fix: resolve apiProxy via ctx.get for /model (v0.3.2)

Cordis throws on ctx.apiProxy without inject; use ctx.get and declare apiProxy inject so catalog and model APIs work under dsh web.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/apiproxy.js

@@ -0,0 +1,27 @@
+/**
+ * Resolve host apiProxy without requiring Cordis inject.
+ * Direct `ctx.apiProxy` throws "cannot get property without inject" on real fibers.
+ */
+export function resolveApiProxy(ctx) {
+    const c = ctx;
+    if (typeof c.get === 'function') {
+        try {
+            const viaGet = c.get('apiProxy');
+            if (viaGet)
+                return viaGet;
+        }
+        catch {
+            // ignore and try own-property fallback (tests / plain mocks)
+        }
+    }
+    try {
+        // Own property on plain mocks only — Cordis proxy throws without inject.
+        if (Object.prototype.hasOwnProperty.call(c, 'apiProxy') && c.apiProxy) {
+            return c.apiProxy;
+        }
+    }
+    catch {
+        return undefined;
+    }
+    return undefined;
+}