[FEATURE] Giagram Generation through Code

adding a diagram generation through a code would be easier & better in the presence of ai. & can be much helpful

The issue names no files, tests, entry points, supported code format, or completion criteria. Start by reviewing the existing database diagram editor and SQL generator to determine where code-based diagram input would fit, then clarify the intended AI workflow, accepted input, and expected diagram output before implementation.

Written by the indexing model from the issue text.