Add PATCH endpoints for tiers and networks

[kurtnordstrom]

No description provided.

[Copilot]

Pull request overview

This PR adds partial-update (PATCH) support for tiers and networks, including new OpenAPI schema/types, handlers, DB queries, and integration tests to validate update semantics and authorization.

Changes:

• Add PATCH /tiers/{id} and PATCH /networks/{id} endpoints with corresponding OpenAPI TierPatch / NetworkPatch request bodies.
• Implement transactional update handlers that lock the target row (...FOR UPDATE) and apply validated updates via new SQLC queries.
• Add integration tests + API fixtures covering success, validation failures (nulls/invalid enums), not-found, and auth enforcement.

Reviewed changes

Copilot reviewed 11 out of 13 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
api/tiers.go	Implements UpdateTier PATCH handler with validation, row locking, and DB update.
api/networks.go	Implements UpdateNetwork PATCH handler with validation, row locking, and DB update.
query.sql	Adds UpdateTier / UpdateNetwork updates and Get*ForUpdate queries for row locking.
db/query.sql.go	Regenerates SQLC output for new update and FOR UPDATE queries.
api.yaml	Defines PATCH operations and patch schemas for tiers/networks.
api/directory.gen.go	Regenerates server/types to include PATCH routes, request/response types, and patch models/enums.
descriptors/ModuleDescriptor-template.json	Registers PATCH endpoints in the module descriptor.
test/tiers_test.go	Adds integration cases for tier PATCH behavior and permissions.
test/networks_test.go	Adds integration cases for network PATCH behavior and permissions.
test/apifixtures/*patch*.json	Adds request/refetch fixtures used by new PATCH test cases.

Files not reviewed (2)

• api/directory.gen.go: Generated file
• db/query.sql.go: Generated file

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