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, 19 insertions, 0 deletions

diff --git a/src/app/api/plugins/env.rs b/src/app/api/plugins/env.rs
new file mode 100644
index 00000000..13644a19
--- /dev/null
+++ b/src/app/api/plugins/env.rs
@@ -0,0 +1,19 @@
+use crate::api::schema::InstalledPluginInfo;
+
+pub(super) fn plugin_path_env(plugin: &InstalledPluginInfo) -> Vec<(String, String)> {
+    let component = crate::api::schema::plugin_managed_path_component(&plugin.plugin_id);
+    let config_dir = crate::config::config_dir().join("plugins").join(&component);
+    let state_dir = crate::config::state_dir().join("plugins").join(component);
+
+    vec![
+        ("HERDR_PLUGIN_ROOT".to_string(), plugin.plugin_root.clone()),
+        (
+            "HERDR_PLUGIN_CONFIG_DIR".to_string(),
+            config_dir.display().to_string(),
+        ),
+        (
+            "HERDR_PLUGIN_STATE_DIR".to_string(),
+            state_dir.display().to_string(),
+        ),
+    ]
+}