Consolidate audit-fixes branch: webhooks, integrations, and deploy hardening

Batch commit of the pending working tree on security/audit-fixes-2026-07.
Major areas:
- Outbound webhooks / Zapier: schema + signed delivery with retries, public
  v1 API (REST-hook subscribe/unsubscribe), settings UI, cron drain.
- Deploy hardening: email via SMTP2GO (Resend fully removed), verified DB TLS
  (DATABASE_SSL=require + DATABASE_CA), storage fails loud in production when
  Spaces is unconfigured instead of silently using ephemeral disk.
- Integrations & features (concurrent work): accounting (QuickBooks/Xero),
  e-signature (DocuSign/Dropbox Sign), PayPal, geocoding/maps, onboarding,
  expanded legal pages.
- DB migrations 0006–0009.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/api/ai/recommendations/[id]/route.ts

@@ -3,12 +3,17 @@ import { and, eq } from "drizzle-orm"
 import { db } from "@/lib/db"
 import { ai_recommendations } from "@/lib/db/schema"
 import { getSessionUser } from "@/lib/session"
+import { getAccountContext } from "@/lib/account"
 import { logActivity } from "@/lib/activity"
 
 export async function PATCH(request: Request, { params }: { params: Promise<{ id: string }> }) {
   const user = await getSessionUser()
   if (!user) return NextResponse.json({ error: "Unauthorized" }, { status: 401 })
 
+  const ctx = await getAccountContext(user.id)
+  if (!ctx.canWrite) return NextResponse.json({ error: "Forbidden" }, { status: 403 })
+  const ownerId = ctx.ownerId
+
   const { id } = await params
   const { status } = await request.json() as { status: "approved" | "dismissed" }
 
@@ -23,13 +28,13 @@ export async function PATCH(request: Request, { params }: { params: Promise<{ id
   const [data] = await db
     .update(ai_recommendations)
     .set(updateData)
-    .where(and(eq(ai_recommendations.id, id), eq(ai_recommendations.user_id, user.id)))
+    .where(and(eq(ai_recommendations.id, id), eq(ai_recommendations.user_id, ownerId)))
     .returning()
 
   if (!data) return NextResponse.json({ error: "Not found" }, { status: 404 })
 
   await logActivity({
-    userId: user.id,
+    userId: ownerId,
     type: "ai_action",
     title: status === "approved"
       ? `AI recommendation approved: ${data.title}`

app/api/ai/recommendations/route.ts

@@ -12,6 +12,7 @@ import {
   expenses,
 } from "@/lib/db/schema"
 import { getSessionUser } from "@/lib/session"
+import { getEffectiveOwnerId, getAccountContext } from "@/lib/account"
 import { openai } from "@/lib/ai/client"
 import { logActivity } from "@/lib/activity"
 import { enforceAiQuota } from "@/lib/ai/usage"
@@ -21,10 +22,12 @@ export async function GET() {
   const user = await getSessionUser()
   if (!user) return NextResponse.json({ error: "Unauthorized" }, { status: 401 })
 
+  const ownerId = await getEffectiveOwnerId(user.id)
+
   const data = await db
     .select()
     .from(ai_recommendations)
-    .where(eq(ai_recommendations.user_id, user.id))
+    .where(eq(ai_recommendations.user_id, ownerId))
     .orderBy(desc(ai_recommendations.created_at))
 
   return NextResponse.json(data)
@@ -37,6 +40,10 @@ export async function POST() {
   const quota = await enforceAiQuota(user.id, "ai_recommendations")
   if (!quota.ok) return NextResponse.json({ error: quota.error }, { status: quota.status })
 
+  const ctx = await getAccountContext(user.id)
+  if (!ctx.canWrite) return NextResponse.json({ error: "Forbidden" }, { status: 403 })
+  const ownerId = ctx.ownerId
+
   // Fetch portfolio data
   const now = new Date()
   const threeMonthsAgo = new Date(now)
@@ -47,7 +54,7 @@ export async function POST() {
     db
       .select({ id: properties.id, name: properties.name, address_line1: properties.address_line1, city: properties.city })
       .from(properties)
-      .where(eq(properties.user_id, user.id)),
+      .where(eq(properties.user_id, ownerId)),
     db
       .select({
         id: units.id,
@@ -57,7 +64,7 @@ export async function POST() {
         status: units.status,
       })
       .from(units)
-      .where(eq(units.user_id, user.id)),
+      .where(eq(units.user_id, ownerId)),
     db
       .select({
         id: tenants.id,
@@ -69,7 +76,7 @@ export async function POST() {
         move_in_date: tenants.move_in_date,
       })
       .from(tenants)
-      .where(and(eq(tenants.user_id, user.id), eq(tenants.status, "active"))),
+      .where(and(eq(tenants.user_id, ownerId), eq(tenants.status, "active"))),
     db
       .select({
         id: rent_payments.id,
@@ -80,7 +87,7 @@ export async function POST() {
         property_id: rent_payments.property_id,
       })
       .from(rent_payments)
-      .where(and(eq(rent_payments.user_id, user.id), gte(rent_payments.due_date, threeMonthsAgoDate))),
+      .where(and(eq(rent_payments.user_id, ownerId), gte(rent_payments.due_date, threeMonthsAgoDate))),
     db
       .select({
         id: maintenance_requests.id,
@@ -91,7 +98,7 @@ export async function POST() {
         created_at: maintenance_requests.created_at,
       })
       .from(maintenance_requests)
-      .where(and(eq(maintenance_requests.user_id, user.id), inArray(maintenance_requests.status, ["open", "in_progress"]))),
+      .where(and(eq(maintenance_requests.user_id, ownerId), inArray(maintenance_requests.status, ["open", "in_progress"]))),
     db
       .select({
         id: leases.id,
@@ -102,7 +109,7 @@ export async function POST() {
         status: leases.status,
       })
       .from(leases)
-      .where(and(eq(leases.user_id, user.id), eq(leases.status, "active"))),
+      .where(and(eq(leases.user_id, ownerId), eq(leases.status, "active"))),
     db
       .select({
         amount: expenses.amount,
@@ -111,7 +118,7 @@ export async function POST() {
         expense_date: expenses.expense_date,
       })
       .from(expenses)
-      .where(and(eq(expenses.user_id, user.id), gte(expenses.expense_date, threeMonthsAgoDate))),
+      .where(and(eq(expenses.user_id, ownerId), gte(expenses.expense_date, threeMonthsAgoDate))),
   ])
 
   const totalRevenue = payments.filter((p) => p.status === "paid").reduce((s, p) => s + Number(p.amount), 0)
@@ -175,10 +182,10 @@ Only return valid JSON, no other text.`
   // Delete old pending recommendations and insert new ones
   await db
     .delete(ai_recommendations)
-    .where(and(eq(ai_recommendations.user_id, user.id), eq(ai_recommendations.status, "pending")))
+    .where(and(eq(ai_recommendations.user_id, ownerId), eq(ai_recommendations.status, "pending")))
 
   const toInsert = recommendations.map((r: any) => ({
-    user_id: user.id,
+    user_id: ownerId,
     type: r.type ?? "opportunity",
     title: r.title,
     description: r.description,
@@ -192,7 +199,7 @@ Only return valid JSON, no other text.`
   const inserted = toInsert.length > 0 ? await db.insert(ai_recommendations).values(toInsert).returning() : []
 
   await logActivity({
-    userId: user.id,
+    userId: ownerId,
     type: "ai_action",
     title: `AI generated ${inserted.length} new recommendations`,
     entityType: "ai_recommendations",