fix(atlassian): tighten health checks and review coverage

skills/atlassian/shared/scripts/src/health.ts

@@ -0,0 +1,69 @@
+import { createJsonHeaders, createStatusError } from "./http.js";
+import type { AtlassianConfig, CommandOutput, FetchLike } from "./types.js";
+
+type ProductHealth = {
+  ok: boolean;
+  status?: number;
+  message?: string;
+};
+
+function buildUrl(baseUrl: string, path: string) {
+  return new URL(path, `${baseUrl}/`).toString();
+}
+
+export async function runHealthCheck(
+  config: AtlassianConfig,
+  fetchImpl: FetchLike | undefined,
+): Promise<CommandOutput<unknown>> {
+  const client = fetchImpl ?? globalThis.fetch;
+
+  if (!client) {
+    throw new Error("Fetch API is not available in this runtime");
+  }
+
+  async function probe(product: "Jira" | "Confluence", url: string): Promise<ProductHealth> {
+    try {
+      const response = await client(url, {
+        method: "GET",
+        headers: createJsonHeaders(config, false),
+      });
+
+      if (!response.ok) {
+        const error = createStatusError(`${product} health check failed`, response);
+        return {
+          ok: false,
+          status: response.status,
+          message: error.message,
+        };
+      }
+
+      return {
+        ok: true,
+        status: response.status,
+      };
+    } catch (error: unknown) {
+      return {
+        ok: false,
+        message: error instanceof Error ? error.message : String(error),
+      };
+    }
+  }
+
+  const jira = await probe("Jira", buildUrl(config.jiraBaseUrl, "/rest/api/3/myself"));
+  const confluence = await probe("Confluence", buildUrl(config.confluenceBaseUrl, "/wiki/api/v2/spaces?limit=1"));
+
+  return {
+    ok: jira.ok && confluence.ok,
+    data: {
+      baseUrl: config.baseUrl,
+      jiraBaseUrl: config.jiraBaseUrl,
+      confluenceBaseUrl: config.confluenceBaseUrl,
+      defaultProject: config.defaultProject,
+      defaultSpace: config.defaultSpace,
+      products: {
+        jira,
+        confluence,
+      },
+    },
+  };
+}