Updates to use the cthulhu name with out the go suffix.

README.md

@@ -1,6 +1,6 @@
 # Cthulhu Tentacles
 
-A repository of experimental Tentacles for Cthulhu-Go, maintained by Storm
+A repository of experimental Tentacles for Cthulhu, maintained by Storm
 Dragon. It contains [Hello World](hello-world/README.md) and the development
 [Wormhole tentacle](wormhole/README.md).
 Repository material and both Tentacles are licensed under GPL-3.0-or-later; see
@@ -28,7 +28,7 @@ To write your own, follow the [creation and release tutorial](#create-and-releas
 
 ## Build and check
 
-Keep the matching experimental `cthulhu-go` checkout beside this directory.
+Keep the matching experimental `cthulhu` checkout beside this directory.
 The `go.mod` local replacement uses its Go SDK, including the new
 uninterruptible presentation option. Building requires Go 1.24 or newer;
 checks also require Python 3.11 or newer and Make.
@@ -41,7 +41,7 @@ make check
 The executables are `hello-world/bin/hello-world` and
 `wormhole/bin/wormhole-tentacle`; both are ignored by Git.
 Checks validate the TOML metadata, registration and suggested bindings, and
-invoke both Tentacles through the actual Cthulhu-Go host. They produce no speech
+invoke both Tentacles through the actual Cthulhu host. They produce no speech
 or Braille and leave the running reader alone.
 
 ## Repository installation
@@ -81,12 +81,12 @@ module metadata, trim paths and omit VCS stamping. To build one architecture:
 python3 -B tools/package.py --architecture amd64
 ```
 
-Validate the actual host-architecture package through Cthulhu-Go's installer
+Validate the actual host-architecture package through Cthulhu's installer
 and command host, without changing the running reader:
 
 ```sh
-cd ../cthulhu-go
-CTHULHU_TENTACLE_RELEASE_ROOT=../cthulhu-tentacles GOCACHE=/tmp/cthulhu-go-cache go test ./internal/tentacle -run '^TestBuiltHelloWorldPackageThroughHost$' -count=1 -v
+cd ../cthulhu
+CTHULHU_TENTACLE_RELEASE_ROOT=../cthulhu-tentacles GOCACHE=/tmp/cthulhu-cache go test ./internal/tentacle -run '^TestBuiltHelloWorldPackageThroughHost$' -count=1 -v
 ```
 
 Before publication, review both repositories' changes and contributing guides.
@@ -111,7 +111,7 @@ testing, the development launch procedure remains in
 
 This tutorial creates a native Go Tentacle named **Greeting**, then makes it
 installable from a repository. The SDK and package format are experimental;
-use a matching Cthulhu-Go checkout. Currently the installer supports native Linux
+use a matching Cthulhu checkout. Currently the installer supports native Linux
 executables, protocol 1.0, command registration and optional presentation access.
 Python SDK development is separate from this native package workflow. Broader
 APIs and automatic package updates are still pending.
@@ -119,7 +119,7 @@ APIs and automatic package updates are still pending.
 ### 1. Set up the source repository
 
 You need Go 1.24 or newer, Git, Python 3.11 or newer for this repository's checks,
-GNU tar and gzip. Keep your new repository beside `cthulhu-go`. From their parent
+GNU tar and gzip. Keep your new repository beside `cthulhu`. From their parent
 directory:
 
 ```sh
@@ -150,9 +150,9 @@ module example.org/greeting-tentacles
 
 go 1.24.0
 
-require git.stormux.org/storm/cthulhu-go v0.0.0
+require git.stormux.org/storm/cthulhu v0.0.0
 
-replace git.stormux.org/storm/cthulhu-go => ../cthulhu-go
+replace git.stormux.org/storm/cthulhu => ../cthulhu
 ```
 
 The SDK import path names its source project; it does not constrain where you
@@ -236,7 +236,7 @@ import (
     "encoding/json"
     "os"
 
-    "git.stormux.org/storm/cthulhu-go/sdk/go/tentacle"
+    "git.stormux.org/storm/cthulhu/sdk/go/tentacle"
 )
 
 func say_greeting(ctx context.Context, _ json.RawMessage) (any, error) {
@@ -284,14 +284,14 @@ From `greeting-tentacles`:
 ```sh
 gofmt -w greeting/src/main.go
 mkdir -p greeting/bin
-CGO_ENABLED=0 GOCACHE=/tmp/cthulhu-go-cache go build -buildvcs=false -mod=readonly -trimpath -o greeting/bin/greeting ./greeting/src
-GOCACHE=/tmp/cthulhu-go-cache go test ./...
+CGO_ENABLED=0 GOCACHE=/tmp/cthulhu-cache go build -buildvcs=false -mod=readonly -trimpath -o greeting/bin/greeting ./greeting/src
+GOCACHE=/tmp/cthulhu-cache go test ./...
 ```
 
-Invoke the compiled command through the development host. From `cthulhu-go`:
+Invoke the compiled command through the development host. From `cthulhu`:
 
 ```sh
-GOCACHE=/tmp/cthulhu-go-cache go run ./cmd/tentacle-host -presentation -command greet "$PWD/../greeting-tentacles/greeting/bin/greeting"
+GOCACHE=/tmp/cthulhu-cache go run ./cmd/tentacle-host -presentation -command greet "$PWD/../greeting-tentacles/greeting/bin/greeting"
 ```
 
 Expect JSON containing `speech` and `braille`, both `Hello from Greeting!`.
@@ -336,7 +336,7 @@ the manifest on later releases. `set -euo pipefail` stops on build/archive failu
 set -euo pipefail
 version=0.1.0
 for architecture in amd64 arm64; do
-    CGO_ENABLED=0 GOOS=linux GOARCH="$architecture" GOCACHE=/tmp/cthulhu-go-cache \
+    CGO_ENABLED=0 GOOS=linux GOARCH="$architecture" GOCACHE=/tmp/cthulhu-cache \
         go build -buildvcs=false -mod=readonly -trimpath -ldflags='-s -w' \
         -o dist/greeting-package/bin/greeting ./greeting/src
     tar --sort=name --mtime=@0 --owner=0 --group=0 --numeric-owner \