Decouple and fix mistral (#595)

* decouple and fix mistral

* fix wrong variable for currentBaseUrl and buildAPIProviderProperties

src/utils/model/model.ts

@@ -39,6 +39,9 @@ export function getSmallFastModel(): ModelName {
   if (getAPIProvider() === 'gemini') {
     return process.env.GEMINI_MODEL || 'gemini-2.0-flash-lite'
   }
+  if (getAPIProvider() === 'mistral') {
+    return process.env.MISTRAL_MODEL || 'ministral-3b-latest'
+  }
   // For OpenAI provider, use OPENAI_MODEL or a sensible default
   if (getAPIProvider() === 'openai') {
     return process.env.OPENAI_MODEL || 'gpt-4o-mini'
@@ -84,9 +87,8 @@ export function getUserSpecifiedModelSetting(): ModelSetting | undefined {
     const provider = getAPIProvider()
     specifiedModel =
       (provider === 'gemini' ? process.env.GEMINI_MODEL : undefined) ||
-      (provider === 'openai' || provider === 'gemini' || provider === 'github'
-        ? process.env.OPENAI_MODEL
-        : undefined) ||
+      (provider === 'mistral' ? process.env.MISTRAL_MODEL : undefined) ||
+      (provider === 'openai' || provider === 'gemini' || provider === 'mistral' || provider === 'github' ? process.env.OPENAI_MODEL : undefined) ||
       (provider === 'firstParty' ? process.env.ANTHROPIC_MODEL : undefined) ||
       settings.model ||
       undefined
@@ -133,6 +135,10 @@ export function getDefaultOpusModel(): ModelName {
   if (getAPIProvider() === 'gemini') {
     return process.env.GEMINI_MODEL || 'gemini-2.5-pro-preview-03-25'
   }
+  // Mistral provider
+  if (getAPIProvider() === 'mistral') {
+    return process.env.MISTRAL_MODEL || 'devstral-latest'
+  }
   // OpenAI provider: use user-specified model or default
   if (getAPIProvider() === 'openai') {
     return process.env.OPENAI_MODEL || 'gpt-4o'
@@ -163,6 +169,10 @@ export function getDefaultSonnetModel(): ModelName {
   if (getAPIProvider() === 'gemini') {
     return process.env.GEMINI_MODEL || 'gemini-2.0-flash'
   }
+  // Mistral provider
+  if (getAPIProvider() === 'mistral') {
+    return process.env.MISTRAL_MODEL || 'mistral-medium-latest'
+  }
   // OpenAI provider
   if (getAPIProvider() === 'openai') {
     return process.env.OPENAI_MODEL || 'gpt-4o'
@@ -187,6 +197,10 @@ export function getDefaultHaikuModel(): ModelName {
   if (process.env.ANTHROPIC_DEFAULT_HAIKU_MODEL) {
     return process.env.ANTHROPIC_DEFAULT_HAIKU_MODEL
   }
+  // Mistral provider
+  if (getAPIProvider() === 'mistral') {
+    return process.env.MISTRAL_MODEL || 'ministral-3b-latest'
+  }
   // OpenAI provider
   if (getAPIProvider() === 'openai') {
     return process.env.OPENAI_MODEL || 'gpt-4o-mini'
@@ -256,6 +270,9 @@ export function getDefaultMainLoopModelSetting(): ModelName | ModelAlias {
   if (getAPIProvider() === 'gemini') {
     return process.env.GEMINI_MODEL || 'gemini-2.0-flash'
   }
+  if (getAPIProvider() === 'mistral') {
+    return process.env.MISTRAL_MODEL || 'devstral-latest'
+  }
   // OpenAI provider: always use the configured OpenAI model
   if (getAPIProvider() === 'openai') {
     return process.env.OPENAI_MODEL || 'gpt-4o'

src/utils/model/openaiContextWindows.ts

@@ -79,8 +79,10 @@ const OPENAI_CONTEXT_WINDOWS: Record<string, number> = {
   'mixtral-8x7b-32768':        32_768,
 
   // Mistral
-  'mistral-large-latest':     131_072,
-  'mistral-small-latest':     131_072,
+  'mistral-large-latest':     256_000,
+  'mistral-small-latest':     256_000,
+  'devstral-latest':          256_000,
+  'ministral-3b-latest':      256_000,
 
   // MiniMax
   'MiniMax-M2.7':             204_800,

src/utils/model/providers.ts

@@ -11,10 +11,14 @@ export type APIProvider =
   | 'gemini'
   | 'github'
   | 'codex'
+  | 'mistral'
 
 export function getAPIProvider(): APIProvider {
   return isEnvTruthy(process.env.CLAUDE_CODE_USE_GEMINI)
     ? 'gemini'
+    :
+    isEnvTruthy(process.env.CLAUDE_CODE_USE_MISTRAL)
+    ? 'mistral'
     : isEnvTruthy(process.env.CLAUDE_CODE_USE_GITHUB)
       ? 'github'
       : isEnvTruthy(process.env.CLAUDE_CODE_USE_OPENAI)