✨ Add Prettier configuration for consistent code formatting

Establishes team-wide formatting standards to reduce style debates
and improve code review focus. Uses 88-char width to match Black
Python formatter. Excludes Django templates to avoid conflicts.

Author: Nick Sullivan

.prettierignore

@@ -0,0 +1,17 @@
+# Ignore Django templates; use djlint instead if present
+**/templates/**/*.html
+
+# Agent or custom formatted files (if used)
+*.agent
+
+# Ignore built artifacts and vendor content
+**/.next/
+**/dist/
+**/build/
+**/node_modules/
+**/out/
+
+# Locks and migrations
+pnpm-lock.yaml
+**/migrations/
+

.prettierrc

@@ -0,0 +1,33 @@
+{
+    "printWidth": 88,
+    "tabWidth": 4,
+    "singleQuote": false,
+    "trailingComma": "es5",
+    "arrowParens": "always",
+    "proseWrap": "always",
+    "htmlWhitespaceSensitivity": "css",
+    "embeddedLanguageFormatting": "auto",
+    "singleAttributePerLine": false,
+    "overrides": [
+        {
+            "files": ["*.md", "*.mdc"],
+            "options": {
+                "parser": "markdown",
+                "tabWidth": 2,
+                "printWidth": 88
+            }
+        },
+        {
+            "files": ["*.json", "*.jsonc"],
+            "options": {
+                "tabWidth": 2
+            }
+        },
+        {
+            "files": ["*.yml", "*.yaml"],
+            "options": {
+                "tabWidth": 2
+            }
+        }
+    ]
+}