feat(server): enhance script execution and workflow management

- Introduced compileWorkflowScripts function to parse and validate workflow scripts, supporting both linear and DAG execution modes.
- Added runLinearSteps and runDagSteps functions for executing compiled workflows based on their structure.
- Updated createRegistry function to utilize the new workflow compilation and execution logic.
- Enhanced script sandbox with meta extraction and instantiation capabilities for better script management.
- Improved API endpoints to return script metadata and handle errors more effectively.
- Removed deprecated scripts and updated workflows to reflect new structure and functionality.

packages/web/src/pages/ScriptEditPage.jsx

@@ -4,6 +4,7 @@ import { LuArrowLeft, LuPlay, LuSave } from "react-icons/lu";
 import { errorMessage } from "../api/client.js";
 import { useSaveScript, useScript } from "../api/hooks.js";
 import { CodeEditor } from "../components/CodeEditor.jsx";
+import { ScriptMetaPanel } from "../components/ScriptMetaPanel.jsx";
 import { NEW_SCRIPT_TEMPLATE, normalizeScriptName } from "../lib/script.js";
 
 export function ScriptNewPage() {
@@ -157,6 +158,15 @@ export function ScriptEditPage() {
         <CodeEditor language="javascript" value={content} onChange={setContent} height="100%" />
       </form>
 
+      <details className="collapse collapse-arrow shrink-0 border border-base-300 bg-base-100">
+        <summary className="collapse-title min-h-0 py-2 text-sm font-semibold">
+          Input / output
+        </summary>
+        <div className="collapse-content">
+          <ScriptMetaPanel meta={existing.data?.meta} metaError={existing.data?.metaError} />
+        </div>
+      </details>
+
       {save.isError ? (
         <p className="text-error text-sm shrink-0">{errorMessage(save.error)}</p>
       ) : null}