Refactor API keys handling. Remove ST hosting from colab

public/scripts/secrets.js

@@ -0,0 +1,62 @@
+import { getRequestHeaders } from "../script.js";
+
+export const SECRET_KEYS = {
+    HORDE: 'api_key_horde',
+    OPENAI: 'api_key_openai',
+    POE: 'api_key_poe',
+    NOVEL: 'api_key_novel',
+}
+
+const INPUT_MAP = {
+    [SECRET_KEYS.HORDE]: '#horde_api_key',
+    [SECRET_KEYS.OPENAI]: '#api_key_openai',
+    [SECRET_KEYS.POE]: '#poe_token',
+    [SECRET_KEYS.NOVEL]: '#api_key_novel',
+}
+
+function updateSecretDisplay() {
+    for (const [secret_key, input_selector] of Object.entries(INPUT_MAP)) {
+        const validSecret = !!secret_state[secret_key];
+        const placeholder = validSecret ? '✔️ Key saved' : '❌ Missing key'; 
+        $(input_selector).attr('placeholder', placeholder).val('');
+    }
+}
+
+export let secret_state = {};
+
+export async function writeSecret(key, value) {
+    try {
+        const response = await fetch('/writesecret', {
+            method: 'POST',
+            headers: getRequestHeaders(),
+            body: JSON.stringify({ key, value }),
+        });
+
+        if (response.ok) {
+            const text = await response.text();
+
+            if (text == 'ok') {
+                secret_state[key] = true;
+                updateSecretDisplay();
+            }
+        }
+    } catch {
+        console.error('Could not write secret value: ', key);
+    }
+}
+
+export async function readSecretState() {
+    try {
+        const response = await fetch('/readsecretstate', {
+            method: 'POST',
+            headers: getRequestHeaders(),
+        });
+
+        if (response.ok) {
+            secret_state = await response.json();
+            updateSecretDisplay();
+        }
+    } catch {
+        console.error('Could not read secrets file');
+    }
+}