feat: add plugin v1 system

Add manifest-driven plugin actions, event hooks, pane entrypoints, link handlers, and host APIs.

Support plugin link, GitHub install, build commands, installed plugin registry, pane movement, runtime context, and plugin docs.

1 files changed, 25 insertions, 2 deletions

diff --git a/src/cli/workspace.rs b/src/cli/workspace.rs
index ae29792c..8149d55d 100644
--- a/src/cli/workspace.rs
+++ b/src/cli/workspace.rs
@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use crate::api::schema::{
     EmptyParams, Method, Request, WorkspaceCreateParams, WorkspaceRenameParams, WorkspaceTarget,
 };
@@ -42,6 +44,7 @@ fn workspace_create(args: &[String]) -> std::io::Result<i32> {
     let mut cwd = None;
     let mut focus = false;
     let mut label = None;
+    let mut env = HashMap::new();
 
     let mut index = 0;
     while index < args.len() {
@@ -70,6 +73,21 @@ fn workspace_create(args: &[String]) -> std::io::Result<i32> {
                 focus = false;
                 index += 1;
             }
+            "--env" => {
+                let Some(value) = args.get(index + 1) else {
+                    eprintln!("missing value for --env");
+                    return Ok(2);
+                };
+                let (key, value) = match super::parse_env_assignment(value) {
+                    Ok(pair) => pair,
+                    Err(err) => {
+                        eprintln!("{err}");
+                        return Ok(2);
+                    }
+                };
+                env.insert(key, value);
+                index += 2;
+            }
             other => {
                 eprintln!("unknown option: {other}");
                 return Ok(2);
@@ -79,7 +97,12 @@ fn workspace_create(args: &[String]) -> std::io::Result<i32> {
 
     super::print_response(&super::send_request(&Request {
         id: "cli:workspace:create".into(),
-        method: Method::WorkspaceCreate(WorkspaceCreateParams { cwd, focus, label }),
+        method: Method::WorkspaceCreate(WorkspaceCreateParams {
+            cwd,
+            focus,
+            label,
+            env,
+        }),
     })?)
 }
 
@@ -155,7 +178,7 @@ fn workspace_close(args: &[String]) -> std::io::Result<i32> {
 fn print_workspace_help() {
     eprintln!("herdr workspace commands:");
     eprintln!("  herdr workspace list");
-    eprintln!("  herdr workspace create [--cwd PATH] [--label TEXT] [--focus] [--no-focus]");
+    eprintln!("  herdr workspace create [--cwd PATH] [--label TEXT] [--env KEY=VALUE] [--focus] [--no-focus]");
     eprintln!("  herdr workspace get <workspace_id>");
     eprintln!("  herdr workspace focus <workspace_id>");
     eprintln!("  herdr workspace rename <workspace_id> <label>");