diff --git a/apps/memoro/apps/server/src/routes/cleanup.ts b/apps/memoro/apps/server/src/routes/cleanup.ts
index ea72a30a4..128185b73 100644
--- a/apps/memoro/apps/server/src/routes/cleanup.ts
+++ b/apps/memoro/apps/server/src/routes/cleanup.ts
@@ -38,7 +38,7 @@ cleanupRoutes.post('/run', async (c) => {
 
 // POST /manual — manual trigger with optional user IDs
 cleanupRoutes.post('/manual', async (c) => {
-	const body = await c.req.json<{ userIds?: string[] }>().catch(() => ({}));
+	const body = await c.req.json<{ userIds?: string[] }>().catch(() => ({ userIds: undefined }));
 	const userIds = body.userIds ?? [];
 
 	console.log(
diff --git a/apps/memoro/apps/server/src/routes/credits.ts b/apps/memoro/apps/server/src/routes/credits.ts
index 7ef986613..d6f13f093 100644
--- a/apps/memoro/apps/server/src/routes/credits.ts
+++ b/apps/memoro/apps/server/src/routes/credits.ts
@@ -3,10 +3,11 @@
  */
 
 import { Hono } from 'hono';
+import type { AuthVariables } from '@manacore/shared-hono';
 import { validateCredits, consumeCredits, COSTS } from '../lib/credits';
 import { getBalance } from '@manacore/shared-hono';
 
-export const creditRoutes = new Hono();
+export const creditRoutes = new Hono<{ Variables: AuthVariables }>();
 
 // GET /pricing — public, returns cost constants
 creditRoutes.get('/pricing', (c) => {
diff --git a/apps/memoro/apps/server/src/routes/internal.ts b/apps/memoro/apps/server/src/routes/internal.ts
index 015a20fdd..189d844a4 100644
--- a/apps/memoro/apps/server/src/routes/internal.ts
+++ b/apps/memoro/apps/server/src/routes/internal.ts
@@ -6,10 +6,7 @@
 
 import { Hono } from 'hono';
 import { HTTPException } from 'hono/http-exception';
-import {
-	handleTranscriptionCompleted,
-	updateMemoProcessingStatus,
-} from '../services/memo';
+import { handleTranscriptionCompleted } from '../services/memo';
 import { createServiceClient } from '../lib/supabase';
 
 export const internalRoutes = new Hono();
@@ -54,11 +51,11 @@ internalRoutes.post('/transcription-completed', async (c) => {
 		await handleTranscriptionCompleted({
 			memoId: body.memoId,
 			userId: body.userId,
-			transcriptionResult: body.transcriptionResult,
-			route: body.route,
+			...(body.transcriptionResult ? { transcriptionResult: body.transcriptionResult } : {}),
+			...(body.route ? { route: body.route } : {}),
 			success: body.success,
-			error: body.error,
-			fallbackStage: body.fallbackStage,
+			...(body.error ? { error: body.error } : {}),
+			...(body.fallbackStage ? { fallbackStage: body.fallbackStage } : {}),
 		});
 		return c.json({ success: true, memoId: body.memoId });
 	} catch (err) {
diff --git a/apps/memoro/apps/server/src/routes/invites.ts b/apps/memoro/apps/server/src/routes/invites.ts
index 5afe44bc9..5657f1f13 100644
--- a/apps/memoro/apps/server/src/routes/invites.ts
+++ b/apps/memoro/apps/server/src/routes/invites.ts
@@ -3,9 +3,10 @@
  */
 
 import { Hono } from 'hono';
+import type { AuthVariables } from '@manacore/shared-hono';
 import { acceptInvite, declineInvite, getPendingInvites } from '../services/space';
 
-export const inviteRoutes = new Hono();
+export const inviteRoutes = new Hono<{ Variables: AuthVariables }>();
 
 // GET /pending — list pending invites for current user
 inviteRoutes.get('/pending', async (c) => {
diff --git a/apps/memoro/apps/server/src/routes/memos.ts b/apps/memoro/apps/server/src/routes/memos.ts
index d17fc1548..4fae5d894 100644
--- a/apps/memoro/apps/server/src/routes/memos.ts
+++ b/apps/memoro/apps/server/src/routes/memos.ts
@@ -3,10 +3,10 @@
  */
 
 import { Hono } from 'hono';
+import type { AuthVariables } from '@manacore/shared-hono';
 import { v4 as uuidv4 } from 'uuid';
 import {
 	createMemoFromUploadedFile,
-	handleTranscriptionCompleted,
 	callAudioServer,
 	updateMemoProcessingStatus,
 } from '../services/memo';
@@ -15,7 +15,7 @@ import { createServiceClient } from '../lib/supabase';
 import { validateCredits, consumeCredits, COSTS } from '../lib/credits';
 import { generateText } from '../lib/ai';
 
-export const memoRoutes = new Hono();
+export const memoRoutes = new Hono<{ Variables: AuthVariables }>();
 
 // POST / — create memo from uploaded file
 memoRoutes.post('/', async (c) => {
@@ -40,12 +40,12 @@ memoRoutes.post('/', async (c) => {
 			userId,
 			filePath: body.filePath,
 			duration: body.duration,
-			spaceId: body.spaceId,
-			blueprintId: body.blueprintId,
-			memoId: body.memoId,
-			recordingStartedAt: body.recordingStartedAt,
-			location: body.location,
-			mediaType: body.mediaType,
+			...(body.spaceId ? { spaceId: body.spaceId } : {}),
+			...(body.blueprintId ? { blueprintId: body.blueprintId } : {}),
+			...(body.memoId ? { memoId: body.memoId } : {}),
+			...(body.recordingStartedAt ? { recordingStartedAt: body.recordingStartedAt } : {}),
+			...(body.location !== undefined ? { location: body.location } : {}),
+			...(body.mediaType ? { mediaType: body.mediaType } : {}),
 		});
 		return c.json(result, 201);
 	} catch (err) {
@@ -122,8 +122,8 @@ memoRoutes.post('/:id/append', async (c) => {
 			audioPath: body.filePath,
 			duration: body.duration,
 			recordingIndex,
-			recordingLanguages: body.recordingLanguages,
-			enableDiarization: body.enableDiarization,
+			...(body.recordingLanguages ? { recordingLanguages: body.recordingLanguages } : {}),
+			...(body.enableDiarization !== undefined ? { enableDiarization: body.enableDiarization } : {}),
 			isAppend: true,
 		}).catch((err) => console.error(`[memos] Append transcription call failed: ${err}`));
 	});
diff --git a/apps/memoro/apps/server/src/routes/settings.ts b/apps/memoro/apps/server/src/routes/settings.ts
index eefb5a068..8b22ce593 100644
--- a/apps/memoro/apps/server/src/routes/settings.ts
+++ b/apps/memoro/apps/server/src/routes/settings.ts
@@ -5,9 +5,10 @@
  */
 
 import { Hono } from 'hono';
+import type { AuthVariables } from '@manacore/shared-hono';
 import { createServiceClient } from '../lib/supabase';
 
-export const settingsRoutes = new Hono();
+export const settingsRoutes = new Hono<{ Variables: AuthVariables }>();
 
 // GET / — get all user settings
 settingsRoutes.get('/', async (c) => {
diff --git a/apps/memoro/apps/server/src/routes/spaces.ts b/apps/memoro/apps/server/src/routes/spaces.ts
index 755385e7b..f2c5776ae 100644
--- a/apps/memoro/apps/server/src/routes/spaces.ts
+++ b/apps/memoro/apps/server/src/routes/spaces.ts
@@ -3,6 +3,7 @@
  */
 
 import { Hono } from 'hono';
+import type { AuthVariables } from '@manacore/shared-hono';
 import { createServiceClient } from '../lib/supabase';
 import {
 	getSpaces,
@@ -17,7 +18,7 @@ import {
 	createInvite,
 } from '../services/space';
 
-export const spaceRoutes = new Hono();
+export const spaceRoutes = new Hono<{ Variables: AuthVariables }>();
 
 // GET / — list user's spaces
 spaceRoutes.get('/', async (c) => {
diff --git a/apps/memoro/apps/server/src/services/memo.ts b/apps/memoro/apps/server/src/services/memo.ts
index de3be0b5b..ae06832e3 100644
--- a/apps/memoro/apps/server/src/services/memo.ts
+++ b/apps/memoro/apps/server/src/services/memo.ts
@@ -136,7 +136,7 @@ export async function createMemoFromUploadedFile(params: CreateMemoParams): Prom
 			userId,
 			audioPath: filePath,
 			duration,
-			blueprintId,
+			...(blueprintId ? { blueprintId } : {}),
 		}).catch((err) => {
 			console.error(`[memo] Audio server call failed for memo ${memoId}:`, err);
 			updateMemoProcessingStatus(memoId, 'transcription', 'failed', {
@@ -208,7 +208,7 @@ export async function handleTranscriptionCompleted(
 	consumeCredits(userId, 'transcription', cost, `Transcription for memo ${memoId}`, {
 		memoId,
 		durationSeconds: duration,
-	}).catch((err) => console.error('[memo] Failed to consume credits:', err));
+	}).catch((err: unknown) => console.error('[memo] Failed to consume credits:', err));
 
 	// Fire headline generation asynchronously
 	queueMicrotask(() => {
diff --git a/apps/memoro/apps/server/src/services/space.ts b/apps/memoro/apps/server/src/services/space.ts
index f46e037c8..91a1be449 100644
--- a/apps/memoro/apps/server/src/services/space.ts
+++ b/apps/memoro/apps/server/src/services/space.ts
@@ -369,7 +369,7 @@ export async function acceptInvite(
 
 export async function declineInvite(
 	inviteId: string,
-	userId: string
+	_userId: string
 ): Promise<{ success: boolean }> {
 	const supabase = createServiceClient();
 
diff --git a/packages/shared-hono/src/credits.ts b/packages/shared-hono/src/credits.ts
index be003ef25..8c3f8e286 100644
--- a/packages/shared-hono/src/credits.ts
+++ b/packages/shared-hono/src/credits.ts
@@ -62,7 +62,7 @@ export async function getBalance(userId: string): Promise<CreditBalance> {
  */
 export async function validateCredits(
 	userId: string,
-	operation: string,
+	_operation: string,
 	amount: number
 ): Promise<CreditValidationResult> {
 	try {