feat: add models.dev-backed model capabilities

src/cli/refresh-model-capabilities.ts

@@ -0,0 +1,51 @@
+import { loadPluginConfig } from "../plugin-config"
+import { refreshModelCapabilitiesCache } from "../shared/model-capabilities-cache"
+
+export type RefreshModelCapabilitiesOptions = {
+  directory?: string
+  json?: boolean
+  sourceUrl?: string
+}
+
+type RefreshModelCapabilitiesDeps = {
+  loadConfig?: typeof loadPluginConfig
+  refreshCache?: typeof refreshModelCapabilitiesCache
+  stdout?: Pick<typeof process.stdout, "write">
+  stderr?: Pick<typeof process.stderr, "write">
+}
+
+export async function refreshModelCapabilities(
+  options: RefreshModelCapabilitiesOptions,
+  deps: RefreshModelCapabilitiesDeps = {},
+): Promise<number> {
+  const directory = options.directory ?? process.cwd()
+  const loadConfig = deps.loadConfig ?? loadPluginConfig
+  const refreshCache = deps.refreshCache ?? refreshModelCapabilitiesCache
+  const stdout = deps.stdout ?? process.stdout
+  const stderr = deps.stderr ?? process.stderr
+
+  try {
+    const config = loadConfig(directory, null)
+    const sourceUrl = options.sourceUrl ?? config.model_capabilities?.source_url
+    const snapshot = await refreshCache({ sourceUrl })
+
+    const summary = {
+      sourceUrl: snapshot.sourceUrl,
+      generatedAt: snapshot.generatedAt,
+      modelCount: Object.keys(snapshot.models).length,
+    }
+
+    if (options.json) {
+      stdout.write(`${JSON.stringify(summary, null, 2)}\n`)
+    } else {
+      stdout.write(
+        `Refreshed model capabilities cache (${summary.modelCount} models) from ${summary.sourceUrl}\n`,
+      )
+    }
+
+    return 0
+  } catch (error) {
+    stderr.write(`Failed to refresh model capabilities cache: ${String(error)}\n`)
+    return 1
+  }
+}