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Zane Tung
9fed4ec136
* feat: add anthropic-messages protocol support Add native Anthropic Messages API format support to enable compatibility with custom endpoints that only support Anthropic's native message format (not OpenAI-compatible format). Changes: - Add new pkg/providers/anthropic_messages package with HTTP-based provider - Implement Anthropic Messages API request/response format conversion - Add anthropic-messages protocol support in factory_provider.go - Include comprehensive unit tests (64.2% coverage) Features: - Support for system, user, assistant, and tool messages - Support for tool calls (tool_use blocks) - Proper header handling (x-api-key, anthropic-version) - Configurable max_tokens and temperature - Automatic base URL normalization Configuration example: model: "anthropic-messages/claude-opus-4-6" api_base: "https://api.anthropic.com" api_key: "sk-..." Tested with actual API endpoint, verified compatibility with Anthropic Messages API specification. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * docs: add anthropic-messages protocol examples to README and config Add configuration examples and documentation for the new anthropic-messages protocol: - config.example.json: Add claude-opus-4.6 example with anthropic-messages - README.md: Add "Anthropic Messages API (native format)" section - README.zh.md: Add Chinese version of the documentation This helps users understand when to use anthropic-messages vs anthropic protocol and fixes issue #269. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: format code with gofmt -s - Align constant definitions in provider.go - Align struct fields in test cases - Fix gofmt formatting issues reported in review 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: address linter errors - Fix HTTP header canonical form: "x-api-key" → "X-API-Key" - Fix HTTP header canonical form: "anthropic-version" → "Anthropic-Version" - Format imports with gci (standard, default, localmodule order) - Format code with golines (max line length 120) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: resolve golangci-lint errors in anthropic-messages provider - add nolint comment for canonicalheader rule on X-API-Key header (Anthropic API requires exact casing) - fix golines formatting issues in provider_test.go (split long lines under 120 chars) - fix long comment line in factory_provider.go (split into two lines) Resolves CI linter failures for the anthropic-messages protocol implementation. * fix(providers): address review comments in anthropic-messages provider - fix normalizeBaseURL edge case that incorrectly appends /v1 to URLs already containing /v1 path (e.g., https://api.example.com/v1/proxy) - remove dead code for apiBase empty check as normalizeBaseURL() always provides a default value - update test to use proper constructor instead of direct struct initialization - add detailed comments explaining the URL normalization logic Resolves review comments on PR #1284 * fix(providers): remove hardcoded max_tokens in anthropic-messages provider - remove hardcoded max_tokens value (4096) from buildRequestBody - read max_tokens directly from options parameter - add error handling when max_tokens is missing from options - update test cases to include max_tokens in options This fix ensures the provider respects the config default value (32768) or system fallback (8192) instead of always using the hardcoded 4096. * fix(providers): improve error handling and add edge case tests - fix ToolCalls nil vs empty slice issue to ensure consistent JSON serialization - add detailed HTTP error handling for common status codes (401, 429, 400, 404, 500, 503) - add edge case tests for buildRequestBody and parseResponseBody - clarify anthropic vs anthropic-messages protocol differences in docs --------- Co-authored-by: Claude <noreply@anthropic.com>