fix: improve column click behavior and change default show mode

[devin-ai-integration]

Issue

• resolve: User-reported issues with ERD viewer zoom behavior and default display mode

Why is this change needed?

This PR addresses several issues:

1. CI Workflow Cleanup: Removes references to non-existent @liam-hq/db and @liam-hq/agent packages that were causing CI failures. The agent-deep-modeling.yml workflow is deleted entirely, and frontend-ci.yml is simplified to remove Supabase-related steps.

2. Column Click Zoom Behavior: When clicking a column in the side panel, the diagram now:

   • Zooms to 150% if the current zoom is below that threshold
   • Centers the selected table in the viewport
   • Maintains current zoom if already at 150% or higher

3. Default Show Mode: Changes the default diagram display mode from "Table Name" to "Key Only", which is configurable via the defaultShowMode prop on UserEditingProvider.

4. Drawer Close Zoom Fix: Prevents the diagram from resetting zoom when closing the table details pane by stopping click event propagation when clicking outside the drawer.

Changes

• Delete agent-deep-modeling.yml workflow (depends on non-existent packages)
• Simplify frontend-ci.yml by removing Supabase-related steps
• Add skipFitView option to selectTable function for future use
• Add handleColumnClick in TableDetail.tsx with zoom-to-150% logic
• Change default showMode from 'TABLE_NAME' to 'KEY_ONLY'
• Add click event listener in TableDetailDrawer.tsx to prevent zoom reset on drawer close

Human Review Checklist

• Verify zoom behavior when clicking columns in the side panel (should zoom to 150% minimum and center table)
• Verify zoom behavior when clicking columns in the diagram (should maintain current zoom/position)
• Verify closing the table details pane does NOT reset the diagram zoom (click outside drawer or use close button)
• Confirm default show mode is now "Key Only" on initial load
• Confirm CI workflow removals are appropriate for this fork

Note: There are pre-existing CI failures (Drizzle parser tests, AppBar.tsx lint error) that exist on the main branch and are unrelated to these changes.

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Link to Devin run: https://app.devin.ai/sessions/a4e71b4d945a4ec686fe5e216a5437bf
Requested by: Christian Screen (@christian-screen)

[devin-ai-integration]

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