refactor: remove table output format, keep json and yaml only

Table format adds complexity without readability gain over yaml.

Refs #328

packages/cli-uwf/src/cli.ts

@@ -40,7 +40,7 @@ function runAction(action: () => Promise<void>): void {
 const program = new Command();
 
 program.name("uwf").description("Stateless workflow CLI");
-program.option("--format <fmt>", "Output format: json, yaml, table", "json");
+program.option("--format <fmt>", "Output format: json or yaml", "json");
 
 const workflow = program.command("workflow").description("Workflow registry and CAS");
 

packages/cli-uwf/src/format.ts

@@ -1,24 +1,6 @@
 import { stringify } from "yaml";
 
-export type OutputFormat = "json" | "yaml" | "table";
-
-function formatTable(data: Array<Record<string, unknown>>): string {
-  if (data.length === 0) return "";
-  const keys = Object.keys(data[0]);
-  const widths = keys.map((k) => {
-    let max = k.length;
-    for (const row of data) {
-      const len = String(row[k] ?? "").length;
-      if (len > max) max = len;
-    }
-    return max;
-  });
-  const header = keys.map((k, i) => k.toUpperCase().padEnd(widths[i])).join("  ");
-  const rows = data.map((row) =>
-    keys.map((k, i) => String(row[k] ?? "").padEnd(widths[i])).join("  "),
-  );
-  return [header, ...rows].join("\n");
-}
+export type OutputFormat = "json" | "yaml";
 
 export function formatOutput(data: unknown, format: OutputFormat): string {
   switch (format) {
@@ -26,10 +8,5 @@ export function formatOutput(data: unknown, format: OutputFormat): string {
       return JSON.stringify(data);
     case "yaml":
       return stringify(data).trimEnd();
-    case "table":
-      if (Array.isArray(data) && data.length > 0 && typeof data[0] === "object" && data[0] !== null) {
-        return formatTable(data as Array<Record<string, unknown>>);
-      }
-      return stringify(data).trimEnd();
   }
 }