feat(m0): adopt Biome for linting and formatting

- Replace ESLint and Prettier with Biome across the monorepo
- Create shared @evolu/biome-config package
- Migrate all package.json scripts to use 'biome check'
- Integrate lint and format tasks with Turborepo
- Fix formatting and linting issues in existing code

Author: miccy

.prettierignore

@@ -0,0 +1 @@
+{"extends": ["@evolu/biome-config"]}

apps/relay/biome.json

@@ -7,7 +7,9 @@
     "dev": "bun --watch src/index.ts",
     "build": "tsc",
     "start": "bun dist/index.js",
-    "clean": "rimraf .turbo node_modules dist data/evolu-relay.db"
+    "clean": "rimraf .turbo node_modules dist data/evolu-relay.db",
+    "format": "biome check . --write",
+    "lint": "biome check ."
   },
   "files": [
     "dist",
@@ -18,6 +20,7 @@
     "@evolu/nodejs": "workspace:*"
   },
   "devDependencies": {
+    "@evolu/biome-config": "workspace:*",
     "@evolu/tsconfig": "workspace:*",
     "@types/node": "^24.10.3",
     "typescript": "^5.9.3"

apps/relay/package.json

@@ -0,0 +1 @@
+{"extends": ["@evolu/biome-config"]}

apps/web/biome.json

@@ -7,7 +7,7 @@
     "clean": "rimraf .turbo .next node_modules",
     "dev": "next dev --webpack",
     "fix:docs": "bun ./scripts/fix-api-reference.mts",
-    "lint": "next lint",
+    "lint": "biome check .",
     "start": "next start"
   },
   "browserslist": "defaults, not ie <= 11",
@@ -51,6 +51,7 @@
     "zustand": "^5.0.9"
   },
   "devDependencies": {
+    "@evolu/biome-config": "workspace:*",
     "@evolu/tsconfig": "workspace:*",
     "@types/mdx": "^2.0.13",
     "@types/node": "^24.10.3",

apps/web/package.json

@@ -0,0 +1 @@
+{"extends": ["@evolu/biome-config"]}

examples/angular-vite-pwa/biome.json

@@ -6,7 +6,9 @@
   "scripts": {
     "build": "tsc && vite build",
     "dev": "vite",
-    "generate-pwa-assets": "pwa-assets-generator"
+    "generate-pwa-assets": "pwa-assets-generator",
+    "lint": "biome check .",
+    "format": "biome check . --write"
   },
   "dependencies": {
     "@angular/core": "^21.0.5",
@@ -15,6 +17,7 @@
     "@evolu/web": "latest"
   },
   "devDependencies": {
+    "@evolu/biome-config": "workspace:*",
     "@analogjs/vite-plugin-angular": "^2.2.0",
     "@angular/build": "^21.0.3",
     "@angular/compiler-cli": "^21.0.5",

examples/angular-vite-pwa/package.json

@@ -0,0 +1 @@
+{ "extends": ["@evolu/biome-config"] }