739 lines
27 KiB
TypeScript
739 lines
27 KiB
TypeScript
import { PROVIDER_ID_TO_ALIAS, PROVIDER_MODELS } from "../config/providerModels.ts";
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import { resolveWildcardAlias } from "./wildcardRouter.ts";
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type ProviderModelAliasMap = Record<string, Record<string, string>>;
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type ModelAliasValue = string | { provider?: string; model?: string };
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type ModelAliasMap = Record<string, ModelAliasValue>;
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type ParsedModel = {
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provider: string | null;
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model: string | null;
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isAlias: boolean;
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providerAlias: string | null;
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extendedContext: boolean;
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};
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type ResolvedModelTarget = {
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provider?: string | null;
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model: string | null;
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};
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// Derive alias→provider mapping from the single source of truth (PROVIDER_ID_TO_ALIAS)
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// This prevents the two maps from drifting out of sync
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const ALIAS_TO_PROVIDER_ID: Record<string, string> = {};
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for (const [id, alias] of Object.entries(PROVIDER_ID_TO_ALIAS)) {
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if (ALIAS_TO_PROVIDER_ID[alias]) {
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console.log(
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`[MODEL] Warning: alias "${alias}" maps to both "${ALIAS_TO_PROVIDER_ID[alias]}" and "${id}". Using "${id}".`
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);
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}
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ALIAS_TO_PROVIDER_ID[alias] = id;
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}
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// Manual alias overrides — maps slug-style prefixes to canonical provider IDs.
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// These live outside the registry because they represent multiple providers
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// or backward-compatible slug changes, not a single provider's display name.
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// opencode/ → opencode-zen (the main free/open tier; opencode-go is a separate paid tier)
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ALIAS_TO_PROVIDER_ID["opencode"] = "opencode-zen";
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// xiaomi/ is the user-visible prefix for MiMo models; register it so
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// parseModel("xiaomi/mimo-v2-flash") resolves provider = "xiaomi-mimo" instead
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// of falling through to the identity fallback ("xiaomi").
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ALIAS_TO_PROVIDER_ID["xiaomi"] = "xiaomi-mimo";
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// llamacpp/ is the user-visible alias for the llama-cpp self-hosted provider.
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// The canonical ID is "llama-cpp" (with a hyphen), but the catalog and user-facing
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// prefix is "llamacpp". Register it so parseModel("llamacpp/<model>") resolves
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// provider = "llama-cpp" instead of the identity fallback ("llamacpp").
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ALIAS_TO_PROVIDER_ID["llamacpp"] = "llama-cpp";
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// Provider-scoped legacy model aliases. Used to normalize provider/model inputs
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// and keep backward compatibility when upstream IDs change.
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const PROVIDER_MODEL_ALIASES: ProviderModelAliasMap = {
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openai: {
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"gpt-4o-mini": "gpt-4o-mini",
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},
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github: {
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"claude-4.5-opus": "claude-opus-4-5-20251101",
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"claude-opus-4.5": "claude-opus-4-5-20251101",
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"gemini-3-pro": "gemini-3.1-pro-preview",
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"gemini-3-pro-preview": "gemini-3.1-pro-preview",
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"gemini-3-flash": "gemini-3-flash-preview",
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"raptor-mini": "oswe-vscode-prime",
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},
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gemini: {
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"gemini-3.1-pro": "gemini-3.1-pro-preview",
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"gemini-3-1-pro": "gemini-3.1-pro-preview",
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},
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nvidia: {
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"gpt-oss-120b": "openai/gpt-oss-120b",
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"nvidia/gpt-oss-120b": "openai/gpt-oss-120b",
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"gpt-oss-20b": "openai/gpt-oss-20b",
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"nvidia/gpt-oss-20b": "openai/gpt-oss-20b",
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},
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// Antigravity model aliases must be applied by the Antigravity executor, not by
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// the global model resolver. Applying them here rewrites the client-visible model
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// before credential/account routing and before UI/logging, causing clean IDs like
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// gemini-3.5-flash-high to be exposed and retried as upstream-only legacy ids such
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// as gemini-3-flash-agent. The executor owns provider-wire normalization.
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antigravity: {},
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kiro: {
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"claude-opus-4-7": "claude-opus-4.7",
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"claude-opus-4-6": "claude-opus-4.6",
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"claude-sonnet-4-6": "claude-sonnet-4.6",
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"claude-sonnet-4-5": "claude-sonnet-4.5",
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"claude-haiku-4-5": "claude-haiku-4.5",
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},
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};
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const CROSS_PROXY_MODEL_ALIASES: Record<string, string> = {
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"gpt-oss:120b": "gpt-oss-120b",
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"deepseek-v3.2-chat": "deepseek-v3.2",
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"deepseek-v3-2": "deepseek-v3.2",
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"qwen3-coder:480b": "Qwen/Qwen3-Coder-480B-A35B-Instruct",
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"claude-opus-4.5": "claude-opus-4-5-20251101",
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"anthropic/claude-opus-4.5": "claude-opus-4-5-20251101",
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};
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const CROSS_PROXY_MODEL_ALIASES_LOWER = Object.fromEntries(
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Object.entries(CROSS_PROXY_MODEL_ALIASES).map(([alias, canonical]) => [
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alias.toLowerCase(),
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canonical,
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])
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);
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// Reverse index: modelId -> providerIds that expose this model
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const MODEL_TO_PROVIDERS = new Map<string, string[]>();
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for (const [aliasOrId, models] of Object.entries(PROVIDER_MODELS)) {
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const providerId = ALIAS_TO_PROVIDER_ID[aliasOrId] || aliasOrId;
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for (const modelEntry of models || []) {
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const modelId = modelEntry?.id;
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if (!modelId) continue;
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const providers = MODEL_TO_PROVIDERS.get(modelId) || [];
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if (!providers.includes(providerId)) {
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providers.push(providerId);
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MODEL_TO_PROVIDERS.set(modelId, providers);
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}
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}
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}
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const KNOWN_MODEL_IDS = new Set(MODEL_TO_PROVIDERS.keys());
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// #2877(B): include the effort-suffixed variants so a bare `gpt-5.5-xhigh`
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// (and -high/-medium/-low) infers the codex provider instead of falling through
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// the `/^gpt-/` → openai fallback (which 500s for codex-only credentials).
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const CODEX_PREFERRED_UNPREFIXED_MODELS = new Set([
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"gpt-5.5",
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"gpt-5.5-xhigh",
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"gpt-5.5-high",
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"gpt-5.5-medium",
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"gpt-5.5-low",
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]);
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// Intentionally empty: an unprefixed codex-preferred model keeps its BARE id when
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// inferred to codex. #2877 established that baking a `-medium` effort suffix silently
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// overrides a client `reasoning.effort` (the Codex executor reads the suffix as an
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// explicit modelEffort). This map was dormant while bare `gpt-5.5` hit the OpenAI
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// short-circuit; #5887 makes the codex block reachable for bare `gpt-5.5`, so the
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// `gpt-5.5 → gpt-5.5-medium` entry is removed to preserve #2877's bare-id contract.
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const CODEX_PREFERRED_UNPREFIXED_MODEL_ALIASES = new Map<string, string>([]);
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export const CODEX_NATIVE_UNPREFIXED_MODELS = new Set(["codex-auto-review"]);
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interface ProviderConnectionLike {
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provider?: unknown;
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isActive?: unknown;
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is_active?: unknown;
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}
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/**
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* Resolve provider alias to provider ID
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*/
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export function resolveProviderAlias(aliasOrId: string | null | undefined): string | null {
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if (typeof aliasOrId !== "string") return null;
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// Follow the alias chain transitively so intermediate alias-only hops resolve
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// to the final target, but STOP as soon as a hop lands on a registered
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// provider id (#2901): "oc" must resolve to the no-auth "opencode" provider,
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// NOT continue through the manual "opencode" → "opencode-zen" slug override —
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// that override is for user-typed `opencode/` prefixes only. Without this
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// boundary the no-auth provider becomes unreachable by any prefix.
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// Guarded against infinite loops with both a depth limit and a seen-set.
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let current = aliasOrId;
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const seen = new Set<string>();
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for (let i = 0; i < 10; i++) {
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const next = ALIAS_TO_PROVIDER_ID[current];
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if (!next || next === current) return current;
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if (next in PROVIDER_ID_TO_ALIAS) return next;
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if (seen.has(next)) return next;
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seen.add(next);
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current = next;
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}
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return current;
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}
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/**
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* #474 — Resolve a bare model name to the selected connection's `defaultModel`.
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*
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* When the client requested a bare model name (no "/", e.g. an alias that
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* resolved to "auto") and the chosen connection declares a `defaultModel`, the
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* upstream provider must receive that concrete model ID instead of the
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* placeholder. A "/"-qualified model name is an explicit provider/model choice
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* and is always returned untouched.
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*
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* Pure function — `requestedModelStr` is the raw client-facing model string
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* (used only to decide whether the name is "bare"); `resolvedModel` is the
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* already-resolved model that would otherwise be sent upstream.
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*/
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export function resolveBareModelToConnectionDefault(
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requestedModelStr: string | null | undefined,
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resolvedModel: string | null | undefined,
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connectionDefaultModel: string | null | undefined
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): string | null {
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const fallback = typeof resolvedModel === "string" ? resolvedModel : null;
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if (typeof requestedModelStr !== "string" || requestedModelStr.includes("/")) {
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return fallback;
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}
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if (typeof connectionDefaultModel === "string" && connectionDefaultModel.length > 0) {
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return connectionDefaultModel;
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}
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return fallback;
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}
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function isCrossProxyModelCompatEnabled() {
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const raw = process.env.MODEL_ALIAS_COMPAT_ENABLED;
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return raw !== "false" && raw !== "0";
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}
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export function normalizeCrossProxyModelId(modelId: unknown): {
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modelId: string | null;
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applied: boolean;
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original: string | null;
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} {
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if (!modelId || typeof modelId !== "string" || !isCrossProxyModelCompatEnabled()) {
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return {
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modelId: typeof modelId === "string" ? modelId : null,
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applied: false,
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original: null,
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};
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}
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const normalized =
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CROSS_PROXY_MODEL_ALIASES[modelId] || CROSS_PROXY_MODEL_ALIASES_LOWER[modelId.toLowerCase()];
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if (!normalized || normalized === modelId) {
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return { modelId, applied: false, original: null };
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}
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console.debug(`[MODEL] Cross-proxy alias applied: "${modelId}" → "${normalized}"`);
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return { modelId: normalized, applied: true, original: modelId };
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}
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/**
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* Resolve provider-specific legacy model alias to canonical model ID.
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*/
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function resolveProviderModelAlias(
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providerOrAlias: string | null | undefined,
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modelId: string | null | undefined
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) {
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if (!modelId || typeof modelId !== "string") return modelId;
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const providerId = resolveProviderAlias(providerOrAlias);
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if (typeof providerId !== "string") return modelId;
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const aliases = PROVIDER_MODEL_ALIASES[providerId];
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return aliases?.[modelId] || modelId;
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}
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function hasKnownProviderModel(providerOrAlias: string | null | undefined, modelId: string | null) {
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if (!providerOrAlias || !modelId) return false;
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const providerId = resolveProviderAlias(providerOrAlias);
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if (typeof providerId !== "string") return false;
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const providerAlias = PROVIDER_ID_TO_ALIAS[providerId] || providerId;
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const models = PROVIDER_MODELS[providerAlias] || PROVIDER_MODELS[providerId] || [];
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if (models.some((entry) => entry?.id === modelId)) return true;
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const aliases = PROVIDER_MODEL_ALIASES[providerId];
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if (aliases && Object.prototype.hasOwnProperty.call(aliases, modelId)) return true;
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const canonicalModel = resolveProviderModelAlias(providerId, modelId);
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if (canonicalModel === modelId) return false;
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return true;
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}
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function hasCodexPreferredUnprefixedModel(modelId: string) {
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const canonicalModel = CODEX_PREFERRED_UNPREFIXED_MODEL_ALIASES.get(modelId);
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if (!canonicalModel) return false;
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const providerAlias = PROVIDER_ID_TO_ALIAS.codex || "codex";
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const models = PROVIDER_MODELS[providerAlias] || PROVIDER_MODELS.codex || [];
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return models.some((entry) => entry?.id === canonicalModel);
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}
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function resolveInferredProviderModel(provider: string, modelId: string) {
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const codexPreferredModel = CODEX_PREFERRED_UNPREFIXED_MODEL_ALIASES.get(modelId);
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if (provider === "codex" && codexPreferredModel) {
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return codexPreferredModel;
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}
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return resolveProviderModelAlias(provider, modelId);
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}
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function getInferredProvidersForModel(modelId: string) {
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const providers = [...(MODEL_TO_PROVIDERS.get(modelId) || [])];
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if (
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CODEX_PREFERRED_UNPREFIXED_MODELS.has(modelId) &&
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hasCodexPreferredUnprefixedModel(modelId) &&
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!providers.includes("codex")
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) {
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providers.push("codex");
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}
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return providers;
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}
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function isProviderConnectionActive(connection: ProviderConnectionLike) {
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if (connection.isActive !== undefined) {
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return connection.isActive !== false && connection.isActive !== 0;
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}
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if (connection.is_active !== undefined) {
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return connection.is_active !== false && connection.is_active !== 0;
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}
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return false;
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}
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function getProviderIdFromConnection(connection: unknown) {
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if (!connection || typeof connection !== "object") return null;
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const record = connection as ProviderConnectionLike;
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if (typeof record.provider !== "string" || !record.provider) return null;
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if (!isProviderConnectionActive(record)) return null;
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return resolveProviderAlias(record.provider);
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}
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async function getActiveProviderSet() {
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try {
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const { getProviderConnections } = await import("@/lib/localDb");
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const conns = (await getProviderConnections()) as unknown[];
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const providers = conns
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.map(getProviderIdFromConnection)
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.filter((provider): provider is string => Boolean(provider));
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return new Set(providers);
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} catch {
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return null;
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}
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}
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function isTruthyEnv(value: string | undefined) {
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return typeof value === "string" && /^(1|true|yes|on)$/i.test(value.trim());
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}
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async function getPreferClaudeCodeForUnprefixedClaudeModels() {
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try {
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const { getCachedSettings } = await import("@/lib/localDb");
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const settings = (await getCachedSettings()) as Record<string, unknown>;
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if (typeof settings.preferClaudeCodeForUnprefixedClaudeModels === "boolean") {
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return settings.preferClaudeCodeForUnprefixedClaudeModels;
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}
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} catch {
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// Standalone open-sse usage may not have the app DB layer available.
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}
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return isTruthyEnv(process.env.OMNIROUTE_PREFER_CLAUDE_CODE_FOR_UNPREFIXED_CLAUDE_MODELS);
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}
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function shouldPreferClaudeCodeForUnprefixedClaudeModel(
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modelId: string,
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activeProviders: Set<string> | null,
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preferClaudeCode: boolean
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) {
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if (!preferClaudeCode || !/^claude-/i.test(modelId)) {
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return false;
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}
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// If DB/provider state is unavailable in a lightweight runtime, honor the
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// explicit operator flag and let the normal credential path report any missing
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// Claude Code account. When state is available, avoid stealing traffic from
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// other Claude-family providers unless Claude Code is actually active.
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return activeProviders === null || activeProviders.size === 0 || activeProviders.has("claude");
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}
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function shouldTreatAsExactModelId(modelStr: string | null) {
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if (!modelStr || typeof modelStr !== "string" || !modelStr.includes("/")) return false;
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if (!KNOWN_MODEL_IDS.has(modelStr)) return false;
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const firstSlash = modelStr.indexOf("/");
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const providerOrAlias = modelStr.slice(0, firstSlash).trim();
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const providerScopedModel = modelStr.slice(firstSlash + 1).trim();
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return !hasKnownProviderModel(providerOrAlias, providerScopedModel);
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}
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/**
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* Resolve a provider/model pair into canonical provider ID + provider-scoped model ID.
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* Keeps provider-specific legacy aliases out of downstream capability and budget lookups.
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*/
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export function resolveCanonicalProviderModel(
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providerOrAlias: string | null | undefined,
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modelId: string | null | undefined
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) {
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if (!modelId || typeof modelId !== "string") {
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return {
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provider: resolveProviderAlias(providerOrAlias),
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model: modelId || null,
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};
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}
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const provider = resolveProviderAlias(providerOrAlias);
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return {
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provider,
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model: resolveProviderModelAlias(provider, modelId),
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};
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}
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/**
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* Parse model string: "alias/model" or "provider/model" or just alias
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* Supports [1m] suffix for extended 1M context window (e.g. "claude-sonnet-4-6[1m]")
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*/
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export function parseModel(modelStr: string | null | undefined): ParsedModel {
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// Guard truthy non-strings (object/number/array), not just falsy values — a
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// malformed combo `modelStr` or providerSpecificData saved as an object would
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// otherwise reach `cleanStr.endsWith("[1m]")` and crash with
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// `endsWith is not a function`. Same class as #2359 / #2463.
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if (!modelStr || typeof modelStr !== "string") {
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return {
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provider: null,
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model: null,
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isAlias: false,
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providerAlias: null,
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extendedContext: false,
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};
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}
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// Sanitize: reject strings with path traversal or control characters
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if (/\.\.[\/\\]/.test(modelStr) || /[\x00-\x1f]/.test(modelStr)) {
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console.log(`[MODEL] Warning: rejected malformed model string: "${modelStr.substring(0, 50)}"`);
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return {
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provider: null,
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model: null,
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isAlias: false,
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providerAlias: null,
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extendedContext: false,
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};
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}
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// Extract [1m] suffix before parsing provider/model
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let extendedContext = false;
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let cleanStr = modelStr;
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if (cleanStr.endsWith("[1m]")) {
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extendedContext = true;
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cleanStr = cleanStr.slice(0, -4);
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}
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cleanStr = cleanStr.trim();
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// Normalize known cross-proxy provider/model dialects before deciding whether
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// the slash belongs to a provider prefix or to the model ID itself.
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if (cleanStr.includes("/")) {
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cleanStr = normalizeCrossProxyModelId(cleanStr).modelId || cleanStr;
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}
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if (shouldTreatAsExactModelId(cleanStr)) {
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console.debug(`[MODEL] Treating "${cleanStr}" as an exact model id`);
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return { provider: null, model: cleanStr, isAlias: true, providerAlias: null, extendedContext };
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}
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// Check if standard format: provider/model or alias/model
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if (cleanStr.includes("/")) {
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const firstSlash = cleanStr.indexOf("/");
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const providerOrAlias = cleanStr.slice(0, firstSlash).trim();
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const model = cleanStr.slice(firstSlash + 1).trim();
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const provider = resolveProviderAlias(providerOrAlias);
|
|
return { provider, model, isAlias: false, providerAlias: providerOrAlias, extendedContext };
|
|
}
|
|
|
|
// Alias format (model alias, not provider alias)
|
|
return { provider: null, model: cleanStr, isAlias: true, providerAlias: null, extendedContext };
|
|
}
|
|
|
|
/**
|
|
* Resolve model alias from aliases object
|
|
* Format: { "alias": "provider/model" }
|
|
*/
|
|
export function resolveModelAliasFromMap(alias: string | null, aliases: ModelAliasMap | null) {
|
|
const resolved = resolveModelAliasTarget(alias, aliases);
|
|
if (!resolved?.provider) return null;
|
|
return {
|
|
provider: resolved.provider,
|
|
model: resolved.model,
|
|
};
|
|
}
|
|
|
|
function resolveModelAliasTarget(
|
|
alias: string | null,
|
|
aliases: ModelAliasMap | null
|
|
): ResolvedModelTarget | null {
|
|
if (!alias || !aliases) return null;
|
|
|
|
const resolved = aliases[alias];
|
|
if (!resolved) return null;
|
|
|
|
if (typeof resolved === "string") {
|
|
return parseAliasTarget(resolved);
|
|
}
|
|
|
|
if (
|
|
resolved &&
|
|
typeof resolved === "object" &&
|
|
typeof resolved.provider === "string" &&
|
|
typeof resolved.model === "string"
|
|
) {
|
|
const normalizedPair = normalizeCrossProxyModelId(
|
|
`${resolved.provider}/${resolved.model}`
|
|
).modelId;
|
|
if (normalizedPair && normalizedPair !== `${resolved.provider}/${resolved.model}`) {
|
|
return parseAliasTarget(normalizedPair);
|
|
}
|
|
|
|
return {
|
|
provider: resolveProviderAlias(resolved.provider),
|
|
model: normalizeCrossProxyModelId(resolved.model).modelId || resolved.model,
|
|
};
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
function parseAliasTarget(target: string): ResolvedModelTarget | null {
|
|
const normalizedTarget = normalizeCrossProxyModelId(target).modelId;
|
|
if (!normalizedTarget || typeof normalizedTarget !== "string") return null;
|
|
|
|
if (normalizedTarget.includes("/")) {
|
|
if (shouldTreatAsExactModelId(normalizedTarget)) {
|
|
return { model: normalizedTarget };
|
|
}
|
|
|
|
const firstSlash = normalizedTarget.indexOf("/");
|
|
return {
|
|
provider: resolveProviderAlias(normalizedTarget.slice(0, firstSlash)),
|
|
model: normalizedTarget.slice(firstSlash + 1),
|
|
};
|
|
}
|
|
|
|
return { model: normalizedTarget };
|
|
}
|
|
|
|
async function resolveModelByProviderInference(modelId: string, extendedContext: boolean) {
|
|
const providers = getInferredProvidersForModel(modelId);
|
|
|
|
const nonOpenAIProviders = providers.filter((p) => p !== "openai");
|
|
|
|
if (CODEX_NATIVE_UNPREFIXED_MODELS.has(modelId)) {
|
|
return {
|
|
provider: "codex",
|
|
model: modelId,
|
|
extendedContext,
|
|
};
|
|
}
|
|
|
|
const [activeProviders, preferClaudeCodeForUnprefixedClaudeModels] = await Promise.all([
|
|
getActiveProviderSet(),
|
|
getPreferClaudeCodeForUnprefixedClaudeModels(),
|
|
]);
|
|
|
|
// Codex-only setups must keep auto-routing codex-preferred unprefixed models
|
|
// (e.g. `gpt-5.5`) to codex even after those ids were added to the OpenAI
|
|
// static catalog (#5887). This block is guarded by `!activeProviders.has("openai")`,
|
|
// so it must run BEFORE the OpenAI short-circuit below; users WITH an active
|
|
// OpenAI connection still fall through to the OpenAI default.
|
|
if (
|
|
activeProviders?.has("codex") &&
|
|
!activeProviders.has("openai") &&
|
|
providers.includes("codex") &&
|
|
CODEX_PREFERRED_UNPREFIXED_MODELS.has(modelId)
|
|
) {
|
|
return {
|
|
provider: "codex",
|
|
model: resolveInferredProviderModel("codex", modelId),
|
|
extendedContext,
|
|
};
|
|
}
|
|
|
|
// Preserve historical behavior: OpenAI stays default when model exists there.
|
|
// Connection availability must not make unprefixed OpenAI models resolve to a
|
|
// different provider; callers can still force Codex with an explicit prefix.
|
|
if (providers.includes("openai")) {
|
|
return {
|
|
provider: "openai",
|
|
model: modelId,
|
|
extendedContext,
|
|
};
|
|
}
|
|
|
|
// Fallback for newly released OpenAI-family model IDs that may not be in the local
|
|
// catalog yet. This must only fire when NO known provider catalogs the model id —
|
|
// otherwise it hijacks cataloged open-weight models like "gpt-oss-120b" (served by
|
|
// fireworks/cerebras/scaleway/byteplus) into provider "openai", which does not carry
|
|
// them (#5852).
|
|
if (
|
|
providers.length === 0 &&
|
|
(/^gpt-/i.test(modelId) || /^o1/i.test(modelId) || /^o3/i.test(modelId))
|
|
) {
|
|
return {
|
|
provider: "openai",
|
|
model: modelId,
|
|
extendedContext,
|
|
};
|
|
}
|
|
|
|
const candidatesToUse = nonOpenAIProviders;
|
|
|
|
if (
|
|
candidatesToUse.includes("claude") &&
|
|
shouldPreferClaudeCodeForUnprefixedClaudeModel(
|
|
modelId,
|
|
activeProviders,
|
|
preferClaudeCodeForUnprefixedClaudeModels
|
|
)
|
|
) {
|
|
return {
|
|
provider: "claude",
|
|
model: resolveInferredProviderModel("claude", modelId),
|
|
extendedContext,
|
|
};
|
|
}
|
|
|
|
if (candidatesToUse.length === 1) {
|
|
const provider = candidatesToUse[0];
|
|
const canonicalModel = resolveInferredProviderModel(provider, modelId);
|
|
return { provider, model: canonicalModel, extendedContext };
|
|
}
|
|
|
|
if (candidatesToUse.length > 1) {
|
|
const aliasesForHint = candidatesToUse.map((p) => PROVIDER_ID_TO_ALIAS[p] || p);
|
|
const hints = aliasesForHint.slice(0, 2).map((alias) => `${alias}/${modelId}`);
|
|
const message = `Ambiguous model '${modelId}'. Use provider/model prefix (ex: ${hints.join(" or ")}).`;
|
|
console.warn(`[MODEL] ${message} Candidates: ${aliasesForHint.join(", ")}`);
|
|
return {
|
|
provider: null,
|
|
model: modelId,
|
|
errorType: "ambiguous_model",
|
|
errorMessage: message,
|
|
candidateProviders: candidatesToUse,
|
|
candidateAliases: aliasesForHint,
|
|
};
|
|
}
|
|
|
|
// Fallback: infer provider from known model name prefixes before defaulting to openai
|
|
// FIX #73: Models like claude-haiku-4-5-20251001 sent without provider prefix
|
|
// would incorrectly route to OpenAI. Use heuristic prefix detection first.
|
|
if (/^claude-/i.test(modelId)) {
|
|
if (
|
|
shouldPreferClaudeCodeForUnprefixedClaudeModel(
|
|
modelId,
|
|
activeProviders,
|
|
preferClaudeCodeForUnprefixedClaudeModels
|
|
)
|
|
) {
|
|
return { provider: "claude", model: modelId, extendedContext };
|
|
}
|
|
// Claude models → Anthropic provider (canonical source for Claude models)
|
|
return { provider: "anthropic", model: modelId, extendedContext };
|
|
}
|
|
if (/^gemini-/i.test(modelId) || /^gemma-/i.test(modelId)) {
|
|
// Gemini/Gemma models → Gemini provider
|
|
return { provider: "gemini", model: modelId, extendedContext };
|
|
}
|
|
|
|
// Last resort: no provider could be inferred — return a clear error instead
|
|
// of silently defaulting to "openai", which would produce a misleading
|
|
// "No credentials for provider: openai" response when the model name
|
|
// is unrecognised (e.g. a missing combo, a typo, or a bare model id
|
|
// that doesn't exist in any provider's catalog).
|
|
return {
|
|
provider: null,
|
|
model: modelId,
|
|
extendedContext,
|
|
errorType: "model_not_found",
|
|
errorMessage: `Unable to determine provider for model '${modelId}'. Use a provider/model prefix (e.g. openai/${modelId}) or ensure the model is added as a combo entry.`,
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Get full model info (parse or resolve)
|
|
* @param {string} modelStr - Model string
|
|
* @param {object|function} aliasesOrGetter - Aliases object or async function to get aliases
|
|
*/
|
|
export async function getModelInfoCore(
|
|
modelStr: string,
|
|
aliasesOrGetter: ModelAliasMap | (() => Promise<ModelAliasMap>) | null
|
|
) {
|
|
const parsed = parseModel(modelStr);
|
|
const { extendedContext } = parsed;
|
|
|
|
if (!parsed.isAlias) {
|
|
const normalizedModel = normalizeCrossProxyModelId(parsed.model).modelId;
|
|
const canonicalModel = resolveProviderModelAlias(parsed.provider, normalizedModel);
|
|
return {
|
|
provider: parsed.provider,
|
|
model: canonicalModel,
|
|
extendedContext,
|
|
};
|
|
}
|
|
|
|
// Get aliases (from object or function)
|
|
const aliases = typeof aliasesOrGetter === "function" ? await aliasesOrGetter() : aliasesOrGetter;
|
|
|
|
// Local alias map (user-provided 2nd arg) wins over all cross-proxy /
|
|
// provider inference paths. When the alias target is a slashful string like
|
|
// "openai/gpt-4o", parse it directly as <provider>/<model> and return
|
|
// immediately — before shouldTreatAsExactModelId() or cross-proxy inference
|
|
// can misclassify the target (e.g. because bazaarlink catalogs it verbatim).
|
|
if (aliases && parsed.model) {
|
|
const directTarget = aliases[parsed.model];
|
|
if (typeof directTarget === "string") {
|
|
const slashIdx = directTarget.indexOf("/");
|
|
if (slashIdx !== -1) {
|
|
const providerPart = directTarget.slice(0, slashIdx);
|
|
const modelPart = directTarget.slice(slashIdx + 1);
|
|
const provider = resolveProviderAlias(providerPart);
|
|
const canonicalModel = resolveProviderModelAlias(provider, modelPart);
|
|
return { provider, model: canonicalModel, extendedContext };
|
|
}
|
|
}
|
|
}
|
|
|
|
// Resolve exact alias
|
|
const resolved = resolveModelAliasTarget(parsed.model, aliases);
|
|
if (resolved?.provider) {
|
|
const canonicalModel = resolveProviderModelAlias(resolved.provider, resolved.model);
|
|
return {
|
|
provider: resolved.provider,
|
|
model: canonicalModel,
|
|
extendedContext,
|
|
};
|
|
}
|
|
if (resolved?.model) {
|
|
return await resolveModelByProviderInference(resolved.model, extendedContext);
|
|
}
|
|
|
|
// T13: Try wildcard alias (glob patterns like "claude-sonnet-*" → "anthropic/claude-sonnet-4-...")
|
|
if (aliases && typeof aliases === "object") {
|
|
const aliasEntries = Object.entries(aliases).map(([pattern, target]) => ({
|
|
pattern,
|
|
target: typeof target === "string" ? target : "",
|
|
}));
|
|
const wildcardMatch = parsed.model ? resolveWildcardAlias(parsed.model, aliasEntries) : null;
|
|
if (wildcardMatch) {
|
|
const target = wildcardMatch.target as string;
|
|
if (target.includes("/")) {
|
|
const firstSlash = target.indexOf("/");
|
|
const providerOrAlias = target.slice(0, firstSlash);
|
|
const targetModel = target.slice(firstSlash + 1);
|
|
const provider = resolveProviderAlias(providerOrAlias);
|
|
const canonicalModel = resolveProviderModelAlias(provider, targetModel);
|
|
return {
|
|
provider,
|
|
model: canonicalModel,
|
|
extendedContext,
|
|
wildcardPattern: wildcardMatch.pattern,
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
const normalizedModelId = normalizeCrossProxyModelId(parsed.model).modelId;
|
|
if (!normalizedModelId) {
|
|
return { provider: null, model: null, extendedContext };
|
|
}
|
|
return await resolveModelByProviderInference(normalizedModelId, extendedContext);
|
|
}
|