Feat: Add manual updates check, Settings tab, direct model upgrades, logs password redirection, fix engine version detection, and expand AI agent Guide tab

frontend/src/lib/api.ts

@@ -1,9 +1,53 @@
 // Schmaler Fetch-Helfer gegen das MC-2-Backend (/api/*).
 
 export async function api<T = unknown>(path: string, init?: RequestInit): Promise<T> {
+  const headers = {
+    "Content-Type": "application/json",
+    ...init?.headers,
+  } as Record<string, string>
+
+  const sudoPassword = localStorage.getItem("mc_sudo_password")
+  const hfToken = localStorage.getItem("mc_hf_token")
+
+  if (sudoPassword) {
+    headers["X-Sudo-Password"] = sudoPassword
+  }
+
+  let body = init?.body
+  const method = init?.method?.toUpperCase() || "GET"
+  if (method === "POST") {
+    if (typeof body === "string") {
+      try {
+        const data = JSON.parse(body)
+        let changed = false
+        if (sudoPassword && !("sudo_password" in data)) {
+          data["sudo_password"] = sudoPassword
+          changed = true
+        }
+        if (hfToken && !("hf_token" in data)) {
+          data["hf_token"] = hfToken
+          changed = true
+        }
+        if (changed) {
+          body = JSON.stringify(data)
+        }
+      } catch (e) {
+        // ignore JSON parse errors
+      }
+    } else if (!body) {
+      const data: Record<string, any> = {}
+      if (sudoPassword) data["sudo_password"] = sudoPassword
+      if (hfToken) data["hf_token"] = hfToken
+      if (Object.keys(data).length > 0) {
+        body = JSON.stringify(data)
+      }
+    }
+  }
+
   const res = await fetch(path, {
-    headers: { "Content-Type": "application/json" },
     ...init,
+    headers,
+    body,
   })
   if (!res.ok) throw new Error(`${res.status} ${res.statusText}`)
   return res.json() as Promise<T>