feat(workflows): enhance script handling and introduce custom step names

- Updated AGENTS.md to include a `name` field for scripts, allowing custom display titles in the editor and graph.
- Enhanced script icon resolution to support `.jpeg` file extensions.
- Modified workflow parsing to accommodate the new `name` property for steps, improving step identification.
- Added new utility functions for handling custom step names and display names.
- Introduced tests to validate the functionality of custom step names in workflow YAML parsing and step labeling.

Co-authored-by: Nasyarobby Putra <nasyarobby@gmail.com>

packages/server/fs-store.js

@@ -50,7 +50,7 @@ export function readScript(name) {
 }
 
 /**
- * Icon next to the script: `fetch-html.js` → `fetch-html.png` or `.jpg`.
+ * Icon next to the script: `fetch-html.js` → `fetch-html.png`, `.jpg`, or `.jpeg`.
  * @returns {{ filePath: string, contentType: string } | null}
  */
 export function resolveScriptIcon(name) {
@@ -59,6 +59,7 @@ export function resolveScriptIcon(name) {
   for (const { ext, contentType } of [
     { ext: "png", contentType: "image/png" },
     { ext: "jpg", contentType: "image/jpeg" },
+    { ext: "jpeg", contentType: "image/jpeg" },
   ]) {
     const filePath = path.join(SCRIPTS_DIR, `${base}.${ext}`);
     if (fs.existsSync(filePath) && fs.statSync(filePath).isFile()) {