refactor(models): share auth helpers and forward-compat list fallbacks

src/commands/models/list.list-command.ts

@@ -1,14 +1,16 @@
 import type { Api, Model } from "@mariozechner/pi-ai";
+import type { ModelRegistry } from "../../agents/pi-model-discovery.js";
 import type { RuntimeEnv } from "../../runtime.js";
 import type { ModelRow } from "./list.types.js";
 import { ensureAuthProfileStore } from "../../agents/auth-profiles.js";
+import { resolveForwardCompatModel } from "../../agents/model-forward-compat.js";
 import { parseModelRef } from "../../agents/model-selection.js";
 import { loadConfig } from "../../config/config.js";
 import { resolveConfiguredEntries } from "./list.configured.js";
 import { formatErrorWithStack } from "./list.errors.js";
 import { loadModelRegistry, toModelRow } from "./list.registry.js";
 import { printModelTable } from "./list.table.js";
-import { DEFAULT_PROVIDER, ensureFlagCompatibility, modelKey } from "./shared.js";
+import { DEFAULT_PROVIDER, ensureFlagCompatibility, isLocalBaseUrl, modelKey } from "./shared.js";
 
 export async function modelsListCommand(
   opts: {
@@ -33,10 +35,12 @@ export async function modelsListCommand(
   })();
 
   let models: Model<Api>[] = [];
+  let modelRegistry: ModelRegistry | undefined;
   let availableKeys: Set<string> | undefined;
   let availabilityErrorMessage: string | undefined;
   try {
     const loaded = await loadModelRegistry(cfg);
+    modelRegistry = loaded.registry;
     models = loaded.models;
     availableKeys = loaded.availableKeys;
     availabilityErrorMessage = loaded.availabilityErrorMessage;
@@ -58,22 +62,6 @@ export async function modelsListCommand(
 
   const rows: ModelRow[] = [];
 
-  const isLocalBaseUrl = (baseUrl: string) => {
-    try {
-      const url = new URL(baseUrl);
-      const host = url.hostname.toLowerCase();
-      return (
-        host === "localhost" ||
-        host === "127.0.0.1" ||
-        host === "0.0.0.0" ||
-        host === "::1" ||
-        host.endsWith(".local")
-      );
-    } catch {
-      return false;
-    }
-  };
-
   if (opts.all) {
     const sorted = [...models].toSorted((a, b) => {
       const p = a.provider.localeCompare(b.provider);
@@ -109,7 +97,18 @@ export async function modelsListCommand(
       if (providerFilter && entry.ref.provider.toLowerCase() !== providerFilter) {
         continue;
       }
-      const model = modelByKey.get(entry.key);
+      let model = modelByKey.get(entry.key);
+      if (!model && modelRegistry) {
+        const forwardCompat = resolveForwardCompatModel(
+          entry.ref.provider,
+          entry.ref.model,
+          modelRegistry,
+        );
+        if (forwardCompat) {
+          model = forwardCompat;
+          modelByKey.set(entry.key, forwardCompat);
+        }
+      }
       if (opts.local && model && !isLocalBaseUrl(model.baseUrl)) {
         continue;
       }