feat: establish guidance chain (AGENTS.md, CONTRIBUTING.md, copilot-instructions.md, slim README) #333

Job	Run time
Process-PSModule / Plan / Plan	23s
Process-PSModule / Test-SourceCode / Test-SourceCode (Windows)	51s
Process-PSModule / Lint-Repository / Lint code base	2m 8s
Process-PSModule / Build-Module / Build-Module	16s
Process-PSModule / Test-SourceCode / Test-SourceCode (Linux)	47s
Process-PSModule / Test-SourceCode / Test-SourceCode (macOS)	32s
Process-PSModule / Lint-SourceCode / Lint-SourceCode (Linux)	41s
Process-PSModule / Lint-SourceCode / Lint-SourceCode (Windows)	1m 8s
Process-PSModule / Lint-SourceCode / Lint-SourceCode (macOS)	31s
Process-PSModule / Build-Docs / Build-Docs	2m 14s
Process-PSModule / Test-Module / Test-Module (Linux)	34s
Process-PSModule / Test-Module / Test-Module (Windows)	57s
Process-PSModule / Test-Module / Lint-Module (Windows)	1m 4s
Process-PSModule / Test-Module / Lint-Module (Linux)	45s
Process-PSModule / Test-Module / Lint-Module (macOS)	46s
Process-PSModule / Test-Module / Test-Module (macOS)	34s
Process-PSModule / Test-ModuleLocal / Test-PSModuleTest (macOS)	33s
Process-PSModule / Test-ModuleLocal / Test-PSModuleTest (Linux)	48s
Process-PSModule / Test-ModuleLocal / Test-PSModuleTest (Windows)	2m 4s
Process-PSModule / BeforeAll-ModuleLocal	0s
Process-PSModule / Get-CodeCoverage / Get-CodeCoverage	24s
Process-PSModule / Get-TestResults / Get-TestResults	39s
Process-PSModule / AfterAll-ModuleLocal	-1s
Process-PSModule / Build-Site	0s
Process-PSModule / Publish-Module	-1s
Process-PSModule / Publish-Site	-1s
	18m 36s

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