-- Add is_embedding column to models table
-- Distinguishes embedding models from chat/completion models
ALTER TABLE models ADD COLUMN IF NOT EXISTS is_embedding BOOLEAN NOT NULL DEFAULT FALSE;

-- Add model_type column for future extensibility (chat, embedding, image, audio, etc.)
ALTER TABLE models ADD COLUMN IF NOT EXISTS model_type TEXT NOT NULL DEFAULT 'chat';

-- Index for quick filtering of embedding models
CREATE INDEX IF NOT EXISTS idx_models_is_embedding ON models(is_embedding) WHERE is_embedding = TRUE;
CREATE INDEX IF NOT EXISTS idx_models_model_type ON models(model_type);