refactor: replace prettier with oxfmt

.archgate/adrs/ARCH-005-testing-standards.rules.ts

@@ -1,6 +1,7 @@
-import { defineRules } from "../../src/formats/rules";
 import { basename, dirname } from "node:path";
 
+import { defineRules } from "../../src/formats/rules";
+
 export default defineRules({
   "test-mirrors-src": {
     description: "Test directory structure should mirror src/ structure",

.archgate/adrs/ARCH-006-dependency-policy.md

@@ -38,7 +38,7 @@ Keep production dependencies minimal. Prefer Bun built-ins over external package
 2. Review of the package's dependency tree size, maintenance status, and download count
 3. Approval by the project maintainer
 
-Development dependencies (`devDependencies`) are less restricted but should still be minimal: linting (oxlint), formatting (prettier), commit conventions (commitlint), and type declarations only.
+Development dependencies (`devDependencies`) are less restricted but should still be minimal: linting (oxlint), formatting (oxfmt), commit conventions (commitlint), and type declarations only.
 
 ## Do's and Don'ts
 

.archgate/lint/README.md

@@ -16,9 +16,7 @@ Place linter plugin files here, named by tool:
 2. Reference it in your oxlint config:
 
 ```json
-{
-  "plugins": [".archgate/lint/oxlint.js"]
-}
+{ "plugins": [".archgate/lint/oxlint.js"] }
 ```
 
 ## Why here?

.claude/settings.json

@@ -0,0 +1,35 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(oxfmt *)",
+      "Bash(oxlint *)",
+      "Bash(bun run *)",
+      "Bash(bun test *)",
+      "Bash(bun install *)",
+      "Bash(git *)",
+      "Bash(wc *)",
+      "Bash(ls *)",
+      "Bash(rm *)",
+      "Bash(proto *)",
+      "Read",
+      "Write",
+      "Edit",
+      "Glob",
+      "Grep"
+    ]
+  },
+  "attribution": { "commit": "", "pr": "" },
+  "hooks": {
+    "PostToolUse": [
+      {
+        "matcher": "Write|Edit",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "jq -r '.tool_input.file_path' | xargs -I {} oxfmt --write {}"
+          }
+        ]
+      }
+    ]
+  }
+}

.commitlintrc.json

@@ -1,3 +1 @@
-{
-  "extends": ["@commitlint/config-conventional"]
-}
+{ "extends": ["@commitlint/config-conventional"] }

.oxfmtrc.json

@@ -0,0 +1,8 @@
+{
+  "trailingComma": "es5",
+  "printWidth": 80,
+  "objectWrap": "collapse",
+  "sortImports": {},
+  "sortPackageJson": { "sortScripts": true },
+  "ignorePatterns": ["bun.lock", "CHANGELOG.md"]
+}

.simple-release.js

@@ -1,4 +1,5 @@
 import { readFileSync, writeFileSync } from "node:fs";
+
 import { NpmProject } from "@simple-release/npm";
 
 class ArchgateProject extends NpmProject {

.vscode/extensions.json

@@ -1,6 +1,5 @@
 {
   "recommendations": [
-    "esbenp.prettier-vscode",
     "christian-kohler.npm-intellisense",
     "christian-kohler.path-intellisense",
     "redhat.vscode-yaml",

.vscode/settings.json

@@ -3,52 +3,25 @@
   "editor.tabSize": 2,
   "git.autofetch": true,
   "git.confirmSync": false,
-  "prettier.enable": true,
-  "prettier.configPath": ".prettierrc.json",
-  "prettier.useEditorConfig": false,
-  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "oxfmt.enable": true,
+  "oxfmt.configPath": ".oxfmtrc.json",
+  "editor.defaultFormatter": "oxc.oxc-vscode",
   "editor.formatOnSave": true,
   "typescript.enablePromptUseWorkspaceTsdk": true,
   "terminal.integrated.scrollback": 100000,
-  "[less]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[mdx]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[markdown]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[html]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[javascriptreact]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[javascript]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[yaml]": {
-    "editor.defaultFormatter": "redhat.vscode-yaml"
-  },
-  "[json]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[typescriptreact]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[jsonc]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[typescript]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[xml]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "[css]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
+  "[less]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[mdx]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[markdown]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[html]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[javascriptreact]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[javascript]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[yaml]": { "editor.defaultFormatter": "redhat.vscode-yaml" },
+  "[json]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[typescriptreact]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[jsonc]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[typescript]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[xml]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
+  "[css]": { "editor.defaultFormatter": "oxc.oxc-vscode" },
   "redhat.telemetry.enabled": false,
   "typescript.tsdk": "node_modules/typescript/lib",
   "typescript.tsserver.maxTsServerMemory": 16384,

CLAUDE.md

@@ -7,16 +7,16 @@ Archgate is a CLI tool for AI governance via Architecture Decision Records (ADRs
 - **Runtime:** Bun (>=1.2.21) — not Node.js compatible
 - **Language:** TypeScript (strict mode, ESNext, ES modules)
 - **CLI framework:** Commander.js (`@commander-js/extra-typings`)
-- **Linter:** Oxlint | **Formatter:** Prettier | **Commits:** Conventional Commits
+- **Linter:** Oxlint | **Formatter:** Oxfmt | **Commits:** Conventional Commits
 
 ## Commands
 
 ```bash
 bun run src/cli.ts <command>  # run CLI locally
 bun run lint                  # oxlint
 bun run typecheck             # tsc --build
-bun run format                # prettier --write
-bun run format:check          # prettier --check
+bun run format                # oxfmt --write
+bun run format:check          # oxfmt --check
 bun test                      # all tests
 bun run validate              # MANDATORY: lint + typecheck + format + test + ADR check + build check
 bun run build                 # binaries → dist/ (darwin-arm64, linux-x64, win32-x64)