341                max_tokens: 8192,
342            },
343            swarm: SwarmConfig::default(),
344        };
345
346        config.save(&config_path).unwrap();
347        assert!(config_path.exists());
348
349        let loaded = Config::load(&config_path).unwrap();
350        assert_eq!(loaded.llm.provider, "claude-cli");
351        assert_eq!(loaded.llm.model, "sonnet");
352        assert_eq!(loaded.llm.smart_provider, "claude-cli");
353        assert_eq!(loaded.llm.smart_model, "opus");
354        assert_eq!(loaded.llm.fast_provider, "xai");
355        assert_eq!(loaded.llm.fast_model, "haiku");
356        assert_eq!(loaded.llm.max_tokens, 8192);
357    }
358
359    #[test]
360    fn test_default_models() {
361        assert_eq!(
362            Config::default_model_for_provider("xai"),
363            "xai/grok-code-fast-1"
364        );
365        assert_eq!(
366            Config::default_model_for_provider("anthropic"),
367            "claude-sonnet-4-5-20250929"
368        );
369        assert_eq!(Config::default_model_for_provider("openai"), "o3-mini");
370        assert_eq!(Config::default_model_for_provider("claude-cli"), "sonnet");
371    }
372
373    #[test]
374    fn test_load_config_without_model_tiers() {
375        // Test backward compatibility - loading a config without smart/fast models
376        let temp_dir = TempDir::new().unwrap();
377        let config_path = temp_dir.path().join("config.toml");
378
379        // Write a config without smart_model and fast_model
380        std::fs::write(
381            &config_path,
382            r#"[llm]
383provider = "xai"
384model = "xai/grok-code-fast-1"
385max_tokens = 4096
386"#,
387        )
388        .unwrap();
389
390        let loaded = Config::load(&config_path).unwrap();
391        assert_eq!(loaded.llm.provider, "xai");
392        assert_eq!(loaded.llm.model, "xai/grok-code-fast-1");
393        // Should use defaults for missing fields
394        assert_eq!(loaded.llm.smart_provider, "claude-cli");
395        assert_eq!(loaded.llm.smart_model, "opus");
396        assert_eq!(loaded.llm.fast_provider, "xai");
397        assert_eq!(loaded.llm.fast_model, "xai/grok-code-fast-1");
398    }
399}
scud/config.rs

scud/
config.rs
