fix: restore OpenCode health compatibility for startup (#1542)

packages/vscode/src/extension.ts

@@ -547,7 +547,7 @@ export async function activate(context: vscode.ExtensionContext) {
       };
 
       const probeTargets: Array<{ label: string; path: string; includeDirectory?: boolean; timeoutMs?: number }> = [
-        { label: 'health', path: '/api/health', includeDirectory: false },
+        { label: 'health', path: '/global/health', includeDirectory: false },
         { label: 'config', path: '/config', includeDirectory: true },
         { label: 'providers', path: '/config/providers', includeDirectory: true },
         // Can be slower on large configs; keep the probe from producing false negatives.

packages/vscode/src/opencode.ts

@@ -567,8 +567,8 @@ async function waitForReady(
         const controller = new AbortController();
         const timeout = setTimeout(() => controller.abort(), 3000);
 
-        // OpenCode readiness check.
-        const url = new URL(`${baseUrl}/api/health`);
+        // OpenCode readiness check. Use /global/health for OpenCode 1.15.x compatibility.
+        const url = new URL(`${baseUrl}/global/health`);
         const res = await fetch(url.toString(), {
           method: 'GET',
           headers: { Accept: 'application/json', ...authHeaders },