feat: complete candle annotator implementation

- Created CandleChart component with lightweight-charts integration
- Implemented SvgOverlay component for line drawing
- Integrated all components in main page
- Fixed TypeScript and Tailwind CSS compatibility issues
- Added comprehensive README.md with project documentation
- Created DEPLOYMENT.md with setup and troubleshooting guide
- Downgraded to stable versions (Tailwind v3, lightweight-charts v4)
- All 59 tasks from OpenSpec completed

package.json

@@ -12,7 +12,6 @@
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "type": "commonjs",
   "dependencies": {
     "@types/better-sqlite3": "^7.6.13",
     "@types/node": "^25.2.3",
@@ -20,13 +19,12 @@
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
     "autoprefixer": "^10.4.24",
-    "better-sqlite3": "^12.6.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "drizzle-orm": "^0.45.1",
     "eslint": "^9.39.2",
     "eslint-config-next": "^16.1.6",
-    "lightweight-charts": "^5.1.0",
+    "lightweight-charts": "^4.2.3",
     "lucide-react": "^0.563.0",
     "next": "^16.1.6",
     "papaparse": "^5.5.3",
@@ -34,10 +32,10 @@
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
     "tailwind-merge": "^3.4.0",
-    "tailwindcss": "^4.1.18",
     "typescript": "^5.9.3"
   },
   "devDependencies": {
-    "drizzle-kit": "^0.31.9"
+    "drizzle-kit": "^0.31.9",
+    "tailwindcss": "^3.4.19"
   }
 }