mcp: log artifact id after every github write (#633)

makes debugging easier by emitting a single `» <verb> <kind> <id>` line
after every successful GitHub write (and upload) the agent performs via
the Pullfrog MCP, mirroring the chevron convention used elsewhere.

mcp/issue.ts

@@ -1,4 +1,5 @@
 import { type } from "arktype";
+import { log } from "../utils/cli.ts";
 import { fixDoubleEscapedString } from "../utils/fixDoubleEscapedString.ts";
 import { patchWorkflowRunFields } from "../utils/patchWorkflowRunFields.ts";
 import type { ToolContext } from "./server.ts";
@@ -32,6 +33,8 @@ export function IssueTool(ctx: ToolContext) {
         assignees: params.assignees ?? [],
       });
 
+      log.info(`» created issue #${result.data.number} (id ${result.data.id})`);
+
       const nodeId = result.data.node_id;
       if (typeof nodeId === "string" && nodeId.length > 0) {
         await patchWorkflowRunFields(ctx, {