Align object template names with directory names

[adulau]

Motivation

• Ensure the top-level "name" value in each object template exactly matches its containing directory slug to avoid tooling and lookup inconsistencies.

Description

• Updated the top-level name field in six templates so the value exactly matches the directory name: objects/diamond, objects/generalizing-persuasion-framework, objects/nse-script, objects/persnona, objects/rulezet-metadata, and objects/taranis-news-item.
• Only the name string values were changed; no other schema attributes or structure were modified.

Testing

• Ran a repository-wide Python check that compares each objects/<dir>/definition.json name against its directory and the script returned no mismatches, indicating success.
• Used rg -n '"name"' to inspect the updated files and confirm the new name values are present.

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Codex Task