chore(release): promote 1.4.0-rc.1 to 1.4.0 (#7957)

* chore(release): promote 1.4.0-rc.1 to 1.4.0

* chore(deps): update yanked chacha20 lock entry

CHANGELOG.md

@@ -7,10 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [1.4.0-rc.1] - 2026-08-26
+## [1.4.0] - 2026-08-27
 
-First release candidate for 1.4.0, covering the 81 commits since
-`ironclaw-v1.3.0`.
+Stable promotion of `1.4.0-rc.1`, covering the 81 commits since
+`ironclaw-v1.3.0` and the complete release-candidate scope below.
 
 ### Added
 

Cargo.lock

@@ -1402,9 +1402,9 @@ checksum = "f079e83a288787bcd14a6aea84cee5c87a67c5a3e660c30f557a3d24761b3527"
 
 [[package]]
 name = "chacha20"
-version = "0.10.1"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d524456ba66e72eb8b115ff89e01e497f8e6d11d78b70b1aa13c0fbd97540a81"
+checksum = "65c35e4b699c7e15ccbe7ee35c005e4fc0a278d22238a2857e6ce2dadeda1b06"
 dependencies = [
  "cfg-if",
  "cpufeatures 0.3.0",
@@ -3684,7 +3684,7 @@ checksum = "6a756c3fac73139e83f14c2d742155dd2b78d3ee56597b419a0579b7bdd6dd78"
 
 [[package]]
 name = "ironclaw"
-version = "1.4.0-rc.1"
+version = "1.4.0"
 dependencies = [
  "anyhow",
  "async-trait",

crates/app/ironclaw_cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ironclaw"
-version = "1.4.0-rc.1"
+version = "1.4.0"
 edition = "2024"
 rust-version.workspace = true
 description = "Secure personal AI assistant that protects your data and expands its capabilities on the fly"