feat: App/Chat tab split, Spotter Viz dual stories, Custom vertical, bug fixes

fix: skip UNIQUE/FK constraints in DDL parser; restrict prompt log + user mgmt to admins

fix: remove prompt_logger global singleton — per-session logger throughout

feat: March 2026 sprint — new vision merge, pipeline improvements, settings refactor

fix: add calendar property to date columns in model TML

fix: remove invalid sage_config from model TML, fix KEY column types

feat: login system, admin settings in Supabase, auth simplification

feat: replace Spotter Viz method with Spotter Viz Story tab output

feat: add Spotter Viz as second liveboard creation method

feat: wire vertical×function system into chat_interface.py pipeline

Feb sprint: vertical×function matrix, structured outliers, unified prompts

MCP bearer auth, HYBRID liveboards, universal context prompts

Fix: Add quoted schema name in USE SCHEMA command for population scripts

Features: Add tag support, improve error handling, MCP improvements

Fix model selection to respect user choice

Fix MCP liveboard creation and add improvement analysis

Fix chat interface: Enter key, DDL display, and pre-filled responses

feat: Major Liveboard creator enhancements and testing improvements

feat: Improve Liveboard creation, add outlier documentation, and fix table join updates

feat: Sprint Phase 1 - Settings UI, Cleanup Tools, Liveboard & Model modules

feat: Sprint 2 - Demo Notes tab and hardcoded schema cleanup

feat: initial commit - Demo Wire AI-powered demo builder