fix(#411): complete 2026-02-17 remediation sweep

Apply RLS context at task service boundaries, harden orchestrator/web integration and session startup behavior, re-enable targeted frontend tests, and lock vulnerable transitive dependencies so QA and security gates pass cleanly.

apps/api/src/prisma/prisma.service.spec.ts

@@ -156,7 +156,7 @@ describe("PrismaService", () => {
     it("should set workspace context variables in transaction", async () => {
       const userId = "user-123";
       const workspaceId = "workspace-456";
-      const executeRawSpy = vi.spyOn(service, "$executeRaw").mockResolvedValue(0);
+      vi.spyOn(service, "$executeRaw").mockResolvedValue(0);
 
       // Mock $transaction to execute the callback with a mock tx client
       const mockTx = {
@@ -195,7 +195,6 @@ describe("PrismaService", () => {
       };
 
       // Mock both methods at the same time to avoid spy issues
-      const originalSetContext = service.setWorkspaceContext.bind(service);
       const setContextCalls: [string, string, unknown][] = [];
       service.setWorkspaceContext = vi.fn().mockImplementation((uid, wid, tx) => {
         setContextCalls.push([uid, wid, tx]);

apps/api/src/prisma/prisma.service.ts

@@ -3,6 +3,7 @@ import { PrismaClient } from "@prisma/client";
 import { VaultService } from "../vault/vault.service";
 import { createAccountEncryptionExtension } from "./account-encryption.extension";
 import { createLlmEncryptionExtension } from "./llm-encryption.extension";
+import { getRlsClient } from "./rls-context.provider";
 
 /**
  * Prisma service that manages database connection lifecycle
@@ -177,6 +178,13 @@ export class PrismaService extends PrismaClient implements OnModuleInit, OnModul
     workspaceId: string,
     fn: (tx: PrismaClient) => Promise<T>
   ): Promise<T> {
+    const rlsClient = getRlsClient();
+
+    if (rlsClient) {
+      await this.setWorkspaceContext(userId, workspaceId, rlsClient as unknown as PrismaClient);
+      return fn(rlsClient as unknown as PrismaClient);
+    }
+
     return this.$transaction(async (tx) => {
       await this.setWorkspaceContext(userId, workspaceId, tx as PrismaClient);
       return fn(tx as PrismaClient);