Cardano Updates

Leios mini-protocols (LeiosFetch, LeiosNotify) were unconditionally
registered on all connections. Non-Leios peers (e.g. cardano-node)
reject the unknown MiniProtocolNum 10 with a muxer error and
immediately reset the connection.

Signed-off-by: Wayne Cat <[email protected]>
Signed-off-by: wcatz <[email protected]>

Full rewrite of the frontend: grid-based page layout (no hardcoded
heights), polished dark theme with Inter + JetBrains Mono fonts,
organized toolbar with integrated input labels, glowing stat
indicators, fixed table columns, custom scrollbars, and default
limit increased to 10000.

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Standalone scripts for reading Mithril LMDB snapshots via Bun FFI
and streaming UTxO data to browser clients for node bootstrapping.

- lmdb-ffi.ts: Bun FFI bindings to liblmdb (dlopen, zero-copy)
- dump-lmdb-utxo.ts: Extract UTxOs from LMDB snapshots to NDJSON
- decode-tvar.ts: Streaming CBOR reader for Cardano tvar files
- mithril-stream-server.ts: NDJSON HTTP streaming server (port 3040)
- bootstrap-explorer.html: Browser UI for visualizing streamed UTxO data
- lmdb-ffi.test.ts: 13 unit tests for FFI layer
- lmdb-dump.c: Legacy C binary (reference only, superseded by FFI)

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Add `mkPlutusTxInfoFromResult` and `toPlutusTxInfoForPurpose` helpers to
aid in using this nested complexity.

Adequate conformance to Version restriction (#5595)

Add `mkPlutusTxInfoFromResult` and `toPlutusTxInfoForPurpose` helpers to
aid in using this nested complexity.