[freeqaz]

Problem

A mutation sweep of #3597's Create Agent name mark (create.mts) and #3598's revision marks (detail.mts, list.mts, and the OCC revision list's deploymentStatus / deploymentErrorCode) left these changes uncaught:

• Any 409 counts as a taken name. The preflight, provisioning admission and Agent create each mark the name field only for the API's taken-name sentence. Treating every 409 as taken survived on all three paths, so another conflict would put "Another Agent in this Namespace has this name." under the field. On the admission path it would also unlock a plan that the API may still hold.
• A page that stops before the last revision drops the outcomes. listRevisions returns early when a page fills, and that path is a separate return. Every test listed all revisions on one page, so null outcomes on that path survived. On an Agent with more versions than one page holds, the console would lose the Failed mark after a reload.

The rest was killed or is equivalent.

Change

Test only:

• tests/browser/console-create-agent-provisioning-400.test.mjs: the first provisioning admission answers a plain 409. The name field stays unmarked, and the real taken-name 409 follows.
• tests/browser/console-agents-2.test.ts: the preflight answers a 409 with another conflict, and the field stays unmarked. Agent create's other 409 also leaves the field unmarked.
• tests/integration/postgres-worker-agent-revision.test.mjs: the superseded-retry test lists one revision per page and checks both outcomes and the cursor.

The faked answers use apiErrorResponse (#3615).

Verification

• Each new assertion fails against its mutant and passes on main. The survivors were rechecked against 23 Create Agent browser files, and none caught them.
• On a remote test VM: the two browser tests pass 20/20 at 2 CPUs in a private network namespace, and the revision test passes 20/20 against a prepared postgres-application database. tsc, prettier and eslint pass.

Equivalent:

• Focusing the field while it is disabled: the form is enabled again before the focus runs.
• Marking after the Agent was saved: that path sends no Agent create.

Risks

Test only. It adds about 2 s across three files.

[clawsweeper]

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ClawSweeper status: review started.

I am starting a fresh review of this pull request: test(console): mark the agent name only for the taken-name sentence and list paged revision outcomes This is item 1/1 in the current shard. Shard 0/1.

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