update config setup

install.sh

@@ -45,11 +45,39 @@ bun -e '
 ' "$install/package/dist/index.js"
 
 tag=$(jq -r '.tag_name' "$install/release.json")
-if ! mv -f "$install/package/dist/index.js" "$config/plugins/stanp-opencode.js"; then
+config_file="$config/opencode.json"
+config_source="$config_file"
+if [[ ! -e "$config_source" ]]; then
+    config_source="$install/empty-config.json"
+    printf '{}\n' > "$config_source"
+fi
+jq -e '
+    if type != "object" then error("opencode.json must contain an object") else . end
+    | if (.plugins // []) | type != "array" then error("opencode.json plugins must be an array") else . end
+    | .["$schema"] = (.["$schema"] // "https://opencode.ai/config.json")
+    | .plugins = (.plugins // [])
+    | if any(.plugins[]?; .package == "./plugins/stanp-opencode") then . else
+        .plugins += [{
+            package: "./plugins/stanp-opencode",
+            options: { mode: "gpt", provider: "openai", lunaPriority: true }
+        }]
+      end
+' "$config_source" > "$install/opencode.json"
+target="$config/plugins/stanp-opencode"
+staged="$config/plugins/.stanp-opencode.new.$$"
+backup="$config/plugins/.stanp-opencode.old.$$"
+mkdir "$staged"
+mv "$install/package/dist/index.js" "$staged/index.js"
+cat > "$staged/package.json" <<'EOF'
+{"name":"stanp-opencode","type":"module","main":"./index.js","exports":"./index.js"}
+EOF
+if [[ -e "$target" || -L "$target" ]]; then mv "$target" "$backup"; fi
+if ! mv "$staged" "$target"; then
+    if [[ -e "$backup" || -L "$backup" ]]; then mv "$backup" "$target"; fi
     printf 'Could not activate plugin; installation unchanged\n' >&2
     exit 1
 fi
-if [[ -L "$config/plugins/stanp-opencode" ]]; then
-    rm -f "$config/plugins/stanp-opencode"
-fi
-printf 'Installed stanp-opencode %s into %s/plugins/stanp-opencode.js\nRestart opencode2 to load it.\n' "$tag" "$config"
+rm -rf "$backup"
+rm -f "$config/plugins/stanp-opencode.js"
+mv "$install/opencode.json" "$config_file"
+printf 'Installed stanp-opencode %s into %s/plugins/stanp-opencode and updated %s\nRestart opencode2 to load it.\n' "$tag" "$config" "$config_file"