Update multiple markdown files with project guidelines, tasks, and database handling instructions

000_AI_WORKSPACE/testing-engineer/greetings/002_guideline.md

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+# guideline
+
+## principles
+
+- at any time, please keep your answer, solution, explaination simple and short (K.I.S.S. or 大道至簡)
+- please divide the problem into small parts
+- if you found youself cannot understand the problem, please stop and ask how to do
+- if you found youself cannot solve the problem, plesae stop and ask how to do
+- review the whole solution before you reply to user
+- if code syntax is already there, do follow (e.g. naming convention, syntax) the existing code
+- no need to explain the reason until you are told to do so
+- no need to show me the code change, at the end just simple summary in point form is ok
+
+## highlighted project directories and their meanings
+
+- `_ignore_this_directory` please ignore this directory and any files inside it
+
+- `001_documentation` documentation of this project
+- `002_source` source code of this project
+- `002_source/cms` home of Context management system of this project
+- `002_source/ionic_mobile` home of mobile client of this project
+- `002_source/pocketbase` home of pocketbase home directory this project
+- `003_test` e2e test of this project (not yet implemented)
+- `004_marketing` marketing page of this project (not yet implemented)
+- `005_references` opensource refence of this project
+- `006_lab` my test (POC) of this project
+- `README.md` Readme of this project
+- `TODO.md` todo list of this project