feat(agent): align investigation reports and selected context

src/product/operational-task-client.ts

@@ -1,4 +1,6 @@
 import { bindSessionCredential, releaseSessionCredential, requestWithSessionCredential } from "./credential-refresh.js";
+import { taskReportSchema } from "./investigation-report.js";
+export { taskReportSchema } from "./investigation-report.js";
 import { z } from "zod";
 
 import { config } from "../config.js";
@@ -63,6 +65,10 @@ const agentTaskContextSchema = z.object({
     permissions: z.record(z.boolean()),
   }).passthrough(),
   approved_data_scopes: z.array(taskDataSourceSchema),
+  selected_report: z.object({
+    revision: z.number().int().positive(), execution_generation: z.number().int().positive().nullish(),
+    report: z.unknown(),
+  }).passthrough().nullish(),
 });
 
 const receivedEvidenceSchema = z.object({
@@ -103,15 +109,6 @@ export const taskEvidenceSchema = z.object({
   observed_at: z.string().datetime({ offset: true }),
 });
 
-export const taskReportSchema = z.object({
-  title: z.string().trim().min(1).max(160),
-  current_conclusion: z.string().trim().min(1).max(4000),
-  conclusion_boundary: z.string().trim().min(1).max(2000),
-  evidence_refs: z.array(z.string().trim().min(1).max(128)).max(100).default([]),
-  recommendations: z.array(z.string().trim().min(1).max(1000)).max(30).default([]),
-  pending_items: z.array(z.string().trim().min(1).max(500)).max(20).default([]),
-});
-
 export const operationalTaskDataQuerySchema = z.object({
   source: taskDataSourceSchema,
   device_ids: z.array(z.string().trim().min(1).max(160)).max(20).optional(),
@@ -203,8 +200,9 @@ export const clearOperationalTaskLease = (runtimeSessionId: string) => {
 export class OperationalTaskClient {
   constructor(private readonly baseUrl = config.TJWATER_SERVER_BASE_URL) {}
 
-  async getAgentContext(runtimeSessionId: string, taskId: string) {
-    const raw = await this.request(runtimeSessionId, `/api/v1/operational-tasks/${encodeURIComponent(taskId)}/agent-context`, {
+  async getAgentContext(runtimeSessionId: string, taskId: string, reportRevision?: number) {
+    const query = reportRevision == null ? "" : `?report_revision=${reportRevision}`;
+    const raw = await this.request(runtimeSessionId, `/api/v1/operational-tasks/${encodeURIComponent(taskId)}/agent-context${query}`, {
       method: "GET",
     });
     const result = agentTaskContextSchema.parse(raw);