fix(audit-tier-1): timeouts, lifecycle, per-port Documenso, FK constraints

Closes the second wave of HIGH-priority audit findings:

* fetchWithTimeout helper (new src/lib/fetch-with-timeout.ts) wraps
  Documenso, OCR, currency, Umami, IMAP, etc. — a hung upstream can
  no longer pin a worker concurrency slot indefinitely.  OpenAI client
  passes timeout: 30_000.  ImapFlow gets socket / greeting / connection
  timeouts.
* SIGTERM / SIGINT handler in src/server.ts drains in-flight HTTP,
  closes Socket.io, and disconnects Redis before exit; compose
  stop_grace_period bumped to 30s.  Adds closeSocketServer() helper.
* env.ts gains zod-validated PORT and MULTI_NODE_DEPLOYMENT, and
  filesystem.ts now reads from env (a typo can no longer silently
  disable the multi-node guard).
* Per-port Documenso template + recipient IDs land in system_settings
  with env fallback (PortDocumensoConfig now exposes eoiTemplateId,
  clientRecipientId, developerRecipientId, approvalRecipientId).
  document-templates.ts uses the per-port config and threads portId
  into documensoGenerateFromTemplate().
* Migration 0042 wires the eleven HIGH-tier missing FK constraints
  (documents/files/interests/reminders/berth_waiting_list/
  form_submissions) plus polymorphic CHECK round 2
  (yacht_ownership_history.owner_type, document_sends.document_kind),
  invoices.billing_entity_id NOT EMPTY, and clients.merged_into self-FK.
  Drizzle schema columns updated to .references(...) where possible
  so the misleading "FK wired in relations.ts" comments are gone.

Test status: 1168/1168 vitest, tsc clean.

Refs: docs/audit-comprehensive-2026-05-05.md HIGH §§5,6,7,8,9,10 +
MED §§14,15,16,18.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/lib/db/migrations/0042_missing_fk_constraints.sql

@@ -0,0 +1,124 @@
+-- Audit-final v3 — wire the FK columns currently exposed via Drizzle
+-- relations() but missing actual Postgres constraints. relations() only
+-- configures relational query JOINs; it does NOT install constraints, so
+-- a service that writes interest_id='nonexistent' faces no DB rejection
+-- and downstream null-tolerant joins silently misbehave.
+--
+-- All adds are NOT VALID-friendly (we use IF NOT EXISTS via DO blocks);
+-- the migration is idempotent so re-running it is safe.
+--
+-- Cascade rule:
+--   nullable column → ON DELETE SET NULL    (orphan tolerance)
+--   notNull column  → ON DELETE RESTRICT    (force callers to clean up)
+-- All audit-listed columns happen to be nullable so they get SET NULL.
+--
+-- Refs: docs/audit-comprehensive-2026-05-05.md HIGH §10 (auditor-C3 Issue 1).
+
+-- documents
+DO $$ BEGIN
+  ALTER TABLE documents
+    ADD CONSTRAINT documents_interest_id_fkey
+      FOREIGN KEY (interest_id) REFERENCES interests(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  ALTER TABLE documents
+    ADD CONSTRAINT documents_yacht_id_fkey
+      FOREIGN KEY (yacht_id) REFERENCES yachts(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  ALTER TABLE documents
+    ADD CONSTRAINT documents_company_id_fkey
+      FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  ALTER TABLE documents
+    ADD CONSTRAINT documents_reservation_id_fkey
+      FOREIGN KEY (reservation_id) REFERENCES berth_reservations(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- files
+DO $$ BEGIN
+  ALTER TABLE files
+    ADD CONSTRAINT files_yacht_id_fkey
+      FOREIGN KEY (yacht_id) REFERENCES yachts(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  ALTER TABLE files
+    ADD CONSTRAINT files_company_id_fkey
+      FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- interests (yacht_id is wired via relations only)
+DO $$ BEGIN
+  ALTER TABLE interests
+    ADD CONSTRAINT interests_yacht_id_fkey
+      FOREIGN KEY (yacht_id) REFERENCES yachts(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- reminders
+DO $$ BEGIN
+  ALTER TABLE reminders
+    ADD CONSTRAINT reminders_interest_id_fkey
+      FOREIGN KEY (interest_id) REFERENCES interests(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  ALTER TABLE reminders
+    ADD CONSTRAINT reminders_berth_id_fkey
+      FOREIGN KEY (berth_id) REFERENCES berths(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- berth_waiting_list
+DO $$ BEGIN
+  ALTER TABLE berth_waiting_list
+    ADD CONSTRAINT berth_waiting_list_yacht_id_fkey
+      FOREIGN KEY (yacht_id) REFERENCES yachts(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- form_submissions
+DO $$ BEGIN
+  ALTER TABLE form_submissions
+    ADD CONSTRAINT form_submissions_interest_id_fkey
+      FOREIGN KEY (interest_id) REFERENCES interests(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- ─── Polymorphic CHECK round 2 ──────────────────────────────────────────────
+-- 0036 covered yachts.current_owner_type and invoices.billing_entity_type.
+-- These two discriminators were missed and remain free-text.
+
+DO $$ BEGIN
+  ALTER TABLE yacht_ownership_history
+    ADD CONSTRAINT yacht_ownership_history_owner_type_chk
+      CHECK (owner_type IN ('client', 'company'));
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  ALTER TABLE document_sends
+    ADD CONSTRAINT document_sends_document_kind_chk
+      CHECK (document_kind IN ('berth_pdf', 'brochure'));
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- ─── invoices.billing_entity_id sanity check ───────────────────────────────
+-- The schema declared notNull() with default('') which combined with the
+-- 0036 type CHECK lets a row insert with billing_entity_type='client' and
+-- billing_entity_id='' — the polymorphic resolver looks up the empty
+-- string and returns null with no DB-level signal.
+
+DO $$ BEGIN
+  ALTER TABLE invoices
+    ADD CONSTRAINT invoices_billing_entity_id_nonempty_chk
+      CHECK (billing_entity_id <> '');
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- ─── clients.merged_into_client_id self-FK ─────────────────────────────────
+-- Already nullable; populated when a client is soft-merged into another.
+
+DO $$ BEGIN
+  ALTER TABLE clients
+    ADD CONSTRAINT clients_merged_into_client_id_fkey
+      FOREIGN KEY (merged_into_client_id) REFERENCES clients(id) ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;

src/lib/db/migrations/meta/_journal.json

@@ -295,6 +295,13 @@
       "when": 1778400000000,
       "tag": "0041_role_permissions_edit_keys",
       "breakpoints": true
+    },
+    {
+      "idx": 42,
+      "version": "7",
+      "when": 1778500000000,
+      "tag": "0042_missing_fk_constraints",
+      "breakpoints": true
     }
   ]
 }

src/lib/db/schema/berths.ts

@@ -13,6 +13,7 @@ import {
 } from 'drizzle-orm/pg-core';
 import { ports } from './ports';
 import { clients } from './clients';
+import { yachts } from './yachts';
 
 export const berths = pgTable(
   'berths',
@@ -158,7 +159,7 @@ export const berthWaitingList = pgTable(
     clientId: text('client_id')
       .notNull()
       .references(() => clients.id, { onDelete: 'cascade' }),
-    yachtId: text('yacht_id'), // FK added via relation; nullable (waiting for this yacht)
+    yachtId: text('yacht_id').references(() => yachts.id, { onDelete: 'set null' }),
     position: integer('position').notNull(),
     priority: text('priority').notNull().default('normal'), // normal, high
     notifyPref: text('notify_pref').default('email'), // email, in_app, both

src/lib/db/schema/clients.ts

@@ -34,7 +34,10 @@ export const clients = pgTable(
     /** When this client was merged into another (the "loser" of a dedup
      *  merge), this points at the surviving client. Used by the
      *  /admin/duplicates review queue to redirect any stragglers, and by
-     *  the unmerge flow to restore. Null for live clients. */
+     *  the unmerge flow to restore. Null for live clients. The Postgres
+     *  self-FK is installed via migration 0042; Drizzle's table builder
+     *  doesn't accept self-references in the column factory so the
+     *  constraint isn't reflected here in `.references(...)`. */
     mergedIntoClientId: text('merged_into_client_id'),
     createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
     updatedAt: timestamp('updated_at', { withTimezone: true }).notNull().defaultNow(),

src/lib/db/schema/documents.ts

@@ -12,6 +12,10 @@ import {
 import { sql } from 'drizzle-orm';
 import { ports } from './ports';
 import { clients } from './clients';
+import { yachts } from './yachts';
+import { companies } from './companies';
+import { interests } from './interests';
+import { berthReservations } from './reservations';
 
 export const files = pgTable(
   'files',
@@ -23,8 +27,8 @@ export const files = pgTable(
       .notNull()
       .references(() => ports.id),
     clientId: text('client_id').references(() => clients.id),
-    yachtId: text('yacht_id'), // FK wired in relations.ts
-    companyId: text('company_id'), // FK wired in relations.ts
+    yachtId: text('yacht_id').references(() => yachts.id, { onDelete: 'set null' }),
+    companyId: text('company_id').references(() => companies.id, { onDelete: 'set null' }),
     filename: text('filename').notNull(),
     originalName: text('original_name').notNull(),
     mimeType: text('mime_type'),
@@ -52,11 +56,13 @@ export const documents = pgTable(
     portId: text('port_id')
       .notNull()
       .references(() => ports.id),
-    interestId: text('interest_id'), // references interests.id
+    interestId: text('interest_id').references(() => interests.id, { onDelete: 'set null' }),
     clientId: text('client_id').references(() => clients.id),
-    yachtId: text('yacht_id'), // FK wired in relations.ts
-    companyId: text('company_id'), // FK wired in relations.ts
-    reservationId: text('reservation_id'), // FK wired in relations.ts
+    yachtId: text('yacht_id').references(() => yachts.id, { onDelete: 'set null' }),
+    companyId: text('company_id').references(() => companies.id, { onDelete: 'set null' }),
+    reservationId: text('reservation_id').references(() => berthReservations.id, {
+      onDelete: 'set null',
+    }),
     documentType: text('document_type').notNull(), // eoi, contract, nda, reservation_agreement, other
     title: text('title').notNull(),
     status: text('status').notNull().default('draft'), // draft, sent, partially_signed, completed, expired, cancelled
@@ -220,7 +226,7 @@ export const formSubmissions = pgTable(
       .notNull()
       .references(() => formTemplates.id),
     clientId: text('client_id').references(() => clients.id),
-    interestId: text('interest_id'), // references interests.id
+    interestId: text('interest_id').references(() => interests.id, { onDelete: 'set null' }),
     token: text('token').notNull().unique(),
     prefilledData: jsonb('prefilled_data').default({}),
     submittedData: jsonb('submitted_data'),

src/lib/db/schema/interests.ts

@@ -13,6 +13,7 @@ import { sql } from 'drizzle-orm';
 import { ports } from './ports';
 import { clients } from './clients';
 import { berths } from './berths';
+import { yachts } from './yachts';
 
 // Pipeline stages: open, details_sent, in_communication, eoi_sent, eoi_signed, deposit_10pct, contract_sent, contract_signed, completed
 
@@ -28,7 +29,7 @@ export const interests = pgTable(
     clientId: text('client_id')
       .notNull()
       .references(() => clients.id),
-    yachtId: text('yacht_id'), // FK added via relation; nullable until pipeline leaves 'open'
+    yachtId: text('yacht_id').references(() => yachts.id, { onDelete: 'set null' }),
     pipelineStage: text('pipeline_stage').notNull().default('open'),
     leadCategory: text('lead_category'), // general_interest, specific_qualified, hot_lead
     source: text('source'), // website, manual, referral, broker

src/lib/db/schema/operations.ts

@@ -1,21 +1,17 @@
-import {
-  pgTable,
-  text,
-  boolean,
-  timestamp,
-  jsonb,
-  index,
-  uniqueIndex,
-} from 'drizzle-orm/pg-core';
+import { pgTable, text, boolean, timestamp, jsonb, index, uniqueIndex } from 'drizzle-orm/pg-core';
 import { sql } from 'drizzle-orm';
 import { ports } from './ports';
 import { clients } from './clients';
 import { files } from './documents';
+import { interests } from './interests';
+import { berths } from './berths';
 
 export const reminders = pgTable(
   'reminders',
   {
-    id: text('id').primaryKey().$defaultFn(() => crypto.randomUUID()),
+    id: text('id')
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
     portId: text('port_id')
       .notNull()
       .references(() => ports.id),
@@ -27,8 +23,8 @@ export const reminders = pgTable(
     assignedTo: text('assigned_to'), // user ID
     createdBy: text('created_by').notNull(),
     clientId: text('client_id').references(() => clients.id),
-    interestId: text('interest_id'), // references interests.id
-    berthId: text('berth_id'), // references berths.id
+    interestId: text('interest_id').references(() => interests.id, { onDelete: 'set null' }),
+    berthId: text('berth_id').references(() => berths.id, { onDelete: 'set null' }),
     autoGenerated: boolean('auto_generated').notNull().default(false),
     googleCalendarEventId: text('google_calendar_event_id'),
     googleCalendarSynced: boolean('google_calendar_synced').notNull().default(false),
@@ -40,16 +36,18 @@ export const reminders = pgTable(
   (table) => [
     index('idx_reminders_port').on(table.portId),
     index('idx_reminders_assigned').on(table.assignedTo, table.status),
-    index('idx_reminders_due').on(table.portId, table.dueAt).where(
-      sql`${table.status} IN ('pending', 'snoozed')`
-    ),
+    index('idx_reminders_due')
+      .on(table.portId, table.dueAt)
+      .where(sql`${table.status} IN ('pending', 'snoozed')`),
   ],
 );
 
 export const googleCalendarTokens = pgTable(
   'google_calendar_tokens',
   {
-    id: text('id').primaryKey().$defaultFn(() => crypto.randomUUID()),
+    id: text('id')
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
     userId: text('user_id').notNull().unique(),
     accessToken: text('access_token').notNull(), // encrypted
     refreshToken: text('refresh_token').notNull(), // encrypted
@@ -67,7 +65,9 @@ export const googleCalendarTokens = pgTable(
 export const googleCalendarCache = pgTable(
   'google_calendar_cache',
   {
-    id: text('id').primaryKey().$defaultFn(() => crypto.randomUUID()),
+    id: text('id')
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
     userId: text('user_id').notNull(),
     eventId: text('event_id').notNull(), // Google Calendar event ID
     title: text('title').notNull(),
@@ -88,7 +88,9 @@ export const googleCalendarCache = pgTable(
 export const notifications = pgTable(
   'notifications',
   {
-    id: text('id').primaryKey().$defaultFn(() => crypto.randomUUID()),
+    id: text('id')
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
     portId: text('port_id')
       .notNull()
       .references(() => ports.id),
@@ -114,7 +116,9 @@ export const notifications = pgTable(
 export const scheduledReports = pgTable(
   'scheduled_reports',
   {
-    id: text('id').primaryKey().$defaultFn(() => crypto.randomUUID()),
+    id: text('id')
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
     portId: text('port_id')
       .notNull()
       .references(() => ports.id),
@@ -135,7 +139,9 @@ export const scheduledReports = pgTable(
 export const reportRecipients = pgTable(
   'report_recipients',
   {
-    id: text('id').primaryKey().$defaultFn(() => crypto.randomUUID()),
+    id: text('id')
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
     reportId: text('report_id')
       .notNull()
       .references(() => scheduledReports.id, { onDelete: 'cascade' }),
@@ -151,7 +157,9 @@ export const reportRecipients = pgTable(
 export const generatedReports = pgTable(
   'generated_reports',
   {
-    id: text('id').primaryKey().$defaultFn(() => crypto.randomUUID()),
+    id: text('id')
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
     portId: text('port_id')
       .notNull()
       .references(() => ports.id),
@@ -171,9 +179,9 @@ export const generatedReports = pgTable(
   (table) => [
     index('idx_gr_port_created').on(table.portId, table.createdAt),
     index('idx_gr_port_status').on(table.portId, table.status),
-    index('idx_gr_scheduled').on(table.scheduledReportId).where(
-      sql`${table.scheduledReportId} IS NOT NULL`
-    ),
+    index('idx_gr_scheduled')
+      .on(table.scheduledReportId)
+      .where(sql`${table.scheduledReportId} IS NOT NULL`),
   ],
 );
 

src/lib/env.ts

@@ -65,6 +65,22 @@ const envSchema = z.object({
   PUBLIC_SITE_URL: z.string().url(),
   NODE_ENV: z.enum(['development', 'production', 'test']).default('development'),
   LOG_LEVEL: z.enum(['fatal', 'error', 'warn', 'info', 'debug', 'trace']).default('info'),
+  /**
+   * HTTP listener port. zod-coerced from PORT so a typo (`PORT=foo`) hard-
+   * fails at boot rather than silently listening on an ephemeral port.
+   */
+  PORT: z.coerce.number().int().positive().default(3000),
+  /**
+   * When true, the filesystem storage backend refuses to start (per
+   * src/lib/storage/filesystem.ts:192). Reading via the zod schema means
+   * a typo on the env var hard-fails at boot rather than silently
+   * disabling the multi-node guard. Per CLAUDE.md, multi-node deploys
+   * MUST use the s3-compatible backend.
+   */
+  MULTI_NODE_DEPLOYMENT: z
+    .enum(['true', 'false'])
+    .default('false')
+    .transform((v) => v === 'true'),
 });
 
 export type Env = z.infer<typeof envSchema>;

src/lib/fetch-with-timeout.ts

@@ -0,0 +1,70 @@
+/**
+ * Fetch with a hard wall-clock timeout. Wraps `globalThis.fetch` with an
+ * AbortController so a hung upstream cannot pin a worker concurrency slot
+ * indefinitely (per docs/audit-comprehensive-2026-05-05.md HIGH §§5–6 and
+ * MED §13 — Documenso, OCR, and IMAP all needed this).
+ *
+ * - Default timeout is 30s; pass `timeoutMs` to override.
+ * - When the caller already supplies an AbortSignal via `init.signal`, both
+ *   sources can abort the request — first one to fire wins.
+ * - On timeout the rejection is a `DOMException('TimeoutError')` from
+ *   AbortController; callers can introspect via `err.name === 'AbortError'`
+ *   plus the timeout flag we attach.
+ */
+export interface FetchWithTimeoutOptions extends RequestInit {
+  /** Hard timeout in ms. Default 30_000. */
+  timeoutMs?: number;
+}
+
+export class FetchTimeoutError extends Error {
+  override readonly name = 'FetchTimeoutError';
+  constructor(
+    public readonly url: string,
+    public readonly timeoutMs: number,
+  ) {
+    super(`Request to ${url} exceeded ${timeoutMs}ms timeout`);
+  }
+}
+
+export async function fetchWithTimeout(
+  url: string,
+  init: FetchWithTimeoutOptions = {},
+): Promise<Response> {
+  const { timeoutMs = 30_000, signal: callerSignal, ...rest } = init;
+  const controller = new AbortController();
+
+  // Compose: if the caller already passed a signal, abort our controller
+  // when theirs aborts. We can't reuse theirs directly because we still
+  // own the timeout lifecycle.
+  if (callerSignal) {
+    if (callerSignal.aborted) {
+      controller.abort(callerSignal.reason);
+    } else {
+      callerSignal.addEventListener('abort', () => controller.abort(callerSignal.reason), {
+        once: true,
+      });
+    }
+  }
+
+  const timeoutId = setTimeout(() => {
+    controller.abort(new FetchTimeoutError(url, timeoutMs));
+  }, timeoutMs);
+
+  try {
+    return await fetch(url, { ...rest, signal: controller.signal });
+  } catch (err) {
+    // If we hit our own timeout, surface a typed error instead of the
+    // generic AbortError so call sites can branch on it.
+    if (
+      err instanceof Error &&
+      (err.name === 'AbortError' || err.name === 'TimeoutError') &&
+      controller.signal.aborted
+    ) {
+      const reason = controller.signal.reason;
+      if (reason instanceof FetchTimeoutError) throw reason;
+    }
+    throw err;
+  } finally {
+    clearTimeout(timeoutId);
+  }
+}

src/lib/services/currency.ts

@@ -2,6 +2,7 @@ import { db } from '@/lib/db';
 import { currencyRates } from '@/lib/db/schema/system';
 import { eq, and } from 'drizzle-orm';
 import { logger } from '@/lib/logger';
+import { fetchWithTimeout } from '@/lib/fetch-with-timeout';
 
 export async function getRate(from: string, to: string): Promise<number | null> {
   if (from === to) return 1;
@@ -23,7 +24,7 @@ export async function convert(
 
 export async function refreshRates(): Promise<void> {
   try {
-    const res = await fetch('https://api.frankfurter.dev/v1/latest?base=USD');
+    const res = await fetchWithTimeout('https://api.frankfurter.dev/v1/latest?base=USD');
     if (!res.ok) throw new Error(`Frankfurter API error: ${res.status}`);
     const data = await res.json();
     const rates = data.rates as Record<string, number>;

src/lib/services/documenso-client.ts

@@ -1,6 +1,7 @@
 import { env } from '@/lib/env';
 import { logger } from '@/lib/logger';
 import { getPortDocumensoConfig, type DocumensoApiVersion } from '@/lib/services/port-config';
+import { fetchWithTimeout } from '@/lib/fetch-with-timeout';
 
 interface DocumensoCreds {
   baseUrl: string;
@@ -26,7 +27,7 @@ async function documensoFetch(
   portId?: string,
 ): Promise<unknown> {
   const { baseUrl, apiKey } = await resolveCreds(portId);
-  const res = await fetch(`${baseUrl}${path}`, {
+  const res = await fetchWithTimeout(`${baseUrl}${path}`, {
     ...options,
     headers: {
       Authorization: `Bearer ${apiKey}`,
@@ -241,7 +242,7 @@ export async function sendReminder(
 
 export async function downloadSignedPdf(docId: string, portId?: string): Promise<Buffer> {
   const { baseUrl, apiKey } = await resolveCreds(portId);
-  const res = await fetch(`${baseUrl}/api/v1/documents/${docId}/download`, {
+  const res = await fetchWithTimeout(`${baseUrl}/api/v1/documents/${docId}/download`, {
     headers: { Authorization: `Bearer ${apiKey}` },
   });
 
@@ -261,7 +262,7 @@ export async function checkDocumensoHealth(
 ): Promise<{ ok: boolean; status?: number; error?: string }> {
   try {
     const { baseUrl, apiKey } = await resolveCreds(portId);
-    const res = await fetch(`${baseUrl}/api/v1/health`, {
+    const res = await fetchWithTimeout(`${baseUrl}/api/v1/health`, {
       headers: { Authorization: `Bearer ${apiKey}` },
     });
     return { ok: res.ok, status: res.status };
@@ -355,7 +356,7 @@ export async function placeFields(
     // Note: v2 endpoint shape (envelopeId/recipientId types) must be
     // confirmed against a live Documenso 2.x instance - see PR11 realapi
     // suite. Spec risk register flags this drift as the top v2 risk.
-    const res = await fetch(`${baseUrl}/api/v2/envelope/field/create-many`, {
+    const res = await fetchWithTimeout(`${baseUrl}/api/v2/envelope/field/create-many`, {
       method: 'POST',
       headers: {
         Authorization: `Bearer ${apiKey}`,
@@ -387,7 +388,7 @@ export async function placeFields(
     // 1000 ms; 4xx responses (validation errors) fail-fast.
     let lastError: { status: number; body: string } | null = null;
     for (let attempt = 0; attempt < 3; attempt += 1) {
-      const res = await fetch(`${baseUrl}/api/v1/documents/${docId}/fields`, {
+      const res = await fetchWithTimeout(`${baseUrl}/api/v1/documents/${docId}/fields`, {
         method: 'POST',
         headers: {
           Authorization: `Bearer ${apiKey}`,
@@ -470,7 +471,7 @@ export function computeDefaultSignatureLayout(
 export async function voidDocument(docId: string, portId?: string): Promise<void> {
   const { baseUrl, apiKey, apiVersion } = await resolveCreds(portId);
   const path = apiVersion === 'v2' ? `/api/v2/envelope/${docId}` : `/api/v1/documents/${docId}`;
-  const res = await fetch(`${baseUrl}${path}`, {
+  const res = await fetchWithTimeout(`${baseUrl}${path}`, {
     method: 'DELETE',
     headers: { Authorization: `Bearer ${apiKey}` },
   });

src/lib/services/document-templates.ts

@@ -25,6 +25,7 @@ import {
   generateDocumentFromTemplate as documensoGenerateFromTemplate,
 } from '@/lib/services/documenso-client';
 import { buildDocumensoPayload, getPortEoiSigners } from '@/lib/services/documenso-payload';
+import { getPortDocumensoConfig } from '@/lib/services/port-config';
 import { generateEoiPdfFromTemplate } from '@/lib/pdf/fill-eoi-form';
 import { MERGE_FIELDS, type MergeFieldCatalog } from '@/lib/templates/merge-fields';
 import { buildEoiContext } from '@/lib/services/eoi-context';
@@ -882,12 +883,17 @@ async function generateAndSignViaDocumensoTemplate(
 
   const eoiContext = await buildEoiContext(context.interestId, portId);
   const signers = await getPortEoiSigners(portId);
+  // Per-port Documenso template + recipient IDs (with env fallback). Each
+  // tenant pointing at its own Documenso instance has different numeric
+  // template + recipient IDs, so a global env-only setup limits the
+  // platform to one Documenso instance per CRM process.
+  const docCfg = await getPortDocumensoConfig(portId);
 
   const payload = buildDocumensoPayload(eoiContext, {
     interestId: context.interestId,
-    clientRecipientId: env.DOCUMENSO_CLIENT_RECIPIENT_ID,
-    developerRecipientId: env.DOCUMENSO_DEVELOPER_RECIPIENT_ID,
-    approvalRecipientId: env.DOCUMENSO_APPROVAL_RECIPIENT_ID,
+    clientRecipientId: docCfg.clientRecipientId,
+    developerRecipientId: docCfg.developerRecipientId,
+    approvalRecipientId: docCfg.approvalRecipientId,
     developerName: signers.developer.name,
     developerEmail: signers.developer.email,
     approverName: signers.approver.name,
@@ -896,8 +902,9 @@ async function generateAndSignViaDocumensoTemplate(
   });
 
   const documensoDoc = await documensoGenerateFromTemplate(
-    env.DOCUMENSO_TEMPLATE_ID_EOI,
+    docCfg.eoiTemplateId,
     payload as unknown as Record<string, unknown>,
+    portId,
   );
 
   // Record a documents row referencing the Documenso document. No local file -

src/lib/services/email-threads.service.ts

@@ -265,6 +265,13 @@ export async function syncInbox(accountId: string): Promise<void> {
       pass: creds.password,
     },
     logger: false,
+    // Without these, a slow-streaming UID can hang the maintenance worker
+    // indefinitely (worker concurrency 1 → entire BullMQ maintenance queue
+    // stalls). 60s socket / 30s greeting / 30s connect is generous for any
+    // working server but bounds the hang.
+    socketTimeout: 60_000,
+    greetingTimeout: 30_000,
+    connectionTimeout: 30_000,
   });
 
   try {

src/lib/services/ocr-providers.ts

@@ -7,6 +7,9 @@
 import OpenAI from 'openai';
 
 import { logger } from '@/lib/logger';
+import { fetchWithTimeout } from '@/lib/fetch-with-timeout';
+
+const OCR_TIMEOUT_MS = 30_000;
 
 export interface ParsedReceiptLineItem {
   description: string;
@@ -73,7 +76,10 @@ function safeParse(content: string): ParsedReceipt {
 }
 
 async function runOpenAi({ imageBuffer, mimeType, apiKey, model }: RunArgs): Promise<OcrRunResult> {
-  const client = new OpenAI({ apiKey });
+  // Default OpenAI client has no timeout — a hung request would hold a Bull
+  // documents-worker concurrency slot until the OS reset it (~15 min). The
+  // 30s cap matches the cap on the (newer) email-draft worker fetch.
+  const client = new OpenAI({ apiKey, timeout: OCR_TIMEOUT_MS });
   const base64 = imageBuffer.toString('base64');
   const response = await client.chat.completions.create({
     model,
@@ -106,7 +112,8 @@ async function runOpenAi({ imageBuffer, mimeType, apiKey, model }: RunArgs): Pro
 
 async function runClaude({ imageBuffer, mimeType, apiKey, model }: RunArgs): Promise<OcrRunResult> {
   const base64 = imageBuffer.toString('base64');
-  const res = await fetch('https://api.anthropic.com/v1/messages', {
+  const res = await fetchWithTimeout('https://api.anthropic.com/v1/messages', {
+    timeoutMs: OCR_TIMEOUT_MS,
     method: 'POST',
     headers: {
       'Content-Type': 'application/json',

src/lib/services/port-config.ts

@@ -30,6 +30,12 @@ export const SETTING_KEYS = {
   documensoApiKeyOverride: 'documenso_api_key_override',
   documensoApiVersionOverride: 'documenso_api_version_override',
   documensoEoiTemplateId: 'documenso_eoi_template_id',
+  // Documenso template recipient slot IDs are per-Documenso-instance
+  // numeric values, so they have to follow the per-port template config.
+  // Falling back to env keeps single-tenant deploys working.
+  documensoClientRecipientId: 'documenso_client_recipient_id',
+  documensoDeveloperRecipientId: 'documenso_developer_recipient_id',
+  documensoApprovalRecipientId: 'documenso_approval_recipient_id',
   eoiDefaultPathway: 'eoi_default_pathway',
 
   // Branding
@@ -136,16 +142,41 @@ export interface PortDocumensoConfig {
   apiUrl: string;
   apiKey: string;
   apiVersion: DocumensoApiVersion;
-  eoiTemplateId: string | null;
+  eoiTemplateId: number;
   defaultPathway: EoiPathway;
+  /** Documenso template recipient slot IDs (per-instance numeric). */
+  clientRecipientId: number;
+  developerRecipientId: number;
+  approvalRecipientId: number;
+}
+
+function toIntOrNull(raw: unknown): number | null {
+  if (typeof raw === 'number' && Number.isFinite(raw)) return raw;
+  if (typeof raw === 'string' && raw.trim()) {
+    const n = Number(raw);
+    return Number.isFinite(n) ? n : null;
+  }
+  return null;
 }
 
 export async function getPortDocumensoConfig(portId: string): Promise<PortDocumensoConfig> {
-  const [apiUrl, apiKey, apiVersion, eoiTemplateId, defaultPathway] = await Promise.all([
+  const [
+    apiUrl,
+    apiKey,
+    apiVersion,
+    eoiTemplateId,
+    clientRecipientId,
+    developerRecipientId,
+    approvalRecipientId,
+    defaultPathway,
+  ] = await Promise.all([
     readSetting<string>(SETTING_KEYS.documensoApiUrlOverride, portId),
     readSetting<string>(SETTING_KEYS.documensoApiKeyOverride, portId),
     readSetting<DocumensoApiVersion>(SETTING_KEYS.documensoApiVersionOverride, portId),
-    readSetting<string>(SETTING_KEYS.documensoEoiTemplateId, portId),
+    readSetting<string | number>(SETTING_KEYS.documensoEoiTemplateId, portId),
+    readSetting<string | number>(SETTING_KEYS.documensoClientRecipientId, portId),
+    readSetting<string | number>(SETTING_KEYS.documensoDeveloperRecipientId, portId),
+    readSetting<string | number>(SETTING_KEYS.documensoApprovalRecipientId, portId),
     readSetting<EoiPathway>(SETTING_KEYS.eoiDefaultPathway, portId),
   ]);
 
@@ -153,7 +184,10 @@ export async function getPortDocumensoConfig(portId: string): Promise<PortDocume
     apiUrl: apiUrl ?? env.DOCUMENSO_API_URL,
     apiKey: apiKey ?? env.DOCUMENSO_API_KEY,
     apiVersion: apiVersion ?? env.DOCUMENSO_API_VERSION,
-    eoiTemplateId: eoiTemplateId ?? null,
+    eoiTemplateId: toIntOrNull(eoiTemplateId) ?? env.DOCUMENSO_TEMPLATE_ID_EOI,
+    clientRecipientId: toIntOrNull(clientRecipientId) ?? env.DOCUMENSO_CLIENT_RECIPIENT_ID,
+    developerRecipientId: toIntOrNull(developerRecipientId) ?? env.DOCUMENSO_DEVELOPER_RECIPIENT_ID,
+    approvalRecipientId: toIntOrNull(approvalRecipientId) ?? env.DOCUMENSO_APPROVAL_RECIPIENT_ID,
     defaultPathway: defaultPathway ?? 'documenso-template',
   };
 }

src/lib/services/umami.service.ts

@@ -21,6 +21,7 @@ import { and, eq, inArray } from 'drizzle-orm';
 import { db } from '@/lib/db';
 import { systemSettings } from '@/lib/db/schema/system';
 import { rangeToBounds, type DateRange } from '@/lib/analytics/range';
+import { fetchWithTimeout } from '@/lib/fetch-with-timeout';
 
 // ─── Settings access ────────────────────────────────────────────────────────
 
@@ -80,7 +81,7 @@ const jwtCache = new Map<string, CachedJwt>();
 const JWT_TTL_MS = 55 * 60 * 1000; // 55 min - Umami JWTs default to 1h
 
 async function loginAndCache(apiUrl: string, username: string, password: string): Promise<string> {
-  const res = await fetch(`${apiUrl}/api/auth/login`, {
+  const res = await fetchWithTimeout(`${apiUrl}/api/auth/login`, {
     method: 'POST',
     headers: { 'Content-Type': 'application/json', accept: 'application/json' },
     body: JSON.stringify({ username, password }),
@@ -122,7 +123,7 @@ async function umamiFetch<T>(
     url.searchParams.set(k, String(v));
   }
 
-  const res = await fetch(url, {
+  const res = await fetchWithTimeout(url.toString(), {
     headers: {
       Authorization: `Bearer ${bearer}`,
       accept: 'application/json',

src/lib/socket/server.ts

@@ -170,6 +170,17 @@ export function getIO(): Server<ClientToServerEvents, ServerToClientEvents> {
   return io;
 }
 
+/**
+ * Idempotent shutdown for graceful-stop on SIGTERM/SIGINT — closes the
+ * Socket.io server and (if present) its Redis adapter pub/sub clients so
+ * the process can exit cleanly.
+ */
+export async function closeSocketServer(): Promise<void> {
+  if (!io) return;
+  await new Promise<void>((resolve) => io!.close(() => resolve()));
+  io = null;
+}
+
 /**
  * Emit an event to a specific room. Used by service layer after mutations.
  */

src/lib/storage/filesystem.ts

@@ -189,7 +189,12 @@ export class FilesystemBackend implements StorageBackend {
 
   /** Throws if multi-node mode is set or the root isn't writable. */
   static async create(cfg: FilesystemConfig): Promise<FilesystemBackend> {
-    if (process.env.MULTI_NODE_DEPLOYMENT === 'true') {
+    // Read from the zod-validated env, not raw process.env — a typo
+    // (MULTI_NODE_DEPLOY=true, MULTINODE_DEPLOYMENT=true) used to silently
+    // pass the string-equality check, leaving the multi-node guard
+    // disabled. The schema in src/lib/env.ts now coerces the value and
+    // rejects unknown shapes at boot.
+    if (env.MULTI_NODE_DEPLOYMENT) {
       throw new Error(
         'FilesystemBackend cannot start when MULTI_NODE_DEPLOYMENT=true. ' +
           'Use an S3-compatible backend for multi-node deployments.',