[NetAppFiles] support 0.5 tib pool

[audunn]

Related command
az netappfiles

Description
Updates az netappfiles to support smaller capacity pool sizes.

Testing Guide

History Notes

[NetAppFiles]: az netappfiles pool create: --size now accepts smaller size pools of value 0.5 to provision 512 GiB minimum pool size; otherwise it must be an integer multiple of 1 TiB.
[NetAppFiles]: az netappfiles pool update: --size now accepts smaller size pools of value 0.5 to provision 512 GiB minimum pool size; otherwise it must be an integer multiple of 1 TiB.
[NetAppFiles] az netappfiles pool create: Added new --size-in-bytes parameter accepting bytes directly (549755813888 for 512 GiB or any positive multiple of 1099511627776 for 1 TiB). --size and --size-in-bytes are mutually exclusive.
[NetAppFiles] az netappfiles pool update: Added new --size-in-bytes parameter accepting bytes directly (549755813888 for 512 GiB or any positive multiple of 1099511627776 for 1 TiB). --size and --size-in-bytes are mutually exclusive.

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[Copilot]

Pull request overview

This PR updates the az netappfiles pool create/update command surface to support the new 512 GiB (0.5 TiB) minimum capacity pool size, adds a --size-in-bytes option, and introduces tests/recordings to validate the new sizing rules and error behavior.

Changes:

• Added pool-size parsing/validation to accept --size as TiB (float) down to 0.5, or --size-in-bytes as bytes; the two are mutually exclusive.
• Augmented service errors for sub-1 TiB pool sizing to include an AFEC feature-registration hint, plus scenario tests and recordings for the new behaviors.
• Updated generated AAZ files (notably volume create default and account create examples).

Reviewed changes

Copilot reviewed 13 out of 15 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/azure-cli/azure/cli/command_modules/netappfiles/custom.py	Implements new --size/--size-in-bytes handling, validation, and AFEC hint augmentation for pool operations.
src/azure-cli/azure/cli/command_modules/netappfiles/tests/latest/test_pool_commands.py	Adds scenario tests for 0.5 TiB sizing, byte sizing, invalid values, and mutual exclusivity.
src/azure-cli/azure/cli/command_modules/netappfiles/tests/latest/recordings/test_pool_parameters.yaml	Updates recordings for existing pool parameter tests.
src/azure-cli/azure/cli/command_modules/netappfiles/tests/latest/recordings/test_get_pool_by_name.yaml	Updates recordings for existing pool show-by-name/id tests.
src/azure-cli/azure/cli/command_modules/netappfiles/tests/latest/recordings/test_create_pool_string_size.yaml	Updates recordings for existing invalid string --size test.
src/azure-cli/azure/cli/command_modules/netappfiles/tests/latest/recordings/test_create_pool_minimum_size.yaml	Adds recording for --size 0.5 pool create behavior.
src/azure-cli/azure/cli/command_modules/netappfiles/tests/latest/recordings/test_create_pool_size_in_bytes.yaml	Adds recording for --size-in-bytes 549755813888 pool create behavior.
src/azure-cli/azure/cli/command_modules/netappfiles/tests/latest/recordings/test_create_pool_invalid_size.yaml	Adds recording for rejecting invalid fractional TiB sizes (e.g., 1.5).
src/azure-cli/azure/cli/command_modules/netappfiles/tests/latest/recordings/test_create_pool_mutually_exclusive_size.yaml	Adds recording for rejecting simultaneous --size and --size-in-bytes.
src/azure-cli/azure/cli/command_modules/netappfiles/aaz/latest/netappfiles/volume/_create.py	Changes the default for --network-features from Basic to Standard.
src/azure-cli/azure/cli/command_modules/netappfiles/aaz/latest/netappfiles/account/_create.py	Updates command docstring examples for CMK + user-assigned identity usage across shells.

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