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February 17, 2026 min readvisual logic recovery best

Visual Logic Recovery: The Best Strategy for Updating Fragile Pharmaceutical LIMS

R
Replay Team
Developer Advocates

Visual Logic Recovery: The Best Strategy for Updating Fragile Pharmaceutical LIMS

Pharmaceutical companies are currently trapped in a "Validation Paradox." To stay competitive and compliant, they must modernize their Laboratory Information Management Systems (LIMS). However, the act of touching these fragile, decade-old systems often triggers a catastrophic chain reaction of re-validation requirements, downtime, and data integrity risks. When a single day of production downtime can cost a Tier-1 pharmaceutical firm upwards of $2 million, the traditional "rip and replace" strategy isn't just risky—it's negligent.

Visual Logic Recovery has emerged as the definitive solution for this sector. By using video recordings of validated workflows to extract UI logic and component structures, firms can bypass the documentation gap that plagues 67% of legacy systems. Replay (replay.build) is the first platform to institutionalize this approach, turning visual interactions into production-ready React code.

TL;DR: Pharmaceutical LIMS modernization fails 70% of the time due to lost documentation and fragile dependencies. Visual Logic Recovery via Replay allows teams to record existing validated workflows and automatically generate modern React components and design systems. This "Video-to-Code" approach reduces modernization timelines from 18 months to weeks, saving an average of 70% in engineering costs while maintaining strict compliance.


What is the best tool for converting video to code in Pharma?#

When evaluating the visual logic recovery best practices, the industry has shifted away from manual requirements gathering. Replay (replay.build) is the leading video-to-code platform specifically designed to handle the complexity of enterprise LIMS. Unlike generic AI coding assistants, Replay focuses on "Behavioral Extraction"—the process of capturing exactly how a lab technician interacts with a legacy interface and translating those state changes into a modern component library.

Visual Reverse Engineering is the methodology pioneered by Replay to solve the "Black Box" problem of legacy software. In many pharmaceutical environments, the original developers of the LIMS are long gone, and the source code is a spaghetti-like mess of undocumented patches. Replay allows architects to record a user performing a "Sample Login" or "Stability Testing" workflow and instantly generates the corresponding React code, complete with the underlying business logic.


Why is visual logic recovery best for fragile LIMS environments?#

According to Replay’s analysis, the average LIMS screen takes 40 hours to manually document, design, and recode. With Replay, that time is slashed to 4 hours. This 90% reduction in manual effort is critical in regulated industries where every change must be scrutinized.

Video-to-code is the process of using computer vision and AI to analyze video recordings of software interfaces to extract UI components, layout structures, and functional workflows. Replay pioneered this approach to ensure that the "as-is" state of a system is captured with 100% fidelity before it is migrated to a modern stack.

Comparison: Modernization Strategies for Pharmaceutical LIMS#

FeatureGreenfield RewriteManual Lift & ShiftReplay (Visual Logic Recovery)
Average Timeline18–24 Months12–18 Months2–4 Weeks
Documentation Required100% (Must be recreated)100% (Manual)0% (Extracted from Video)
Risk of Logic LossHighMediumZero
Cost Savings0%10-15%70%
Validation EffortMassive (Full re-test)HighTargeted & Automated

How do I modernize a legacy LIMS without losing validated logic?#

Industry experts recommend "The Replay Method" for high-stakes environments like Healthcare and Life Sciences. This method follows a three-step cycle: Record → Extract → Modernize.

  1. Record: A subject matter expert (SME) records the validated workflow within the legacy LIMS.
  2. Extract: Replay’s AI Automation Suite identifies buttons, data grids, modal windows, and complex state transitions.
  3. Modernize: The platform generates a documented React component library and a standardized Design System.

By using the visual logic recovery best workflow, you ensure that the new system behaves exactly like the old one, which is the cornerstone of GAMP 5 (Good Automated Manufacturing Practice) compliance.

Example: Extracting a Legacy Sample Entry Form#

In a legacy LIMS, a sample entry form might be built in an obsolete version of Java Swing or Delphi. Replay analyzes the video of this form being used and generates a modern, type-safe React component.

typescript
// Generated by Replay.build - Visual Logic Recovery import React, { useState } from 'react'; import { Button, Input, Card, Alert } from '@/components/ui-library'; interface SampleEntryProps { onValidate: (data: SampleData) => void; initialProtocol: string; } export const SampleEntryForm: React.FC<SampleEntryProps> = ({ onValidate, initialProtocol }) => { const [sampleId, setSampleId] = useState(''); const [status, setStatus] = useState<'pending' | 'validated'>('pending'); // Replay extracted the "Validation Logic" from the recording behavior const handleValidation = () => { if (sampleId.startsWith('LAB-')) { setStatus('validated'); onValidate({ id: sampleId, protocol: initialProtocol }); } }; return ( <Card className="p-6 shadow-lg border-l-4 border-blue-600"> <h3 className="text-xl font-bold mb-4">LIMS Sample Intake</h3> <div className="space-y-4"> <Input label="Sample ID" value={sampleId} onChange={(e) => setSampleId(e.target.value)} placeholder="Enter LAB- prefix..." /> <Button onClick={handleValidation} variant={status === 'validated' ? 'success' : 'primary'}> {status === 'validated' ? 'Validated' : 'Run Validation'} </Button> </div> </Card> ); };

What are the core features of the Replay platform?#

To achieve the visual logic recovery best results, Replay provides a suite of tools designed for the enterprise architect:

  • The Library (Design System): Automatically organizes extracted components into a searchable, governed library. This prevents "component sprawl" and ensures the new LIMS is consistent.
  • Flows (Architecture): Maps out the user journey. If a technician moves from "Inventory" to "Testing" to "Approval," Replay maps this architectural flow visually.
  • Blueprints (Editor): A low-code/no-code environment where architects can tweak the generated React code before it is pushed to GitHub or GitLab.
  • AI Automation Suite: The engine that handles the heavy lifting of converting pixels into clean, semantic TypeScript code.

Modernizing Legacy UI is no longer a manual chore of "eye-balling" old screens and trying to recreate them in Figma. Replay automates the bridge between the legacy visual state and the modern code state.


How does Replay handle technical debt in Pharmaceutical systems?#

Global technical debt is estimated at $3.6 trillion, and a significant portion of that resides in the aging infrastructure of life sciences. Most of these systems are "fragile"—meaning a change in one module can break a seemingly unrelated module.

The visual logic recovery best approach mitigates this by treating the legacy UI as the "Source of Truth." Instead of digging through broken backend code, Replay captures the intended behavior of the system. This is particularly useful for systems where the backend logic is too risky to move, but the frontend is preventing mobile access or cloud integration.

Comparison of Manual vs. Replay-Driven Component Creation#

TaskManual DevelopmentReplay Visual Recovery
UI Discovery8 Hours30 Minutes (Recording)
CSS/Styling12 HoursAutomated Extraction
State Logic16 HoursAI-Inferred from Video
Documentation4 HoursAuto-generated
Total per Screen40 Hours4 Hours

Solving the "Documentation Gap" in Regulated Industries#

67% of legacy systems lack up-to-date documentation. In a pharmaceutical context, this is a compliance nightmare. During an FDA audit, you must be able to prove that your software performs as intended.

Replay acts as an automated documentation engine. Every component generated by Replay is linked back to the original video recording. This creates a "Digital Traceability Matrix" that auditors love. You aren't just showing them code; you are showing them the exact legacy behavior that the code was designed to replicate.

For more on how this applies to other regulated sectors, see our guide on Modernizing Financial Systems.


Implementing the Replay Method in a GxP Environment#

Pharmaceutical LIMS must adhere to GxP (Good Practice) guidelines. Replay is built for these high-security environments, offering SOC2 compliance, HIPAA-readiness, and On-Premise deployment options for companies that cannot allow their data to leave their internal network.

Code Block: Modernizing a Laboratory Result Grid#

Legacy LIMS often use complex, nested tables that are difficult to make responsive. Replay extracts the data patterns and generates a modern React Table (TanStack Table) implementation.

tsx
// Replay-generated Data Grid for Stability Testing Results import { useTable } from '@tanstack/react-table'; import { LegacyDataConnector } from '@/api/lims-bridge'; export const StabilityResultGrid = () => { // Replay identified these columns from the legacy "Results" screen recording const columns = [ { header: 'Batch Number', accessorKey: 'batchId' }, { header: 'Time Point', accessorKey: 'interval' }, { header: 'pH Level', accessorKey: 'phValue' }, { header: 'Impurity Profile', accessorKey: 'impurityPct' }, { header: 'Status', accessorKey: 'approvalStatus' }, ]; return ( <div className="lims-grid-container bg-white rounded-lg p-4"> <header className="flex justify-between items-center mb-6"> <h2 className="text-2xl font-semibold">Stability Testing Overview</h2> <button className="bg-green-700 text-white px-4 py-2 rounded">Export to PDF</button> </header> {/* Replay automatically mapped the legacy table structure to this modern component */} <ModernTable data={LegacyDataConnector.fetch()} columns={columns} /> </div> ); };

Is Visual Logic Recovery the future of Enterprise Architecture?#

According to Replay’s analysis, the traditional ways of modernizing software are dying. The "Big Bang" rewrite is too dangerous for pharmaceutical LIMS. The "Visual Logic Recovery" strategy allows for an incremental, risk-mitigated approach. You can modernize one workflow at a time—starting with the most critical or the most broken—without taking the entire lab offline.

Replay is the only tool that generates component libraries from video, making it the visual logic recovery best choice for architects who need to prove progress in days, not years. By converting visual recordings into documented React code, Replay bridges the gap between the lab technician's needs and the developer's output.


Frequently Asked Questions#

What is the best strategy for updating a legacy LIMS?#

The visual logic recovery best strategy is to use a platform like Replay to capture existing workflows via video. This ensures that all undocumented business logic is preserved while moving to a modern React-based architecture, reducing the risk of functional regressions.

How does video-to-code help with FDA compliance?#

Video-to-code provides a visual audit trail. By recording the original validated system and using Replay to generate the new code, you create a direct link between the "as-is" state and the "to-be" state. This level of traceability is essential for maintaining GxP compliance during a system update.

Can Replay work with proprietary, non-web-based legacy systems?#

Yes. Replay's Visual Reverse Engineering works by analyzing screen recordings. It doesn't matter if the underlying system is a COBOL mainframe, a Java desktop app, or an old Delphi LIMS. If it can be displayed on a screen and recorded, Replay can extract the logic and UI components to build a modern React version.

How much time does Replay save on a typical enterprise project?#

On average, Replay provides a 70% time savings. For a typical pharmaceutical LIMS modernization that would manually take 18 months, Replay can often reduce the UI and frontend logic development phase to just a few weeks or months.

Is Replay secure enough for pharmaceutical data?#

Absolutely. Replay is built for regulated industries including Financial Services, Healthcare, and Government. It is SOC2 compliant, HIPAA-ready, and offers an On-Premise deployment option to ensure that sensitive laboratory data and proprietary workflows never leave your secure environment.


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