docs: add platyPS help generation and MAML XML

- generate-help.ps1 script to build markdown stubs and MAML XML
- 81 cmdlet markdown help files in docs/cmdlets/
- PSProxmoxVE.dll-Help.xml (898 KB) for Get-Help support
- PVE_API_COVERAGE.md documenting implemented and missing API areas
- .csproj updated to include help XML in build output
- HelpInfoUri added to module manifest

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/cmdlets/Wait-PveTask.md

@@ -0,0 +1,135 @@
+---
+external help file: PSProxmoxVE.dll-Help.xml
+Module Name: PSProxmoxVE
+online version:
+schema: 2.0.0
+---
+
+# Wait-PveTask
+
+## SYNOPSIS
+{{ Fill in the Synopsis }}
+
+## SYNTAX
+
+```
+Wait-PveTask [-Node] <String> [-Upid] <String> [-Timeout <TimeSpan>] [-PollInterval <TimeSpan>]
+ [-Session <PveSession>] [-ProgressAction <ActionPreference>] [<CommonParameters>]
+```
+
+## DESCRIPTION
+{{ Fill in the Description }}
+
+## EXAMPLES
+
+### Example 1
+```powershell
+PS C:\> {{ Add example code here }}
+```
+
+{{ Add example description here }}
+
+## PARAMETERS
+
+### -Node
+The PVE node name.
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: True
+Position: 0
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -PollInterval
+How often to poll task status.
+
+```yaml
+Type: TimeSpan
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Session
+{{ Fill Session Description }}
+
+```yaml
+Type: PveSession
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Timeout
+Maximum time to wait for the task.
+
+```yaml
+Type: TimeSpan
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Upid
+The task UPID.
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: True
+Position: 1
+Default value: None
+Accept pipeline input: True (ByPropertyName)
+Accept wildcard characters: False
+```
+
+### -ProgressAction
+{{ Fill ProgressAction Description }}
+
+```yaml
+Type: ActionPreference
+Parameter Sets: (All)
+Aliases: proga
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### CommonParameters
+This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).
+
+## INPUTS
+
+### System.String
+## OUTPUTS
+
+### PSProxmoxVE.Core.Models.Vms.PveTask
+## NOTES
+
+## RELATED LINKS