feat: inject global rules into AI system prompt and fix Rules UI seeding

- Load global rules (AIFact/AIMemory) from local CloudModel and inject
  them into the Bedrock/OpenAI system prompt as a '## Global Rules' section
  when memory is enabled.
- Fix rule seeding: always re-seed predefined rules when the CloudModel has
  none, regardless of the has_seeded_predefined_rules flag (handles case
  where flag was set but rules never persisted due to prior missing owner).
- Rename /context slash command to /copy-context: dumps the full context
  window (global rules, progressive summary, message history) to the
  clipboard for debugging.

app/src/settings/ai.rs

@@ -28,7 +28,6 @@ use warpui::platform::OperatingSystem;
 use warpui::{AppContext, Entity, ModelContext, SingletonEntity, UpdateModel};
 
 use crate::ai::request_usage_model::RequestLimitInfo;
-use crate::auth::AuthStateProvider;
 use crate::report_if_error;
 use crate::settings::PrivacySettings;
 use crate::terminal::CLIAgent;
@@ -1903,13 +1902,10 @@ impl AISettings {
     }
 
     pub fn is_any_ai_enabled(&self, app: &AppContext) -> bool {
-        // Disable AI for anonymous and logged-out users.
-        let is_anonymous_or_logged_out = AuthStateProvider::as_ref(app)
-            .get()
-            .is_anonymous_or_logged_out();
-
+        // Galaxy does not require Warp authentication for AI.
+        // AI is enabled as long as the user hasn't explicitly disabled it
+        // and there's no org policy blocking it.
         *self.is_any_ai_enabled
-            && !is_anonymous_or_logged_out
             && !self.is_ai_disabled_due_to_remote_session_org_policy(app)
     }