- Remove deprecated AIPROMT.md file and migrate content to .junie/guidelines.md for better organization.

- Add unit tests to enhance validation for `DateTimeBasic` with trailing data scenarios.

Author: georgedeploy

AIPROMT.md .junie/guidelines.mdAIPROMT.md renamed to .junie/guidelines.md

@@ -18,12 +18,12 @@
 - keep code clean and readable
 - PSALM v6 static analysis is used
 
-## Folder structure 
+## Folder structure
 
 - `src/Code` folder contains the framework internal code
-- other folders like `src/"type"` contains specific types 
+- other folders like `src/"type"` contains specific types
 - `src/psalmTest.php` contains types usage to avoid Psalm issues like `unused method`
-- `src/Code/Assert/Assert.php` contains `assert` methods, add new methods instead of checking conditions directly in classes. Prefer to use Assert::"methos()". 
+- `src/Code/Assert/Assert.php` contains `assert` methods, add new methods instead of checking conditions directly in classes. Prefer to use Assert::"methos()".
 
 ## Tests
 
@@ -32,7 +32,7 @@
 - use PEST syntax `it` instead of `test`
 - keep the folder structure as tested src files
 - test coverage should be 100%
-- mutation tests used, avoid fails 
+- mutation tests used, avoid fails
 
 ## Documentation
 

tests/Unit/Code/DateTime/DateTimeTypeTest.php

@@ -67,6 +67,18 @@
         ->toThrow(DateTimeTypeException::class);
 });
 
+it('rejects DATE_ATOM with trailing data (warnings from createFromFormat)', function (): void {
+    // Matches DATE_ATOM except for trailing junk which should produce warnings; must be rejected
+    expect(fn() => DateTimeBasic::fromString('2025-01-02T03:04:05+00:00junk'))
+        ->toThrow(DateTimeTypeException::class);
+});
+
+it('rejects Z-format with trailing data (warnings from createFromFormat)', function (): void {
+    // Matches explicit Z format with extra trailing characters; must be rejected
+    expect(fn() => DateTimeBasic::fromString('2025-01-02T03:04:05Zjunk'))
+        ->toThrow(DateTimeTypeException::class);
+});
+
 it('normalizes Zulu input to +00:00 via toString()', function (): void {
     // Parsed by the explicit 'Y-m-d\\TH:i:s\\Z' format, toString should output DATE_ATOM with +00:00
     $vo = DateTimeBasic::fromString('2025-01-02T03:04:05Z');