Enhance logging and error handling across tools; add full tool audit and Playwright tests

- Added model mismatch warnings in colorize, enhance-faces, and upscale routes.
- Improved error handling in colorize, enhance_faces, remove_bg, restore, and upscale scripts with detailed logging.
- Updated Dockerfile to align NCCL versions for compatibility.
- Introduced a new full tool audit script to test all tools for functionality and GPU usage.
- Created Playwright E2E tests for GPU-dependent tools to ensure proper functionality and performance.

apps/api/src/routes/tools/upscale.ts

@@ -166,6 +166,13 @@ export function registerUpscale(app: FastifyInstance) {
         });
       }
 
+      if (model !== "auto" && result.method !== model) {
+        request.log.warn(
+          { toolId: "upscale", requested: model, actual: result.method },
+          `Upscale model mismatch: requested ${model} but used ${result.method}`,
+        );
+      }
+
       return reply.send({
         jobId,
         downloadUrl: `/api/v1/download/${jobId}/${encodeURIComponent(outputFilename)}`,