codewhale_agent/
lib.rs

1use std::collections::HashMap;
2
3use codewhale_config::ProviderKind;
4use serde::{Deserialize, Serialize};
5
6/// High-level model family used for shared identity affordances across clients.
7#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
8pub enum ModelFamily {
9    DeepSeek,
10    Anthropic,
11    OpenAI,
12    Google,
13    Meta,
14    Mistral,
15    Qwen,
16    Grok,
17    Cohere,
18    GptOss,
19    Inferencer,
20}
21
22/// Metadata for a single model entry in the registry.
23///
24/// Each model has a canonical `id` used by the provider, a list of `aliases`
25/// that users may reference, and capability flags indicating whether the model
26/// supports tool use and reasoning.
27#[derive(Debug, Clone, Serialize, Deserialize)]
28pub struct ModelInfo {
29    /// The canonical model identifier used by the provider (e.g. `"deepseek-v4-pro"`).
30    pub id: String,
31    /// The provider that serves this model.
32    pub provider: ProviderKind,
33    /// Alternative names that users can use to reference this model (case-insensitive).
34    pub aliases: Vec<String>,
35    /// Whether this model supports tool/function calling.
36    pub supports_tools: bool,
37    /// Whether this model supports extended reasoning.
38    pub supports_reasoning: bool,
39}
40
41/// The result of resolving a user-requested model name to a concrete model entry.
42///
43/// Contains the resolved [`ModelInfo`], whether a fallback was used, and the
44/// chain of resolution strategies that were attempted.
45#[derive(Debug, Clone, Serialize, Deserialize)]
46pub struct ModelResolution {
47    /// The original model name requested by the user, if any.
48    pub requested: Option<String>,
49    /// The concrete model that was resolved.
50    pub resolved: ModelInfo,
51    /// Whether a fallback was used because the requested model was not found.
52    pub used_fallback: bool,
53    /// The ordered list of resolution strategies that were attempted.
54    pub fallback_chain: Vec<String>,
55}
56
57/// A registry of supported models and their aliases, used to resolve user-facing
58/// model names to concrete provider-specific model entries.
59///
60/// The default registry is populated with all built-in models across supported
61/// providers (DeepSeek, NVIDIA NIM, OpenAI-compatible, and others).
62#[derive(Debug, Clone)]
63pub struct ModelRegistry {
64    models: Vec<ModelInfo>,
65    alias_map: HashMap<String, usize>,
66}
67
68/// Creates a registry pre-populated with all built-in models and their aliases.
69impl Default for ModelRegistry {
70    fn default() -> Self {
71        let models = vec![
72            ModelInfo {
73                id: "deepseek-v4-pro".to_string(),
74                provider: ProviderKind::Deepseek,
75                aliases: vec![],
76                supports_tools: true,
77                supports_reasoning: true,
78            },
79            ModelInfo {
80                id: "deepseek-v4-flash".to_string(),
81                provider: ProviderKind::Deepseek,
82                aliases: vec![
83                    "deepseek-chat".to_string(),
84                    "deepseek-reasoner".to_string(),
85                    "deepseek-r1".to_string(),
86                    "deepseek-v3".to_string(),
87                    "deepseek-v3.2".to_string(),
88                ],
89                supports_tools: true,
90                supports_reasoning: true,
91            },
92            ModelInfo {
93                id: "deepseek-ai/deepseek-v4-pro".to_string(),
94                provider: ProviderKind::NvidiaNim,
95                aliases: vec![
96                    "deepseek-v4-pro".to_string(),
97                    "nvidia-deepseek-v4-pro".to_string(),
98                    "nim-deepseek-v4-pro".to_string(),
99                ],
100                supports_tools: true,
101                supports_reasoning: true,
102            },
103            ModelInfo {
104                id: "deepseek-ai/deepseek-v4-flash".to_string(),
105                provider: ProviderKind::NvidiaNim,
106                aliases: vec![
107                    "deepseek-v4-flash".to_string(),
108                    "deepseek-chat".to_string(),
109                    "deepseek-reasoner".to_string(),
110                    "nvidia-deepseek-v4-flash".to_string(),
111                    "nim-deepseek-v4-flash".to_string(),
112                ],
113                supports_tools: true,
114                supports_reasoning: true,
115            },
116            ModelInfo {
117                id: "deepseek-v4-pro".to_string(),
118                provider: ProviderKind::Openai,
119                aliases: vec!["openai-compatible-deepseek-v4-pro".to_string()],
120                supports_tools: true,
121                supports_reasoning: true,
122            },
123            ModelInfo {
124                id: "deepseek-v4-flash".to_string(),
125                provider: ProviderKind::Openai,
126                aliases: vec!["openai-compatible-deepseek-v4-flash".to_string()],
127                supports_tools: true,
128                supports_reasoning: true,
129            },
130            ModelInfo {
131                id: "deepseek-ai/deepseek-v4-flash".to_string(),
132                provider: ProviderKind::Atlascloud,
133                aliases: vec![
134                    "deepseek-v4-flash".to_string(),
135                    "atlascloud-deepseek-v4-flash".to_string(),
136                ],
137                supports_tools: true,
138                supports_reasoning: true,
139            },
140            ModelInfo {
141                id: "deepseek-ai/deepseek-v4-pro".to_string(),
142                provider: ProviderKind::Atlascloud,
143                aliases: vec![
144                    "deepseek-v4-pro".to_string(),
145                    "atlascloud-deepseek-v4-pro".to_string(),
146                ],
147                supports_tools: true,
148                supports_reasoning: true,
149            },
150            ModelInfo {
151                id: "deepseek-reasoner".to_string(),
152                provider: ProviderKind::WanjieArk,
153                aliases: vec![
154                    "wanjie-deepseek-reasoner".to_string(),
155                    "ark-wanjie-deepseek-reasoner".to_string(),
156                ],
157                supports_tools: true,
158                supports_reasoning: true,
159            },
160            ModelInfo {
161                id: "DeepSeek-V4-Pro".to_string(),
162                provider: ProviderKind::Volcengine,
163                aliases: vec![
164                    "deepseek-v4-pro".to_string(),
165                    "volcengine-deepseek-v4-pro".to_string(),
166                    "ark-deepseek-v4-pro".to_string(),
167                ],
168                supports_tools: true,
169                supports_reasoning: true,
170            },
171            ModelInfo {
172                id: "DeepSeek-V4-Flash".to_string(),
173                provider: ProviderKind::Volcengine,
174                aliases: vec![
175                    "deepseek-v4-flash".to_string(),
176                    "deepseek-chat".to_string(),
177                    "volcengine-deepseek-v4-flash".to_string(),
178                    "ark-deepseek-v4-flash".to_string(),
179                ],
180                supports_tools: true,
181                supports_reasoning: true,
182            },
183            ModelInfo {
184                id: "trinity-large-thinking".to_string(),
185                provider: ProviderKind::Arcee,
186                aliases: vec![
187                    "trinity".to_string(),
188                    "arcee-trinity".to_string(),
189                    "arcee-trinity-large-thinking".to_string(),
190                ],
191                supports_tools: true,
192                supports_reasoning: true,
193            },
194            ModelInfo {
195                id: "deepseek/deepseek-v4-pro".to_string(),
196                provider: ProviderKind::Openrouter,
197                aliases: vec![
198                    "deepseek-v4-pro".to_string(),
199                    "openrouter-deepseek-v4-pro".to_string(),
200                ],
201                supports_tools: true,
202                supports_reasoning: true,
203            },
204            ModelInfo {
205                id: "deepseek/deepseek-v4-flash".to_string(),
206                provider: ProviderKind::Openrouter,
207                aliases: vec![
208                    "deepseek-v4-flash".to_string(),
209                    "deepseek-chat".to_string(),
210                    "deepseek-reasoner".to_string(),
211                    "openrouter-deepseek-v4-flash".to_string(),
212                ],
213                supports_tools: true,
214                supports_reasoning: true,
215            },
216            ModelInfo {
217                id: "arcee-ai/trinity-large-thinking".to_string(),
218                provider: ProviderKind::Openrouter,
219                aliases: vec![
220                    "trinity".to_string(),
221                    "trinity-large-thinking".to_string(),
222                    "arcee-trinity-large-thinking".to_string(),
223                ],
224                supports_tools: true,
225                supports_reasoning: true,
226            },
227            ModelInfo {
228                id: "xiaomi/mimo-v2.5-pro".to_string(),
229                provider: ProviderKind::Openrouter,
230                aliases: vec![
231                    "openrouter-mimo-v2.5-pro".to_string(),
232                    "openrouter-xiaomi-mimo-v2.5-pro".to_string(),
233                ],
234                supports_tools: true,
235                supports_reasoning: true,
236            },
237            ModelInfo {
238                id: "xiaomi/mimo-v2.5".to_string(),
239                provider: ProviderKind::Openrouter,
240                aliases: vec![
241                    "openrouter-mimo-v2.5".to_string(),
242                    "openrouter-xiaomi-mimo-v2.5".to_string(),
243                ],
244                supports_tools: true,
245                supports_reasoning: true,
246            },
247            ModelInfo {
248                id: "qwen/qwen3.6-flash".to_string(),
249                provider: ProviderKind::Openrouter,
250                aliases: vec!["qwen3.6-flash".to_string(), "qwen-3.6-flash".to_string()],
251                supports_tools: true,
252                supports_reasoning: true,
253            },
254            ModelInfo {
255                id: "qwen/qwen3.6-35b-a3b".to_string(),
256                provider: ProviderKind::Openrouter,
257                aliases: vec![
258                    "qwen3.6-35b-a3b".to_string(),
259                    "qwen-3.6-35b-a3b".to_string(),
260                ],
261                supports_tools: true,
262                supports_reasoning: true,
263            },
264            ModelInfo {
265                id: "qwen/qwen3.6-max-preview".to_string(),
266                provider: ProviderKind::Openrouter,
267                aliases: vec![
268                    "qwen3.6-max-preview".to_string(),
269                    "qwen-3.6-max-preview".to_string(),
270                    "qwen-max-preview".to_string(),
271                ],
272                supports_tools: true,
273                supports_reasoning: true,
274            },
275            ModelInfo {
276                id: "qwen/qwen3.6-27b".to_string(),
277                provider: ProviderKind::Openrouter,
278                aliases: vec!["qwen3.6-27b".to_string(), "qwen-3.6-27b".to_string()],
279                supports_tools: true,
280                supports_reasoning: true,
281            },
282            ModelInfo {
283                id: "qwen/qwen3.6-plus".to_string(),
284                provider: ProviderKind::Openrouter,
285                aliases: vec!["qwen3.6-plus".to_string(), "qwen-3.6-plus".to_string()],
286                supports_tools: true,
287                supports_reasoning: true,
288            },
289            ModelInfo {
290                id: "moonshotai/kimi-k2.6".to_string(),
291                provider: ProviderKind::Openrouter,
292                aliases: vec!["openrouter-kimi-k2.6".to_string()],
293                supports_tools: true,
294                supports_reasoning: true,
295            },
296            ModelInfo {
297                id: "minimax/minimax-m3".to_string(),
298                provider: ProviderKind::Openrouter,
299                aliases: vec![
300                    "minimax-m3".to_string(),
301                    "minimax-m-3".to_string(),
302                    "openrouter-minimax-m3".to_string(),
303                ],
304                supports_tools: true,
305                supports_reasoning: true,
306            },
307            ModelInfo {
308                id: "z-ai/glm-5.1".to_string(),
309                provider: ProviderKind::Openrouter,
310                aliases: vec!["glm-5.1".to_string(), "zai-glm-5.1".to_string()],
311                supports_tools: true,
312                supports_reasoning: true,
313            },
314            ModelInfo {
315                id: "tencent/hy3-preview".to_string(),
316                provider: ProviderKind::Openrouter,
317                aliases: vec!["hy3-preview".to_string(), "tencent-hy3-preview".to_string()],
318                supports_tools: true,
319                supports_reasoning: true,
320            },
321            ModelInfo {
322                id: "google/gemma-4-31b-it".to_string(),
323                provider: ProviderKind::Openrouter,
324                aliases: vec!["gemma-4-31b".to_string(), "gemma-4-31b-it".to_string()],
325                supports_tools: true,
326                supports_reasoning: true,
327            },
328            ModelInfo {
329                id: "google/gemma-4-26b-a4b-it".to_string(),
330                provider: ProviderKind::Openrouter,
331                aliases: vec![
332                    "gemma-4-26b-a4b".to_string(),
333                    "gemma-4-26b-a4b-it".to_string(),
334                ],
335                supports_tools: true,
336                supports_reasoning: true,
337            },
338            ModelInfo {
339                id: "nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free".to_string(),
340                provider: ProviderKind::Openrouter,
341                aliases: vec![
342                    "nemotron-3-nano-omni".to_string(),
343                    "nemotron-3-nano-omni-reasoning".to_string(),
344                ],
345                supports_tools: true,
346                supports_reasoning: true,
347            },
348            ModelInfo {
349                id: "mimo-v2.5-pro".to_string(),
350                provider: ProviderKind::XiaomiMimo,
351                aliases: vec![
352                    "mimo".to_string(),
353                    "pro".to_string(),
354                    "xiaomi-mimo-v2.5-pro".to_string(),
355                    "xiaomi-mimo-v2-5-pro".to_string(),
356                ],
357                supports_tools: true,
358                supports_reasoning: true,
359            },
360            ModelInfo {
361                id: "mimo-v2.5".to_string(),
362                provider: ProviderKind::XiaomiMimo,
363                aliases: vec![
364                    "omni".to_string(),
365                    "mimo-omni".to_string(),
366                    "v2.5-omni".to_string(),
367                    "mimo-v2.5-omni".to_string(),
368                    "xiaomi-mimo-v2.5".to_string(),
369                    "xiaomi-mimo-v2.5-omni".to_string(),
370                ],
371                supports_tools: true,
372                supports_reasoning: true,
373            },
374            ModelInfo {
375                id: "mimo-v2.5-asr".to_string(),
376                provider: ProviderKind::XiaomiMimo,
377                aliases: vec![
378                    "asr".to_string(),
379                    "speech-to-text".to_string(),
380                    "transcribe".to_string(),
381                ],
382                supports_tools: false,
383                supports_reasoning: false,
384            },
385            ModelInfo {
386                id: "mimo-v2.5-tts".to_string(),
387                provider: ProviderKind::XiaomiMimo,
388                aliases: vec![
389                    "tts".to_string(),
390                    "speech".to_string(),
391                    "mimo-tts".to_string(),
392                ],
393                supports_tools: false,
394                supports_reasoning: false,
395            },
396            ModelInfo {
397                id: "mimo-v2.5-tts-voicedesign".to_string(),
398                provider: ProviderKind::XiaomiMimo,
399                aliases: vec![
400                    "voicedesign".to_string(),
401                    "voice-design".to_string(),
402                    "mimo-voice-design".to_string(),
403                ],
404                supports_tools: false,
405                supports_reasoning: false,
406            },
407            ModelInfo {
408                id: "mimo-v2.5-tts-voiceclone".to_string(),
409                provider: ProviderKind::XiaomiMimo,
410                aliases: vec![
411                    "voiceclone".to_string(),
412                    "voice-clone".to_string(),
413                    "mimo-voice-clone".to_string(),
414                ],
415                supports_tools: false,
416                supports_reasoning: false,
417            },
418            ModelInfo {
419                id: "mimo-v2-tts".to_string(),
420                provider: ProviderKind::XiaomiMimo,
421                aliases: vec!["mimo-v2-speech".to_string()],
422                supports_tools: false,
423                supports_reasoning: false,
424            },
425            ModelInfo {
426                id: "deepseek/deepseek-v4-pro".to_string(),
427                provider: ProviderKind::Novita,
428                aliases: vec![
429                    "deepseek-v4-pro".to_string(),
430                    "novita-deepseek-v4-pro".to_string(),
431                ],
432                supports_tools: true,
433                supports_reasoning: true,
434            },
435            ModelInfo {
436                id: "deepseek/deepseek-v4-flash".to_string(),
437                provider: ProviderKind::Novita,
438                aliases: vec![
439                    "deepseek-v4-flash".to_string(),
440                    "deepseek-chat".to_string(),
441                    "deepseek-reasoner".to_string(),
442                    "novita-deepseek-v4-flash".to_string(),
443                ],
444                supports_tools: true,
445                supports_reasoning: true,
446            },
447            ModelInfo {
448                id: "accounts/fireworks/models/deepseek-v4-pro".to_string(),
449                provider: ProviderKind::Fireworks,
450                aliases: vec![
451                    "deepseek-v4-pro".to_string(),
452                    "fireworks-deepseek-v4-pro".to_string(),
453                ],
454                supports_tools: true,
455                supports_reasoning: true,
456            },
457            ModelInfo {
458                id: "deepseek-ai/DeepSeek-V4-Pro".to_string(),
459                provider: ProviderKind::Siliconflow,
460                aliases: vec![
461                    "deepseek-v4-pro".to_string(),
462                    "deepseek-reasoner".to_string(),
463                    "deepseek-r1".to_string(),
464                    "siliconflow-deepseek-v4-pro".to_string(),
465                ],
466                supports_tools: true,
467                supports_reasoning: true,
468            },
469            ModelInfo {
470                id: "deepseek-ai/DeepSeek-V4-Flash".to_string(),
471                provider: ProviderKind::Siliconflow,
472                aliases: vec![
473                    "deepseek-v4-flash".to_string(),
474                    "deepseek-chat".to_string(),
475                    "deepseek-v3".to_string(),
476                    "siliconflow-deepseek-v4-flash".to_string(),
477                ],
478                supports_tools: true,
479                supports_reasoning: true,
480            },
481            ModelInfo {
482                id: "trinity-large-preview".to_string(),
483                provider: ProviderKind::Arcee,
484                aliases: vec!["arcee-trinity-large-preview".to_string()],
485                supports_tools: true,
486                supports_reasoning: false,
487            },
488            ModelInfo {
489                id: "kimi-k2.6".to_string(),
490                provider: ProviderKind::Moonshot,
491                aliases: vec![
492                    "kimi".to_string(),
493                    "kimi-k2".to_string(),
494                    "moonshot-kimi-k2.6".to_string(),
495                ],
496                supports_tools: true,
497                supports_reasoning: true,
498            },
499            ModelInfo {
500                id: "deepseek-ai/DeepSeek-V4-Pro".to_string(),
501                provider: ProviderKind::Sglang,
502                aliases: vec![
503                    "deepseek-v4-pro".to_string(),
504                    "sglang-deepseek-v4-pro".to_string(),
505                ],
506                supports_tools: true,
507                supports_reasoning: true,
508            },
509            ModelInfo {
510                id: "deepseek-ai/DeepSeek-V4-Flash".to_string(),
511                provider: ProviderKind::Sglang,
512                aliases: vec![
513                    "deepseek-v4-flash".to_string(),
514                    "deepseek-chat".to_string(),
515                    "deepseek-reasoner".to_string(),
516                    "sglang-deepseek-v4-flash".to_string(),
517                ],
518                supports_tools: true,
519                supports_reasoning: true,
520            },
521            ModelInfo {
522                id: "deepseek-ai/DeepSeek-V4-Pro".to_string(),
523                provider: ProviderKind::Vllm,
524                aliases: vec![
525                    "deepseek-v4-pro".to_string(),
526                    "vllm-deepseek-v4-pro".to_string(),
527                ],
528                supports_tools: true,
529                supports_reasoning: true,
530            },
531            ModelInfo {
532                id: "deepseek-ai/DeepSeek-V4-Flash".to_string(),
533                provider: ProviderKind::Vllm,
534                aliases: vec![
535                    "deepseek-v4-flash".to_string(),
536                    "deepseek-chat".to_string(),
537                    "deepseek-reasoner".to_string(),
538                    "vllm-deepseek-v4-flash".to_string(),
539                ],
540                supports_tools: true,
541                supports_reasoning: true,
542            },
543            ModelInfo {
544                id: "deepseek-coder:1.3b".to_string(),
545                provider: ProviderKind::Ollama,
546                aliases: vec![],
547                supports_tools: true,
548                supports_reasoning: false,
549            },
550            ModelInfo {
551                id: "deepseek-ai/DeepSeek-V4-Pro".to_string(),
552                provider: ProviderKind::Huggingface,
553                aliases: vec![
554                    "deepseek-v4-pro".to_string(),
555                    "hf-deepseek-v4-pro".to_string(),
556                ],
557                supports_tools: true,
558                supports_reasoning: true,
559            },
560            ModelInfo {
561                id: "deepseek-ai/DeepSeek-V4-Flash".to_string(),
562                provider: ProviderKind::Huggingface,
563                aliases: vec![
564                    "deepseek-v4-flash".to_string(),
565                    "deepseek-chat".to_string(),
566                    "deepseek-reasoner".to_string(),
567                    "hf-deepseek-v4-flash".to_string(),
568                ],
569                supports_tools: true,
570                supports_reasoning: true,
571            },
572            // Together AI provider models
573            ModelInfo {
574                id: "deepseek-ai/DeepSeek-V4-Pro".to_string(),
575                provider: ProviderKind::Together,
576                aliases: vec![
577                    "deepseek-v4-pro".to_string(),
578                    "together-deepseek-v4-pro".to_string(),
579                ],
580                supports_tools: true,
581                supports_reasoning: true,
582            },
583            ModelInfo {
584                id: "deepseek-ai/DeepSeek-V4-Flash".to_string(),
585                provider: ProviderKind::Together,
586                aliases: vec![
587                    "deepseek-v4-flash".to_string(),
588                    "deepseek-chat".to_string(),
589                    "together-deepseek-v4-flash".to_string(),
590                ],
591                supports_tools: true,
592                supports_reasoning: true,
593            },
594            // Qwen 3.7 Max (OpenRouter)
595            ModelInfo {
596                id: "qwen/qwen3.7-max".to_string(),
597                provider: ProviderKind::Openrouter,
598                aliases: vec!["qwen3.7-max".to_string(), "qwen-3.7-max".to_string()],
599                supports_tools: true,
600                supports_reasoning: true,
601            },
602            // OpenAI Codex (ChatGPT OAuth) models
603            ModelInfo {
604                id: "gpt-5.5".to_string(),
605                provider: ProviderKind::OpenaiCodex,
606                aliases: vec!["codex-gpt-5.5".to_string(), "chatgpt-gpt-5.5".to_string()],
607                supports_tools: true,
608                supports_reasoning: true,
609            },
610            // MiniMax 2.7 (OpenRouter)
611            ModelInfo {
612                id: "minimax/minimax-2.7".to_string(),
613                provider: ProviderKind::Openrouter,
614                aliases: vec![
615                    "minimax-2.7".to_string(),
616                    "minimax-2-7".to_string(),
617                    "openrouter-minimax-2.7".to_string(),
618                ],
619                supports_tools: true,
620                supports_reasoning: true,
621            },
622            // NVIDIA Nemotron 3 Ultra (OpenRouter)
623            ModelInfo {
624                id: "nvidia/nemotron-3-ultra".to_string(),
625                provider: ProviderKind::Openrouter,
626                aliases: vec![
627                    "nemotron-3-ultra".to_string(),
628                    "nvidia-nemotron-3-ultra".to_string(),
629                ],
630                supports_tools: true,
631                supports_reasoning: true,
632            },
633        ];
634        Self::new(models)
635    }
636}
637
638impl ModelRegistry {
639    /// Creates a new registry from a list of [`ModelInfo`] entries.
640    ///
641    /// Builds an internal alias map for fast lookup by model id or alias.
642    /// If multiple models share the same id or alias, the first one registered
643    /// takes priority.
644    #[must_use]
645    pub fn new(models: Vec<ModelInfo>) -> Self {
646        let mut alias_map = HashMap::new();
647        for (idx, model) in models.iter().enumerate() {
648            alias_map.entry(normalize(&model.id)).or_insert(idx);
649            for alias in &model.aliases {
650                alias_map.entry(normalize(alias)).or_insert(idx);
651            }
652        }
653        Self { models, alias_map }
654    }
655
656    /// Returns a clone of all models in the registry.
657    #[must_use]
658    pub fn list(&self) -> Vec<ModelInfo> {
659        self.models.clone()
660    }
661
662    /// Resolves a user-requested model name to a concrete [`ModelInfo`].
663    ///
664    /// Resolution follows this priority order:
665    /// 1. If the provider is Ollama, the requested name is used as-is (to
666    ///    support arbitrary local model tags like `qwen2.5-coder:7b`).
667    /// 2. If a `provider_hint` is given, search for a model matching that
668    ///    provider whose id or alias matches the request (case-insensitive).
669    /// 3. Look up the alias map for a case-insensitive match.
670    /// 4. Fall back to the first model belonging to the hinted provider
671    ///    (or DeepSeek if no hint was given).
672    /// 5. As a last resort, fall back to the first model in the registry.
673    #[must_use]
674    pub fn resolve(
675        &self,
676        requested: Option<&str>,
677        provider_hint: Option<ProviderKind>,
678    ) -> ModelResolution {
679        let mut fallback_chain = Vec::new();
680
681        if let Some(name) = requested {
682            fallback_chain.push(format!("requested:{name}"));
683            if provider_hint == Some(ProviderKind::Ollama) {
684                return ModelResolution {
685                    requested: Some(name.to_string()),
686                    resolved: ModelInfo {
687                        id: name.trim().to_string(),
688                        provider: ProviderKind::Ollama,
689                        aliases: Vec::new(),
690                        supports_tools: true,
691                        supports_reasoning: false,
692                    },
693                    used_fallback: false,
694                    fallback_chain,
695                };
696            }
697            if let Some(provider) = provider_hint
698                && let Some(model) = self
699                    .models
700                    .iter()
701                    .find(|m| m.provider == provider && model_matches(m, name))
702                    .cloned()
703            {
704                return ModelResolution {
705                    requested: Some(name.to_string()),
706                    resolved: model,
707                    used_fallback: false,
708                    fallback_chain,
709                };
710            }
711            if provider_hint == Some(ProviderKind::Atlascloud)
712                && let Some(model) = atlascloud_passthrough_model(name)
713            {
714                return ModelResolution {
715                    requested: Some(name.to_string()),
716                    resolved: model,
717                    used_fallback: false,
718                    fallback_chain,
719                };
720            }
721            if provider_hint == Some(ProviderKind::Arcee)
722                && let Some(model) = arcee_passthrough_model(name)
723            {
724                return ModelResolution {
725                    requested: Some(name.to_string()),
726                    resolved: model,
727                    used_fallback: false,
728                    fallback_chain,
729                };
730            }
731            if provider_hint == Some(ProviderKind::XiaomiMimo)
732                && let Some(model) = xiaomi_mimo_passthrough_model(name)
733            {
734                return ModelResolution {
735                    requested: Some(name.to_string()),
736                    resolved: model,
737                    used_fallback: false,
738                    fallback_chain,
739                };
740            }
741            if let Some(idx) = self.alias_map.get(&normalize(name)) {
742                return ModelResolution {
743                    requested: Some(name.to_string()),
744                    resolved: preserve_requested_model_id_case(self.models[*idx].clone(), name),
745                    used_fallback: false,
746                    fallback_chain,
747                };
748            }
749        }
750
751        let provider = provider_hint.unwrap_or(ProviderKind::Deepseek);
752        fallback_chain.push(format!("provider_default:{}", provider.as_str()));
753        if let Some(model) = self.models.iter().find(|m| m.provider == provider).cloned() {
754            return ModelResolution {
755                requested: requested.map(ToOwned::to_owned),
756                resolved: model,
757                used_fallback: true,
758                fallback_chain,
759            };
760        }
761
762        let final_fallback = self.models.first().cloned().unwrap_or(ModelInfo {
763            id: "deepseek-v4-pro".to_string(),
764            provider: ProviderKind::Deepseek,
765            aliases: Vec::new(),
766            supports_tools: true,
767            supports_reasoning: true,
768        });
769        fallback_chain.push("global_default:deepseek-v4-pro".to_string());
770        ModelResolution {
771            requested: requested.map(ToOwned::to_owned),
772            resolved: final_fallback,
773            used_fallback: true,
774            fallback_chain,
775        }
776    }
777}
778
779fn normalize(value: &str) -> String {
780    value.trim().to_ascii_lowercase()
781}
782
783#[must_use]
784/// Classify a model identifier by its underlying model family.
785pub fn model_family(model_id: &str) -> ModelFamily {
786    let normalized = normalize(model_id);
787    if normalized.is_empty() {
788        return ModelFamily::Inferencer;
789    }
790
791    if normalized.contains("deepseek") {
792        return ModelFamily::DeepSeek;
793    }
794    if normalized.contains("claude") || normalized.contains("anthropic") {
795        return ModelFamily::Anthropic;
796    }
797    if normalized.contains("gpt-oss") || normalized.contains("gpt_oss") {
798        return ModelFamily::GptOss;
799    }
800    if normalized.starts_with("gpt-")
801        || normalized.contains("/gpt-")
802        || normalized.contains("openai/")
803    {
804        return ModelFamily::OpenAI;
805    }
806    if normalized.contains("gemini")
807        || normalized.contains("gemma")
808        || normalized.contains("google/")
809    {
810        return ModelFamily::Google;
811    }
812    if normalized.contains("llama") || normalized.contains("meta-") || normalized.contains("meta/")
813    {
814        return ModelFamily::Meta;
815    }
816    if normalized.contains("mistral")
817        || normalized.contains("mixtral")
818        || normalized.contains("codestral")
819    {
820        return ModelFamily::Mistral;
821    }
822    if normalized.contains("qwen") {
823        return ModelFamily::Qwen;
824    }
825    if normalized.contains("grok") {
826        return ModelFamily::Grok;
827    }
828    if normalized.contains("cohere") || normalized.contains("command-r") {
829        return ModelFamily::Cohere;
830    }
831
832    ModelFamily::Inferencer
833}
834
835fn model_matches(model: &ModelInfo, requested: &str) -> bool {
836    let requested = normalize(requested);
837    normalize(&model.id) == requested
838        || model
839            .aliases
840            .iter()
841            .any(|alias| normalize(alias) == requested)
842}
843
844fn preserve_requested_model_id_case(mut model: ModelInfo, requested: &str) -> ModelInfo {
845    let requested = requested.trim();
846    if model.id.eq_ignore_ascii_case(requested) {
847        model.id = requested.to_string();
848    }
849    model
850}
851
852fn atlascloud_passthrough_model(requested: &str) -> Option<ModelInfo> {
853    let requested = requested.trim();
854    if requested.is_empty() || !requested.contains('/') {
855        return None;
856    }
857
858    Some(ModelInfo {
859        id: requested.to_string(),
860        provider: ProviderKind::Atlascloud,
861        aliases: Vec::new(),
862        supports_tools: true,
863        supports_reasoning: true,
864    })
865}
866
867fn arcee_passthrough_model(requested: &str) -> Option<ModelInfo> {
868    let requested = requested.trim();
869    if requested.is_empty() {
870        return None;
871    }
872    let supports_reasoning = requested.to_ascii_lowercase().contains("thinking");
873
874    Some(ModelInfo {
875        id: requested.to_string(),
876        provider: ProviderKind::Arcee,
877        aliases: Vec::new(),
878        supports_tools: true,
879        supports_reasoning,
880    })
881}
882
883fn xiaomi_mimo_passthrough_model(requested: &str) -> Option<ModelInfo> {
884    let requested = requested.trim();
885    if requested.is_empty() || requested.chars().any(char::is_control) {
886        return None;
887    }
888
889    Some(ModelInfo {
890        id: requested.to_string(),
891        provider: ProviderKind::XiaomiMimo,
892        aliases: Vec::new(),
893        supports_tools: true,
894        supports_reasoning: true,
895    })
896}
897
898#[cfg(test)]
899mod tests {
900    use super::*;
901
902    #[test]
903    fn deepseek_v4_pro_alias_stays_deepseek_by_default() {
904        let registry = ModelRegistry::default();
905        let resolved = registry.resolve(Some("deepseek-v4-pro"), None);
906
907        assert_eq!(resolved.resolved.provider, ProviderKind::Deepseek);
908        assert_eq!(resolved.resolved.id, "deepseek-v4-pro");
909    }
910
911    #[test]
912    fn deepseek_v4_pro_alias_resolves_to_nvidia_nim_when_provider_hinted() {
913        let registry = ModelRegistry::default();
914        let resolved = registry.resolve(Some("deepseek-v4-pro"), Some(ProviderKind::NvidiaNim));
915
916        assert_eq!(resolved.resolved.provider, ProviderKind::NvidiaNim);
917        assert_eq!(resolved.resolved.id, "deepseek-ai/deepseek-v4-pro");
918    }
919
920    #[test]
921    fn nvidia_nim_default_uses_catalog_model_id() {
922        let registry = ModelRegistry::default();
923        let resolved = registry.resolve(None, Some(ProviderKind::NvidiaNim));
924
925        assert_eq!(resolved.resolved.provider, ProviderKind::NvidiaNim);
926        assert_eq!(resolved.resolved.id, "deepseek-ai/deepseek-v4-pro");
927    }
928
929    #[test]
930    fn deepseek_v4_flash_alias_resolves_to_nvidia_nim_when_provider_hinted() {
931        let registry = ModelRegistry::default();
932        let resolved = registry.resolve(Some("deepseek-v4-flash"), Some(ProviderKind::NvidiaNim));
933
934        assert_eq!(resolved.resolved.provider, ProviderKind::NvidiaNim);
935        assert_eq!(resolved.resolved.id, "deepseek-ai/deepseek-v4-flash");
936    }
937
938    #[test]
939    fn atlascloud_default_uses_namespaced_model_id() {
940        let registry = ModelRegistry::default();
941        let resolved = registry.resolve(None, Some(ProviderKind::Atlascloud));
942
943        assert_eq!(resolved.resolved.provider, ProviderKind::Atlascloud);
944        assert_eq!(resolved.resolved.id, "deepseek-ai/deepseek-v4-flash");
945        assert!(resolved.resolved.supports_reasoning);
946    }
947
948    #[test]
949    fn deepseek_v4_flash_alias_resolves_to_atlascloud_when_provider_hinted() {
950        let registry = ModelRegistry::default();
951        let resolved = registry.resolve(Some("deepseek-v4-flash"), Some(ProviderKind::Atlascloud));
952
953        assert_eq!(resolved.resolved.provider, ProviderKind::Atlascloud);
954        assert_eq!(resolved.resolved.id, "deepseek-ai/deepseek-v4-flash");
955    }
956
957    #[test]
958    fn deepseek_v4_pro_alias_resolves_to_atlascloud_when_provider_hinted() {
959        let registry = ModelRegistry::default();
960        let resolved = registry.resolve(Some("deepseek-v4-pro"), Some(ProviderKind::Atlascloud));
961
962        assert_eq!(resolved.resolved.provider, ProviderKind::Atlascloud);
963        assert_eq!(resolved.resolved.id, "deepseek-ai/deepseek-v4-pro");
964    }
965
966    #[test]
967    fn atlascloud_provider_hint_passes_through_explicit_model_id() {
968        let registry = ModelRegistry::default();
969        let resolved =
970            registry.resolve(Some("openai/gpt-5.2-chat"), Some(ProviderKind::Atlascloud));
971
972        assert_eq!(resolved.resolved.provider, ProviderKind::Atlascloud);
973        assert_eq!(resolved.resolved.id, "openai/gpt-5.2-chat");
974        assert!(resolved.resolved.supports_tools);
975        assert!(resolved.resolved.supports_reasoning);
976        assert!(!resolved.used_fallback);
977    }
978
979    #[test]
980    fn atlascloud_provider_hint_preserves_explicit_model_id_case() {
981        let registry = ModelRegistry::default();
982        let resolved = registry.resolve(Some("Qwen/Qwen3-Coder"), Some(ProviderKind::Atlascloud));
983
984        assert_eq!(resolved.resolved.provider, ProviderKind::Atlascloud);
985        assert_eq!(resolved.resolved.id, "Qwen/Qwen3-Coder");
986        assert!(!resolved.used_fallback);
987    }
988
989    #[test]
990    fn atlascloud_plain_unknown_model_still_uses_provider_default() {
991        let registry = ModelRegistry::default();
992        let resolved = registry.resolve(Some("not-in-atlas"), Some(ProviderKind::Atlascloud));
993
994        assert_eq!(resolved.resolved.provider, ProviderKind::Atlascloud);
995        assert_eq!(resolved.resolved.id, "deepseek-ai/deepseek-v4-flash");
996        assert!(resolved.used_fallback);
997    }
998
999    #[test]
1000    fn openrouter_default_uses_namespaced_model_id() {
1001        let registry = ModelRegistry::default();
1002        let resolved = registry.resolve(None, Some(ProviderKind::Openrouter));
1003
1004        assert_eq!(resolved.resolved.provider, ProviderKind::Openrouter);
1005        assert_eq!(resolved.resolved.id, "deepseek/deepseek-v4-pro");
1006    }
1007
1008    #[test]
1009    fn xiaomi_mimo_default_uses_canonical_model_id() {
1010        let registry = ModelRegistry::default();
1011        let resolved = registry.resolve(None, Some(ProviderKind::XiaomiMimo));
1012
1013        assert_eq!(resolved.resolved.provider, ProviderKind::XiaomiMimo);
1014        assert_eq!(resolved.resolved.id, "mimo-v2.5-pro");
1015        assert!(resolved.resolved.supports_reasoning);
1016    }
1017
1018    #[test]
1019    fn xiaomi_mimo_tts_aliases_resolve_when_provider_hinted() {
1020        let registry = ModelRegistry::default();
1021        let resolved = registry.resolve(Some("tts"), Some(ProviderKind::XiaomiMimo));
1022        assert_eq!(resolved.resolved.provider, ProviderKind::XiaomiMimo);
1023        assert_eq!(resolved.resolved.id, "mimo-v2.5-tts");
1024        assert!(!resolved.resolved.supports_tools);
1025        assert!(!resolved.resolved.supports_reasoning);
1026
1027        let resolved = registry.resolve(Some("voice-design"), Some(ProviderKind::XiaomiMimo));
1028        assert_eq!(resolved.resolved.id, "mimo-v2.5-tts-voicedesign");
1029
1030        let resolved = registry.resolve(Some("voiceclone"), Some(ProviderKind::XiaomiMimo));
1031        assert_eq!(resolved.resolved.id, "mimo-v2.5-tts-voiceclone");
1032    }
1033
1034    #[test]
1035    fn xiaomi_mimo_chat_aliases_resolve_when_provider_hinted() {
1036        let registry = ModelRegistry::default();
1037
1038        let resolved = registry.resolve(Some("omni"), Some(ProviderKind::XiaomiMimo));
1039        assert_eq!(resolved.resolved.provider, ProviderKind::XiaomiMimo);
1040        assert_eq!(resolved.resolved.id, "mimo-v2.5");
1041        assert!(resolved.resolved.supports_tools);
1042    }
1043
1044    #[test]
1045    fn xiaomi_mimo_provider_hint_preserves_custom_model_id() {
1046        let registry = ModelRegistry::default();
1047        let resolved =
1048            registry.resolve(Some("account-custom-mimo"), Some(ProviderKind::XiaomiMimo));
1049
1050        assert_eq!(resolved.resolved.provider, ProviderKind::XiaomiMimo);
1051        assert_eq!(resolved.resolved.id, "account-custom-mimo");
1052        assert!(!resolved.used_fallback);
1053    }
1054
1055    #[test]
1056    fn xiaomi_mimo_provider_hint_does_not_reclassify_openrouter_model_id() {
1057        let registry = ModelRegistry::default();
1058        let resolved = registry.resolve(
1059            Some("deepseek/deepseek-v4-pro"),
1060            Some(ProviderKind::XiaomiMimo),
1061        );
1062
1063        assert_eq!(resolved.resolved.provider, ProviderKind::XiaomiMimo);
1064        assert_eq!(resolved.resolved.id, "deepseek/deepseek-v4-pro");
1065        assert!(!resolved.used_fallback);
1066    }
1067
1068    #[test]
1069    fn wanjie_ark_default_uses_reasoner_model_id() {
1070        let registry = ModelRegistry::default();
1071        let resolved = registry.resolve(None, Some(ProviderKind::WanjieArk));
1072
1073        assert_eq!(resolved.resolved.provider, ProviderKind::WanjieArk);
1074        assert_eq!(resolved.resolved.id, "deepseek-reasoner");
1075        assert!(resolved.resolved.supports_reasoning);
1076    }
1077
1078    #[test]
1079    fn novita_default_uses_namespaced_model_id() {
1080        let registry = ModelRegistry::default();
1081        let resolved = registry.resolve(None, Some(ProviderKind::Novita));
1082
1083        assert_eq!(resolved.resolved.provider, ProviderKind::Novita);
1084        assert_eq!(resolved.resolved.id, "deepseek/deepseek-v4-pro");
1085    }
1086
1087    #[test]
1088    fn fireworks_default_uses_canonical_model_id() {
1089        let registry = ModelRegistry::default();
1090        let resolved = registry.resolve(None, Some(ProviderKind::Fireworks));
1091
1092        assert_eq!(resolved.resolved.provider, ProviderKind::Fireworks);
1093        assert_eq!(
1094            resolved.resolved.id,
1095            "accounts/fireworks/models/deepseek-v4-pro"
1096        );
1097    }
1098
1099    #[test]
1100    fn siliconflow_default_uses_canonical_pro_model_id() {
1101        let registry = ModelRegistry::default();
1102        let resolved = registry.resolve(None, Some(ProviderKind::Siliconflow));
1103
1104        assert_eq!(resolved.resolved.provider, ProviderKind::Siliconflow);
1105        assert_eq!(resolved.resolved.id, "deepseek-ai/DeepSeek-V4-Pro");
1106        assert!(resolved.resolved.supports_reasoning);
1107    }
1108
1109    #[test]
1110    fn arcee_default_uses_direct_trinity_large_thinking_model_id() {
1111        let registry = ModelRegistry::default();
1112        let resolved = registry.resolve(None, Some(ProviderKind::Arcee));
1113
1114        assert_eq!(resolved.resolved.provider, ProviderKind::Arcee);
1115        assert_eq!(resolved.resolved.id, "trinity-large-thinking");
1116        assert!(resolved.resolved.supports_reasoning);
1117    }
1118
1119    #[test]
1120    fn arcee_trinity_alias_resolves_to_direct_large_thinking_not_openrouter() {
1121        let registry = ModelRegistry::default();
1122        let resolved = registry.resolve(Some("trinity"), Some(ProviderKind::Arcee));
1123
1124        assert_eq!(resolved.resolved.provider, ProviderKind::Arcee);
1125        assert_eq!(resolved.resolved.id, "trinity-large-thinking");
1126        assert!(resolved.resolved.supports_reasoning);
1127    }
1128
1129    #[test]
1130    fn arcee_trinity_mini_remains_explicit_compatibility_model() {
1131        let registry = ModelRegistry::default();
1132        let resolved = registry.resolve(Some("trinity-mini"), Some(ProviderKind::Arcee));
1133
1134        assert_eq!(resolved.resolved.provider, ProviderKind::Arcee);
1135        assert_eq!(resolved.resolved.id, "trinity-mini");
1136        assert!(!resolved.resolved.supports_reasoning);
1137    }
1138
1139    #[test]
1140    fn arcee_provider_hint_preserves_explicit_future_model_id() {
1141        let registry = ModelRegistry::default();
1142        let resolved = registry.resolve(Some("trinity-large-next"), Some(ProviderKind::Arcee));
1143
1144        assert_eq!(resolved.resolved.provider, ProviderKind::Arcee);
1145        assert_eq!(resolved.resolved.id, "trinity-large-next");
1146        assert!(!resolved.resolved.supports_reasoning);
1147        assert!(!resolved.used_fallback);
1148    }
1149
1150    #[test]
1151    fn deepseek_reasoner_alias_resolves_to_siliconflow_pro_when_provider_hinted() {
1152        let registry = ModelRegistry::default();
1153        let resolved = registry.resolve(Some("deepseek-reasoner"), Some(ProviderKind::Siliconflow));
1154
1155        assert_eq!(resolved.resolved.provider, ProviderKind::Siliconflow);
1156        assert_eq!(resolved.resolved.id, "deepseek-ai/DeepSeek-V4-Pro");
1157    }
1158
1159    #[test]
1160    fn deepseek_v4_flash_alias_resolves_to_siliconflow_flash_when_provider_hinted() {
1161        let registry = ModelRegistry::default();
1162        let resolved = registry.resolve(Some("deepseek-v4-flash"), Some(ProviderKind::Siliconflow));
1163
1164        assert_eq!(resolved.resolved.provider, ProviderKind::Siliconflow);
1165        assert_eq!(resolved.resolved.id, "deepseek-ai/DeepSeek-V4-Flash");
1166    }
1167
1168    #[test]
1169    fn sglang_default_uses_canonical_model_id() {
1170        let registry = ModelRegistry::default();
1171        let resolved = registry.resolve(None, Some(ProviderKind::Sglang));
1172
1173        assert_eq!(resolved.resolved.provider, ProviderKind::Sglang);
1174        assert_eq!(resolved.resolved.id, "deepseek-ai/DeepSeek-V4-Pro");
1175    }
1176
1177    #[test]
1178    fn deepseek_v4_flash_alias_resolves_to_openrouter_when_provider_hinted() {
1179        let registry = ModelRegistry::default();
1180        let resolved = registry.resolve(Some("deepseek-v4-flash"), Some(ProviderKind::Openrouter));
1181
1182        assert_eq!(resolved.resolved.provider, ProviderKind::Openrouter);
1183        assert_eq!(resolved.resolved.id, "deepseek/deepseek-v4-flash");
1184    }
1185
1186    #[test]
1187    fn recent_openrouter_large_model_aliases_resolve_when_provider_hinted() {
1188        let registry = ModelRegistry::default();
1189
1190        for (alias, expected) in [
1191            ("trinity-large-thinking", "arcee-ai/trinity-large-thinking"),
1192            ("qwen3.6-flash", "qwen/qwen3.6-flash"),
1193            ("qwen3.6-35b-a3b", "qwen/qwen3.6-35b-a3b"),
1194            ("qwen3.6-max-preview", "qwen/qwen3.6-max-preview"),
1195            ("qwen3.6-plus", "qwen/qwen3.6-plus"),
1196            ("gemma-4-31b-it", "google/gemma-4-31b-it"),
1197            ("glm-5.1", "z-ai/glm-5.1"),
1198            ("minimax-m3", "minimax/minimax-m3"),
1199            ("openrouter-mimo-v2.5-pro", "xiaomi/mimo-v2.5-pro"),
1200            ("openrouter-kimi-k2.6", "moonshotai/kimi-k2.6"),
1201        ] {
1202            let resolved = registry.resolve(Some(alias), Some(ProviderKind::Openrouter));
1203
1204            assert_eq!(resolved.resolved.provider, ProviderKind::Openrouter);
1205            assert_eq!(resolved.resolved.id, expected);
1206            assert!(resolved.resolved.supports_tools);
1207            assert!(resolved.resolved.supports_reasoning);
1208        }
1209    }
1210
1211    #[test]
1212    fn deepseek_v4_flash_alias_resolves_to_novita_when_provider_hinted() {
1213        let registry = ModelRegistry::default();
1214        let resolved = registry.resolve(Some("deepseek-v4-flash"), Some(ProviderKind::Novita));
1215
1216        assert_eq!(resolved.resolved.provider, ProviderKind::Novita);
1217        assert_eq!(resolved.resolved.id, "deepseek/deepseek-v4-flash");
1218    }
1219
1220    #[test]
1221    fn deepseek_v4_flash_alias_resolves_to_sglang_when_provider_hinted() {
1222        let registry = ModelRegistry::default();
1223        let resolved = registry.resolve(Some("deepseek-v4-flash"), Some(ProviderKind::Sglang));
1224
1225        assert_eq!(resolved.resolved.provider, ProviderKind::Sglang);
1226        assert_eq!(resolved.resolved.id, "deepseek-ai/DeepSeek-V4-Flash");
1227    }
1228
1229    #[test]
1230    fn vllm_default_uses_canonical_model_id() {
1231        let registry = ModelRegistry::default();
1232        let resolved = registry.resolve(None, Some(ProviderKind::Vllm));
1233
1234        assert_eq!(resolved.resolved.provider, ProviderKind::Vllm);
1235        assert_eq!(resolved.resolved.id, "deepseek-ai/DeepSeek-V4-Pro");
1236    }
1237
1238    #[test]
1239    fn ollama_default_uses_small_local_model_id() {
1240        let registry = ModelRegistry::default();
1241        let resolved = registry.resolve(None, Some(ProviderKind::Ollama));
1242
1243        assert_eq!(resolved.resolved.provider, ProviderKind::Ollama);
1244        assert_eq!(resolved.resolved.id, "deepseek-coder:1.3b");
1245        assert!(!resolved.resolved.supports_reasoning);
1246    }
1247
1248    #[test]
1249    fn ollama_requested_model_tag_is_preserved() {
1250        let registry = ModelRegistry::default();
1251        let resolved = registry.resolve(Some("qwen2.5-coder:7b"), Some(ProviderKind::Ollama));
1252
1253        assert_eq!(resolved.resolved.provider, ProviderKind::Ollama);
1254        assert_eq!(resolved.resolved.id, "qwen2.5-coder:7b");
1255        assert!(!resolved.used_fallback);
1256    }
1257
1258    #[test]
1259    fn deepseek_v4_flash_alias_resolves_to_vllm_when_provider_hinted() {
1260        let registry = ModelRegistry::default();
1261        let resolved = registry.resolve(Some("deepseek-v4-flash"), Some(ProviderKind::Vllm));
1262
1263        assert_eq!(resolved.resolved.provider, ProviderKind::Vllm);
1264        assert_eq!(resolved.resolved.id, "deepseek-ai/DeepSeek-V4-Flash");
1265    }
1266
1267    #[test]
1268    fn preserves_requested_model_casing_for_third_party_providers() {
1269        let registry = ModelRegistry::default();
1270        let resolved = registry.resolve(Some("DeepSeek-V4-Pro"), None);
1271
1272        assert_eq!(resolved.resolved.provider, ProviderKind::Deepseek);
1273        assert_eq!(resolved.resolved.id, "DeepSeek-V4-Pro");
1274    }
1275
1276    #[test]
1277    fn registry_casing_takes_priority_over_requested_casing_with_provider_hint() {
1278        let registry = ModelRegistry::default();
1279        let resolved = registry.resolve(Some("DeepSeek-V4-Pro"), Some(ProviderKind::Deepseek));
1280
1281        assert_eq!(resolved.resolved.provider, ProviderKind::Deepseek);
1282        // Registry's canonical id is used even when user provides different casing
1283        assert_eq!(resolved.resolved.id, "deepseek-v4-pro");
1284    }
1285
1286    #[test]
1287    fn preserves_requested_model_casing_without_surrounding_whitespace() {
1288        let registry = ModelRegistry::default();
1289        let resolved = registry.resolve(Some("  DeepSeek-V4-Pro  "), None);
1290
1291        assert_eq!(resolved.resolved.provider, ProviderKind::Deepseek);
1292        assert_eq!(resolved.resolved.id, "DeepSeek-V4-Pro");
1293    }
1294
1295    #[test]
1296    fn alias_match_does_not_override_requested_casing() {
1297        let registry = ModelRegistry::default();
1298        let resolved = registry.resolve(Some("deepseek-reasoner"), None);
1299
1300        assert_eq!(resolved.resolved.provider, ProviderKind::Deepseek);
1301        assert_eq!(resolved.resolved.id, "deepseek-v4-flash");
1302    }
1303
1304    #[test]
1305    fn model_family_classifies_known_model_ids() {
1306        assert_eq!(model_family("deepseek-v4-pro"), ModelFamily::DeepSeek);
1307        assert_eq!(model_family("openai/gpt-5.4"), ModelFamily::OpenAI);
1308        assert_eq!(
1309            model_family("anthropic/claude-opus-4-7"),
1310            ModelFamily::Anthropic
1311        );
1312        assert_eq!(
1313            model_family("meta-llama/llama-3.3-70b-instruct"),
1314            ModelFamily::Meta
1315        );
1316        assert_eq!(model_family("Qwen/Qwen3-Coder"), ModelFamily::Qwen);
1317    }
1318
1319    #[test]
1320    fn model_family_uses_underlying_model_for_router_ids() {
1321        assert_eq!(
1322            model_family("groq/llama-3.3-70b-versatile"),
1323            ModelFamily::Meta
1324        );
1325        assert_eq!(
1326            model_family("openrouter/openai/gpt-5.4"),
1327            ModelFamily::OpenAI
1328        );
1329        assert_eq!(
1330            model_family("fireworks/accounts/fireworks/models/deepseek-v4-pro"),
1331            ModelFamily::DeepSeek
1332        );
1333    }
1334
1335    #[test]
1336    fn model_family_covers_prominent_google_and_mistral_model_names() {
1337        assert_eq!(model_family("google/gemma-3-27b-it"), ModelFamily::Google);
1338        assert_eq!(
1339            model_family("mistralai/mixtral-8x22b"),
1340            ModelFamily::Mistral
1341        );
1342        assert_eq!(model_family("codestral-latest"), ModelFamily::Mistral);
1343    }
1344
1345    #[test]
1346    fn model_family_falls_back_to_inferencer_for_unknown_models() {
1347        assert_eq!(
1348            model_family("custom-gateway/my-private-model"),
1349            ModelFamily::Inferencer
1350        );
1351        assert_eq!(model_family(""), ModelFamily::Inferencer);
1352    }
1353}
codewhale_agent/lib.rs

codewhale_agent/
lib.rs
