docs(developer): In-Context 'start_type' option + Start and Stop Methods

src/content/docs/developer/capabilities/in-context.mdx

@@ -174,6 +174,56 @@ If defined, users can close the In-Context overlay if they don't want to transla
 
 <Image src={loginClose} alt="Close Login Window" />
 
+### Start Type
+
+```js
+_jipt.push(['start_type', 'manual']);
+```
+
+Defines how In-Context is initialized. Acceptable values:
+
+- **`default`** – In-Context starts automatically after the script loads.  
+- **`manual`** – In-Context starts only when you call [`window.jipt.start()`](#start-and-stop-methods).
+
+Use `manual` if you need greater control. For example, in single-page apps where you want to switch In-Context on or off based on user actions.
+
+## Optional Functions
+
+You can call various functions on the global `window.jipt` object to manage or customize In-Context in real time.
+
+### Start and Stop Methods
+
+```js
+window.jipt.start();
+```
+
+Manually activates In-Context for the current page. Use this if you set `start_type` to `manual` or if you want to re-activate In-Context after stopping it.
+
+```js
+window.jipt.stop();
+```
+
+Stops the In-Context overlay. All interactive translation elements are removed until you call `start()` again.
+
+**Usage Example: Single-Page Application**
+
+In a single-page application, you might switch In-Context on or off when a user changes the language:
+
+```js
+const handleLanguageChange = (event) => {
+  const language = event.target.value;
+  setSelectedLanguage(language);
+
+  if (language === inContextLanguage) {
+    window.jipt.start();
+  } else {
+    window.jipt.stop();
+  }
+};
+```
+
+In the above snippet, whenever the user selects the In-Context pseudo-language, In-Context is triggered. When they select any other language, In-Context is stopped.
+
 ## Adding Screenshots via In-Context
 
 This feature allows you to take a screenshot of the opened website page, upload it to the Crowdin project and automatically tag all strings used on the page.