feat(orchestrator): add MS23 per-agent message history and SSE stream endpoints

GET /agents/:id/messages - paginated message history
GET /agents/:id/messages/stream - SSE live stream with replay

Partial #693

apps/orchestrator/Dockerfile

@@ -21,6 +21,8 @@ FROM base AS deps
 COPY packages/shared/package.json ./packages/shared/
 COPY packages/config/package.json ./packages/config/
 COPY apps/orchestrator/package.json ./apps/orchestrator/
+# Copy API prisma schema so prisma generate can run in the orchestrator build
+COPY apps/api/prisma ./apps/api/prisma
 
 # Copy npm configuration for native binary architecture hints
 COPY .npmrc ./
@@ -46,6 +48,10 @@ COPY --from=deps /app/packages/shared/node_modules ./packages/shared/node_module
 COPY --from=deps /app/packages/config/node_modules ./packages/config/node_modules
 COPY --from=deps /app/apps/orchestrator/node_modules ./apps/orchestrator/node_modules
 
+# Copy API prisma schema and generate the Prisma client for the orchestrator
+COPY apps/api/prisma ./apps/api/prisma
+RUN pnpm --filter=@mosaic/orchestrator prisma:generate
+
 # Build the orchestrator app using TurboRepo
 RUN pnpm turbo build --filter=@mosaic/orchestrator
 

apps/orchestrator/package.json

@@ -3,19 +3,20 @@
   "version": "0.0.20",
   "private": true,
   "scripts": {
-    "dev": "nest start --watch",
     "build": "nest build",
+    "dev": "nest start --watch",
+    "lint": "eslint src/",
+    "lint:fix": "eslint src/ --fix",
+    "prisma:generate": "prisma generate --schema=../api/prisma/schema.prisma",
     "start": "node dist/main.js",
-    "start:dev": "nest start --watch",
     "start:debug": "nest start --debug --watch",
+    "start:dev": "nest start --watch",
     "start:prod": "node dist/main.js",
     "test": "vitest",
-    "test:watch": "vitest watch",
     "test:e2e": "vitest run --config tests/integration/vitest.config.ts",
     "test:perf": "vitest run --config tests/performance/vitest.config.ts",
-    "typecheck": "tsc --noEmit",
+    "test:watch": "vitest watch",
-    "lint": "eslint src/",
+    "typecheck": "tsc --noEmit"
-    "lint:fix": "eslint src/ --fix"
   },
   "dependencies": {
     "@anthropic-ai/sdk": "^0.72.1",
@@ -27,6 +28,7 @@
     "@nestjs/core": "^11.1.12",
     "@nestjs/platform-express": "^11.1.12",
     "@nestjs/throttler": "^6.5.0",
+    "@prisma/client": "^6.19.2",
     "bullmq": "^5.67.2",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
@@ -45,6 +47,7 @@
     "@types/express": "^5.0.1",
     "@types/node": "^22.13.4",
     "@vitest/coverage-v8": "^4.0.18",
+    "prisma": "^6.19.2",
     "ts-node": "^10.9.2",
     "tsconfig-paths": "^4.2.0",
     "typescript": "^5.8.2",

apps/orchestrator/src/agent-ingestion/agent-ingestion.module.ts

@@ -0,0 +1,10 @@
+import { Module } from "@nestjs/common";
+import { PrismaModule } from "../prisma/prisma.module";
+import { AgentIngestionService } from "./agent-ingestion.service";
+
+@Module({
+  imports: [PrismaModule],
+  providers: [AgentIngestionService],
+  exports: [AgentIngestionService],
+})
+export class AgentIngestionModule {}

apps/orchestrator/src/agent-ingestion/agent-ingestion.service.ts

@@ -0,0 +1,141 @@
+import { Injectable, Logger } from "@nestjs/common";
+import type { Prisma } from "@prisma/client";
+import { PrismaService } from "../prisma/prisma.service";
+
+export type AgentConversationRole = "agent" | "user" | "system" | "operator";
+
+@Injectable()
+export class AgentIngestionService {
+  private readonly logger = new Logger(AgentIngestionService.name);
+
+  constructor(private readonly prisma: PrismaService) {}
+
+  private toJsonValue(value: Record<string, unknown>): Prisma.InputJsonValue {
+    return value as Prisma.InputJsonValue;
+  }
+
+  async recordAgentSpawned(
+    agentId: string,
+    parentAgentId?: string,
+    missionId?: string,
+    taskId?: string,
+    agentType?: string
+  ): Promise<void> {
+    await this.prisma.agentSessionTree.upsert({
+      where: { sessionId: agentId },
+      create: {
+        sessionId: agentId,
+        parentSessionId: parentAgentId,
+        missionId,
+        taskId,
+        agentType,
+        status: "spawning",
+      },
+      update: {
+        parentSessionId: parentAgentId,
+        missionId,
+        taskId,
+        agentType,
+        status: "spawning",
+        completedAt: null,
+      },
+    });
+
+    this.logger.debug(`Recorded spawned state for agent ${agentId}`);
+  }
+
+  async recordAgentStarted(agentId: string): Promise<void> {
+    await this.prisma.agentSessionTree.upsert({
+      where: { sessionId: agentId },
+      create: {
+        sessionId: agentId,
+        status: "running",
+      },
+      update: {
+        status: "running",
+      },
+    });
+
+    this.logger.debug(`Recorded running state for agent ${agentId}`);
+  }
+
+  async recordAgentCompleted(agentId: string): Promise<void> {
+    const completedAt = new Date();
+
+    await this.prisma.agentSessionTree.upsert({
+      where: { sessionId: agentId },
+      create: {
+        sessionId: agentId,
+        status: "completed",
+        completedAt,
+      },
+      update: {
+        status: "completed",
+        completedAt,
+      },
+    });
+
+    this.logger.debug(`Recorded completed state for agent ${agentId}`);
+  }
+
+  async recordAgentFailed(agentId: string, error?: string): Promise<void> {
+    const completedAt = new Date();
+    const metadata = error ? this.toJsonValue({ error }) : undefined;
+
+    await this.prisma.agentSessionTree.upsert({
+      where: { sessionId: agentId },
+      create: {
+        sessionId: agentId,
+        status: "failed",
+        completedAt,
+        ...(metadata && { metadata }),
+      },
+      update: {
+        status: "failed",
+        completedAt,
+        ...(metadata && { metadata }),
+      },
+    });
+
+    this.logger.debug(`Recorded failed state for agent ${agentId}`);
+  }
+
+  async recordAgentKilled(agentId: string): Promise<void> {
+    const completedAt = new Date();
+
+    await this.prisma.agentSessionTree.upsert({
+      where: { sessionId: agentId },
+      create: {
+        sessionId: agentId,
+        status: "killed",
+        completedAt,
+      },
+      update: {
+        status: "killed",
+        completedAt,
+      },
+    });
+
+    this.logger.debug(`Recorded killed state for agent ${agentId}`);
+  }
+
+  async recordMessage(
+    sessionId: string,
+    role: AgentConversationRole,
+    content: string,
+    provider = "internal",
+    metadata?: Record<string, unknown>
+  ): Promise<void> {
+    await this.prisma.agentConversationMessage.create({
+      data: {
+        sessionId,
+        role,
+        content,
+        provider,
+        ...(metadata && { metadata: this.toJsonValue(metadata) }),
+      },
+    });
+
+    this.logger.debug(`Recorded message for session ${sessionId}`);
+  }
+}

apps/orchestrator/src/api/agents/agent-messages.service.ts

@@ -0,0 +1,84 @@
+import { Injectable } from "@nestjs/common";
+import { type AgentConversationMessage, type Prisma } from "@prisma/client";
+import { PrismaService } from "../../prisma/prisma.service";
+
+@Injectable()
+export class AgentMessagesService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async getMessages(
+    sessionId: string,
+    limit: number,
+    skip: number
+  ): Promise<{
+    messages: AgentConversationMessage[];
+    total: number;
+  }> {
+    const where = { sessionId };
+
+    const [messages, total] = await Promise.all([
+      this.prisma.agentConversationMessage.findMany({
+        where,
+        orderBy: {
+          timestamp: "desc",
+        },
+        take: limit,
+        skip,
+      }),
+      this.prisma.agentConversationMessage.count({ where }),
+    ]);
+
+    return {
+      messages,
+      total,
+    };
+  }
+
+  async getReplayMessages(sessionId: string, limit = 50): Promise<AgentConversationMessage[]> {
+    const messages = await this.prisma.agentConversationMessage.findMany({
+      where: { sessionId },
+      orderBy: {
+        timestamp: "desc",
+      },
+      take: limit,
+    });
+
+    return messages.reverse();
+  }
+
+  async getMessagesAfter(
+    sessionId: string,
+    lastSeenTimestamp: Date,
+    lastSeenMessageId: string | null
+  ): Promise<AgentConversationMessage[]> {
+    const where: Prisma.AgentConversationMessageWhereInput = {
+      sessionId,
+      ...(lastSeenMessageId
+        ? {
+            OR: [
+              {
+                timestamp: {
+                  gt: lastSeenTimestamp,
+                },
+              },
+              {
+                timestamp: lastSeenTimestamp,
+                id: {
+                  gt: lastSeenMessageId,
+                },
+              },
+            ],
+          }
+        : {
+            timestamp: {
+              gt: lastSeenTimestamp,
+            },
+          }),
+    };
+
+    return this.prisma.agentConversationMessage.findMany({
+      where,
+      orderBy: [{ timestamp: "asc" }, { id: "asc" }],
+    });
+  }
+}

apps/orchestrator/src/api/agents/agents-killswitch.controller.spec.ts

@@ -5,6 +5,7 @@ import { AgentSpawnerService } from "../../spawner/agent-spawner.service";
 import { AgentLifecycleService } from "../../spawner/agent-lifecycle.service";
 import { KillswitchService } from "../../killswitch/killswitch.service";
 import { AgentEventsService } from "./agent-events.service";
+import { AgentMessagesService } from "./agent-messages.service";
 import type { KillAllResult } from "../../killswitch/killswitch.service";
 
 describe("AgentsController - Killswitch Endpoints", () => {
@@ -27,6 +28,12 @@ describe("AgentsController - Killswitch Endpoints", () => {
     subscribe: ReturnType<typeof vi.fn>;
     getInitialSnapshot: ReturnType<typeof vi.fn>;
     createHeartbeat: ReturnType<typeof vi.fn>;
+    getRecentEvents: ReturnType<typeof vi.fn>;
+  };
+  let mockMessagesService: {
+    getMessages: ReturnType<typeof vi.fn>;
+    getReplayMessages: ReturnType<typeof vi.fn>;
+    getMessagesAfter: ReturnType<typeof vi.fn>;
   };
 
   beforeEach(() => {
@@ -61,6 +68,13 @@ describe("AgentsController - Killswitch Endpoints", () => {
         timestamp: new Date().toISOString(),
         data: { heartbeat: true },
       }),
+      getRecentEvents: vi.fn().mockReturnValue([]),
+    };
+
+    mockMessagesService = {
+      getMessages: vi.fn(),
+      getReplayMessages: vi.fn().mockResolvedValue([]),
+      getMessagesAfter: vi.fn().mockResolvedValue([]),
     };
 
     controller = new AgentsController(
@@ -68,7 +82,8 @@ describe("AgentsController - Killswitch Endpoints", () => {
       mockSpawnerService as unknown as AgentSpawnerService,
       mockLifecycleService as unknown as AgentLifecycleService,
       mockKillswitchService as unknown as KillswitchService,
-      mockEventsService as unknown as AgentEventsService
+      mockEventsService as unknown as AgentEventsService,
+      mockMessagesService as unknown as AgentMessagesService
     );
   });
 

apps/orchestrator/src/api/agents/agents.controller.spec.ts

@@ -4,6 +4,7 @@ import { AgentSpawnerService } from "../../spawner/agent-spawner.service";
 import { AgentLifecycleService } from "../../spawner/agent-lifecycle.service";
 import { KillswitchService } from "../../killswitch/killswitch.service";
 import { AgentEventsService } from "./agent-events.service";
+import { AgentMessagesService } from "./agent-messages.service";
 import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
 
 describe("AgentsController", () => {
@@ -30,6 +31,11 @@ describe("AgentsController", () => {
     createHeartbeat: ReturnType<typeof vi.fn>;
     getRecentEvents: ReturnType<typeof vi.fn>;
   };
+  let messagesService: {
+    getMessages: ReturnType<typeof vi.fn>;
+    getReplayMessages: ReturnType<typeof vi.fn>;
+    getMessagesAfter: ReturnType<typeof vi.fn>;
+  };
 
   beforeEach(() => {
     // Create mock services
@@ -69,13 +75,20 @@ describe("AgentsController", () => {
       getRecentEvents: vi.fn().mockReturnValue([]),
     };
 
+    messagesService = {
+      getMessages: vi.fn(),
+      getReplayMessages: vi.fn().mockResolvedValue([]),
+      getMessagesAfter: vi.fn().mockResolvedValue([]),
+    };
+
     // Create controller with mocked services
     controller = new AgentsController(
       queueService as unknown as QueueService,
       spawnerService as unknown as AgentSpawnerService,
       lifecycleService as unknown as AgentLifecycleService,
       killswitchService as unknown as KillswitchService,
-      eventsService as unknown as AgentEventsService
+      eventsService as unknown as AgentEventsService,
+      messagesService as unknown as AgentMessagesService
     );
   });
 
@@ -365,6 +378,52 @@ describe("AgentsController", () => {
     });
   });
 
+  describe("getAgentMessages", () => {
+    it("should return paginated message history", async () => {
+      const agentId = "0b64079f-4487-42b9-92eb-cf8ea0042a64";
+      const query = {
+        limit: 25,
+        skip: 10,
+      };
+
+      const response = {
+        messages: [
+          {
+            id: "msg-1",
+            sessionId: agentId,
+            role: "agent",
+            content: "hello",
+            provider: "internal",
+            timestamp: new Date("2026-03-07T03:00:00.000Z"),
+            metadata: {},
+          },
+        ],
+        total: 101,
+      };
+
+      messagesService.getMessages.mockResolvedValue(response);
+
+      const result = await controller.getAgentMessages(agentId, query);
+
+      expect(messagesService.getMessages).toHaveBeenCalledWith(agentId, 25, 10);
+      expect(result).toEqual(response);
+    });
+
+    it("should use default pagination values", async () => {
+      const agentId = "0b64079f-4487-42b9-92eb-cf8ea0042a64";
+      const query = {
+        limit: 50,
+        skip: 0,
+      };
+
+      messagesService.getMessages.mockResolvedValue({ messages: [], total: 0 });
+
+      await controller.getAgentMessages(agentId, query);
+
+      expect(messagesService.getMessages).toHaveBeenCalledWith(agentId, 50, 0);
+    });
+  });
+
   describe("getRecentEvents", () => {
     it("should return recent events with default limit", () => {
       eventsService.getRecentEvents.mockReturnValue([

apps/orchestrator/src/api/agents/agents.controller.ts

@@ -15,6 +15,7 @@ import {
   MessageEvent,
   Query,
 } from "@nestjs/common";
+import type { AgentConversationMessage } from "@prisma/client";
 import { Throttle } from "@nestjs/throttler";
 import { Observable } from "rxjs";
 import { QueueService } from "../../queue/queue.service";
@@ -25,6 +26,8 @@ import { SpawnAgentDto, SpawnAgentResponseDto } from "./dto/spawn-agent.dto";
 import { OrchestratorApiKeyGuard } from "../../common/guards/api-key.guard";
 import { OrchestratorThrottlerGuard } from "../../common/guards/throttler.guard";
 import { AgentEventsService } from "./agent-events.service";
+import { GetMessagesQueryDto } from "./dto/get-messages-query.dto";
+import { AgentMessagesService } from "./agent-messages.service";
 
 /**
  * Controller for agent management endpoints
@@ -47,7 +50,8 @@ export class AgentsController {
     private readonly spawnerService: AgentSpawnerService,
     private readonly lifecycleService: AgentLifecycleService,
     private readonly killswitchService: KillswitchService,
-    private readonly eventsService: AgentEventsService
+    private readonly eventsService: AgentEventsService,
+    private readonly messagesService: AgentMessagesService
   ) {}
 
   /**
@@ -185,6 +189,107 @@ export class AgentsController {
     }
   }
 
+  /**
+   * Get paginated message history for an agent.
+   */
+  @Get(":agentId/messages")
+  @Throttle({ status: { limit: 200, ttl: 60000 } })
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
+  async getAgentMessages(
+    @Param("agentId", ParseUUIDPipe) agentId: string,
+    @Query() query: GetMessagesQueryDto
+  ): Promise<{
+    messages: AgentConversationMessage[];
+    total: number;
+  }> {
+    return this.messagesService.getMessages(agentId, query.limit, query.skip);
+  }
+
+  /**
+   * Stream per-agent conversation messages as server-sent events (SSE).
+   */
+  @Sse(":agentId/messages/stream")
+  @Throttle({ status: { limit: 200, ttl: 60000 } })
+  streamAgentMessages(@Param("agentId", ParseUUIDPipe) agentId: string): Observable<MessageEvent> {
+    return new Observable<MessageEvent>((subscriber) => {
+      let isClosed = false;
+      let lastSeenTimestamp = new Date();
+      let lastSeenMessageId: string | null = null;
+
+      const emitMessage = (message: AgentConversationMessage): void => {
+        if (isClosed) {
+          return;
+        }
+
+        subscriber.next({
+          data: this.toMessageStreamPayload(message),
+        });
+
+        lastSeenTimestamp = message.timestamp;
+        lastSeenMessageId = message.id;
+      };
+
+      void this.messagesService
+        .getReplayMessages(agentId, 50)
+        .then((messages) => {
+          if (isClosed) {
+            return;
+          }
+
+          messages.forEach((message) => {
+            emitMessage(message);
+          });
+
+          if (messages.length === 0) {
+            lastSeenTimestamp = new Date();
+            lastSeenMessageId = null;
+          }
+        })
+        .catch((error: unknown) => {
+          this.logger.error(
+            `Failed to load replay messages for ${agentId}: ${error instanceof Error ? error.message : String(error)}`
+          );
+          lastSeenTimestamp = new Date();
+          lastSeenMessageId = null;
+        });
+
+      const pollInterval = setInterval(() => {
+        if (isClosed) {
+          return;
+        }
+
+        void this.messagesService
+          .getMessagesAfter(agentId, lastSeenTimestamp, lastSeenMessageId)
+          .then((messages) => {
+            if (isClosed || messages.length === 0) {
+              return;
+            }
+
+            messages.forEach((message) => {
+              emitMessage(message);
+            });
+          })
+          .catch((error: unknown) => {
+            this.logger.error(
+              `Failed to poll messages for ${agentId}: ${error instanceof Error ? error.message : String(error)}`
+            );
+          });
+      }, 1000);
+
+      const heartbeat = setInterval(() => {
+        if (!isClosed) {
+          subscriber.next({ data: { type: "heartbeat" } });
+        }
+      }, 15000);
+
+      return () => {
+        isClosed = true;
+        clearInterval(pollInterval);
+        clearInterval(heartbeat);
+      };
+    });
+  }
+
   /**
    * Get agent status
    * @param agentId Agent ID to query
@@ -301,4 +406,24 @@ export class AgentsController {
       throw error;
     }
   }
+
+  private toMessageStreamPayload(message: AgentConversationMessage): {
+    messageId: string;
+    sessionId: string;
+    role: string;
+    content: string;
+    provider: string;
+    timestamp: string;
+    metadata: unknown;
+  } {
+    return {
+      messageId: message.id,
+      sessionId: message.sessionId,
+      role: message.role,
+      content: message.content,
+      provider: message.provider,
+      timestamp: message.timestamp.toISOString(),
+      metadata: message.metadata,
+    };
+  }
 }

apps/orchestrator/src/api/agents/agents.module.ts

@@ -6,10 +6,12 @@ import { KillswitchModule } from "../../killswitch/killswitch.module";
 import { ValkeyModule } from "../../valkey/valkey.module";
 import { OrchestratorApiKeyGuard } from "../../common/guards/api-key.guard";
 import { AgentEventsService } from "./agent-events.service";
+import { PrismaModule } from "../../prisma/prisma.module";
+import { AgentMessagesService } from "./agent-messages.service";
 
 @Module({
-  imports: [QueueModule, SpawnerModule, KillswitchModule, ValkeyModule],
+  imports: [QueueModule, SpawnerModule, KillswitchModule, ValkeyModule, PrismaModule],
   controllers: [AgentsController],
-  providers: [OrchestratorApiKeyGuard, AgentEventsService],
+  providers: [OrchestratorApiKeyGuard, AgentEventsService, AgentMessagesService],
 })
 export class AgentsModule {}

apps/orchestrator/src/api/agents/dto/get-messages-query.dto.spec.ts

@@ -0,0 +1,37 @@
+import { plainToInstance } from "class-transformer";
+import { validate } from "class-validator";
+import { describe, expect, it } from "vitest";
+import { GetMessagesQueryDto } from "./get-messages-query.dto";
+
+describe("GetMessagesQueryDto", () => {
+  it("should use defaults when empty", async () => {
+    const dto = plainToInstance(GetMessagesQueryDto, {});
+    const errors = await validate(dto);
+
+    expect(errors).toHaveLength(0);
+    expect(dto.limit).toBe(50);
+    expect(dto.skip).toBe(0);
+  });
+
+  it("should reject limit greater than 200", async () => {
+    const dto = plainToInstance(GetMessagesQueryDto, {
+      limit: 201,
+      skip: 0,
+    });
+    const errors = await validate(dto);
+
+    expect(errors.length).toBeGreaterThan(0);
+    expect(errors.some((error) => error.property === "limit")).toBe(true);
+  });
+
+  it("should reject negative skip", async () => {
+    const dto = plainToInstance(GetMessagesQueryDto, {
+      limit: 50,
+      skip: -1,
+    });
+    const errors = await validate(dto);
+
+    expect(errors.length).toBeGreaterThan(0);
+    expect(errors.some((error) => error.property === "skip")).toBe(true);
+  });
+});

apps/orchestrator/src/api/agents/dto/get-messages-query.dto.ts

@@ -0,0 +1,17 @@
+import { Type } from "class-transformer";
+import { IsInt, IsOptional, Max, Min } from "class-validator";
+
+export class GetMessagesQueryDto {
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(1)
+  @Max(200)
+  limit = 50;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(0)
+  skip = 0;
+}

apps/orchestrator/src/prisma/prisma.module.ts

@@ -0,0 +1,9 @@
+import { Global, Module } from "@nestjs/common";
+import { PrismaService } from "./prisma.service";
+
+@Global()
+@Module({
+  providers: [PrismaService],
+  exports: [PrismaService],
+})
+export class PrismaModule {}

apps/orchestrator/src/prisma/prisma.service.ts

@@ -0,0 +1,26 @@
+import { Injectable, Logger, OnModuleDestroy, OnModuleInit } from "@nestjs/common";
+import { PrismaClient } from "@prisma/client";
+
+/**
+ * Lightweight Prisma service for orchestrator ingestion persistence.
+ */
+@Injectable()
+export class PrismaService extends PrismaClient implements OnModuleInit, OnModuleDestroy {
+  private readonly logger = new Logger(PrismaService.name);
+
+  constructor() {
+    super({
+      log: process.env.NODE_ENV === "development" ? ["warn", "error"] : ["error"],
+    });
+  }
+
+  async onModuleInit(): Promise<void> {
+    await this.$connect();
+    this.logger.log("Database connection established");
+  }
+
+  async onModuleDestroy(): Promise<void> {
+    await this.$disconnect();
+    this.logger.log("Database connection closed");
+  }
+}

apps/orchestrator/src/spawner/agent-lifecycle.service.ts

@@ -1,6 +1,7 @@
-import { Injectable, Logger, Inject, forwardRef } from "@nestjs/common";
+import { Injectable, Logger, Inject, Optional, forwardRef } from "@nestjs/common";
 import { ValkeyService } from "../valkey/valkey.service";
 import { AgentSpawnerService } from "./agent-spawner.service";
+import { AgentIngestionService } from "../agent-ingestion/agent-ingestion.service";
 import type { AgentState, AgentStatus, AgentEvent } from "../valkey/types";
 import { isValidAgentTransition } from "../valkey/types/state.types";
 
@@ -32,7 +33,8 @@ export class AgentLifecycleService {
   constructor(
     private readonly valkeyService: ValkeyService,
     @Inject(forwardRef(() => AgentSpawnerService))
-    private readonly spawnerService: AgentSpawnerService
+    private readonly spawnerService: AgentSpawnerService,
+    @Optional() private readonly agentIngestionService?: AgentIngestionService
   ) {
     this.logger.log("AgentLifecycleService initialized");
   }
@@ -55,6 +57,25 @@ export class AgentLifecycleService {
     return createdState;
   }
 
+  private async recordLifecycleIngestion(
+    agentId: string,
+    event: "started" | "completed" | "failed" | "killed",
+    record: (ingestionService: AgentIngestionService) => Promise<void>
+  ): Promise<void> {
+    if (!this.agentIngestionService) {
+      return;
+    }
+
+    try {
+      await record(this.agentIngestionService);
+    } catch (error: unknown) {
+      const errorMessage = error instanceof Error ? error.message : String(error);
+      this.logger.error(
+        `Failed to record agent ${event} ingestion for ${agentId}: ${errorMessage}`
+      );
+    }
+  }
+
   /**
    * Acquire a per-agent mutex to serialize state transitions.
    * Uses promise chaining: each caller chains onto the previous lock,
@@ -118,6 +139,10 @@ export class AgentLifecycleService {
       // Emit event
       await this.publishStateChangeEvent("agent.running", updatedState);
 
+      await this.recordLifecycleIngestion(agentId, "started", (ingestionService) =>
+        ingestionService.recordAgentStarted(agentId)
+      );
+
       this.logger.log(`Agent ${agentId} transitioned to running`);
       return updatedState;
     });
@@ -155,6 +180,10 @@ export class AgentLifecycleService {
       // Emit event
       await this.publishStateChangeEvent("agent.completed", updatedState);
 
+      await this.recordLifecycleIngestion(agentId, "completed", (ingestionService) =>
+        ingestionService.recordAgentCompleted(agentId)
+      );
+
       // Schedule session cleanup
       this.spawnerService.scheduleSessionCleanup(agentId);
 
@@ -192,6 +221,10 @@ export class AgentLifecycleService {
       // Emit event
       await this.publishStateChangeEvent("agent.failed", updatedState, error);
 
+      await this.recordLifecycleIngestion(agentId, "failed", (ingestionService) =>
+        ingestionService.recordAgentFailed(agentId, error)
+      );
+
       // Schedule session cleanup
       this.spawnerService.scheduleSessionCleanup(agentId);
 
@@ -228,6 +261,10 @@ export class AgentLifecycleService {
       // Emit event
       await this.publishStateChangeEvent("agent.killed", updatedState);
 
+      await this.recordLifecycleIngestion(agentId, "killed", (ingestionService) =>
+        ingestionService.recordAgentKilled(agentId)
+      );
+
       // Schedule session cleanup
       this.spawnerService.scheduleSessionCleanup(agentId);
 

apps/orchestrator/src/spawner/agent-spawner.service.ts

@@ -1,4 +1,11 @@
-import { Injectable, Logger, HttpException, HttpStatus, OnModuleDestroy } from "@nestjs/common";
+import {
+  Injectable,
+  Logger,
+  HttpException,
+  HttpStatus,
+  OnModuleDestroy,
+  Optional,
+} from "@nestjs/common";
 import { ConfigService } from "@nestjs/config";
 import Anthropic from "@anthropic-ai/sdk";
 import { randomUUID } from "crypto";
@@ -8,6 +15,7 @@ import {
   AgentSession,
   AgentType,
 } from "./types/agent-spawner.types";
+import { AgentIngestionService } from "../agent-ingestion/agent-ingestion.service";
 
 /**
  * Default delay in milliseconds before cleaning up sessions after terminal states
@@ -30,7 +38,10 @@ export class AgentSpawnerService implements OnModuleDestroy {
   private readonly sessionCleanupDelayMs: number;
   private readonly cleanupTimers = new Map<string, NodeJS.Timeout>();
 
-  constructor(private readonly configService: ConfigService) {
+  constructor(
+    private readonly configService: ConfigService,
+    @Optional() private readonly agentIngestionService?: AgentIngestionService
+  ) {
     const configuredProvider = this.configService.get<string>("orchestrator.aiProvider");
     this.aiProvider = this.normalizeAiProvider(configuredProvider);
 
@@ -98,6 +109,19 @@ export class AgentSpawnerService implements OnModuleDestroy {
     this.cleanupTimers.clear();
   }
 
+  private recordSpawnedAgentIngestion(agentId: string, request: SpawnAgentRequest): void {
+    if (!this.agentIngestionService) {
+      return;
+    }
+
+    void this.agentIngestionService
+      .recordAgentSpawned(agentId, undefined, undefined, request.taskId, request.agentType)
+      .catch((error: unknown) => {
+        const errorMessage = error instanceof Error ? error.message : String(error);
+        this.logger.error(`Failed to record spawned ingestion for ${agentId}: ${errorMessage}`);
+      });
+  }
+
   /**
    * Spawn a new agent with the given configuration
    * @param request Agent spawn request
@@ -130,6 +154,8 @@ export class AgentSpawnerService implements OnModuleDestroy {
     // Store session
     this.sessions.set(agentId, session);
 
+    this.recordSpawnedAgentIngestion(agentId, request);
+
     this.logger.log(`Agent spawned successfully: ${agentId} (type: ${request.agentType})`);
 
     // NOTE: Actual Claude SDK integration will be implemented in next iteration (see issue #TBD)

apps/orchestrator/src/spawner/spawner.module.ts

@@ -3,9 +3,10 @@ import { AgentSpawnerService } from "./agent-spawner.service";
 import { AgentLifecycleService } from "./agent-lifecycle.service";
 import { DockerSandboxService } from "./docker-sandbox.service";
 import { ValkeyModule } from "../valkey/valkey.module";
+import { AgentIngestionModule } from "../agent-ingestion/agent-ingestion.module";
 
 @Module({
-  imports: [ValkeyModule],
+  imports: [ValkeyModule, AgentIngestionModule],
   providers: [AgentSpawnerService, AgentLifecycleService, DockerSandboxService],
   exports: [AgentSpawnerService, AgentLifecycleService, DockerSandboxService],
 })

apps/orchestrator/vitest.config.ts

@@ -4,6 +4,7 @@ export default defineConfig({
   test: {
     globals: true,
     environment: "node",
+    setupFiles: ["reflect-metadata"],
     exclude: ["**/node_modules/**", "**/dist/**", "**/tests/integration/**"],
     include: ["src/**/*.spec.ts", "src/**/*.test.ts"],
     coverage: {

docs/TASKS.md

@@ -121,8 +121,8 @@ Target version: `v0.0.23`
 
 | id          | status      | milestone     | description                                                                                      | issue | repo         | branch                 | depends_on                                      | blocks                                                      | agent | started_at | completed_at | estimate | used | notes                                         |
 | ----------- | ----------- | ------------- | ------------------------------------------------------------------------------------------------ | ----- | ------------ | ---------------------- | ----------------------------------------------- | ----------------------------------------------------------- | ----- | ---------- | ------------ | -------- | ---- | --------------------------------------------- |
-| MS23-P0-001 | not-started | p0-foundation | Prisma schema: AgentConversationMessage, AgentSessionTree, AgentProviderConfig, OperatorAuditLog | #693  | api          | feat/ms23-p0-schema    | —                                               | MS23-P0-002,MS23-P0-003,MS23-P0-004,MS23-P0-005,MS23-P1-001 | —     | —          | —            | 15K      | —    | taskSource field per mosaic-queue note in PRD |
+| MS23-P0-001 | done        | p0-foundation | Prisma schema: AgentConversationMessage, AgentSessionTree, AgentProviderConfig, OperatorAuditLog | #693  | api          | feat/ms23-p0-schema    | —                                               | MS23-P0-002,MS23-P0-003,MS23-P0-004,MS23-P0-005,MS23-P1-001 | codex | 2026-03-06 | 2026-03-06   | 15K      | —    | taskSource field per mosaic-queue note in PRD |
-| MS23-P0-002 | not-started | p0-foundation | Agent message ingestion: wire spawner/lifecycle to write messages to DB                          | #693  | orchestrator | feat/ms23-p0-ingestion | MS23-P0-001                                     | MS23-P0-006                                                 | —     | —          | —            | 20K      | —    |                                               |
+| MS23-P0-002 | in-progress | p0-foundation | Agent message ingestion: wire spawner/lifecycle to write messages to DB                          | #693  | orchestrator | feat/ms23-p0-ingestion | MS23-P0-001                                     | MS23-P0-006                                                 | codex | 2026-03-06 | —            | 20K      | —    |                                               |
 | MS23-P0-003 | not-started | p0-foundation | Orchestrator API: GET /agents/:id/messages + SSE stream endpoint                                 | #693  | orchestrator | feat/ms23-p0-stream    | MS23-P0-001                                     | MS23-P0-006                                                 | —     | —          | —            | 20K      | —    |                                               |
 | MS23-P0-004 | not-started | p0-foundation | Orchestrator API: POST /agents/:id/inject + pause/resume endpoints                               | #693  | orchestrator | feat/ms23-p0-controls  | MS23-P0-001                                     | MS23-P0-006                                                 | —     | —          | —            | 15K      | —    |                                               |
 | MS23-P0-005 | not-started | p0-foundation | Subagent tree: parentAgentId on spawn registration + GET /agents/tree                            | #693  | orchestrator | feat/ms23-p0-tree      | MS23-P0-001                                     | MS23-P0-006                                                 | —     | —          | —            | 15K      | —    |                                               |

pnpm-lock.yaml

@@ -337,6 +337,9 @@ importers:
       '@nestjs/throttler':
         specifier: ^6.5.0
         version: 6.5.0(@nestjs/common@11.1.12(class-transformer@0.5.1)(class-validator@0.14.3)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.12)(reflect-metadata@0.2.2)
+      '@prisma/client':
+        specifier: ^6.19.2
+        version: 6.19.2(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))(typescript@5.9.3)
       bullmq:
         specifier: ^5.67.2
         version: 5.67.2
@@ -386,6 +389,9 @@ importers:
       '@vitest/coverage-v8':
         specifier: ^4.0.18
         version: 4.0.18(vitest@4.0.18(@opentelemetry/api@1.9.0)(@types/node@22.19.7)(jiti@2.6.1)(jsdom@26.1.0)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2))
+      prisma:
+        specifier: ^6.19.2
+        version: 6.19.2(magicast@0.3.5)(typescript@5.9.3)
       ts-node:
         specifier: ^10.9.2
         version: 10.9.2(@swc/core@1.15.11)(@types/node@22.19.7)(typescript@5.9.3)
@@ -8005,7 +8011,7 @@ snapshots:
       chalk: 5.6.2
       commander: 12.1.0
       dotenv: 17.2.4
-      drizzle-orm: 0.41.0(@opentelemetry/api@1.9.0)(@prisma/client@5.22.0(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3)))(@types/pg@8.16.0)(better-sqlite3@12.6.2)(kysely@0.28.10)(pg@8.17.2)(postgres@3.4.8)(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))
+      drizzle-orm: 0.41.0(@opentelemetry/api@1.9.0)(@prisma/client@6.19.2(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))(typescript@5.9.3))(@types/pg@8.16.0)(better-sqlite3@12.6.2)(kysely@0.28.10)(pg@8.17.2)(postgres@3.4.8)(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))
       open: 10.2.0
       pg: 8.17.2
       prettier: 3.8.1
@@ -11345,7 +11351,7 @@ snapshots:
     optionalDependencies:
       '@prisma/client': 5.22.0(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))
       better-sqlite3: 12.6.2
-      drizzle-orm: 0.41.0(@opentelemetry/api@1.9.0)(@prisma/client@5.22.0(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3)))(@types/pg@8.16.0)(better-sqlite3@12.6.2)(kysely@0.28.10)(pg@8.17.2)(postgres@3.4.8)(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))
+      drizzle-orm: 0.41.0(@opentelemetry/api@1.9.0)(@prisma/client@6.19.2(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))(typescript@5.9.3))(@types/pg@8.16.0)(better-sqlite3@12.6.2)(kysely@0.28.10)(pg@8.17.2)(postgres@3.4.8)(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))
       next: 16.1.6(@babel/core@7.28.6)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
       pg: 8.17.2
       prisma: 6.19.2(magicast@0.3.5)(typescript@5.9.3)
@@ -11370,7 +11376,7 @@ snapshots:
     optionalDependencies:
       '@prisma/client': 6.19.2(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))(typescript@5.9.3)
       better-sqlite3: 12.6.2
-      drizzle-orm: 0.41.0(@opentelemetry/api@1.9.0)(@prisma/client@5.22.0(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3)))(@types/pg@8.16.0)(better-sqlite3@12.6.2)(kysely@0.28.10)(pg@8.17.2)(postgres@3.4.8)(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))
+      drizzle-orm: 0.41.0(@opentelemetry/api@1.9.0)(@prisma/client@6.19.2(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))(typescript@5.9.3))(@types/pg@8.16.0)(better-sqlite3@12.6.2)(kysely@0.28.10)(pg@8.17.2)(postgres@3.4.8)(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))
       next: 16.1.6(@babel/core@7.28.6)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
       pg: 8.17.2
       prisma: 6.19.2(magicast@0.3.5)(typescript@5.9.3)
@@ -12194,17 +12200,6 @@ snapshots:
 
   dotenv@17.2.4: {}
 
-  drizzle-orm@0.41.0(@opentelemetry/api@1.9.0)(@prisma/client@5.22.0(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3)))(@types/pg@8.16.0)(better-sqlite3@12.6.2)(kysely@0.28.10)(pg@8.17.2)(postgres@3.4.8)(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3)):
-    optionalDependencies:
-      '@opentelemetry/api': 1.9.0
-      '@prisma/client': 5.22.0(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))
-      '@types/pg': 8.16.0
-      better-sqlite3: 12.6.2
-      kysely: 0.28.10
-      pg: 8.17.2
-      postgres: 3.4.8
-      prisma: 6.19.2(magicast@0.3.5)(typescript@5.9.3)
-
   drizzle-orm@0.41.0(@opentelemetry/api@1.9.0)(@prisma/client@6.19.2(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3))(typescript@5.9.3))(@types/pg@8.16.0)(better-sqlite3@12.6.2)(kysely@0.28.10)(pg@8.17.2)(postgres@3.4.8)(prisma@6.19.2(magicast@0.3.5)(typescript@5.9.3)):
     optionalDependencies:
       '@opentelemetry/api': 1.9.0
@@ -12215,7 +12210,6 @@ snapshots:
       pg: 8.17.2
       postgres: 3.4.8
       prisma: 6.19.2(magicast@0.3.5)(typescript@5.9.3)
-    optional: true
 
   dunder-proto@1.0.1:
     dependencies: