Prefix legacy case ids with Teable numbers

[Parker-fi]

Rename ten existing cases to the established <group>/y<number>-<description> format used by Y56, Y57, Y132, Y149, and Y152.

This updates the case files, matching docs, registry imports, internal ids, and documentation references without changing runners, fixtures, or assertions.

Validation:

• pnpm check
• case catalog: 97 cases

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