Add custom base URL support for Anthropic provider#12718
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melissa-barca wants to merge 5 commits intomainfrom
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Add custom base URL support for Anthropic provider#12718melissa-barca wants to merge 5 commits intomainfrom
melissa-barca wants to merge 5 commits intomainfrom
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Support custom base URLs for the Anthropic provider to enable corporate proxies, litellm, and other Anthropic-compatible endpoints. - Add baseUrl to supportedOptions so the config dialog renders the field - Add baseUrl getter with /v1 suffix and trailing slash normalization - Pass baseURL to the Anthropic SDK client constructor - Relax sk-ant- key format validation when a custom URL is set - Handle 404 gracefully in resolveConnection for custom endpoints - Read ANTHROPIC_BASE_URL env var for autoconfigure and config dialog - Add tests for baseUrl getter, validateCredentials, and env var support
…8007) Add baseUrl support to the Anthropic Vercel provider, update the auth extension validator to derive the models endpoint from config.baseUrl, and fix the close-modal warning for autoconfigured providers.
) Route ANTHROPIC_API_KEY environment variable credentials through the auth extension's credential chain pattern so they appear as standard auth sessions. This lets other extensions access Anthropic credentials via vscode.authentication.getSession without knowing how they were configured. - Add credential chain to Anthropic auth provider for env var resolution - Add authentication.anthropic.baseUrl config setting synced from ANTHROPIC_BASE_URL env var - Protect chain sessions from UI deletion (must unset env var to remove) - Delegate env var credential checks from positron-assistant to auth extension sessions for migrated providers
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E2E Tests 🚀 |
…8007) - Validate ANTHROPIC_API_KEY against the configured base URL during credential chain resolution, preventing sign-in with invalid keys - Sync ANTHROPIC_BASE_URL to config before chain resolution so validation uses the correct endpoint - Block removal of chain sessions when the credential source is still available (env var still set), preventing inconsistent state where models work but UI shows signed out - Show informational message when sign-out is blocked explaining that env var credentials cannot be removed from the UI
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Summary
Addresses #8007
Adds custom base URL support for Anthropic.
ANTHROPIC_BASE_URLenvironment variable for automatic configuration/v1, Vercel SDK requires it)/v1/modelsas a successful connection for custom endpoints that don't expose model listing@:assistant