init claude-code

2026-04-01 17:32:37 +02:00
commit 73b208c009
1902 changed files with 513237 additions and 0 deletions
@@ -0,0 +1,101 @@
+/**
+ * Model deprecation utilities
+ *
+ * Contains information about deprecated models and their retirement dates.
+ */
+
+import { type APIProvider, getAPIProvider } from './providers.js'
+
+type DeprecatedModelInfo = {
+  isDeprecated: true
+  modelName: string
+  retirementDate: string
+}
+
+type NotDeprecatedInfo = {
+  isDeprecated: false
+}
+
+type DeprecationInfo = DeprecatedModelInfo | NotDeprecatedInfo
+
+type DeprecationEntry = {
+  /** Human-readable model name */
+  modelName: string
+  /** Retirement dates by provider (null = not deprecated for that provider) */
+  retirementDates: Record<APIProvider, string | null>
+}
+
+/**
+ * Deprecated models and their retirement dates by provider.
+ * Keys are substrings to match in model IDs (case-insensitive).
+ * To add a new deprecated model, add an entry to this object.
+ */
+const DEPRECATED_MODELS: Record<string, DeprecationEntry> = {
+  'claude-3-opus': {
+    modelName: 'Claude 3 Opus',
+    retirementDates: {
+      firstParty: 'January 5, 2026',
+      bedrock: 'January 15, 2026',
+      vertex: 'January 5, 2026',
+      foundry: 'January 5, 2026',
+    },
+  },
+  'claude-3-7-sonnet': {
+    modelName: 'Claude 3.7 Sonnet',
+    retirementDates: {
+      firstParty: 'February 19, 2026',
+      bedrock: 'April 28, 2026',
+      vertex: 'May 11, 2026',
+      foundry: 'February 19, 2026',
+    },
+  },
+  'claude-3-5-haiku': {
+    modelName: 'Claude 3.5 Haiku',
+    retirementDates: {
+      firstParty: 'February 19, 2026',
+      bedrock: null,
+      vertex: null,
+      foundry: null,
+    },
+  },
+}
+
+/**
+ * Check if a model is deprecated and get its deprecation info
+ */
+function getDeprecatedModelInfo(modelId: string): DeprecationInfo {
+  const lowercaseModelId = modelId.toLowerCase()
+  const provider = getAPIProvider()
+
+  for (const [key, value] of Object.entries(DEPRECATED_MODELS)) {
+    const retirementDate = value.retirementDates[provider]
+    if (!lowercaseModelId.includes(key) || !retirementDate) {
+      continue
+    }
+    return {
+      isDeprecated: true,
+      modelName: value.modelName,
+      retirementDate,
+    }
+  }
+
+  return { isDeprecated: false }
+}
+
+/**
+ * Get a deprecation warning message for a model, or null if not deprecated
+ */
+export function getModelDeprecationWarning(
+  modelId: string | null,
+): string | null {
+  if (!modelId) {
+    return null
+  }
+
+  const info = getDeprecatedModelInfo(modelId)
+  if (!info.isDeprecated) {
+    return null
+  }
+
+  return `⚠ ${info.modelName} will be retired on ${info.retirementDate}. Consider switching to a newer model.`
+}