feat(plugins): let plugin views open a project file at a line (#1362)

Plugin tool windows that list code locations (routes, failed tests,
queries) had no way to take the user to file:line. A host import
`views.open-location(path, line, column)` opens a file inside the project
in an editor of the window the call came from, caret at the given line and
column (0-based, UTF-16). It needs `project.read` and refuses paths outside
the project; the event goes only to the calling window, as `open-terminal`
does. The Rust SDK exposes it as `host::open_location` (with the mock), the
API table lists it, and the shipped components are rebuilt for the new WIT.

Closes #1334

Co-authored-by: yzPeedro <[email protected]>

src/bindings.ts

@@ -5480,7 +5480,7 @@ export type PluginEvent =
 /**  For the script of a view's `html` body. */
 { type: "viewMessage"; pluginId: string; view: string; message: string } | 
 /**  Open a terminal running `program` (already approved and verified). */
-{ type: "openTerminal"; pluginId: string; title: string; program: IpcPath; args: string[]; cwd: IpcPath } | 
+{ type: "openTerminal"; pluginId: string; title: string; program: IpcPath; args: string[]; cwd: IpcPath } | { type: "openLocation"; pluginId: string; path: IpcPath; line: number; column: number } | 
 /**
  *  Plugin languages, or the servers they may start, changed: re-fetch
  *  `languages` (the host re-detects open documents: [`crate::Host::plugin_languages_changed`]).

src/features/plugins/runtimeUi.tsx

@@ -12,7 +12,7 @@ import { onIdeEvent } from "@/platform/ipc";
 import { useProject } from "@/platform/project";
 import { shortcutLabel } from "@/platform/keymap";
 import { BarButton } from "@/ui/BarButton";
-import { registerStatusItem } from "@/workbench/contributions";
+import { maybeEditorService, registerStatusItem } from "@/workbench/contributions";
 import { removeTask, upsertTask, useTasks } from "@/workbench/tasks";
 import { pluginsBackend } from "./backend";
 import { bumpView, deliverViewMessage } from "./views/viewStore";
@@ -259,6 +259,9 @@ export function handleRuntimeEvent(e: PluginEvent): boolean {
       // The program was approved (`process:`) and verified by the host.
       void executeAction("terminal.runCommand", { program: e.program, args: e.args, name: e.title, cwd: e.cwd });
       return true;
+    case "openLocation":
+      void maybeEditorService()?.openFile(e.path, { selection: { line: e.line, col: e.column }, focus: true });
+      return true;
     default:
       return false;
   }