Card: mark macOS-only (4B over iPhone memory limit); fix app link to zoo apps/CoreAIImageGen

Remove iOS components (Transformer_512 / VAE *_half): 4B exceeds iPhone memory; macOS-only

Add v0.2 metadata.json descriptor (required by current CoreAIDiffusionPipeline runtime)

add iOS (512/half) component VAEEncoder_half.aimodel

add iOS (512/half) component VAEDecoder_half.aimodel

add iOS (512/half) component Transformer_512.aimodel

FLUX.2 klein 4B: Core AI bundle (macOS, 1024, 4bit)

FLUX.2 klein 4B: Core AI model card

initial commit