fix(web): enable JSON_OBJECT type support in console UI

[tomerqodo]

Benchmark PR from agentic-review-benchmarks#2

[augmentcode]

🤖 Augment PR Summary

Summary: Enables JSON_OBJECT input variable support in the web console configuration modal.

Changes:

• Update the JSON schema placeholder to a full object schema (root type: "object" with properties)
• Expose the json_object input type option for non-basic apps (removes the previous support gate)
• Persist/display the entire JSON schema (not just properties) with pretty-printed formatting
• Normalize empty json_schema to undefined when saving
• Validate schema JSON parsing and enforce root schema type is object
• Add i18n strings for new JSON schema validation error messages

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[augmentcode]

Review completed. 1 suggestions posted.

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[augmentcode]

return True will throw/ fail TypeScript (True is not defined in JS/TS), and CodeEditor ignores the callback return value anyway. This should likely be true (lowercase) or removed entirely to avoid breaking JSON schema editing.

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