- models.dev catalog data and AI SDK provider behavior are the default sources of truth for general model/provider support. - Do not build a broad Cline-maintained model capability or behavior registry. - GatewayModelCapability is semantic: what the model can do, not provider quirks, default behavior, or wire-format details. - Stable, reliable known-model facts belong in typed
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--- description: Development guidance for the @cline/llms package. globs: "src/**/*.ts,src/**/*.tsx,*.md" alwaysApply: true --- # @cline/llms Development Guidance ## Provider Option Routing - `models.dev` catalog data and AI SDK provider behavior are the default sources of truth for general model/provider support. - Do not build a broad Cline-maintained model capability or behavior registry. - `GatewayModelCapability` is semantic: what the model can do, not provider quirks, default behavior, or wire-format details. - Stable, reliable known-model facts belong in typed `ModelInfo.metadata` helpers or `src/providers/model-facts.ts`. - Stable provider routing facts belong in `GatewayProviderMetadata.routing` and the relevant builtin provider manifest. For example, if a native provider uses a known reasoning wire format for a model route, add a typed `GatewayReasoningFormat` value and route metadata instead of matching that provider id directly in a rule predicate. - Provider wire-format encoding belongs in `PROVIDER_OPTION_RULES` and codec helpers under `src/providers/routing`. - Local or dynamic provider fallbacks, such as Ollama or routed model-id heuristics, are allowed only as documented, narrowly scoped, tested exceptions. - Fallback heuristics need negative or graceful-degradation tests, not only happy-path tests. When changing provider options, keep the split explicit: ```text request intent + model/provider facts -> named provider-option rule -> provider wire format ``` If the same fact-resolution logic is needed across several providers, use a shared helper first. Add a new registry only after repeated logic proves the rule table and helpers are no longer enough.
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- models.dev catalog data and AI SDK provider behavior are the default sources of truth for general model/provider support. - Do not build a broad Cline-maintained model capability or behavior registry. - GatewayModelCapability is semantic: what the model can do, not provider quirks, default behavior, or wire-format details. - Stable, reliable known-model facts belong in typed
--- description: Development guidance for the @cline/llms package. globs: "src/**/*.ts,src/**/*.tsx,*.md" alwaysApply: true --- # @cline/llms Development Guidance ## Provider Option Routing - `models.dev` catalog data and AI SDK provider behavior are the default sources of truth for general model/provider support. - Do not build a broad Cline-maintained model capability or behavior registry. - `GatewayModelCapability` is semantic: what the model can do, not provider quirks, default behavior, or wire-format details. - Stable, reliable known-model facts belong in typed `ModelInfo.metadata` helpers or `src/providers/model-facts.ts`. - Stable provider routing facts belong in `GatewayProviderMetadata.routing` and the relevant builtin provider manifest. For example, if a native provider uses a known reasoning wire format for a model route, add a typed `GatewayReasoningFormat` value and route metadata instead of matching that provider id directly in a rule predicate. - Provider wire-format encoding belongs in `PROVIDER_OPTION_RULES` and codec helpers under `src/providers/routing`. - Local or dynamic provider fallbacks, such as Ollama or routed model-id heuristics, are allowed only as documented, narrowly scoped, tested exceptions. - Fallback heuristics need negative or graceful-degradation tests, not only happy-path tests. When changing provider options, keep the split explicit: ```text request intent + model/provider facts -> named provider-option rule -> provider wire format ``` If the same fact-resolution logic is needed across several providers, use a shared helper first. Add a new registry only after repeated logic proves the rule table and helpers are no longer enough.