May 2026: Delivered data-model refactors for HIU/Heat Pump and Smart Hot Water Tank to improve data accuracy and consistency, and implemented targeted code-quality improvements. Highlights include terminological cleanup from HUI to HIU, inclusion of ColdWaterSource in Smart Hot Water Tank, and removal of design_flow_temp mappings, backed by four commits. Also introduced an ESLint rule enforcing padding around function declarations and updated the ESLint config for affected Vue components. These changes reduce downstream integration risk, improve maintainability, and demonstrate proficiency with schema design, JavaScript/TypeScript, ESLint, and Vue.js.

April 2026 (2026-04) performance summary for communitiesuk/epb-ecaas-frontend: Key features and content were finalised across major building elements, including party wall guidance, ceiling guidance for heated and unheated spaces, roof guidance and UI behavior, flat roof guidance, MVHR ductwork, underfloor heating removal toggle, PV array form updates with energy export, and guidance text improvements across external walls and floors. Notable commits include EC-1354, EC-1337, EC-1338, EC-1360, EC-1361, EC-1359, EC-1358, EC-1326, EC-1369, EC-1318, EC-1321. UI and UX improvements delivered: guidance UI text improvements, removal of LLM warnings, U-value hyphenation, and dynamic roof-field visibility to reduce confusion. Strengthened data integrity with form synchronization across forms and upstream schemas, alignment of constraints with FHS schema, and the introduction of a shared Zod constraint pattern. Build performance and reliability were improved via a Vite 7.3.2 upgrade, Sentry SDK v10 upgrade and new metrics for the Calculate button, PNG asset optimization, and removal of noisy warnings. Additional business-value enablers include the underfloor heating removal feature toggle, PV array form enhancements with energy export, a new PCDB option for mixer showers, and a temporary dry-run calculation flow. These efforts collectively improve accuracy, speed, and user confidence in energy-performance workflows, reduce maintenance burden, and accelerate time-to-value for customers.

March 2026 monthly summary for communitiesuk/epb-ecaas-frontend. Key focus areas were: upgrading the frontend stack, aligning data schemas for FHS/PCDB, improving CI/CD reliability, and enhancing maintainability. Delivered a mix of feature work, bug fixes, and quality improvements that collectively increase stability, data integrity, and velocity for future releases.

February 2026 (2026-02) monthly summary for communitiesuk/epb-ecaas-frontend. Delivered targeted feature expansions, schema enhancements, and stability improvements to support broader device coverage and safer configuration mappings. These efforts increased end-to-end configurability (via product_reference variants), reduced test failures, and prepared the codebase for maintainability and future integrations with GOV.UK Frontend and OpenAPI tooling.

January 2026 (2026-01) monthly summary for communitiesuk/epb-ecaas-frontend. This period focused on elevating code quality, expanding schema capabilities to support product references, and modernizing tooling and design system alignment. The work sets a scalable foundation for future product references and faster delivery cycles, while reducing technical debt and improving developer and user-facing consistency. Key features delivered: - Code quality and linting improvements: Implemented comprehensive ESLint autofixes, Vue-specific hints, nested template string parsing fixes, and rules enforcing PascalCase, no multi-spaces, and string-union enums; expanded lint coverage across TS/Vue code to improve maintainability and reduce defects. - API and JSON schema updates for product references: Extended API schema to allow product references for radiator and UFH, and extended JSON schema to support fancoil as a product reference, enabling richer product modeling in the frontend data layer. - Schema and type alignment with FHS: Adopted FHS 1.0.0a3 schema and derived heat network type from generated schema types; patching usage to align with future releases and ensure generated types remain authoritative. - Product reference support across extended schema: Added product-reference variants for electric storage heater, corrected UFH representations, and extended WWHRS and smart hot water tanks with product-reference capability, enabling end-to-end product linking in UI and API surfaces. - Tech debt cleanup and tooling modernization: Removed Tauri app to simplify architecture; upgraded GOV.UK frontend to 5.14.0; introduced and consolidated lint/formatting rules (Prettier ignore, indent refinements) and updated npm dependencies for maintainability and security. Major bugs fixed: - Validation schema: corrected position of frac_convective field to ensure proper validation behavior. - Emitter/typegen consistency: aligned frac_convective behavior with pcdb variants and schema-driven types. Overall impact and accomplishments: - Established a scalable product-reference capability stack and a more robust frontend foundation, improving future time-to-market for product features and reducing maintenance costs through consistent linting, typing, and schema discipline. - Improved user experience consistency and design-system alignment via GOV.UK frontend upgrade, while strengthening developer productivity with tooling improvements. Technologies/skills demonstrated: - TypeScript, Vue.js, ESLint/Prettier, JSON Schema, API design, FHS schema adoption, schema generation, product-reference modelling, and GOV.UK frontend integration.

December 2025 performance summary for the communitiesuk/epb-ecaas-frontend project. Delivered a major schema migration and dwelling mapping enhancements to support FHS 1.0.0a2, including new party wall element types, updated energy/fuel type mappings, and strengthened validations for floors and exposed floor data. Aligned the frontend and test suite with the updated schema to improve reliability of the dwelling details feature. The work reduced data risks in production and set the foundation for smoother schema migrations.

Month: 2025-11. Summary: In November, the frontend platform delivered focused improvements across CI/CD stability, UX enhancements, and foundational data-layer work, enabling faster and safer deployments and paving the way for future product features. Key outcomes include a consolidated Nuxt/CodeBuild build process to stabilize builds and improve Nuxt compatibility; a new Form Validation utility to translate Zod schemas into FormKit rules; frontend architecture refresh aligned with the FHS 1.0 framework; a PCDB client interface with a DynamoDB data model to store and retrieve products; and usability improvements in the AssociatedElement component through default form option values. These efforts reduce build failures, improve developer velocity, enhance user experience, and establish groundwork for PCDB readiness and future feature delivery.

In 2025-10, four major frontend improvements delivered for communitiesuk/epb-ecaas-frontend focused on user clarity, data integrity, and test reliability. The Home Energy Model (HEM) warning on the results page was clarified to indicate that version 0.36 is indicative and not for final compliance, reducing misinterpretation risk for users. A data model enhancement added a securityRisk field and refactored mappings to improve data completeness and alignment with updated schemas, supporting more accurate downstream analytics. Code quality and test stability were strengthened through lint/fix improvements, import cleanups, and enabling a previously skipped test, leading to more reliable CI feedback. Finally, test descriptions were standardized by correcting typos and harmonizing terminology, improving maintainability and test accuracy. These changes collectively enhance business value by increasing user trust, ensuring data quality, and accelerating release readiness while demonstrating solid front-end tooling and data modeling skills.

September 2025 (communitiesuk/epb-ecaas-frontend): Delivered major schema modernization and reliability improvements supporting faster time-to-value and safer API modelling. OpenAPI 0.36 schema alignment and type integration completed across the frontend codebase, enabling more accurate type usage and safer nullability handling. Implemented EC-872 party wall mapping to adjacent conditioned space building element type and migrated away from the legacy thermal resistance field in favor of u-values. Strengthened linting, typing, and defensive data handling to reduce runtime errors and flaky tests. Upgraded dependencies and CI readiness with npm lockfile/packages updates and a 0.36 branch added to GitHub Actions. Expanded API typing and data payload support, including heat pump API types without discriminators and a new temporary temp_internal_air_static_calcs field emitted in payloads. Enforced UI/form constraints (glazed doors: single openable part) and updated the 0.36 demo FHS example to reflect schema changes. Overall impact: reduced regression risk, improved data integrity, and a clearer path to rapid, safe feature delivery.

August 2025 focused on strengthening validation, improving developer ergonomics, and elevating UI clarity for the epb-ecaas-frontend. Key investments in validation tooling, type-safety, and code quality established a strong foundation for reliable data mappings, safer feature rollouts, and faster onboarding. The work delivers tangible business value by reducing user errors, increasing data integrity, and improving maintainability across the front-end stack.

July 2025 monthly summary for communitiesuk/epb-ecaas-frontend focused on delivering user-facing improvements, robust data handling, and foundational tooling updates that drive business value and reduce support overhead. Highlights include frontend UX polish for outputs, a new import flow with resilience tests, and a range of reliability fixes that stabilize data exchange with the engine and external data sources.

June 2025 monthly summary for communitiesuk/epb-ecaas-frontend: Delivered significant data-model, mapper, API, and UI enhancements that improve accuracy, reliability, and business value of energy assessment workflows. Key outcomes include stronger type safety for window and ventilation data, 1:1 form-to-mapper mapping with expanded tests, a comprehensive heating systems mapper including wet distribution, ECaaS API integration with improved outputs and results UI, and API schema/type updates aligned with OpenAPI.

May 2025 performance summary for communitiesuk/epb-ecaas-frontend. Focused delivery on type-safety, observability, and dev velocity with notable OpenAPI type enhancements, tracing instrumentation, UI/Frontend modernization, and workflow improvements. Reduced maintenance overhead by removing legacy integrations and tightening tests. Strengthened business value by enabling safer API integration, improved debugging/traceability, and faster CI feedback loops.

April 2025: Delivered core EPB-ECaas frontend improvements with strong business value and heightened code quality. Key features delivered: Electric Battery Page (EC-359) enabling battery configuration workflows; MVHR inputs help moved into Ductwork form (EC-475) to streamline guidance. Major fixes: corrected vertical element field naming (height->length) with updated tests and comprehensive image asset typos cleanup. UI/UX and code health: Part L Title Case headers, TypeScript typecheck improvements, and dev tooling upgrades (vue-tsc). CI/CD and quality: enhanced automation with typedtest script, serial typecheck/test execution, GitHub Actions checks, CI badge, and workflow fixes; dependency/security updates after vulnerability warnings; TS configuration improvements (noUncheckedIndexedAccess and ES2018 target).

Month: 2025-03 – Focused on front-end Amplify/Lambda/Nitro integration, AWS deploy/buildspec refinements, and asset management across epb-ecaas-frontend and epb-aws-infrastructure. Implemented build-time Nitro switching, asset rendering/sync for deploys, and GOV.UK frontend upgrades, with deployment reliability improvements and policy generalization.

February 2025: Focused on improving developer experience for epb-ecaas-frontend by adding a Tauri Local Development Setup Guide to the README, enabling easier local runs and onboarding.

December 2024 monthly summary for communitiesuk/epb-ecaas-frontend. Focused on delivering a robust Amplify-based CI/CD pipeline for reliable deployments and asset delivery, introducing a TTL-enabled KeyValueStore in Amplify Data Store, and elevating code quality and build stability.