hive-forge: make --json a global flag (closes #421)

docs/gotchas.md

@@ -124,7 +124,7 @@ since #280). Use it instead of ad-hoc curl pipelines:
 ```bash
 hive-forge view 42                          # title + body + comments
 hive-forge comments 42                      # list all comments (human-readable)
-hive-forge comments 42 --json               # list as JSON array
+hive-forge --json comments 42               # same as above, JSON array (global flag, closes #421)
 hive-forge comment 42 --body "..."          # post comment (inline body)
 hive-forge comment 42 --body-file - <<EOF   # ...or pipe a HEREDOC
 multi-line body

hive-forge/src/client.rs

@@ -26,14 +26,19 @@ pub struct Client {
     /// Default repo used when a verb doesn't carry an explicit
     /// `[repo]` override.
     pub default_repo: String,
+    /// Global `--json` flag — verbs that have a human-readable
+    /// default path branch on `client.json_mode()` to pick the
+    /// JSON output shape instead. Closes #421.
+    json_mode: bool,
 }
 
 impl Client {
     /// Build a client from the standard environment variables.
     /// `repo_override` (from the global `-r/--repo` flag) takes
     /// priority over `HIVE_FORGE_REPO`; the env var is the fallback
-    /// default.
-    pub fn from_env(repo_override: Option<String>) -> Result<Self> {
+    /// default. `json_mode` comes from the global `--json` flag —
+    /// per-verb output formatters key off it via `Client::json_mode`.
+    pub fn from_env(repo_override: Option<String>, json_mode: bool) -> Result<Self> {
         let base = std::env::var("HIVE_FORGE_URL").unwrap_or_else(|_| DEFAULT_URL.to_owned());
         let default_repo = repo_override
             .or_else(|| std::env::var("HIVE_FORGE_REPO").ok())
@@ -55,9 +60,19 @@ impl Client {
             http,
             base,
             default_repo,
+            json_mode,
         })
     }
 
+    /// True when the operator passed the global `--json` flag.
+    /// Verbs that have a human-readable default branch on this to
+    /// emit JSON instead. Verbs whose only output format is JSON
+    /// (e.g. `issue`, `pr`) can ignore it.
+    #[must_use]
+    pub fn json_mode(&self) -> bool {
+        self.json_mode
+    }
+
     /// Resolve the API base path (`<base>/api/v1`).
     fn api(&self) -> String {
         format!("{}/api/v1", self.base)

hive-forge/src/main.rs

@@ -35,6 +35,12 @@ struct Cli {
     /// positional the bash helper used.
     #[arg(short = 'r', long, global = true)]
     repo: Option<String>,
+    /// Emit JSON output instead of the verb's default human-readable
+    /// shape, for verbs that support both (closes #421). Verbs whose
+    /// only output is already JSON (`issue`, `pr`, etc.) ignore this
+    /// flag — they always print JSON regardless.
+    #[arg(long, global = true)]
+    json: bool,
     #[command(subcommand)]
     verb: Verb,
 }
@@ -87,7 +93,8 @@ enum Verb {
 
 fn main() -> Result<()> {
     let cli = Cli::parse();
-    let client = client::Client::from_env(cli.repo).context("initialize forge client")?;
+    let client =
+        client::Client::from_env(cli.repo, cli.json).context("initialize forge client")?;
     match cli.verb {
         Verb::View(a) => verbs::view::run(&client, a),
         Verb::Issue(a) => verbs::issue::run(&client, a),

hive-forge/src/verbs/comment_show.rs

@@ -1,5 +1,5 @@
-//! `comment-show <id> [--json] [repo]` — print the body (or full
-//! JSON) of a single comment by id.
+//! `comment-show <id>` — print the body (or full JSON envelope
+//! when `--json` is set globally) of a single comment by id.
 
 use anyhow::Result;
 use clap::Args as ClapArgs;
@@ -12,15 +12,12 @@ use crate::verbs::print_json;
 pub struct Args {
     /// Comment id.
     id: u64,
-    /// Print full JSON envelope instead of just the body text.
-    #[arg(long)]
-    json: bool,
 }
 
 pub fn run(client: &Client, args: Args) -> Result<()> {
     let repo = client.repo();
     let v = client.get_json(&format!("/repos/{repo}/issues/comments/{}", args.id))?;
-    if args.json {
+    if client.json_mode() {
         let trimmed = json!({
             "id": v.get("id"),
             "user": v.get("user").and_then(|u| u.get("login")),

hive-forge/src/verbs/comments.rs

@@ -1,5 +1,6 @@
-//! `comments <number> [--json] [--limit N]` — list all comments on
-//! an issue or PR. Closes the curl-fallback gap (#418).
+//! `comments <number> [--limit N]` — list all comments on an issue
+//! or PR. Closes the curl-fallback gap (#418). Use the global
+//! `--json` flag for JSON output (#421).
 
 use anyhow::Result;
 use clap::Args as ClapArgs;
@@ -12,9 +13,6 @@ use crate::verbs::print_json;
 pub struct Args {
     /// Issue or PR number.
     number: u64,
-    /// Print as JSON array instead of human-readable markdown.
-    #[arg(long)]
-    json: bool,
     /// Page size (Forgejo caps at 50 by default).
     #[arg(long, default_value_t = 50)]
     limit: u64,
@@ -26,7 +24,7 @@ pub fn run(client: &Client, args: Args) -> Result<()> {
         "/repos/{repo}/issues/{}/comments?limit={}",
         args.number, args.limit
     ))?;
-    if args.json {
+    if client.json_mode() {
         let trimmed: Vec<Value> = v
             .as_array()
             .map(|a| {