Greenfield: Implement direct KRM types, identity, and generate.sh for DiscoveryEngineSchema

[neumann-coder-bot]

BRIEF Change description

Greenfield: Implement direct KRM types, identity, reference, and generate.sh for DiscoveryEngineSchema.

Fixes #12017

WHY do we need this change?

Adds Greenfield direct KRM types and CRD for DiscoveryEngineSchema.

Special notes for your reviewer:

This PR was generated by the overseer,step/gen-types,greenfield,overseer/review agent (powered by the gemini-3.7-flash model).

Does this PR add something which needs to be 'release noted'?

NONE

Additional documentation e.g., references, usage docs, etc.:

Tests you have done

• Run make ready-pr to ensure this PR is ready for review.
• Perform necessary E2E testing for changed resources.

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[APPROVALNOTIFIER] This PR is NOT APPROVED

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[argus-watcher-bot]

🤖 AI Factory started investigating CI check failures for this pull request.

Note: We recommend waiting for the 'ready-for-human' label before leaving review comments. Comments added while the system is actively working may be associated with outdated commits once a new commit is pushed, causing them to be ignored.

[neumann-coder-bot]

Investigating Validate PR Release Note failure

Run: 36106472257
Name: Validate PR Release Note
Cause: Code Error
Details: The PR description was missing the required release-note block.
Action Taken: Updated the PR description with the template release-note block set to NONE.

Investigating validate-fmt failure

Run: 36106472348
Name: validate-fmt
Cause: Code Error
Details: pkg/controller/resourceconfig/static_config.go was not properly formatted according to gofmt.
Action Taken: Ran make fmt, formatted pkg/controller/resourceconfig/static_config.go, amended the commit, and pushed the updated branch.

(This report was generated by overseer)

[argus-watcher-bot]

🤖 AI Factory started investigating CI check failures for this pull request.

Note: We recommend waiting for the 'ready-for-human' label before leaving review comments. Comments added while the system is actively working may be associated with outdated commits once a new commit is pushed, causing them to be ignored.

[neumann-coder-bot]

Investigating unit-tests-2-of-4 failure

Run: 36111177853
Name: unit-tests-2-of-4
Cause: Test Failure
Details: TestCRDFieldPresenceInTestsForAlpha failed due to an unexpected diff in tests/apichecks/testdata/exceptions/alpha-missingfields.txt for the new DiscoveryEngineSchema CRD field (.spec.structSchema).
Action Taken: Updated tests/apichecks/testdata/exceptions/alpha-missingfields.txt, amended the commit, and pushed the updated branch.

(This report was generated by overseer)

[argus-watcher-bot]

🤖 AI Factory started investigating CI check failures for this pull request.

Note: We recommend waiting for the 'ready-for-human' label before leaving review comments. Comments added while the system is actively working may be associated with outdated commits once a new commit is pushed, causing them to be ignored.

[neumann-coder-bot]

Investigating tests-e2e-fixtures-networksecurity failure

Run: 36120089096
Name: tests-e2e-fixtures-networksecurity
Cause: Flake
Details: The e2e fixture test urllist-maximal failed due to an unexpected diff in HTTP calls (google.cloud.networksecurity.v1.NetworkSecurity/GetUrlList: mismatched number of HTTP calls: want 4, got 3), which is a timing/poll flake unrelated to the changes in this PR (DiscoveryEngineSchema).
Action Taken: Triggered a rerun of the failed workflow job (gh run rerun 36120089096 --failed).

(This report was generated by overseer)

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🤖 AI Factory started reviewing this pull request in a sandbox.

[reviewbot-robot]

KCC Auto-Review Results

• Trigger criteria matched: Yes
• API Version Check: Pass - Types are placed in apis/discoveryengine/v1alpha1/ and CRD version is v1alpha1.
• Go Type Pointers: Pass - All scalar primitive fields (Location, JsonSchema, ResourceID, ObservedGeneration, ExternalRef) are properly defined as pointers.
• Completeness & Heuristics: Pass - Fields from google.cloud.discoveryengine.v1.Schema (struct_schema, json_schema, name) are correctly mapped to Spec and Identity.
• 1:1 Kind to Proto Mapping: Pass - DiscoveryEngineSchema maps 1:1 to google.cloud.discoveryengine.v1.Schema.
• References/Identity: Pass - Resource references (ProjectRef, DataStoreRef) and IdentityV2 implementation follow established patterns and conventions.
• Exception Files: Pass - Only tests/apichecks/testdata/exceptions/alpha-missingfields.txt was modified.

Detailed Findings / Actions Required:

None. All checks passed.

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🤖 AI Factory started addressing review feedback for this pull request.

[neumann-coder-bot]

Thank you for the review! All auto-review checks and presubmit CI tests have passed with no further actions required.

(This comment was generated by overseer)

[argus-watcher-bot]

🤖 AI Factory started resolving merge conflicts / rebasing this pull request in a sandbox.

Note: We recommend waiting for the 'ready-for-human' label before leaving review comments. Comments added while the system is actively working may be associated with outdated commits once a new commit is pushed, causing them to be ignored.