fix(ci): update usage CLI to 3.0.0 and fix archive path

usage v2.18.2+ changed tar archive structure — binary is now at root
instead of usage/bin/usage.

Author: alexey1312

.github/workflows/release.yml

@@ -195,14 +195,14 @@ jobs:
       - name: Generate shell completions
         run: |
           set -euo pipefail
-          USAGE_VERSION="2.18.2"
+          USAGE_VERSION="3.0.0"
           curl --fail -sL "https://github.com/jdx/usage/releases/download/v${USAGE_VERSION}/usage-x86_64-unknown-linux-gnu.tar.gz" -o usage.tar.gz
           tar xzf usage.tar.gz
-          chmod +x usage/bin/usage
+          chmod +x usage
           mkdir -p completions
-          usage/bin/usage generate completion bash exfig -f exfig.usage.kdl > completions/exfig.bash
-          usage/bin/usage generate completion zsh exfig -f exfig.usage.kdl > completions/_exfig
-          usage/bin/usage generate completion fish exfig -f exfig.usage.kdl > completions/exfig.fish
+          ./usage generate completion bash exfig -f exfig.usage.kdl > completions/exfig.bash
+          ./usage generate completion zsh exfig -f exfig.usage.kdl > completions/_exfig
+          ./usage generate completion fish exfig -f exfig.usage.kdl > completions/exfig.fish
           for f in completions/exfig.bash completions/_exfig completions/exfig.fish; do
             if [[ ! -s "$f" ]]; then
               echo "::error::Generated completion file is empty: $f"

mise.toml

@@ -51,7 +51,7 @@ git-cliff = "2.10.1" # Changelog generation
 pkl = "0.31.0" # Configuration language (for hk.pkl)
 
 # --- CLI Spec ---
-usage = "2.18.2" # CLI spec → shell completions, docs, man pages
+usage = "3.0.0" # CLI spec → shell completions, docs, man pages
 
 
 # =============================================================================