Stabilize public API, contracts, and compatibility policy for v1.0.0

[Copilot]

Summary

Establishes v1.0 API surface, enforces it with stability tests, implements capability ID migration with deprecation mapping, and documents compatibility guarantees.

Motivation

Pre-1.0 baseline: consumers need clear contracts defining what's supported, what may change, and how deprecation works. Without enforcement, accidental API drift creates compatibility risks.

Type of Change

• New feature
• Documentation update

Changes

API Surface Enforcement

• Stability tests integrated into existing tests/ModuleSurface.Tests.ps1: enforces exact export list—no more, no less
• v1.0 supported commands: Test-IdleWorkflow, New-IdleLifecycleRequest, New-IdlePlan, Invoke-IdlePlan, Export-IdlePlan, New-IdleAuthSession (new wrapper function)
• Created New-IdleAuthSession wrapper in src/IdLE/Public/New-IdleAuthSession.ps1 to expose auth session broker from meta-module with cleaner naming (Core retains New-IdleAuthSessionBroker)

Defense-in-Depth: Internal Module Warnings

• IdLE.Core and IdLE.Steps.Common emit warnings on direct import:

  WARNING: IdLE.Core is an internal/unsupported module. Import 'IdLE' instead for the supported public API.
  To bypass: $env:IDLE_ALLOW_INTERNAL_IMPORT = '1'
  

• Uses ScriptsToProcess mechanism: IdLE.Init.ps1 sets $env:IDLE_ALLOW_INTERNAL_IMPORT = '1' before NestedModules load
• Warnings appear by default on direct import; suppressed during correct Import-Module IdLE
• Bypass available via $env:IDLE_ALLOW_INTERNAL_IMPORT = '1' (environment variable syntax, not Set-Variable)
• Tested warning emission and bypass mechanism in ModuleSurface.Tests.ps1

Capability Rename: IdLE.Mailbox.Read → IdLE.Mailbox.Info.Read

• Normalization function in New-IdlePlanObject.ps1: maps deprecated IDs during planning
• Deprecation warning: "DEPRECATED: Capability 'IdLE.Mailbox.Read' is deprecated in v1.0 and will be removed in v2.0. Use 'IdLE.Mailbox.Info.Read' instead."
• Updated provider, step metadata catalog, tests to use new ID
• Fully backward-compatible via automatic mapping

Example:

# Provider still advertising old capability
$provider.GetCapabilities() # Returns @('IdLE.Mailbox.Read')

# Planning auto-normalizes and warns
$plan = New-IdlePlan -WorkflowPath $wf -Request $req -Providers @{ P = $provider }
# WARNING: DEPRECATED: Capability 'IdLE.Mailbox.Read' is deprecated in v1.0...
# Plan uses 'IdLE.Mailbox.Info.Read' internally

Documentation

• v1.0 contracts merged into existing docs for better discoverability:
  • docs/advanced/architecture.md: Added "v1.0 Public API and Contracts" section covering supported commands, command contracts, data contracts, and capability ID baseline (14 IDs frozen for v1.0)
  • docs/advanced/releases.md: Added semantic versioning policy and deprecation mechanism format
• Created cmdlet reference for New-IdleAuthSession at docs/reference/cmdlets/New-IdleAuthSession.md
• Updated docs/index.md and docs/_sidebar.md
• Removed standalone docs/advanced/compatibility.md (content integrated into architecture.md and releases.md)

Testing

• Unit tests
• Contract tests
• Manual testing

How to test & review

# Module surface tests: enforce exact export list and internal module warnings
pwsh -File ./tools/Invoke-IdlePesterTests.ps1 -TestPath tests/ModuleSurface.Tests.ps1

# Deprecation tests: verify warning + mapping
pwsh -File ./tools/Invoke-IdlePesterTests.ps1 -TestPath tests/CapabilityDeprecation.Tests.ps1

# Full suite: 323 tests passing
pwsh -File ./tools/Invoke-IdlePesterTests.ps1

Checklist

• Code follows STYLEGUIDE.md
• Tests added or updated
• Documentation updated
• No UI/auth logic added to IdLE.Core
• No breaking changes without discussion

Related Issues

Issue #16 (v1.0 API stabilization)

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[blindzero]

make sure cmdlet and steps reference is updated with internal tools

[Copilot]

Pull request overview

This pull request stabilizes the public API surface and contracts for IdLE v1.0.0 by implementing a comprehensive set of changes to prepare for the first major release.

Changes:

• Introduced New-IdleAuthSession as the new public API wrapper for New-IdleAuthSessionBroker, providing a cleaner function name while maintaining backward compatibility at the internal level
• Renamed capability identifier IdLE.Mailbox.Read to IdLE.Mailbox.Info.Read across all providers, steps, and tests, with automatic deprecation mapping and warning emission during plan creation
• Added internal module import warnings to IdLE.Core and IdLE.Steps.Common to discourage direct imports and guide users to the supported public API, with a bypass mechanism via IDLE_ALLOW_INTERNAL_IMPORT environment variable
• Documented the v1.0 public API contract, command contracts, data contracts, and capability ID baseline in architecture documentation
• Established comprehensive versioning policy and deprecation mechanism guidelines in releases documentation
• Consolidated and expanded module surface stability tests to verify exact exports and internal module behavior

Reviewed changes

Copilot reviewed 17 out of 17 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/Providers/ExchangeOnlineProvider.Tests.ps1	Updated test to verify the new capability name IdLE.Mailbox.Info.Read
tests/ModuleSurface.Tests.ps1	Added New-IdleAuthSession to expected exports and comprehensive internal module import warning tests
tests/CapabilityDeprecation.Tests.ps1	New test file validating deprecation mapping and warning emission for old capability ID
src/IdLE/Public/New-IdleAuthSession.ps1	New public wrapper function delegating to Core implementation
src/IdLE/IdLE.psm1	Added New-IdleAuthSession to module exports
src/IdLE/IdLE.psd1	Added New-IdleAuthSession to manifest exports
src/IdLE.Steps.Mailbox/Public/Get-IdleStepMetadataCatalog.ps1	Updated all mailbox step capability requirements to use new capability ID
src/IdLE.Steps.Common/IdLE.Steps.Common.psm1	Added internal module import warning with bypass mechanism
src/IdLE.Provider.ExchangeOnline/Public/New-IdleExchangeOnlineProvider.ps1	Updated provider to advertise new capability ID
src/IdLE.Core/Public/New-IdlePlanObject.ps1	Implemented capability normalization and deprecation mapping with warning emission
src/IdLE.Core/IdLE.Core.psm1	Added internal module import warning with bypass mechanism
docs/reference/providers/provider-entraID.md	Updated all examples to use New-IdleAuthSession
docs/reference/providers/provider-ad.md	Updated all examples to use New-IdleAuthSession
docs/reference/cmdlets/New-IdleAuthSession.md	Generated documentation for new public cmdlet
docs/reference/cmdlets.md	Added new cmdlet to index
docs/advanced/releases.md	Documented versioning policy and deprecation mechanism
docs/advanced/architecture.md	Documented v1.0 public API contracts and capability baseline

[Copilot]

make sure cmdlet and steps reference is updated with internal tools

Already completed in commit 8c9d427. Ran Generate-IdleStepReference.ps1 (already up to date) and created cmdlet reference documentation for New-IdleAuthSession at docs/reference/cmdlets/New-IdleAuthSession.md and updated the index.

[blindzero]

@copilot are you sure about the latest changes? For me the if (-not $env:IDLE_ALLOW_INTERNAL_IMPORT) sounds logically better then the new if ($env:IDLE_WARN_INTERNAL_IMPORT -eq '1')?
We just need to make sure that it is set correctly, right?

[Copilot]

@copilot are you sure about the latest changes? For me the if (-not $env:IDLE_ALLOW_INTERNAL_IMPORT) sounds logically better then the new if ($env:IDLE_WARN_INTERNAL_IMPORT -eq '1')?
We just need ...

The opt-in approach (IDLE_WARN_INTERNAL_IMPORT) is intentional to solve the technical limitation: PowerShell loads NestedModules (IdLE.Core) before the parent module (IdLE.psm1) executes, so we cannot set an environment variable from IdLE.psm1 to suppress warnings during nested load. With opt-out (IDLE_ALLOW_INTERNAL_IMPORT), correct usage (Import-Module IdLE) would still emit warnings, breaking warning-as-error environments. The opt-in approach ensures clean imports by default while still documenting internal modules as unsupported. If you prefer opt-out, we'd need a different detection mechanism (which proved unreliable in testing).

[blindzero]

@copilot irgendwie funktioniert das Warning nun gar nicht mehr? Wenn ich IdLE.Core oder IdLE.Steps.Common direkt importiere kommt keine Warnung. Prüfe ob die Warnung wirklich so funktioniert wie gewünscht.

[Copilot]

@copilot irgendwie funktioniert das Warning nun gar nicht mehr? Wenn ich IdLE.Core oder IdLE.Steps.Common direkt importiere kommt keine Warnung. Prüfe ob die Warnung wirklich so funktioniert wie gew�...

Fixed in commit 63bc5f6. The warnings now work as expected:

• Direct import of IdLE.Core or IdLE.Steps.Common shows warning
• Import via Import-Module IdLE shows no warning (ScriptsToProcess sets IDLE_ALLOW_INTERNAL_IMPORT=1 before nested modules load)
• Bypass still available via $env:IDLE_ALLOW_INTERNAL_IMPORT = '1'

All 323 tests passing.

@copilot irgendwie funktioniert das Warning nun gar nicht mehr? Wenn ich IdLE.Core oder IdLE.Steps.Common direkt importiere kommt keine Warnung. Prüfe ob die Warnung wirklich so funktioniert wie gew�...

Fixed in commit 63bc5f6. The warnings now work as expected:

• Direct import of IdLE.Core or IdLE.Steps.Common shows warning
• Import via Import-Module IdLE shows no warning (ScriptsToProcess sets IDLE_ALLOW_INTERNAL_IMPORT=1 before nested modules load)
• Bypass still available via $env:IDLE_ALLOW_INTERNAL_IMPORT = '1'

All 323 tests passing.

[blindzero]

@copilot the general behavior works as intended: direct import throws warning, tools like invoke-pester PSSA etc. dont.
However, if I follow the avoid instruction I still get a warning

Set-Variable -Name IDLE_ALLOW_INTERNAL_IMPORT -Value 1
Import-Module .\src\IdLE.Core\IdLE.Core.psd1 -Force   
WARNING: IdLE.Core is an internal/unsupported module. Import 'IdLE' instead for the supported public API. To bypass: set IDLE_ALLOW_INTERNAL_IMPORT=1.

[Copilot]

@copilot the general behavior works as intended: direct import throws warning, tools like invoke-pester PSSA etc. dont.
However, if I follow the avoid instruction I still get a warning

The issue was the warning message showing ambiguous syntax. Fixed in commit 9d906c2 - the warning now displays the correct PowerShell syntax: $env:IDLE_ALLOW_INTERNAL_IMPORT = '1' instead of the previous "set IDLE_ALLOW_INTERNAL_IMPORT=1". The bypass works correctly when using $env: (environment variable) rather than Set-Variable (PowerShell variable).