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rtu_v5/.planning/codebase/CONCERNS.md
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2026-03-12 00:56:57 +08:00

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Codebase Concerns

Analysis Date: 2026-03-12

Project Status: Greenfield

Critical Finding: This is a greenfield project with no actual implementation code. The repository contains only:

  • THE_IDEA.md - Requirements specification document
  • .opencode/ - OpenCode/GSD framework configuration

Impact: There are no code-level technical concerns to document because nothing has been built yet. This document outlines concerns for the future implementation.

Implementation Concerns

No Source Code Exists

Issue: No application code has been implemented

  • Files: None (project has not been initialized with source code)
  • Impact: Cannot assess code quality, patterns, or technical debt
  • Fix approach: Initialize project with proper scaffolding before implementation begins

Missing Project Initialization

Issue: No package.json, build configuration, or source directories at project root

  • Files: package.json, tsconfig.json, src/ missing
  • Impact: No standard development workflow established
  • Fix approach: Run project initialization to create proper project structure

Hardware-Specific Concerns

Low-Power Device Targeting

Issue: Target hardware is Raspberry Pi Zero 2W (limited resources)

  • Device: Pi Zero 2 W with 512MB RAM, single-core ARMv8
  • Concern: UI must be lightweight to run smoothly in Chromium Kiosk Mode
  • Mitigation needed:
    • Minimal JavaScript bundle size
    • Efficient rendering (avoid heavy frameworks if possible)
    • Consider static HTML/CSS over SPA for main interface
    • Lazy-load any heavy components

Dual Display Resolution Support

Issue: Must support two different display modes

  • 7-inch touchscreen: 1024x600 resolution
  • Full HD remote access: 1920x1080 resolution
  • Concern: Responsive design complexity
  • Mitigation needed:
    • Clear responsive breakpoints
    • Different layouts for touch vs desktop
    • Performance testing on actual hardware

Requirements Complexity

Feature Scope (3 Milestones)

Issue: Large feature set across three milestones

  • Milestone 1: Modern compact UI
  • Milestone 2: CSV processing and workflow
  • Milestone 3: Network stack
  • Concern: Scope creep and milestone creep
  • Priority: High

Data Types and Processing

Issue: Multiple sensor data types require handling

  • Rainfall (today, hourly, MAR, yearly)
  • Battery voltage
  • Solar voltage
  • Water level sensors (4-20mA, 0-10vDC)
  • GPS coordinates
  • Mobile network status
  • Concern: Data normalization and storage complexity

Network Protocol Support

Issue: Multiple transfer protocols specified in requirements

  • FTP, SCP, SFTP, WEBDAV
  • TCP socket connections
  • Concern: Implementation complexity and security
  • Mitigation: Start with simplest protocol (HTTP), add others as needed

Dependencies at Risk

OpenCode Framework Dependency

Issue: Project configured to use OpenCode/GSD workflow

  • Package: @opencode-ai/plugin v1.2.24
  • Location: .opencode/package.json
  • Risk: Vendor lock-in to specific workflow tool
  • Mitigation: Document standard development practices that work independently

Zod in node_modules

Issue: Zod library present in .opencode/node_modules/

  • Purpose: Likely used for configuration validation
  • Concern: Not yet integrated into project (in .)
  • Recommendation: If validationopencode only needed, use zod; otherwise remove dependency

Missing Infrastructure

No Testing Framework

Issue: No test files or configuration detected

  • No jest.config.*, vitest.config.*, or similar
  • No *.test.* or *.spec.* files
  • Impact: No test coverage for future implementation
  • Priority: High - Testing should be established before implementation

No Linting/Formatting

Issue: No ESLint, Prettier, or biome configuration

  • Impact: Inconsistent code style as team grows
  • Priority: Medium

No CI/CD Configuration

Issue: No GitHub Actions, GitLab CI, or similar

  • Impact: No automated testing or deployment
  • Priority: Low (can be added later)

Security Considerations (Future)

Network Credentials Storage

Issue: Requirements mention FTP/SCP credentials

  • Files referenced: THE_IDEA.md lines 175-184
  • Concern: Plain-text credentials in configuration
  • Future mitigation:
    • Use environment variables, not config files
    • Consider OAuth/API keys over username/password
    • Encrypt any stored credentials

GPRS/Mobile Network

Issue: Mobile settings stored in system

  • Location: THE_IDEA.md section 1.7
  • Concern: Phone numbers and device IDs stored
  • Future mitigation: Encrypt sensitive station data

Performance Targets

Startup Time

Target: Fast enough for Pi Zero 2W Chromium Kiosk

  • Concern: Cold start must be under 3 seconds
  • Mitigation: Minimize JavaScript, use progressive loading

Memory Usage

Target: Stay within 256MB RAM for UI

  • Concern: Chromium + web app + system services
  • Mitigation: Avoid large in-memory data structures

Summary of Priorities

Concern Priority Status
No source code exists Critical Not started
No testing framework High Not started
No project initialization High Not started
Hardware performance High Future
Requirements scope Medium Planned
No CI/CD Low Not started
Security hardening Medium Future

Concerns audit: 2026-03-12

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