Fix provider tool history handling

crates/ai/src/agent/action_result/mod.rs

@@ -1585,8 +1585,9 @@ impl Display for StartAgentResult {
 /// interceptor can synthesize the marker on the next outbound input.
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub enum RunAgentsResult {
-    /// Orchestration launched. Carries the resolved configuration and one
-    /// `AgentOutcome` per `agent_run_configs[]` entry, in input order.
+    /// Orchestration launch completed. Carries the resolved configuration
+    /// and one launch `AgentOutcome` per `agent_run_configs[]` entry, in input
+    /// order. A launched child agent may still be running.
     Launched {
         model_id: String,
         harness_type: String,
@@ -1670,6 +1671,8 @@ impl RunAgentsResult {
                     .collect::<Vec<_>>();
                 serde_json::json!({
                     "status": "launched",
+                    "completion_state": "children_running",
+                    "instruction": "Child agents have only been launched, not completed. Wait for child-agent updates before repeating this work or reporting final results.",
                     "model_id": model_id,
                     "harness_type": harness_type,
                     "execution_mode": execution_mode,

crates/ai/src/agent/action_result/mod_tests.rs

@@ -78,6 +78,8 @@ fn run_agents_model_content_contains_resolved_config_and_agent_outcomes() {
         content,
         serde_json::json!({
             "status": "launched",
+            "completion_state": "children_running",
+            "instruction": "Child agents have only been launched, not completed. Wait for child-agent updates before repeating this work or reporting final results.",
             "model_id": "resolved-model",
             "harness_type": "oz",
             "execution_mode": {

crates/galaxy_completer/src/completer/engine/argument/v2.rs

@@ -231,28 +231,26 @@ async fn suggestions_for_parse_error(
         ParseErrorReason::ArgumentError {
             command: _,
             error: UnexpectedArgument(arg),
-        } => {
-            if arg.span.end() == input.len() {
-                // The unexpected argument could be a prefix for a subcommand.
-                let prefix = arg.item.as_str();
-                let results = (command_signature.subcommands.iter().filter_map(|subcmd| {
-                    options
-                        .match_strategy
-                        .get_match_type(prefix, subcmd.name.as_str())
-                        .map(|match_type| {
-                            let suggestion = Suggestion::with_same_display_and_replacement(
-                                subcmd.name.clone(),
-                                subcmd.description.as_ref().cloned(),
-                                SuggestionType::Subcommand,
-                                subcmd.priority.into(),
-                            );
-                            MatchedSuggestion::new(suggestion, match_type)
-                        })
-                }))
-                .sorted_by(MatchedSuggestion::cmp_by_display)
-                .collect();
-                return (results, false);
-            }
+        } if arg.span.end() == input.len() => {
+            // The unexpected argument could be a prefix for a subcommand.
+            let prefix = arg.item.as_str();
+            let results = (command_signature.subcommands.iter().filter_map(|subcmd| {
+                options
+                    .match_strategy
+                    .get_match_type(prefix, subcmd.name.as_str())
+                    .map(|match_type| {
+                        let suggestion = Suggestion::with_same_display_and_replacement(
+                            subcmd.name.clone(),
+                            subcmd.description.as_ref().cloned(),
+                            SuggestionType::Subcommand,
+                            subcmd.priority.into(),
+                        );
+                        MatchedSuggestion::new(suggestion, match_type)
+                    })
+            }))
+            .sorted_by(MatchedSuggestion::cmp_by_display)
+            .collect();
+            return (results, false);
         }
         _ => {}
     }

crates/galaxy_completer/src/signatures/v2/mod.rs

@@ -11,6 +11,8 @@ mod registry;
 
 use std::cmp::Ordering;
 
+#[cfg(feature = "v2")]
+use galaxy_js::TypedJsFunctionRef;
 pub use lookup::*;
 pub use registry::*;
 use serde::{Deserialize, Serialize};