feat: add IPAddress attribute kind support [INFP-551]

[PhillSimonds]

Summary

Adds SDK support for the new IPAddress attribute kind (bare IP address, no netmask/prefix), alongside the existing IPHost and IPNetwork kinds. Part of the cross-stack work for Infrahub INFP-551 (targets the Infrahub 1.11 cycle).

Kind	Python mapping	Value type	Stores
IPAddress (new)	ipaddress.ip_address	IPv4Address | IPv6Address	bare 192.0.2.1
IPHost	ipaddress.ip_interface	IPv4Interface | IPv6Interface	192.0.2.1/24
IPNetwork	ipaddress.ip_network	IPv4Network | IPv6Network	192.0.2.0/24

Changes

• protocols_base.py: new IPAddress / IPAddressOptional attribute types.
• protocols_generator/constants.py: ATTRIBUTE_KIND_MAP entry.
• schema/main.py: AttributeKind.IPADDRESS.
• node/attribute.py + node/constants.py: parse via ipaddress.ip_address; serialize bare addresses with str() (no with_prefixlen).
• protocols_generator/template.j2: import the new types so generated protocols reference them.
• Unit tests for input-data serialization and deserialization (async + sync).

Testing

• uv run pytest tests/unit/sdk/test_node.py — 228 passed.
• ruff + mypy clean on changed files.
• Verified end-to-end against a live Infrahub instance built from the matching backend branch: client.get(...) returns a bare IPv4Address/IPv6Address for an IPAddress attribute, while IPHost/IPNetwork still return prefixed interface/network objects.

Notes

Base branch is infrahub-develop (the branch the Infrahub develop submodule tracks). The Infrahub-side PR bumps the python_sdk submodule pointer only after this merges.

🤖 Generated with Claude Code

---

Summary by cubic

Adds SDK support for a new IPAddress attribute kind to store and return bare IPv4/IPv6 addresses without a prefix. This fulfills INFP-551 by enabling schemas to validate and serialize plain IPs without the implicit /32 or /128.

• New Features
  • Added AttributeKind.IPADDRESS and mapping in protocol generator.
  • Introduced IPAddress and IPAddressOptional protocol types (ipaddress.IPv4Address | IPv6Address).
  • Parse with ipaddress.ip_address; serialize as a bare string (no prefix). IPHost/IPNetwork behavior unchanged.
  • Updated node attribute parsing and GraphQL payload generation to handle bare IPs.
  • Added unit tests for sync/async serialization and deserialization.

^{Written for commit 7997dd3. Summary will update on new commits.}

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@                 Coverage Diff                  @@
##           infrahub-develop    #1190      +/-   ##
====================================================
+ Coverage             83.03%   83.12%   +0.08%     
====================================================
  Files                   139      139              
  Lines                 12365    12413      +48     
  Branches               1846     1851       +5     
====================================================
+ Hits                  10267    10318      +51     
+ Misses                 1531     1528       -3     
  Partials                567      567              

Flag	Coverage Δ
integration-tests	40.36% <25.00%> (-0.15%)	⬇️
python-3.10	56.96% <41.66%> (+0.01%)	⬆️
python-3.11	56.98% <41.66%> (+0.02%)	⬆️
python-3.12	56.98% <41.66%> (+0.02%)	⬆️
python-3.13	56.96% <41.66%> (+0.01%)	⬆️
python-3.14	56.96% <41.66%> (+0.02%)	⬆️
python-filler-3.12	22.41% <58.33%> (+0.09%)	⬆️

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Files with missing lines	Coverage Δ
infrahub_sdk/node/attribute.py	100.00% <100.00%> (ø)
infrahub_sdk/node/constants.py	100.00% <100.00%> (ø)
infrahub_sdk/protocols_base.py	78.29% <100.00%> (+0.69%)	⬆️
infrahub_sdk/protocols_generator/constants.py	100.00% <ø> (ø)
infrahub_sdk/schema/main.py	91.11% <100.00%> (+0.02%)	⬆️

... and 2 files with indirect coverage changes

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[cubic-dev-ai]

No issues found across 9 files

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