YeonGyu-Kim
def44338ff
Updates the canonical Anthropic Opus model in every fallback chain (sisyphus, oracle, prometheus, metis, momus, visual-engineering, ultrabrain, deep, artistry, unspecified-high), the unspecified-high category default, the think-mode HIGH_VARIANT_MAP, the Claude Code alias map, the claude-thinking legacy alias, the context-limit GA regex, and event.ts fallback strings. Widens supportsCachedAnthropicLimit to accept both claude-*-4-6 and claude-*-4-7 so the 1M context cache still applies across the bump. Regenerates the bundled model-capabilities snapshot from models.dev and the model-fallback snapshot to match the new source output.
101 lines
3.5 KiB
TypeScript
101 lines
3.5 KiB
TypeScript
/**
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* Think Mode Switcher
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*
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* This module handles "thinking mode" activation for reasoning-capable models.
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* When a user includes "think" keywords in their prompt, models are upgraded to
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* their high-reasoning variants with extended thinking budgets.
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*
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* PROVIDER ALIASING:
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* GitHub Copilot acts as a proxy provider that routes to underlying providers
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* (Anthropic, Google, OpenAI). We resolve the proxy to the actual provider
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* based on model name patterns, allowing GitHub Copilot to inherit thinking
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* configurations without duplication.
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*
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* NORMALIZATION:
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* Model IDs are normalized (dots → hyphens in version numbers) to handle API
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* inconsistencies defensively while maintaining backwards compatibility.
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*/
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import { normalizeModelID } from "../../shared"
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/**
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* Extracts provider-specific prefix from model ID (if present).
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* Custom providers may use prefixes for routing (e.g., vertex_ai/, openai/).
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*
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* @example
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* extractModelPrefix("vertex_ai/claude-sonnet-4-6") // { prefix: "vertex_ai/", base: "claude-sonnet-4-6" }
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* extractModelPrefix("claude-sonnet-4-6") // { prefix: "", base: "claude-sonnet-4-6" }
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* extractModelPrefix("openai/gpt-5.4") // { prefix: "openai/", base: "gpt-5.4" }
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* extractModelPrefix("aws/anthropic/claude-sonnet-4") // { prefix: "aws/anthropic/", base: "claude-sonnet-4" }
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*/
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function extractModelPrefix(modelID: string): { prefix: string; base: string } {
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const slashIndex = modelID.lastIndexOf("/")
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if (slashIndex === -1) {
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return { prefix: "", base: modelID }
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}
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return {
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prefix: modelID.slice(0, slashIndex + 1),
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base: modelID.slice(slashIndex + 1),
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}
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}
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// Maps model IDs to their "high reasoning" variant (internal convention)
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// For OpenAI models, this signals that reasoning_effort should be set to "high"
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const HIGH_VARIANT_MAP: Record<string, string> = {
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// Claude
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"claude-sonnet-4-6": "claude-sonnet-4-6-high",
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"claude-opus-4-7": "claude-opus-4-7-high",
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// Gemini
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"gemini-3-1-pro": "gemini-3-1-pro-high",
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"gemini-3-1-pro-low": "gemini-3-1-pro-high",
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"gemini-3-flash": "gemini-3-flash-high",
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// GPT-5
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"gpt-5": "gpt-5-high",
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"gpt-5-mini": "gpt-5-mini-high",
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"gpt-5-nano": "gpt-5-nano-high",
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"gpt-5-pro": "gpt-5-pro-high",
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"gpt-5-chat-latest": "gpt-5-chat-latest-high",
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// GPT-5.1
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"gpt-5-1": "gpt-5-1-high",
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"gpt-5-1-chat-latest": "gpt-5-1-chat-latest-high",
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"gpt-5-1-codex": "gpt-5-1-codex-high",
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"gpt-5-1-codex-mini": "gpt-5-1-codex-mini-high",
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"gpt-5-1-codex-max": "gpt-5-1-codex-max-high",
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// GPT-5.4
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"gpt-5-4": "gpt-5-4-high",
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"gpt-5-4-chat-latest": "gpt-5-4-chat-latest-high",
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"gpt-5-4-pro": "gpt-5-4-pro-high",
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// Antigravity (Google)
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"antigravity-gemini-3-1-pro": "antigravity-gemini-3-1-pro-high",
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"antigravity-gemini-3-flash": "antigravity-gemini-3-flash-high",
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}
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const ALREADY_HIGH: Set<string> = new Set(Object.values(HIGH_VARIANT_MAP))
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export function getHighVariant(modelID: string): string | null {
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const normalized = normalizeModelID(modelID)
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const { prefix, base } = extractModelPrefix(normalized)
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// Check if already high variant (with or without prefix)
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if (ALREADY_HIGH.has(base) || base.endsWith("-high")) {
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return null
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}
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// Look up high variant for base model
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const highBase = HIGH_VARIANT_MAP[base]
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if (!highBase) {
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return null
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}
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// Preserve prefix in the high variant
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return prefix + highBase
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}
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export function isAlreadyHighVariant(modelID: string): boolean {
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const normalized = normalizeModelID(modelID)
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const { base } = extractModelPrefix(normalized)
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return ALREADY_HIGH.has(base) || base.endsWith("-high")
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}
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