Add hidden prompt_to_focus field to OpenPromptLibrary action (#29062)

Release Notes:

- N/A

crates/agent/src/active_thread.rs

@@ -2965,6 +2965,11 @@ impl ActiveThread {
             ))
         };
 
+        let first_default_user_rules_id = project_context
+            .default_user_rules
+            .first()
+            .map(|user_rules| user_rules.uuid);
+
         let rules_files = project_context
             .worktrees
             .iter()
@@ -3015,8 +3020,13 @@ impl ActiveThread {
                                     .icon_color(Color::Ignored)
                                     // TODO: Figure out a way to pass focus handle here so we can display the `OpenPromptLibrary`  keybinding
                                     .tooltip(Tooltip::text("View User Rules"))
-                                    .on_click(|_event, window, cx| {
-                                        window.dispatch_action(Box::new(OpenPromptLibrary), cx)
+                                    .on_click(move |_event, window, cx| {
+                                        window.dispatch_action(
+                                            Box::new(OpenPromptLibrary {
+                                                prompt_to_focus: first_default_user_rules_id,
+                                            }),
+                                            cx,
+                                        )
                                     }),
                             ),
                     )

crates/agent/src/assistant_panel.rs

@@ -25,7 +25,7 @@ use language_model::{LanguageModelProviderTosView, LanguageModelRegistry};
 use language_model_selector::ToggleModelSelector;
 use project::Project;
 use prompt_library::{PromptLibrary, open_prompt_library};
-use prompt_store::PromptBuilder;
+use prompt_store::{PromptBuilder, PromptId};
 use proto::Plan;
 use settings::{Settings, update_settings_file};
 use time::UtcOffset;
@@ -83,7 +83,7 @@ pub fn init(cx: &mut App) {
                     if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
                         workspace.focus_panel::<AssistantPanel>(window, cx);
                         panel.update(cx, |panel, cx| {
-                            panel.deploy_prompt_library(&OpenPromptLibrary, window, cx)
+                            panel.deploy_prompt_library(&OpenPromptLibrary::default(), window, cx)
                         });
                     }
                 })
@@ -488,7 +488,7 @@ impl AssistantPanel {
 
     fn deploy_prompt_library(
         &mut self,
-        _: &OpenPromptLibrary,
+        action: &OpenPromptLibrary,
         _window: &mut Window,
         cx: &mut Context<Self>,
     ) {
@@ -502,6 +502,7 @@ impl AssistantPanel {
                     None,
                 ))
             }),
+            action.prompt_to_focus.map(|uuid| PromptId::User { uuid }),
             cx,
         )
         .detach_and_log_err(cx);
@@ -1119,7 +1120,7 @@ impl AssistantPanel {
                                                     "New Text Thread",
                                                     NewTextThread.boxed_clone(),
                                                 )
-                                                .action("Prompt Library", Box::new(OpenPromptLibrary))
+                                                .action("Prompt Library", Box::new(OpenPromptLibrary::default()))
                                                 .action("Settings", Box::new(OpenConfiguration))
                                                 .separator()
                                                 .action(

crates/agent/src/thread_store.rs

@@ -24,8 +24,8 @@ use heed::types::SerdeBincode;
 use language_model::{LanguageModelToolUseId, Role, TokenUsage};
 use project::{Project, Worktree};
 use prompt_store::{
-    DefaultUserRulesContext, ProjectContext, PromptBuilder, PromptStore, PromptsUpdatedEvent,
-    RulesFileContext, WorktreeContext,
+    DefaultUserRulesContext, ProjectContext, PromptBuilder, PromptId, PromptStore,
+    PromptsUpdatedEvent, RulesFileContext, WorktreeContext,
 };
 use serde::{Deserialize, Serialize};
 use settings::{Settings as _, SettingsStore};
@@ -246,6 +246,10 @@ impl ThreadStore {
                 .into_iter()
                 .flat_map(|(contents, prompt_metadata)| match contents {
                     Ok(contents) => Some(DefaultUserRulesContext {
+                        uuid: match prompt_metadata.id {
+                            PromptId::User { uuid } => uuid,
+                            PromptId::EditWorkflow => return None,
+                        },
                         title: prompt_metadata.title.map(|title| title.to_string()),
                         contents,
                     }),