feat: LUNAROUTE marker-based provider routing#34
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Describes the feature for dynamically overriding which provider handles a request via [LUNAROUTE:provider] markers in request bodies, enabling Claude Code users to switch providers on-the-fly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Fix critical and major issues from spec review: - Add provider_type field for extra providers (connector type inference) - Document serde flatten caveats and validation requirements - Add extra providers connector construction note - Clarify streaming + non-streaming connector swap paths - Use MarkerResult enum instead of Option for clear/provider/none - Add stripping regexes for system-reminder blocks - Document req mutability requirement - Add /v1/responses and /v1/models to Out of Scope Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
10 tasks covering: marker extraction/stripping module, config changes, provider registry type, startup construction, handler integration (both Anthropic and OpenAI), config example, and integration tests. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
After reviewing the client-side Claude Code plugin, updated both spec and plan to match actual plugin behavior: - extract_marker scans only the last user message (not all messages), since old markers persist in conversation history - strip_marker operates on last user message only - Added tests for old-marker-ignored and last-message-wins scenarios - Documented subagent routing (plain text marker, no system-reminder) - Noted that [LUNAROUTE:clear] is handled client-side only Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Add `provider_type` and `model` fields to `ProviderSettings`, an `extra` HashMap to `ProvidersConfig` for marker-based routing of named providers, and a `validate_extra_providers()` method with full test coverage. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Fix pre-existing build failures: add missing provider_registry argument to passthrough_router calls in integration test files, and suppress clippy::too_many_arguments on multi_dialect::passthrough_router. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…andler Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Remove stale #[allow(dead_code)] from validate_extra_providers (it IS called) - Add debug log when marker found but no provider registry available Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
[LUNAROUTE:provider_name]marker detection in passthrough request bodies to dynamically route requests to named providersserde(flatten)with optional model overridelunaroute:<provider>,model_override:<model>)This enables Claude Code users to switch providers on-the-fly via a
#!providercommand (e.g.,#!sonnet) without restarting sessions or changing configuration. The client-side plugin injects the marker; the proxy handles routing.Changes
marker.rs(new, 433 lines)extract_marker(),strip_marker(), 19 unit testsprovider_registry.rs(new)ProviderType,ProviderEntry,ProviderRegistrytypesconfig.rsprovider_type,modelfields +extraproviders via serde flattenmain.rsProviderRegistryfrom config at startupanthropic.rsmessages_passthroughopenai.rschat_completions_passthroughmulti_dialect.rsconfig.example.yamlCargo.tomlError handling
Test plan
cargo testpasses (0 failures)🤖 Generated with Claude Code