fix(tasks): accept execution scope in task responses

Server responses now require execution_scope, but the strict frontend schema rejected it and prevented investigation and appointment loading. Declare it in the shared response schema and align task fixtures; regression coverage exercises summaries, details and both task categories.

src/features/workbench/api/operational-task-client.test.ts

@@ -21,6 +21,7 @@ function task(generation: number | null | undefined = 2) {
   const snapshot = { revision: 1, source_session_id: "session", published_at: time, published_by: "agent",
     ...(generation === undefined ? {} : { execution_generation: generation }) };
   return {
+    execution_scope: "production",
     project_id: id, task_id: id, task_type: "event_investigation", workflow: "water_quality_complaint",
     lifecycle_status: "waiting_human", active_run: null,
     status: "waiting_human", priority: "normal", revision: 1, execution_generation: 2,
@@ -42,6 +43,28 @@ function task(generation: number | null | undefined = 2) {
 afterEach(() => vi.unstubAllGlobals());
 
 describe("operational task contract", () => {
+  it.each(["event_investigation", "external_work_order", "scheduled_flow"])(
+    "loads %s summaries and details with the Server execution scope", (taskType) => {
+      const detail = { ...task(), task_type: taskType, execution_scope: "production" };
+      const {
+        latest_plan: _latestPlan, latest_report: _latestReport, evidence: _evidence,
+        actions: _actions, permissions: _permissions, ...summary
+      } = detail;
+      expect(parseOperationalTaskSummary(summary)).toHaveProperty("execution_scope", "production");
+      expect(parseOperationalTask(detail)).toHaveProperty("execution_scope", "production");
+    }
+  );
+
+  it.each([undefined, null, "", 1])("rejects an invalid execution scope %j", (scope) => {
+    const detail = { ...task(), execution_scope: scope };
+    const {
+      latest_plan: _latestPlan, latest_report: _latestReport, evidence: _evidence,
+      actions: _actions, permissions: _permissions, ...summary
+    } = detail;
+    expect(() => parseOperationalTaskSummary(summary)).toThrow();
+    expect(() => parseOperationalTask(detail)).toThrow();
+  });
+
   describe.each(["event_investigation", "external_work_order", "scheduled_flow"])("%s replay context", (taskType) => {
     const replayContext = { replay_id: id, knowledge_cutoff: time, batch_sequence: 1 };
 
@@ -170,6 +193,7 @@ describe("operational task contract", () => {
   it("keeps unknown fields and invalid generations rejected", () => {
     expect(() => parseOperationalTask(task(0))).toThrow();
     const value = task();
+    expect(() => parseOperationalTask({ ...value, unexpected: true })).toThrow();
     expect(() => parseOperationalTask({ ...value, latest_plan: { ...value.latest_plan, unexpected: true } })).toThrow();
     expect(() => parseOperationalTask({ ...value, latest_report: { ...value.latest_report, unexpected: true } })).toThrow();
     expect(() => parseOperationalTask({ ...value, latest_report: { ...value.latest_report, execution_generation: -1 } })).toThrow();

src/features/workbench/api/operational-task-client.ts

@@ -50,6 +50,7 @@ const operationalTaskRunPageSchema = z.object({
   next_cursor: z.string().min(1).nullable()
 }).strict();
 const taskSummarySchema = z.object({
+  execution_scope: z.string().min(1),
   handling_context: z.record(z.unknown()).optional(),
   project_id: z.string().uuid(),
   task_id: z.string().uuid(),

src/features/workbench/components/agent-execution-plan-panel.test.tsx

@@ -62,6 +62,7 @@ describe("execution step cards", () => {
 });
 
 const taskBase = {
+  execution_scope: "production",
   project_id: "11111111-1111-4111-8111-111111111111",
   task_id: "22222222-2222-4222-8222-222222222222",
   task_type: "event_investigation",

src/features/workbench/hooks/use-operational-tasks.test.ts

@@ -9,6 +9,7 @@ import {
 
 function task(taskType: OperationalTask["task_type"]): OperationalTask {
   return {
+    execution_scope: "production",
     project_id: "11111111-1111-4111-8111-111111111111",
     task_id: "22222222-2222-4222-8222-222222222222",
     task_type: taskType,