Merge nucleic/sleek-thistle-egret-fyej into dev

nash-observe/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "nash-observe"
+version = "0.1.0"
+edition = "2021"
+description = "nash-observe — event model, taps, batching, and transport for nash"
+license = "MIT"
+publish = false

nash-observe/src/lib.rs

@@ -0,0 +1,5 @@
+//! nash-observe — event model, redirection/pipe taps, batching, spool, and
+//! transport for nash (see docs/NASH.md §4–§6).
+//!
+//! M0 placeholder: this crate gains the `Gate` implementation (allow-all),
+//! the shell-batch event schema, and the unix-socket HTTP transport in M1.