chore: reformat codebase with oxfmt

Apply prettier-compatible formatting across the repo to match the
incoming oxfmt configuration. Mechanical reformat only — no logic
changes. Covers YAML quote normalization, package.json key sorting,
Markdown/TOML formatting, and minor TS whitespace tweaks.

.github/workflows/nix-build.yml

@@ -4,27 +4,27 @@ on:
   push:
     branches: [main]
     paths:
-      - 'nix/**'
-      - 'flake.nix'
-      - 'flake.lock'
-      - 'package.json'
-      - 'package-lock.json'
-      - 'packages/highlight/**'
-      - 'packages/server/**'
-      - 'packages/relay/**'
-      - 'packages/cli/**'
+      - "nix/**"
+      - "flake.nix"
+      - "flake.lock"
+      - "package.json"
+      - "package-lock.json"
+      - "packages/highlight/**"
+      - "packages/server/**"
+      - "packages/relay/**"
+      - "packages/cli/**"
   pull_request:
     branches: [main]
     paths:
-      - 'nix/**'
-      - 'flake.nix'
-      - 'flake.lock'
-      - 'package.json'
-      - 'package-lock.json'
-      - 'packages/highlight/**'
-      - 'packages/server/**'
-      - 'packages/relay/**'
-      - 'packages/cli/**'
+      - "nix/**"
+      - "flake.nix"
+      - "flake.lock"
+      - "package.json"
+      - "package-lock.json"
+      - "packages/highlight/**"
+      - "packages/server/**"
+      - "packages/relay/**"
+      - "packages/cli/**"
 
 permissions:
   contents: read