chore: bump hotdata SDK to 0.3.1 for query 429 retry

Author: zfarrell

CHANGELOG.md

@@ -3,14 +3,15 @@
 ### 🚀 Features
 
 - Follow truncated inline query results to full set
+- Auto-retry queries shed under load (HTTP 429 `OVERLOADED`), honoring `Retry-After`
 
 ### 🐛 Bug Fixes
 
 - Preserve inline warning and timing when following truncation
 
 ### 💼 Other
 
-- Bump hotdata SDK to 0.3.0
+- Bump hotdata SDK to 0.3.1
 ## [0.4.2] - 2026-06-15
 
 ### 📚 Documentation

Cargo.lock

@@ -16,7 +16,7 @@ path = "src/main.rs"
 # behind a shared multi-thread tokio runtime. The `arrow` feature backs result
 # decode; `upload_stream` carries `content_length` (sized body, not chunked, so
 # the server can fast-fail an oversized upload — see src/sdk.rs::Api::upload_stream).
-hotdata = { version = "0.3.0", features = ["arrow"] }
+hotdata = { version = "0.3.1", features = ["arrow"] }
 # Shared multi-thread runtime for the sync wrapper; block_on is called
 # concurrently from rayon worker threads (see src/indexes.rs). `sync` backs the
 # mpsc channel that bridges the blocking upload reader into an async byte stream.