Bump version to 0.1.14 and cast compatible stream input schemas

Cast compatible Arrow types (e.g., decimal→double, int32→int64) in stream
input instead of rejecting schema mismatches outright.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: rustyconover

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "vgi-rpc"
-version = "0.1.13"
+version = "0.1.14"
 description = "Vector Gateway Interface - RPC framework based on Apache Arrow"
 readme = "README.md"
 requires-python = ">=3.13"

vgi_rpc/rpc/_server.py

@@ -580,7 +580,12 @@ def _serve_stream(
                         input_batch, resolved_cm, release_fn = resolve_shm_batch(input_batch, resolved_cm, shm)
 
                         if input_batch.schema != input_schema:
-                            raise TypeError(f"Input schema mismatch: expected {input_schema}, got {input_batch.schema}")
+                            # Cast compatible types (e.g., decimal→double, int32→int64)
+                            try:
+                                input_batch = input_batch.cast(input_schema)
+                            except (pa.ArrowInvalid, pa.ArrowNotImplementedError, ValueError):
+                                msg = f"Input schema mismatch: expected {input_schema}, got {input_batch.schema}"
+                                raise TypeError(msg) from None
 
                         ab_in = AnnotatedBatch(batch=input_batch, custom_metadata=resolved_cm, _release_fn=release_fn)
                         if prev_input is not None: