chore: delete dead code

hub/package-lock.json

@@ -8,7 +8,6 @@
       "name": "@paradigm/hub",
       "version": "0.0.0",
       "dependencies": {
-        "@ai-sdk/openai-compatible": "^3.0.5",
         "@anthropic-ai/claude-agent-sdk": "^0.3.202",
         "@fastify/cookie": "^11.0.2",
         "@larksuiteoapi/node-sdk": "^1.66.1",
@@ -45,22 +44,6 @@
         "zod": "^3.25.76 || ^4.1.8"
       }
     },
-    "node_modules/@ai-sdk/openai-compatible": {
-      "version": "3.0.5",
-      "resolved": "https://registry.npmjs.org/@ai-sdk/openai-compatible/-/openai-compatible-3.0.5.tgz",
-      "integrity": "sha512-4UtDxT6Ga7U225o5fBEgtCFZHba4/iTDXRqMrU62yEfTrFks4o+F4jt0D3OWmUasR9LPFzLy0KnEITxFDtc89g==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@ai-sdk/provider": "4.0.2",
-        "@ai-sdk/provider-utils": "5.0.5"
-      },
-      "engines": {
-        "node": ">=22"
-      },
-      "peerDependencies": {
-        "zod": "^3.25.76 || ^4.1.8"
-      }
-    },
     "node_modules/@ai-sdk/provider": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/@ai-sdk/provider/-/provider-4.0.2.tgz",

hub/package.json

@@ -7,7 +7,6 @@
     "node": ">=20"
   },
   "dependencies": {
-    "@ai-sdk/openai-compatible": "^3.0.5",
     "@anthropic-ai/claude-agent-sdk": "^0.3.202",
     "@fastify/cookie": "^11.0.2",
     "@larksuiteoapi/node-sdk": "^1.66.1",
@@ -23,7 +22,7 @@
     "typescript": "^5.7.0",
     "vitest": "^4.1.10"
   },
-  "description": "Curriculum Project Hub — Feishu-group collaboration + provider-agnostic agent runtime. Aligns to spec/System (ADR-0001..0004, 0017).",
+  "description": "Curriculum Project Hub — Feishu-group collaboration + Claude Code SDK agent runtime. Aligns to spec/System (ADR-0001..0004, 0017).",
   "scripts": {
     "dev": "tsx watch src/server.ts",
     "build": "tsc -p tsconfig.json",

hub/src/agent/provider.ts

@@ -1,18 +0,0 @@
-/**
- * OpenRouter model factory.
- *
- * ADR-0017: the agent layer keeps role/model resolution separate from provider
- * construction. A run carries a resolved model id, and switching model still
- * means a new provider-bound session.
- */
-import { createOpenAICompatible } from "@ai-sdk/openai-compatible";
-import type { LanguageModel } from "ai";
-
-export function createModelFactory(): (modelId: string) => LanguageModel {
-  const provider = createOpenAICompatible({
-    name: "openrouter",
-    baseURL: process.env.OPENROUTER_BASE_URL ?? "https://openrouter.ai/api/v1",
-    headers: { Authorization: `Bearer ${process.env.OPENROUTER_API_KEY ?? ""}` },
-  });
-  return (modelId: string) => provider(modelId);
-}