pi-linkup: v0.4.0

Minor Changes

• 052fc2b: Add fast mode support to linkup_web_search tool. The depth parameter now accepts “fast”, “standard”, or “deep” modes:
  • fast: Sub-second latency using pre-indexed atoms of information
  • standard: Single iteration retrieval, balanced speed/depth (default)
  • deep: Up to 10 iterations with chain-of-thought reasoning

Patch Changes

• a238ba7: Add User-Agent header to all Linkup API requests for attribution.