hive-forge: add body to pr show --json, error --json on six verbs that silently ignored it

hive-forge/src/verbs/branches.rs

@@ -1,6 +1,6 @@
 //! `branches [pattern] [repo]` — list branches, optionally filtered.
 
-use anyhow::Result;
+use anyhow::{Result, bail};
 use clap::Args as ClapArgs;
 
 use crate::client::Client;
@@ -12,6 +12,11 @@ pub struct Args {
 }
 
 pub fn run(client: &Client, args: Args) -> Result<()> {
+    if client.json_mode() {
+        bail!(
+            "hive-forge branches: --json is not supported for this verb, only the plain name list"
+        );
+    }
     let (owner, name) = client.owner_repo()?;
     let (_, branches) = client
         .api()

hive-forge/src/verbs/clone.rs

@@ -39,6 +39,9 @@ pub struct Args {
 /// Returns an error if the `git clone` shellout fails (bad repo, auth
 /// rejected, network) or the destination can't be derived.
 pub fn run(client: &Client, args: Args) -> Result<()> {
+    if client.json_mode() {
+        bail!("hive-forge clone: --json is not supported for this verb, only the destination path");
+    }
     let repo = client.repo()?;
     let dest = match args.dest {
         Some(d) => d,

hive-forge/src/verbs/diff.rs

@@ -13,7 +13,7 @@
 //! lockfile without any information the reader can act on.
 //! Pass `--full` to dump the unfiltered diff.
 
-use anyhow::Result;
+use anyhow::{Result, bail};
 use clap::Args as ClapArgs;
 use forgejo_api::structs::RepoDownloadPullDiffOrPatchQuery;
 
@@ -31,6 +31,9 @@ pub struct Args {
 }
 
 pub fn run(client: &Client, args: Args) -> Result<()> {
+    if client.json_mode() {
+        bail!("hive-forge diff: --json is not supported for this verb — a diff is text by nature");
+    }
     let (owner, name) = client.owner_repo()?;
     let diff = client
         .api()

hive-forge/src/verbs/pr.rs

@@ -31,6 +31,7 @@ pub fn run(client: &Client, args: Args) -> Result<()> {
         "head_sha": pull.head.as_ref().and_then(|h| h.sha.as_deref()),
         "head_branch": pull.head.as_ref().and_then(|h| h.label.as_deref()),
         "base_branch": pull.base.as_ref().and_then(|b| b.label.as_deref()),
+        "body": pull.body,
         "dependencies": dependencies,
         "blocking": blocking,
         "reactions": reactions,

hive-forge/src/verbs/tree_sha.rs

@@ -1,7 +1,7 @@
 //! `tree-sha <ref> [repo]` — print the tree SHA of the commit at a
 //! branch name or commit SHA.
 
-use anyhow::Result;
+use anyhow::{Result, bail};
 use clap::Args as ClapArgs;
 use forgejo_api::structs::RepoGetSingleCommitQuery;
 
@@ -14,6 +14,9 @@ pub struct Args {
 }
 
 pub fn run(client: &Client, args: Args) -> Result<()> {
+    if client.json_mode() {
+        bail!("hive-forge tree-sha: --json is not supported for this verb, only the plain sha");
+    }
     let (owner, name) = client.owner_repo()?;
     // Try branch first; the bash helper silently treats failure as
     // "not a branch, use the reference as a commit sha directly".

hive-forge/src/verbs/view.rs

@@ -1,7 +1,7 @@
 //! `view <number> [repo]` — dump title + body + all comments as
 //! markdown.
 
-use anyhow::Result;
+use anyhow::{Result, bail};
 use clap::Args as ClapArgs;
 use forgejo_api::structs::{IssueGetCommentsQuery, StateType};
 
@@ -16,6 +16,12 @@ pub struct Args {
 }
 
 pub fn run(client: &Client, args: Args) -> Result<()> {
+    if client.json_mode() {
+        bail!(
+            "hive-forge view: --json is not supported for this verb — \
+             use `issue show`/`pr show` for structured fields"
+        );
+    }
     let repo = client.repo()?;
     // Reading the thread clears its unread notification so the
     // read-before-comment guard (in `comment`) lets a reply through.