feat: move snippets, keybinding actions and macros out of core into plugins

plugins/fleets/src/frontend/FleetsPanel.tsx

@@ -1,10 +1,7 @@
-import {
-  getErrorMessage,
-  extractSnippetInputs,
-  type SnippetInput,
-} from "./helpers.js";
+import { getErrorMessage, type SnippetInput } from "./helpers.js";
 import { useState, useEffect, useCallback, useMemo, useRef } from "react";
 import {
+  invokeAction,
   useTranslation,
   useHosts,
   type PluginHostRecord,
@@ -792,8 +789,16 @@ function RunCommandTab({ api, fleetId }: { api: FleetsApi; fleetId: number }) {
   const [running, setRunning] = useState(false);
   const [results, setResults] = useState<FleetHostResult[] | null>(null);
 
+  // The snippets plugin owns $INPUT_n parsing; without it the command
+  // runs as typed.
   useEffect(() => {
-    setInputs(extractSnippetInputs(command));
+    let cancelled = false;
+    void invokeAction("snippets.extractInputs", command).then((found) => {
+      if (!cancelled) setInputs(Array.isArray(found) ? found : []);
+    });
+    return () => {
+      cancelled = true;
+    };
   }, [command]);
 
   async function handleRun() {

plugins/fleets/src/frontend/helpers.ts

@@ -21,24 +21,3 @@ export interface SnippetInput {
   key: string;
   label: string;
 }
-
-const INPUT_PATTERN =
-  /\$\{INPUT_(\d+)(?::([^}$]+))?\}|\$INPUT_(\d+)(?![a-zA-Z0-9_])/g;
-
-/**
- * Finds the $INPUT_n placeholders in a command, for the fleet run box's
- * input fields. Mirrors src/ui/lib/snippet-variables.ts extractSnippetInputs.
- */
-export function extractSnippetInputs(content: string): SnippetInput[] {
-  const seen = new Map<string, SnippetInput>();
-  let match: RegExpExecArray | null;
-  INPUT_PATTERN.lastIndex = 0;
-  while ((match = INPUT_PATTERN.exec(content)) !== null) {
-    const digits = match[1] ?? match[3];
-    const key = `INPUT_${digits}`;
-    if (!seen.has(key)) {
-      seen.set(key, { key, label: match[2]?.trim() || `Input ${digits}` });
-    }
-  }
-  return Array.from(seen.values());
-}