chore: Bump version to 0.1.5

- Fix orphaned tool_use error by tracking skip state per call_id
- Handle retries with same call_id correctly
- Add comprehensive debug logging for troubleshooting

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

llmx-rs/Cargo.toml

@@ -43,7 +43,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.1.4"
+version = "0.1.5"
 # Track the edition for all workspace crates in one place. Individual
 # crates can still override this value, but keeping it here means new
 # crates created with `cargo new -w ...` automatically inherit the 2024
@@ -191,7 +191,7 @@ tokio-util = "0.7.16"
 toml = "0.9.5"
 toml_edit = "0.23.4"
 tonic = "0.13.1"
-tracing = "0.1.41"
+tracing = "0.1.51"
 tracing-appender = "0.2.3"
 tracing-subscriber = "0.3.20"
 tracing-test = "0.2.5"