hive-forge: rewrite bash CLI helper as a rust binary (closes #280)

hive-forge/src/verbs/issue.rs

@@ -0,0 +1,37 @@
+//! `issue <number> [repo]` — print key fields of an issue as JSON.
+
+use anyhow::Result;
+use clap::Args as ClapArgs;
+use serde_json::{Value, json};
+
+use crate::client::Client;
+use crate::verbs::print_json;
+
+#[derive(ClapArgs)]
+pub struct Args {
+    /// Issue number.
+    number: u64,
+    /// Repo override.
+    repo: Option<String>,
+}
+
+pub fn run(client: &Client, args: Args) -> Result<()> {
+    let repo = client.repo(args.repo.as_deref());
+    let v = client.get_json(&format!("/repos/{repo}/issues/{}", args.number))?;
+    let trimmed = json!({
+        "number": v.get("number"),
+        "title": v.get("title"),
+        "state": v.get("state"),
+        "user": v.get("user").and_then(|u| u.get("login")),
+        "assignees": v.get("assignees")
+            .and_then(Value::as_array)
+            .map(|a| a.iter().filter_map(|x| x.get("login")).cloned().collect::<Vec<_>>())
+            .unwrap_or_default(),
+        "labels": v.get("labels")
+            .and_then(Value::as_array)
+            .map(|a| a.iter().filter_map(|x| x.get("name")).cloned().collect::<Vec<_>>())
+            .unwrap_or_default(),
+        "body": v.get("body"),
+    });
+    print_json(&trimmed)
+}