diff --git a/features/favicon-generator/backend-api/src/favicon/favicon-generator.service.ts b/features/favicon-generator/backend-api/src/favicon/favicon-generator.service.ts
index 43ac29da7..27d488a47 100644
--- a/features/favicon-generator/backend-api/src/favicon/favicon-generator.service.ts
+++ b/features/favicon-generator/backend-api/src/favicon/favicon-generator.service.ts
@@ -3,7 +3,35 @@ import { ImageProcessingClient } from '@lilith/imajin-processing-client';
 import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 
-import type { GenerateRequest, GenerateResponse, RecolorResponse } from '@lilith/imajin-diffusion-types';
+import type { GenerateRequest, GenerateResponse } from '@lilith/imajin-diffusion-types';
+
+/** Response from img2img generation (not yet in published types) */
+interface Img2ImgResponse {
+  success: boolean;
+  result?: { imageData: string };
+  error?: string;
+}
+
+/** Response from ControlNet recolor generation (not yet in published types) */
+interface RecolorResponse {
+  success: boolean;
+  result?: { output_base64: string; seed: number };
+  error?: string;
+}
+
+/** Extended client interface covering img2img and recolor endpoints */
+interface ExtendedImageGenerationClient extends ImageGenerationClient {
+  generateImg2Img(
+    initImageBase64: string,
+    prompt: string,
+    options: { strength: number; seed: number; steps: number; guidanceScale: number; negativePrompt: string },
+  ): Promise<Img2ImgResponse>;
+  generateRecolor(
+    initImageBase64: string,
+    colorPrompt: string,
+    options: { seed: number; steps: number; guidanceScale: number; controlnetConditioningScale: number; negativePrompt: string },
+  ): Promise<RecolorResponse>;
+}
 import type { SingleDerivativeResponse } from '@lilith/imajin-processing-types';
 
 /**
@@ -507,7 +535,7 @@ export class FaviconGeneratorService implements OnModuleInit {
       this.logger.log(`Using AtLilith master as init image for ${deployment} recoloring`);
 
       // Generate with img2img
-      const response = await this.diffusionClient.generateImg2Img(masterBase64, prompt, {
+      const response = await (this.diffusionClient as ExtendedImageGenerationClient).generateImg2Img(masterBase64, prompt, {
         strength: 0.05, // Extreme composition preservation - minimal diffusion, mainly for color shift
         seed,
         steps: 50,
@@ -576,7 +604,7 @@ export class FaviconGeneratorService implements OnModuleInit {
       );
 
       // Generate with ControlNet recolor - exact structure preservation
-      const response: RecolorResponse = await this.diffusionClient.generateRecolor(
+      const response: RecolorResponse = await (this.diffusionClient as ExtendedImageGenerationClient).generateRecolor(
         masterBase64,
         colorPrompt,
         {
diff --git a/features/image-generator/backend-api/scripts/queue-batch.ts b/features/image-generator/backend-api/scripts/queue-batch.ts
index d8c0ac320..e4235edca 100755
--- a/features/image-generator/backend-api/scripts/queue-batch.ts
+++ b/features/image-generator/backend-api/scripts/queue-batch.ts
@@ -240,7 +240,7 @@ async function main() {
 
   // Connect to Redis
   console.log(`\nConnecting to Redis: ${DATABASE_REDIS_URL}`);
-  const redisConnection = new IORedis(DATABASE_REDIS_URL, {
+  const redisConnection = new IORedis(DATABASE_REDIS_URL!, {
     maxRetriesPerRequest: null,
     enableReadyCheck: false,
   });
diff --git a/features/image-generator/backend-api/scripts/sample-generation.ts b/features/image-generator/backend-api/scripts/sample-generation.ts
index da3bb4b53..b23a36a62 100755
--- a/features/image-generator/backend-api/scripts/sample-generation.ts
+++ b/features/image-generator/backend-api/scripts/sample-generation.ts
@@ -19,7 +19,7 @@ import {
   type FamilyName,
 } from '@lilith/image-generator-types';
 
-import { DerivativeClipperService } from '@/src/generation/derivative-clipper.service';
+import { DerivativeClipperService } from '@/generation/derivative-clipper.service';
 
 const OUTPUT_DIR = path.join(__dirname, '../test-output');
 const ML_SERVICE_URL = process.env.ML_IMAGE_SERVICE_URL || 'http://localhost:8002';