Rust

Optimize file I/O tools in llm-coding-tools-core and fix some misc bugs. #395

Job	Run time
Blocking Windows	2m 24s
Blocking macOS	1m 34s
Async macOS	1m 36s
Blocking Linux	47s
Format	7s
Async Linux	1m 29s
Semver Checks (Agents+Models)	7s
Semver Checks (Core Blocking)	32s
Semver Checks (Bubblewrap Async)	8s
Semver Checks (Bubblewrap Blocking)	10s
Async Windows	3m 11s
Semver Checks (Models Blocking)	10s
Semver Checks (Core Async)	16s
Semver Checks (Bubblewrap Base)	13s
Semver Checks (Core Blocking+Linux)	24s
Semver Checks (Serdesai Full)	30s
Semver Checks (Serdesai Full+Linux)	31s
Semver Checks (Core Async+Linux)	15s
publish-crate	0s
	14m 24s

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