chore(release): prepare public source release

crates/common/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "common"
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+authors.workspace = true
+readme.workspace = true
+publish.workspace = true
+description = "Shared CLI runtime helpers for the AI-friendly CLI toolbox."
+keywords.workspace = true
+categories.workspace = true
+
+[lints]
+workspace = true
+
+[dependencies]
+serde.workspace = true
+serde_json.workspace = true
+thiserror.workspace = true
+walkdir.workspace = true
+
+[dev-dependencies]
+tempfile.workspace = true