Initial commit — options pricing dashboard

Full-stack options analytics app: IV surface, Greeks, skew metrics,
vol term structure. Yahoo Finance data with Black-Scholes IV computation
and historical vol fallback for after-hours data.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "options-pricer-backend",
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "node --import tsx/esm --watch src/server.ts",
+    "start": "node --import tsx/esm src/server.ts",
+    "typecheck": "tsc --noEmit"
+  },
+  "dependencies": {
+    "@hono/node-server": "^1.13.0",
+    "better-sqlite3": "^11.6.0",
+    "hono": "^4.6.0",
+    "yahoo-finance2": "^3.14.0"
+  },
+  "devDependencies": {
+    "@types/better-sqlite3": "^7.6.12",
+    "@types/node": "^22.0.0",
+    "tsx": "^4.19.0",
+    "typescript": "^5.7.0"
+  }
+}