diff --git a/Cargo.lock b/Cargo.lock
index e0f7a856e..99fafe1cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3184,11 +3184,11 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stella-ansi"
-version = "0.9.419"
+version = "0.9.420"
 
 [[package]]
 name = "stella-autonomy"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "proptest",
  "serde",
@@ -3198,7 +3198,7 @@ dependencies = [
 
 [[package]]
 name = "stella-cli"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "clap",
@@ -3256,7 +3256,7 @@ dependencies = [
 
 [[package]]
 name = "stella-context"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "contextgraph-types",
@@ -3273,7 +3273,7 @@ dependencies = [
 
 [[package]]
 name = "stella-core"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "futures-util",
@@ -3291,7 +3291,7 @@ dependencies = [
 
 [[package]]
 name = "stella-diag"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "proptest",
  "serde",
@@ -3302,14 +3302,14 @@ dependencies = [
 
 [[package]]
 name = "stella-diff"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "serde_json",
 ]
 
 [[package]]
 name = "stella-embed"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "proptest",
@@ -3323,7 +3323,7 @@ dependencies = [
 
 [[package]]
 name = "stella-engine"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "serde",
@@ -3336,7 +3336,7 @@ dependencies = [
 
 [[package]]
 name = "stella-fleet"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "futures-util",
@@ -3357,7 +3357,7 @@ dependencies = [
 
 [[package]]
 name = "stella-graph"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "contextgraph-types",
@@ -3387,11 +3387,11 @@ dependencies = [
 
 [[package]]
 name = "stella-home"
-version = "0.9.419"
+version = "0.9.420"
 
 [[package]]
 name = "stella-learn"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "proptest",
  "serde",
@@ -3401,7 +3401,7 @@ dependencies = [
 
 [[package]]
 name = "stella-mcp"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "base64 0.23.1",
@@ -3423,7 +3423,7 @@ dependencies = [
 
 [[package]]
 name = "stella-model"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "base64 0.23.1",
@@ -3448,7 +3448,7 @@ dependencies = [
 
 [[package]]
 name = "stella-observatory"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "libc",
  "rusqlite",
@@ -3471,7 +3471,7 @@ dependencies = [
 
 [[package]]
 name = "stella-parity"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "stella-core",
  "stella-protocol",
@@ -3480,7 +3480,7 @@ dependencies = [
 
 [[package]]
 name = "stella-plugin"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "proptest",
  "schemars",
@@ -3493,7 +3493,7 @@ dependencies = [
 
 [[package]]
 name = "stella-protocol"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "schemars",
@@ -3506,7 +3506,7 @@ dependencies = [
 
 [[package]]
 name = "stella-records"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "serde",
  "serde_json",
@@ -3520,7 +3520,7 @@ dependencies = [
 
 [[package]]
 name = "stella-runtime"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "futures-util",
@@ -3542,7 +3542,7 @@ dependencies = [
 
 [[package]]
 name = "stella-serve"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "proptest",
@@ -3561,7 +3561,7 @@ dependencies = [
 
 [[package]]
 name = "stella-store"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "base64 0.23.1",
  "libc",
@@ -3579,7 +3579,7 @@ dependencies = [
 
 [[package]]
 name = "stella-time"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "rand 0.10.2",
@@ -3589,7 +3589,7 @@ dependencies = [
 
 [[package]]
 name = "stella-tool-facts"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "proptest",
  "stella-protocol",
@@ -3599,7 +3599,7 @@ dependencies = [
 
 [[package]]
 name = "stella-tools"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "async-trait",
  "futures-util",
@@ -3626,7 +3626,7 @@ dependencies = [
 
 [[package]]
 name = "stella-transcript"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "proptest",
  "serde",
@@ -3646,11 +3646,11 @@ dependencies = [
 
 [[package]]
 name = "stella-tty"
-version = "0.9.419"
+version = "0.9.420"
 
 [[package]]
 name = "stella-tui"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "arboard",
  "crossterm",
@@ -3678,7 +3678,7 @@ dependencies = [
 
 [[package]]
 name = "stella-tui-theme"
-version = "0.9.419"
+version = "0.9.420"
 dependencies = [
  "ratatui",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 6cd9be0b9..267d78293 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,7 +50,7 @@ members = [
 exclude = [".stella-examples"]
 
 [workspace.package]
-version = "0.9.419"
+version = "0.9.420"
 edition = "2024"
 rust-version = "1.90"
 license = "AGPL-3.0-only"
diff --git a/packaging/homebrew/stella.rb b/packaging/homebrew/stella.rb
index 575ffd67c..ce1bdbd54 100644
--- a/packaging/homebrew/stella.rb
+++ b/packaging/homebrew/stella.rb
@@ -16,8 +16,8 @@
 class Stella < Formula
   desc "Fast, BYOK, model-agnostic terminal coding agent"
   homepage "https://github.com/macanderson/stella"
-  url "https://github.com/macanderson/stella.git", tag: "v0.9.419"
-  version "0.9.419"
+  url "https://github.com/macanderson/stella.git", tag: "v0.9.420"
+  version "0.9.420"
   license "AGPL-3.0-only"
   head "https://github.com/macanderson/stella.git", branch: "main"
   depends_on "rust" => :build