AGENTS.md - VBA Coding Constraints

Project Overview

Project Name: Commuter Allowance Editor
App: Excel 2021
Purpose: Edit commuter certification by referencing master data

VBA Coding Constraints

Naming Conventions

Module: mod[Domain][Action] (e.g., modReportGenerator, modDataValidation)
Class Module: cls[Noun] (e.g., clsInvoiceParser, clsDbConnection)
Public Procedure: PascalCase (e.g., GenerateMonthlyReport)
Private Procedure: camelCase with prefix (e.g., parseRawData, validateInput)
Constant: UPPER_SNAKE_CASE with scope prefix (e.g., PUB_MAX_RETRY_COUNT, PRV_DEFAULT_PATH)
Variable: Hungarian or semantic naming, but must be consistent across the project

Mandatory Rules

✅ Every module must start with Option Explicit
✅ All Public procedures must have a comment header (description, params, return value, author, date)
✅ On Error Resume Next is completely forbidden. Missing sheet/object should raise error directly via Err.Raise ERR_SHEET_MISSING. Do not suppress errors when checking if a sheet/worksheet/object exists.
✅ Object variables must be explicitly Set obj = Nothing in Finally block or at end of procedure
✅ Long operations must disable ScreenUpdating, Calculation, EnableEvents and restore on exit
✅ Comments must be in English only. No Chinese, Japanese, or Korean characters allowed in any code comments or inline documentation
❌ Forbidden: Select / Selection / ActiveCell. Always reference Range/Worksheet objects directly
❌ Forbidden: hardcoded file paths or connection strings. Use config sheet or constants module
❌ Forbidden: non-English comments (Chinese / Japanese / Korean)

Project Structure

vba/ AGENTS.md, README.md, .gitignore, LICENSE 通勤手当テンプレート2026xxxx.xlsm (latest date version) data/ CSV master data (14 files) documents/ design docs (3 files) sql/ DB definitions (4 files) src/sh/ juk/ address module init_module/Import_modules.bas module/Common_Button.bas tuk/ commuter module init_module/ Import_modules.bas Test_Cache.bas module/ Common_Button.bas (306 lines) Common_Constants.bas Common_File_Utils.bas (347 lines) Common_Functions.bas (486 lines) Common_Global_Cache.bas (586 lines) Common_Selector.bas (161 lines) Common_Shape.bas sheet/ sheet classes (13 files) C1.cls (846 lines) - commuter allowance editor M1.cls (167 lines) - section master M2.cls (400 lines) - section detail master O1.cls (5 lines) - address master O2.cls (6 lines) - sender master (507) O3.cls (61 lines) - master 225 T1.cls (54 lines) - commutation pass master T2.cls (114 lines) - ticket master T3.cls (74 lines) - master 246 Z1.cls (64 lines) - transport master (222) Z2.cls (54 lines) - decision master (223) Z3.cls (57 lines) - monthly amount decision master (224) Z4.cls - master Z4

Sheet class prefixes: C=commuter editing, M=section master, O=other, T=commuter route, Z=master config

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