ticket: guide Ticket tool language universally

crates/pod/src/feature/builtin/ticket.rs

@@ -12,7 +12,7 @@ use ticket::{
     tool::{
         TICKET_BASE_READ_ONLY_TOOL_NAMES, TICKET_BASE_TOOL_NAMES,
         TICKET_ORCHESTRATION_READ_ONLY_TOOL_NAMES, TICKET_ORCHESTRATION_TOOL_NAMES,
-        TICKET_READ_ONLY_TOOL_NAMES, TICKET_TOOL_NAMES, ticket_tools,
+        TICKET_READ_ONLY_TOOL_NAMES, TICKET_TOOL_NAMES, ticket_tool_description, ticket_tools,
     },
 };
 
@@ -178,7 +178,10 @@ impl FeatureModule for TicketFeature {
             ));
         let enabled_tool_names = self.enabled_tool_names();
         for name in &enabled_tool_names {
-            descriptor = descriptor.with_tool(ToolDeclaration::new(*name, tool_description(name)));
+            descriptor = descriptor.with_tool(ToolDeclaration::new(
+                *name,
+                ticket_tool_description(name, self.record_language.as_deref()),
+            ));
         }
         descriptor
     }
@@ -227,37 +230,6 @@ impl FeatureModule for TicketFeature {
     }
 }
 
-fn tool_description(name: &str) -> &'static str {
-    match name {
-        "TicketCreate" => "Create a Ticket through the typed local Ticket backend.",
-        "TicketList" => {
-            "List Tickets as a lightweight bounded overview for id selection; use TicketShow before decisions."
-        }
-        "TicketShow" => {
-            "Show one Ticket through the typed local Ticket backend as the detailed authority."
-        }
-        "TicketComment" => {
-            "Append a comment/plan/decision/implementation_report event to a Ticket."
-        }
-        "TicketReview" => "Append an approve/request_changes review event to a Ticket.",
-        "TicketIntakeReady" => {
-            "Mark an intake Ticket ready and append the typed intake summary/state transition events."
-        }
-        "TicketWorkflowState" => {
-            "Transition Ticket state; queued -> inprogress is the accepted implementation start, so implementation side effects should happen only after that transition is accepted and recorded."
-        }
-        "TicketClose" => "Close a Ticket with a resolution through the typed local Ticket backend.",
-        "TicketOrchestrationPlanRecord" => {
-            "Append a durable typed Ticket orchestration plan record without changing state or starting work."
-        }
-        "TicketOrchestrationPlanQuery" => {
-            "Query durable Ticket orchestration plan records by Ticket and/or relation kind."
-        }
-        "TicketDoctor" => "Run typed local Ticket backend consistency checks.",
-        _ => "Typed Ticket backend tool.",
-    }
-}
-
 pub fn ticket_tools_feature(workspace: impl AsRef<Path>) -> TicketFeature {
     TicketFeature::for_workspace(workspace)
 }
@@ -298,6 +270,19 @@ mod tests {
         std::fs::write(yoi_dir.join("ticket.config.toml"), content).unwrap();
     }
 
+    fn pending_tool_description(
+        pending_tools: &[llm_worker::tool::ToolDefinition],
+        name: &str,
+    ) -> String {
+        pending_tools
+            .iter()
+            .find_map(|definition| {
+                let (meta, _) = definition();
+                (meta.name == name).then_some(meta.description)
+            })
+            .expect("tool exists")
+    }
+
     #[test]
     fn descriptor_declares_ticket_tools_and_backend_authority() {
         let temp = TempDir::new().unwrap();
@@ -407,6 +392,45 @@ mod tests {
         }
     }
 
+    #[test]
+    fn read_only_companion_style_context_exposes_ticket_language_guidance() {
+        let temp = TempDir::new().unwrap();
+        write_ticket_config(
+            temp.path(),
+            r#"
+[ticket]
+language = "Japanese"
+"#,
+        );
+        make_ticket_root(&temp.path().join(DEFAULT_TICKET_BACKEND_RELATIVE_PATH));
+        let feature = ticket_tools_feature_with_access(temp.path(), TicketFeatureAccess::ReadOnly);
+        let descriptor = feature.descriptor();
+        let descriptor_description = descriptor
+            .tools
+            .iter()
+            .find(|tool| tool.name == "TicketShow")
+            .expect("TicketShow declared")
+            .description
+            .clone();
+        assert!(descriptor_description.contains("Ticket record language: Japanese"));
+
+        let mut pending_tools = Vec::new();
+        let mut hooks = HookRegistryBuilder::default();
+        let report = FeatureRegistryBuilder::new()
+            .with_module(feature)
+            .install_into_pending(&mut pending_tools, &mut hooks);
+
+        assert_eq!(pending_tools.len(), TICKET_READ_ONLY_TOOL_NAMES.len());
+        assert_eq!(
+            report.reports[0].installed_tools,
+            TICKET_READ_ONLY_TOOL_NAMES
+        );
+        let description = pending_tool_description(&pending_tools, "TicketShow");
+        assert!(description.contains("Ticket record language: Japanese"));
+        assert!(description.contains("distinct from worker.language"));
+        assert!(description.contains("Preserve protocol literals"));
+    }
+
     #[test]
     fn lifecycle_installation_exposes_lifecycle_tools() {
         let temp = TempDir::new().unwrap();
@@ -444,6 +468,35 @@ mod tests {
         );
     }
 
+    #[test]
+    fn lifecycle_ticket_role_style_context_exposes_ticket_language_guidance() {
+        let temp = TempDir::new().unwrap();
+        write_ticket_config(
+            temp.path(),
+            r#"
+[ticket]
+language = "Japanese"
+"#,
+        );
+        make_ticket_root(&temp.path().join(DEFAULT_TICKET_BACKEND_RELATIVE_PATH));
+        let mut pending_tools = Vec::new();
+        let mut hooks = HookRegistryBuilder::default();
+        let report = FeatureRegistryBuilder::new()
+            .with_module(ticket_tools_feature_with_access(
+                temp.path(),
+                TicketFeatureAccess::Lifecycle,
+            ))
+            .install_into_pending(&mut pending_tools, &mut hooks);
+
+        assert_eq!(pending_tools.len(), TICKET_TOOL_NAMES.len());
+        assert_eq!(report.reports[0].installed_tools, TICKET_TOOL_NAMES);
+        let description = pending_tool_description(&pending_tools, "TicketComment");
+        assert!(description.contains("Ticket record language: Japanese"));
+        assert!(description.contains("durable Ticket record and Ticket tool body text"));
+        assert!(description.contains("distinct from worker.language"));
+        assert!(description.contains("memory.language"));
+    }
+
     #[test]
     fn installs_ticket_tools_when_default_root_is_usable() {
         let temp = TempDir::new().unwrap();

crates/ticket/src/tool.rs

@@ -131,6 +131,41 @@ explicit state decisions.";
 const DOCTOR_DESCRIPTION: &str = "Run typed Ticket backend consistency checks and return bounded \
 diagnostics through the typed backend without shelling out to external commands.";
 
+fn base_tool_description(name: &str) -> &'static str {
+    match name {
+        "TicketCreate" => CREATE_DESCRIPTION,
+        "TicketList" => LIST_DESCRIPTION,
+        "TicketShow" => SHOW_DESCRIPTION,
+        "TicketComment" => COMMENT_DESCRIPTION,
+        "TicketReview" => REVIEW_DESCRIPTION,
+        "TicketIntakeReady" => INTAKE_READY_DESCRIPTION,
+        "TicketWorkflowState" => WORKFLOW_STATE_DESCRIPTION,
+        "TicketClose" => CLOSE_DESCRIPTION,
+        "TicketRelationRecord" => RELATION_RECORD_DESCRIPTION,
+        "TicketRelationQuery" => RELATION_QUERY_DESCRIPTION,
+        "TicketOrchestrationPlanRecord" => ORCHESTRATION_PLAN_RECORD_DESCRIPTION,
+        "TicketOrchestrationPlanQuery" => ORCHESTRATION_PLAN_QUERY_DESCRIPTION,
+        "TicketDoctor" => DOCTOR_DESCRIPTION,
+        _ => "Ticket backend tool.",
+    }
+}
+
+/// Build the model-visible Ticket tool description for a configured Ticket backend.
+///
+/// `record_language` is the durable Ticket record/tool-body language, distinct from
+/// worker response language and Memory/Knowledge language. Keeping this on the tool
+/// surface ensures every Ticket-capable Pod sees the policy without hidden context
+/// injection or role-launch-only prose.
+pub fn ticket_tool_description(name: &str, record_language: Option<&str>) -> String {
+    let mut description = base_tool_description(name).to_string();
+    if let Some(language) = record_language.filter(|language| !language.trim().is_empty()) {
+        description.push_str("\n\nTicket record language: ");
+        description.push_str(language.trim());
+        description.push_str(". Use this language for durable Ticket record and Ticket tool body text, including Ticket item bodies, thread comments/plans/decisions/implementation reports, reviews, resolutions, intake summaries, and orchestration plan notes. This policy is distinct from worker.language for normal prose and memory.language for Memory/Knowledge. Preserve protocol literals, file paths, commands, logs, identifiers, and quoted external text when translation would reduce fidelity.");
+    }
+    description
+}
+
 #[derive(Debug, Deserialize, schemars::JsonSchema)]
 struct TicketCreateParams {
     /// Ticket title. Must not be empty.
@@ -1273,18 +1308,15 @@ fn json_output(summary: String, value: impl Serialize) -> ToolOutput {
     }
 }
 
-fn tool_definition<T>(
+fn tool_definition<T>(name: &'static str, backend: LocalTicketBackend) -> ToolDefinition
-    name: &'static str,
-    description: &'static str,
-    backend: LocalTicketBackend,
-) -> ToolDefinition
 where
     T: Tool + From<LocalTicketBackend> + 'static,
 {
+    let description = ticket_tool_description(name, backend.record_language());
     Arc::new(move || {
         let schema_value = input_schema(name);
         let meta = ToolMeta::new(name)
-            .description(description)
+            .description(description.clone())
             .input_schema(schema_value);
         let tool: Arc<dyn Tool> = Arc::new(T::from(backend.clone()));
         (meta, tool)
@@ -1348,43 +1380,25 @@ impl_from_backend!(TicketDoctorTool);
 /// Build all MVP Ticket tool definitions over one local backend root.
 pub fn ticket_tools(backend: LocalTicketBackend) -> Vec<ToolDefinition> {
     vec![
-        tool_definition::<TicketCreateTool>("TicketCreate", CREATE_DESCRIPTION, backend.clone()),
+        tool_definition::<TicketCreateTool>("TicketCreate", backend.clone()),
-        tool_definition::<TicketListTool>("TicketList", LIST_DESCRIPTION, backend.clone()),
+        tool_definition::<TicketListTool>("TicketList", backend.clone()),
-        tool_definition::<TicketShowTool>("TicketShow", SHOW_DESCRIPTION, backend.clone()),
+        tool_definition::<TicketShowTool>("TicketShow", backend.clone()),
-        tool_definition::<TicketCommentTool>("TicketComment", COMMENT_DESCRIPTION, backend.clone()),
+        tool_definition::<TicketCommentTool>("TicketComment", backend.clone()),
-        tool_definition::<TicketReviewTool>("TicketReview", REVIEW_DESCRIPTION, backend.clone()),
+        tool_definition::<TicketReviewTool>("TicketReview", backend.clone()),
-        tool_definition::<TicketIntakeReadyTool>(
+        tool_definition::<TicketIntakeReadyTool>("TicketIntakeReady", backend.clone()),
-            "TicketIntakeReady",
+        tool_definition::<TicketWorkflowStateTool>("TicketWorkflowState", backend.clone()),
-            INTAKE_READY_DESCRIPTION,
+        tool_definition::<TicketCloseTool>("TicketClose", backend.clone()),
-            backend.clone(),
+        tool_definition::<TicketRelationRecordTool>("TicketRelationRecord", backend.clone()),
-        ),
+        tool_definition::<TicketRelationQueryTool>("TicketRelationQuery", backend.clone()),
-        tool_definition::<TicketWorkflowStateTool>(
-            "TicketWorkflowState",
-            WORKFLOW_STATE_DESCRIPTION,
-            backend.clone(),
-        ),
-        tool_definition::<TicketCloseTool>("TicketClose", CLOSE_DESCRIPTION, backend.clone()),
-        tool_definition::<TicketRelationRecordTool>(
-            "TicketRelationRecord",
-            RELATION_RECORD_DESCRIPTION,
-            backend.clone(),
-        ),
-        tool_definition::<TicketRelationQueryTool>(
-            "TicketRelationQuery",
-            RELATION_QUERY_DESCRIPTION,
-            backend.clone(),
-        ),
         tool_definition::<TicketOrchestrationPlanRecordTool>(
             "TicketOrchestrationPlanRecord",
-            ORCHESTRATION_PLAN_RECORD_DESCRIPTION,
             backend.clone(),
         ),
         tool_definition::<TicketOrchestrationPlanQueryTool>(
             "TicketOrchestrationPlanQuery",
-            ORCHESTRATION_PLAN_QUERY_DESCRIPTION,
             backend.clone(),
         ),
-        tool_definition::<TicketDoctorTool>("TicketDoctor", DOCTOR_DESCRIPTION, backend),
+        tool_definition::<TicketDoctorTool>("TicketDoctor", backend),
     ]
 }
 
@@ -1412,6 +1426,16 @@ mod tests {
             .expect("tool exists")
     }
 
+    fn tool_description_by_name(backend: LocalTicketBackend, name: &str) -> String {
+        ticket_tools(backend)
+            .into_iter()
+            .find_map(|definition| {
+                let (meta, _) = definition();
+                (meta.name == name).then_some(meta.description)
+            })
+            .expect("tool exists")
+    }
+
     #[test]
     fn ticket_tool_name_partitions_are_explicit() {
         assert_eq!(
@@ -1463,6 +1487,29 @@ mod tests {
         assert!(meta.description.contains("implementation side effects"));
     }
 
+    #[test]
+    fn tool_descriptions_include_configured_ticket_record_language_guidance() {
+        let temp = TempDir::new().unwrap();
+        let backend = backend(&temp).with_record_language(Some("Japanese"));
+        let description = tool_description_by_name(backend, "TicketComment");
+
+        assert!(description.contains("Ticket record language: Japanese"));
+        assert!(description.contains("durable Ticket record and Ticket tool body text"));
+        assert!(description.contains("distinct from worker.language"));
+        assert!(description.contains("memory.language"));
+        assert!(description.contains("Preserve protocol literals"));
+        assert!(description.contains("file paths, commands, logs, identifiers"));
+    }
+
+    #[test]
+    fn tool_descriptions_omit_ticket_record_language_guidance_when_unset() {
+        let temp = TempDir::new().unwrap();
+        let description = tool_description_by_name(backend(&temp), "TicketComment");
+
+        assert!(!description.contains("Ticket record language:"));
+        assert!(!description.contains("worker.language"));
+    }
+
     #[tokio::test]
     async fn ticket_tools_create_list_show_and_doctor() {
         let temp = TempDir::new().unwrap();
@@ -2256,7 +2303,6 @@ mod tests {
         let temp = TempDir::new().unwrap();
         let create = tool(tool_definition::<TicketCreateTool>(
             "TicketCreate",
-            CREATE_DESCRIPTION,
             backend(&temp),
         ));
         let _ = create;