diff --git a/.env b/.env
new file mode 100644
index 0000000..a7443ae
--- /dev/null
+++ b/.env
@@ -0,0 +1,2 @@
+VITE_SUPABASE_URL=https://niuilwzhthqanmkzvisb.supabase.co
+VITE_SUPABASE_ANON_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6Im5pdWlsd3podGhxYW5ta3p2aXNiIiwicm9sZSI6ImFub24iLCJpYXQiOjE3MzIxNDgyNTgsImV4cCI6MjA0NzcyNDI1OH0.IP0FneBf396qfS0kNZ9R6ErEuR5kKsi562cj8pPZgLw
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index b417ac0..ed55cd0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,16 +8,14 @@
       "name": "habit-tracker-fullstack",
       "version": "1.0.0",
       "dependencies": {
-        "cors": "^2.8.5",
-        "express": "^4.18.3",
         "lucide-react": "^0.344.0",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
-        "react-router-dom": "^6.28.0",
-        "sql.js": "^1.10.2"
+        "react-router-dom": "^6.28.0"
       },
       "devDependencies": {
         "@eslint/js": "^9.9.1",
+        "@supabase/supabase-js": "^2.46.1",
         "@types/express": "^4.17.21",
         "@types/react": "^18.3.5",
         "@types/react-dom": "^18.3.0",
@@ -1233,6 +1231,87 @@
         "win32"
       ]
     },
+    "node_modules/@supabase/auth-js": {
+      "version": "2.65.1",
+      "resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.65.1.tgz",
+      "integrity": "sha512-IA7i2Xq2SWNCNMKxwmPlHafBQda0qtnFr8QnyyBr+KaSxoXXqEzFCnQ1dGTy6bsZjVBgXu++o3qrDypTspaAPw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "^2.6.14"
+      }
+    },
+    "node_modules/@supabase/functions-js": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/@supabase/functions-js/-/functions-js-2.4.3.tgz",
+      "integrity": "sha512-sOLXy+mWRyu4LLv1onYydq+10mNRQ4rzqQxNhbrKLTLTcdcmS9hbWif0bGz/NavmiQfPs4ZcmQJp4WqOXlR4AQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "^2.6.14"
+      }
+    },
+    "node_modules/@supabase/node-fetch": {
+      "version": "2.6.15",
+      "resolved": "https://registry.npmjs.org/@supabase/node-fetch/-/node-fetch-2.6.15.tgz",
+      "integrity": "sha512-1ibVeYUacxWYi9i0cf5efil6adJ9WRyZBLivgjs+AUpewx1F3xPi7gLgaASI2SmIQxPoCEjAsLAzKPgMJVgOUQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      }
+    },
+    "node_modules/@supabase/postgrest-js": {
+      "version": "1.16.3",
+      "resolved": "https://registry.npmjs.org/@supabase/postgrest-js/-/postgrest-js-1.16.3.tgz",
+      "integrity": "sha512-HI6dsbW68AKlOPofUjDTaosiDBCtW4XAm0D18pPwxoW3zKOE2Ru13Z69Wuys9fd6iTpfDViNco5sgrtnP0666A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "^2.6.14"
+      }
+    },
+    "node_modules/@supabase/realtime-js": {
+      "version": "2.10.7",
+      "resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.10.7.tgz",
+      "integrity": "sha512-OLI0hiSAqQSqRpGMTUwoIWo51eUivSYlaNBgxsXZE7PSoWh12wPRdVt0psUMaUzEonSB85K21wGc7W5jHnT6uA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "^2.6.14",
+        "@types/phoenix": "^1.5.4",
+        "@types/ws": "^8.5.10",
+        "ws": "^8.14.2"
+      }
+    },
+    "node_modules/@supabase/storage-js": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/@supabase/storage-js/-/storage-js-2.7.1.tgz",
+      "integrity": "sha512-asYHcyDR1fKqrMpytAS1zjyEfvxuOIp1CIXX7ji4lHHcJKqyk+sLl/Vxgm4sN6u8zvuUtae9e4kDxQP2qrwWBA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "^2.6.14"
+      }
+    },
+    "node_modules/@supabase/supabase-js": {
+      "version": "2.46.1",
+      "resolved": "https://registry.npmjs.org/@supabase/supabase-js/-/supabase-js-2.46.1.tgz",
+      "integrity": "sha512-HiBpd8stf7M6+tlr+/82L8b2QmCjAD8ex9YdSAKU+whB/SHXXJdus1dGlqiH9Umy9ePUuxaYmVkGd9BcvBnNvg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/auth-js": "2.65.1",
+        "@supabase/functions-js": "2.4.3",
+        "@supabase/node-fetch": "2.6.15",
+        "@supabase/postgrest-js": "1.16.3",
+        "@supabase/realtime-js": "2.10.7",
+        "@supabase/storage-js": "2.7.1"
+      }
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -1356,6 +1435,13 @@
         "undici-types": "~6.19.8"
       }
     },
+    "node_modules/@types/phoenix": {
+      "version": "1.6.5",
+      "resolved": "https://registry.npmjs.org/@types/phoenix/-/phoenix-1.6.5.tgz",
+      "integrity": "sha512-xegpDuR+z0UqG9fwHqNoy3rI7JDlvaPh2TY47Fl80oq6g+hXT+c/LEuE43X48clZ6lOfANl5WrPur9fYO1RJ/w==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/prop-types": {
       "version": "15.7.13",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.13.tgz",
@@ -1424,6 +1510,16 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/ws": {
+      "version": "8.5.13",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.13.tgz",
+      "integrity": "sha512-osM/gWBTPKgHV8XkTunnegTRIsvF6owmf5w+JtAfOw472dptdm0dlGv4xCt6GwQRcC2XVOvvRE/0bAoQcL2QkA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.8.1",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.8.1.tgz",
@@ -1673,18 +1769,6 @@
         "vite": "^4.2.0 || ^5.0.0"
       }
     },
-    "node_modules/accepts": {
-      "version": "1.3.8",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
-      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
-      "dependencies": {
-        "mime-types": "~2.1.34",
-        "negotiator": "0.6.3"
-      },
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/acorn": {
       "version": "8.12.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.12.1.tgz",
@@ -1777,11 +1861,6 @@
       "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
       "dev": true
     },
-    "node_modules/array-flatten": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
-    },
     "node_modules/array-union": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
@@ -1854,42 +1933,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/body-parser": {
-      "version": "1.20.3",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
-      "integrity": "sha512-7rAxByjUMqQ3/bHJy7D6OGXvx/MMc4IqBn/X0fcM1QUcAItpZrBEYhWGem+tzXH90c+G01ypMcYJBO9Y30203g==",
-      "dependencies": {
-        "bytes": "3.1.2",
-        "content-type": "~1.0.5",
-        "debug": "2.6.9",
-        "depd": "2.0.0",
-        "destroy": "1.2.0",
-        "http-errors": "2.0.0",
-        "iconv-lite": "0.4.24",
-        "on-finished": "2.4.1",
-        "qs": "6.13.0",
-        "raw-body": "2.5.2",
-        "type-is": "~1.6.18",
-        "unpipe": "1.0.0"
-      },
-      "engines": {
-        "node": ">= 0.8",
-        "npm": "1.2.8000 || >= 1.4.16"
-      }
-    },
-    "node_modules/body-parser/node_modules/debug": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-      "dependencies": {
-        "ms": "2.0.0"
-      }
-    },
-    "node_modules/body-parser/node_modules/ms": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
-    },
     "node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1944,32 +1987,6 @@
         "node": "^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7"
       }
     },
-    "node_modules/bytes": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
-      "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
-    "node_modules/call-bind": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.7.tgz",
-      "integrity": "sha512-GHTSNSYICQ7scH7sZ+M2rFopRoLh8t2bLSW6BbgrtLsahOIB5iyAVJf9GjWK3cYTDaMj4XdBpM1cA6pIS0Kv2w==",
-      "dependencies": {
-        "es-define-property": "^1.0.0",
-        "es-errors": "^1.3.0",
-        "function-bind": "^1.1.2",
-        "get-intrinsic": "^1.2.4",
-        "set-function-length": "^1.2.1"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -2312,56 +2329,12 @@
         "url": "https://github.com/chalk/supports-color?sponsor=1"
       }
     },
-    "node_modules/content-disposition": {
-      "version": "0.5.4",
-      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
-      "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
-      "dependencies": {
-        "safe-buffer": "5.2.1"
-      },
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/content-type": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz",
-      "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/convert-source-map": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
       "integrity": "sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==",
       "dev": true
     },
-    "node_modules/cookie": {
-      "version": "0.7.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
-      "integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/cookie-signature": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
-      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
-    },
-    "node_modules/cors": {
-      "version": "2.8.5",
-      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
-      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
-      "dependencies": {
-        "object-assign": "^4",
-        "vary": "^1"
-      },
-      "engines": {
-        "node": ">= 0.10"
-      }
-    },
     "node_modules/cross-spawn": {
       "version": "7.0.6",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
@@ -2434,39 +2407,6 @@
       "integrity": "sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==",
       "dev": true
     },
-    "node_modules/define-data-property": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/define-data-property/-/define-data-property-1.1.4.tgz",
-      "integrity": "sha512-rBMvIzlpA8v6E+SJZoo++HAYqsLrkg7MSfIinMPFhmkorw7X+dOXVJQs+QT69zGkzMyfDnIMN2Wid1+NbL3T+A==",
-      "dependencies": {
-        "es-define-property": "^1.0.0",
-        "es-errors": "^1.3.0",
-        "gopd": "^1.0.1"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
-    "node_modules/depd": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
-      "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
-    "node_modules/destroy": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz",
-      "integrity": "sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg==",
-      "engines": {
-        "node": ">= 0.8",
-        "npm": "1.2.8000 || >= 1.4.16"
-      }
-    },
     "node_modules/didyoumean": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/didyoumean/-/didyoumean-1.2.2.tgz",
@@ -2498,11 +2438,6 @@
       "integrity": "sha512-I88TYZWc9XiYHRQ4/3c5rjjfgkjhLyW2luGIheGERbNQ6OY7yTybanSpDXZa8y7VUP9YmDcYa+eyq4ca7iLqWA==",
       "dev": true
     },
-    "node_modules/ee-first": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
-      "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="
-    },
     "node_modules/electron-to-chromium": {
       "version": "1.5.33",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.33.tgz",
@@ -2522,33 +2457,6 @@
       "integrity": "sha512-L18DaJsXSUk2+42pv8mLs5jJT2hqFkFE4j21wOmgbUqsZ2hL72NsUU785g9RXgo3s0ZNgVl42TiHp3ZtOv/Vyg==",
       "dev": true
     },
-    "node_modules/encodeurl": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz",
-      "integrity": "sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg==",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
-    "node_modules/es-define-property": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.0.tgz",
-      "integrity": "sha512-jxayLKShrEqqzJ0eumQbVhTYQM27CfT1T35+gCgDFoL82JLsXqTJ76zv6A0YLOgEnLUMvLzsDsGIrl8NFpT2gQ==",
-      "dependencies": {
-        "get-intrinsic": "^1.2.4"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
-    "node_modules/es-errors": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
-      "integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==",
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
     "node_modules/esbuild": {
       "version": "0.21.5",
       "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.21.5.tgz",
@@ -2596,11 +2504,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/escape-html": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
-      "integrity": "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow=="
-    },
     "node_modules/escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -2860,68 +2763,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/etag": {
-      "version": "1.8.1",
-      "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
-      "integrity": "sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/express": {
-      "version": "4.21.1",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
-      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
-      "dependencies": {
-        "accepts": "~1.3.8",
-        "array-flatten": "1.1.1",
-        "body-parser": "1.20.3",
-        "content-disposition": "0.5.4",
-        "content-type": "~1.0.4",
-        "cookie": "0.7.1",
-        "cookie-signature": "1.0.6",
-        "debug": "2.6.9",
-        "depd": "2.0.0",
-        "encodeurl": "~2.0.0",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "finalhandler": "1.3.1",
-        "fresh": "0.5.2",
-        "http-errors": "2.0.0",
-        "merge-descriptors": "1.0.3",
-        "methods": "~1.1.2",
-        "on-finished": "2.4.1",
-        "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.10",
-        "proxy-addr": "~2.0.7",
-        "qs": "6.13.0",
-        "range-parser": "~1.2.1",
-        "safe-buffer": "5.2.1",
-        "send": "0.19.0",
-        "serve-static": "1.16.2",
-        "setprototypeof": "1.2.0",
-        "statuses": "2.0.1",
-        "type-is": "~1.6.18",
-        "utils-merge": "1.0.1",
-        "vary": "~1.1.2"
-      },
-      "engines": {
-        "node": ">= 0.10.0"
-      }
-    },
-    "node_modules/express/node_modules/debug": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-      "dependencies": {
-        "ms": "2.0.0"
-      }
-    },
-    "node_modules/express/node_modules/ms": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
-    },
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -3029,36 +2870,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/finalhandler": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.3.1.tgz",
-      "integrity": "sha512-6BN9trH7bp3qvnrRyzsBz+g3lZxTNZTbVO2EV1CS0WIcDbawYVdYvGflME/9QP0h0pYlCDBCTjYa9nZzMDpyxQ==",
-      "dependencies": {
-        "debug": "2.6.9",
-        "encodeurl": "~2.0.0",
-        "escape-html": "~1.0.3",
-        "on-finished": "2.4.1",
-        "parseurl": "~1.3.3",
-        "statuses": "2.0.1",
-        "unpipe": "~1.0.0"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
-    "node_modules/finalhandler/node_modules/debug": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-      "dependencies": {
-        "ms": "2.0.0"
-      }
-    },
-    "node_modules/finalhandler/node_modules/ms": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
-    },
     "node_modules/find-cache-dir": {
       "version": "3.3.2",
       "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-3.3.2.tgz",
@@ -3128,14 +2939,6 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/forwarded": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
-      "integrity": "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/fraction.js": {
       "version": "4.3.7",
       "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.3.7.tgz",
@@ -3149,14 +2952,6 @@
         "url": "https://github.com/sponsors/rawify"
       }
     },
-    "node_modules/fresh": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-      "integrity": "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/fs-extra": {
       "version": "11.2.0",
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.2.0.tgz",
@@ -3190,6 +2985,7 @@
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
       "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
+      "dev": true,
       "funding": {
         "url": "https://github.com/sponsors/ljharb"
       }
@@ -3212,24 +3008,6 @@
         "node": "6.* || 8.* || >= 10.*"
       }
     },
-    "node_modules/get-intrinsic": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.2.4.tgz",
-      "integrity": "sha512-5uYhsJH8VJBTv7oslg4BznJYhDoRI6waYCxMmCdnTrcCrHA/fCFKoTFz2JKKE0HdDFUF7/oQuhzumXJK7paBRQ==",
-      "dependencies": {
-        "es-errors": "^1.3.0",
-        "function-bind": "^1.1.2",
-        "has-proto": "^1.0.1",
-        "has-symbols": "^1.0.3",
-        "hasown": "^2.0.0"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/gh-pages": {
       "version": "6.2.0",
       "resolved": "https://registry.npmjs.org/gh-pages/-/gh-pages-6.2.0.tgz",
@@ -3352,17 +3130,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/gopd": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.0.1.tgz",
-      "integrity": "sha512-d65bNlIadxvpb/A2abVdlqKqV563juRnZ1Wtk6s1sIR8uNsXR70xqIzVqxVf1eTqDunwT2MkczEeaezCKTZhwA==",
-      "dependencies": {
-        "get-intrinsic": "^1.1.3"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/graceful-fs": {
       "version": "4.2.11",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
@@ -3385,43 +3152,11 @@
         "node": ">=4"
       }
     },
-    "node_modules/has-property-descriptors": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/has-property-descriptors/-/has-property-descriptors-1.0.2.tgz",
-      "integrity": "sha512-55JNKuIW+vq4Ke1BjOTjM2YctQIvCT7GFzHwmfZPGo5wnrgkid0YQtnAleFSqumZm4az3n2BS+erby5ipJdgrg==",
-      "dependencies": {
-        "es-define-property": "^1.0.0"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
-    "node_modules/has-proto": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has-proto/-/has-proto-1.0.3.tgz",
-      "integrity": "sha512-SJ1amZAJUiZS+PhsVLf5tGydlaVB8EdFpaSO4gmiUKUOxk8qzn5AIy4ZeJUmh22znIdk/uMAUT2pl3FxzVUH+Q==",
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
-    "node_modules/has-symbols": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz",
-      "integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A==",
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/hasown": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
       "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
+      "dev": true,
       "dependencies": {
         "function-bind": "^1.1.2"
       },
@@ -3429,32 +3164,6 @@
         "node": ">= 0.4"
       }
     },
-    "node_modules/http-errors": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-2.0.0.tgz",
-      "integrity": "sha512-FtwrG/euBzaEjYeRqOgly7G0qviiXoJWnvEH2Z1plBdXgbyjv34pHTSb9zoeHMyDy33+DWy5Wt9Wo+TURtOYSQ==",
-      "dependencies": {
-        "depd": "2.0.0",
-        "inherits": "2.0.4",
-        "setprototypeof": "1.2.0",
-        "statuses": "2.0.1",
-        "toidentifier": "1.0.1"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
-    "node_modules/iconv-lite": {
-      "version": "0.4.24",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
-      "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
-      "dependencies": {
-        "safer-buffer": ">= 2.1.2 < 3"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/ignore": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.2.tgz",
@@ -3489,19 +3198,6 @@
         "node": ">=0.8.19"
       }
     },
-    "node_modules/inherits": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
-    },
-    "node_modules/ipaddr.js": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
-      "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==",
-      "engines": {
-        "node": ">= 0.10"
-      }
-    },
     "node_modules/is-binary-path": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
@@ -3778,22 +3474,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/media-typer": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
-      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/merge-descriptors": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.3.tgz",
-      "integrity": "sha512-gaNvAS7TZ897/rVaZ0nMtAyxNyi/pdbjbAwUpFQpN70GqnVfOiXpeUUMKRBmzXaSQ8DdTX4/0ms62r2K+hE6mQ==",
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/merge2": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
@@ -3803,14 +3483,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/methods": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
-      "integrity": "sha512-iclAHeNqNm68zFtnZ0e+1L2yUIdvzNoauKU4WBA3VvH/vPFieF7qfRlwUZU+DA9P9bPXIS90ulxoUoCH23sV2w==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/micromatch": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
@@ -3824,36 +3496,6 @@
         "node": ">=8.6"
       }
     },
-    "node_modules/mime": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
-      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
-      "bin": {
-        "mime": "cli.js"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
-    "node_modules/mime-db": {
-      "version": "1.52.0",
-      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
-      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/mime-types": {
-      "version": "2.1.35",
-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
-      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
-      "dependencies": {
-        "mime-db": "1.52.0"
-      },
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/minimatch": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -3878,7 +3520,8 @@
     "node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
-      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "dev": true
     },
     "node_modules/mz": {
       "version": "2.7.0",
@@ -3915,14 +3558,6 @@
       "integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==",
       "dev": true
     },
-    "node_modules/negotiator": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
-      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/node-releases": {
       "version": "2.0.18",
       "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.18.tgz",
@@ -3951,6 +3586,7 @@
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
       "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -3964,28 +3600,6 @@
         "node": ">= 6"
       }
     },
-    "node_modules/object-inspect": {
-      "version": "1.13.3",
-      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.3.tgz",
-      "integrity": "sha512-kDCGIbxkDSXE3euJZZXzc6to7fCrKHNI/hSRQnRuQ+BWjFNzZwiFF8fj/6o2t2G9/jTj8PSIYTfCLelLZEeRpA==",
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
-    "node_modules/on-finished": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
-      "integrity": "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==",
-      "dependencies": {
-        "ee-first": "1.1.1"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/optionator": {
       "version": "0.9.4",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",
@@ -4061,14 +3675,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/parseurl": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
-      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/path-exists": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
@@ -4115,11 +3721,6 @@
       "integrity": "sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ==",
       "dev": true
     },
-    "node_modules/path-to-regexp": {
-      "version": "0.1.10",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
-      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
-    },
     "node_modules/path-type": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
@@ -4399,18 +4000,6 @@
         "node": ">= 0.8.0"
       }
     },
-    "node_modules/proxy-addr": {
-      "version": "2.0.7",
-      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
-      "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==",
-      "dependencies": {
-        "forwarded": "0.2.0",
-        "ipaddr.js": "1.9.1"
-      },
-      "engines": {
-        "node": ">= 0.10"
-      }
-    },
     "node_modules/punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
@@ -4420,20 +4009,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/qs": {
-      "version": "6.13.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
-      "integrity": "sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==",
-      "dependencies": {
-        "side-channel": "^1.0.6"
-      },
-      "engines": {
-        "node": ">=0.6"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/queue-microtask": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
@@ -4454,28 +4029,6 @@
         }
       ]
     },
-    "node_modules/range-parser": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
-      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/raw-body": {
-      "version": "2.5.2",
-      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.5.2.tgz",
-      "integrity": "sha512-8zGqypfENjCIqGhgXToC8aB2r7YrBX+AQAfIPs/Mlk+BtPTztOvTS01NRW/3Eh60J+a48lt8qsCzirQ6loCVfA==",
-      "dependencies": {
-        "bytes": "3.1.2",
-        "http-errors": "2.0.0",
-        "iconv-lite": "0.4.24",
-        "unpipe": "1.0.0"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/react": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
@@ -4679,30 +4232,6 @@
         "tslib": "^2.1.0"
       }
     },
-    "node_modules/safe-buffer": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
-      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ]
-    },
-    "node_modules/safer-buffer": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
-    },
     "node_modules/scheduler": {
       "version": "0.23.2",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.2.tgz",
@@ -4720,85 +4249,6 @@
         "semver": "bin/semver.js"
       }
     },
-    "node_modules/send": {
-      "version": "0.19.0",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.19.0.tgz",
-      "integrity": "sha512-dW41u5VfLXu8SJh5bwRmyYUbAoSB3c9uQh6L8h/KtsFREPWpbX1lrljJo186Jc4nmci/sGUZ9a0a0J2zgfq2hw==",
-      "dependencies": {
-        "debug": "2.6.9",
-        "depd": "2.0.0",
-        "destroy": "1.2.0",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "fresh": "0.5.2",
-        "http-errors": "2.0.0",
-        "mime": "1.6.0",
-        "ms": "2.1.3",
-        "on-finished": "2.4.1",
-        "range-parser": "~1.2.1",
-        "statuses": "2.0.1"
-      },
-      "engines": {
-        "node": ">= 0.8.0"
-      }
-    },
-    "node_modules/send/node_modules/debug": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-      "dependencies": {
-        "ms": "2.0.0"
-      }
-    },
-    "node_modules/send/node_modules/debug/node_modules/ms": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
-    },
-    "node_modules/send/node_modules/encodeurl": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
-    "node_modules/serve-static": {
-      "version": "1.16.2",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
-      "integrity": "sha512-VqpjJZKadQB/PEbEwvFdO43Ax5dFBZ2UECszz8bQ7pi7wt//PWe1P6MN7eCnjsatYtBT6EuiClbjSWP2WrIoTw==",
-      "dependencies": {
-        "encodeurl": "~2.0.0",
-        "escape-html": "~1.0.3",
-        "parseurl": "~1.3.3",
-        "send": "0.19.0"
-      },
-      "engines": {
-        "node": ">= 0.8.0"
-      }
-    },
-    "node_modules/set-function-length": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
-      "integrity": "sha512-pgRc4hJ4/sNjWCSS9AmnS40x3bNMDTknHgL5UaMBTMyJnU90EgWh1Rz+MC9eFu4BuN/UwZjKQuY/1v3rM7HMfg==",
-      "dependencies": {
-        "define-data-property": "^1.1.4",
-        "es-errors": "^1.3.0",
-        "function-bind": "^1.1.2",
-        "get-intrinsic": "^1.2.4",
-        "gopd": "^1.0.1",
-        "has-property-descriptors": "^1.0.2"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
-    "node_modules/setprototypeof": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
-      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
-    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -4829,23 +4279,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/side-channel": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.6.tgz",
-      "integrity": "sha512-fDW/EZ6Q9RiO8eFG8Hj+7u/oW+XrPTIChwCOM2+th2A6OblDtYYIpve9m+KvI9Z4C9qSEXlaGR6bTEYHReuglA==",
-      "dependencies": {
-        "call-bind": "^1.0.7",
-        "es-errors": "^1.3.0",
-        "get-intrinsic": "^1.2.4",
-        "object-inspect": "^1.13.1"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/signal-exit": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
@@ -4883,19 +4316,6 @@
       "integrity": "sha512-zC8zGoGkmc8J9ndvml8Xksr1Amk9qBujgbF0JAIWO7kXr43w0h/0GJNM/Vustixu+YE8N/MTrQ7N31FvHUACxQ==",
       "dev": true
     },
-    "node_modules/sql.js": {
-      "version": "1.12.0",
-      "resolved": "https://registry.npmjs.org/sql.js/-/sql.js-1.12.0.tgz",
-      "integrity": "sha512-Bi+43yMx/tUFZVYD4AUscmdL6NHn3gYQ+CM+YheFWLftOmrEC/Mz6Yh7E96Y2WDHYz3COSqT+LP6Z79zgrwJlA=="
-    },
-    "node_modules/statuses": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
-      "integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ==",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/string-width": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
@@ -5148,13 +4568,12 @@
         "node": ">=8.0"
       }
     },
-    "node_modules/toidentifier": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
-      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
-      "engines": {
-        "node": ">=0.6"
-      }
+    "node_modules/tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/tree-kill": {
       "version": "1.2.2",
@@ -5214,18 +4633,6 @@
         "node": ">= 0.8.0"
       }
     },
-    "node_modules/type-is": {
-      "version": "1.6.18",
-      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
-      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
-      "dependencies": {
-        "media-typer": "0.3.0",
-        "mime-types": "~2.1.24"
-      },
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/typescript": {
       "version": "5.6.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
@@ -5278,14 +4685,6 @@
         "node": ">= 10.0.0"
       }
     },
-    "node_modules/unpipe": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/update-browserslist-db": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.1.1.tgz",
@@ -5331,22 +4730,6 @@
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
       "dev": true
     },
-    "node_modules/utils-merge": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==",
-      "engines": {
-        "node": ">= 0.4.0"
-      }
-    },
-    "node_modules/vary": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/vite": {
       "version": "5.4.8",
       "resolved": "https://registry.npmjs.org/vite/-/vite-5.4.8.tgz",
@@ -5406,6 +4789,24 @@
         }
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "dev": true,
+      "license": "BSD-2-Clause"
+    },
+    "node_modules/whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -5551,6 +4952,28 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/ws": {
+      "version": "8.18.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.0.tgz",
+      "integrity": "sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/y18n": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
diff --git a/package.json b/package.json
index 862735c..1822bb3 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "version": "1.0.0",
   "type": "module",
   "scripts": {
-    "dev": "concurrently \"vite\" \"node server.js\"",
+    "dev": "vite",
     "build": "vite build",
     "lint": "eslint .",
     "preview": "vite preview",
@@ -13,16 +13,14 @@
     "deploy": "gh-pages -d dist"
   },
   "dependencies": {
-    "cors": "^2.8.5",
-    "express": "^4.18.3",
     "lucide-react": "^0.344.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "react-router-dom": "^6.28.0",
-    "sql.js": "^1.10.2"
+    "react-router-dom": "^6.28.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.9.1",
+    "@supabase/supabase-js": "^2.46.1",
     "@types/express": "^4.17.21",
     "@types/react": "^18.3.5",
     "@types/react-dom": "^18.3.0",
diff --git a/src/components/Calendar.tsx b/src/components/Calendar.tsx
index 285e83d..da8f95d 100644
--- a/src/components/Calendar.tsx
+++ b/src/components/Calendar.tsx
@@ -35,7 +35,9 @@ export const Calendar: React.FC<CalendarProps> = ({
   };
 
   // Get today's date in YYYY-MM-DD format
-  const today = formatDate(new Date());
+  const today = new Date();
+  today.setHours(0, 0, 0, 0);
+  const todayStr = formatDate(today);
 
   const handleToggleHabit = async (e: React.MouseEvent, habitId: number, date: string) => {
     e.stopPropagation();
@@ -115,7 +117,7 @@ export const Calendar: React.FC<CalendarProps> = ({
           return days.map(({ date, dayNumber, isCurrentMonth }) => {
             const completedHabits = getCompletedHabitsForDate(date);
             const incompleteHabits = habits.filter(habit => !habit.completedDates.includes(date));
-            const isToday = date === today;
+            const isToday = date === todayStr;
             
             return (
               <div
@@ -124,7 +126,13 @@ export const Calendar: React.FC<CalendarProps> = ({
                   border rounded-lg p-3 min-h-[80px] relative
                   ${theme.border}
                   ${isCurrentMonth ? theme.calendar.day.default : theme.calendar.day.otherMonth}
-                  ${isToday ? `border-2 ${theme.calendar.day.today}` : ''}
+                  ${isToday ? `
+                    border-2 
+                    ${theme.calendar.day.today}
+                    ring-2 ring-offset-2 ring-blue-500 dark:ring-blue-400
+                    bg-blue-50 dark:bg-blue-900/20
+                    shadow-sm
+                  ` : ''}
                 `}
               >
                 <span className={`font-medium ${isCurrentMonth ? theme.text : theme.calendar.day.otherMonth}`}>
diff --git a/src/hooks/useHabits.ts b/src/hooks/useHabits.ts
index 7b8002b..a83614e 100644
--- a/src/hooks/useHabits.ts
+++ b/src/hooks/useHabits.ts
@@ -1,14 +1,36 @@
 import { useState } from 'react';
+import { supabase } from '../lib/supabase';
 import { Habit } from '../types';
+import { calculateStreak } from '../utils/streakCalculator';
 
 export const useHabits = () => {
   const [habits, setHabits] = useState<Habit[]>([]);
 
   const fetchHabits = async () => {
     try {
-      const response = await fetch('http://localhost:5000/api/habits');
-      const data = await response.json();
-      setHabits(data);
+      const { data, error } = await supabase
+        .from('habits')
+        .select(`
+          id,
+          name,
+          created_at,
+          best_streak,
+          habit_completions (completion_date)
+        `);
+
+      if (error) throw error;
+
+      const formattedHabits = data.map(habit => ({
+        id: habit.id,
+        name: habit.name,
+        created_at: habit.created_at,
+        best_streak: habit.best_streak,
+        completedDates: habit.habit_completions.map(
+          (completion: { completion_date: string }) => completion.completion_date
+        )
+      }));
+
+      setHabits(formattedHabits);
     } catch (error) {
       console.error('Error fetching habits:', error);
       setHabits([]);
@@ -17,16 +39,19 @@ export const useHabits = () => {
 
   const addHabit = async (name: string) => {
     try {
-      const response = await fetch('http://localhost:5000/api/habits', {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ name }),
-      });
-      if (response.ok) {
-        await fetchHabits();
-        return true;
-      }
-      return false;
+      const { error } = await supabase
+        .from('habits')
+        .insert([{ 
+          name, 
+          best_streak: 0,
+          created_at: new Date().toISOString() 
+        }])
+        .select()
+        .single();
+
+      if (error) throw error;
+      await fetchHabits();
+      return true;
     } catch (error) {
       console.error('Error adding habit:', error);
       return false;
@@ -35,11 +60,43 @@ export const useHabits = () => {
 
   const toggleHabit = async (id: number, date: string) => {
     try {
-      await fetch(`http://localhost:5000/api/habits/${id}/toggle`, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ date }),
-      });
+      const { data: existing } = await supabase
+        .from('habit_completions')
+        .select()
+        .eq('habit_id', id)
+        .eq('completion_date', date)
+        .single();
+
+      if (existing) {
+        await supabase
+          .from('habit_completions')
+          .delete()
+          .eq('habit_id', id)
+          .eq('completion_date', date);
+      } else {
+        await supabase
+          .from('habit_completions')
+          .insert([{ habit_id: id, completion_date: date }]);
+      }
+
+      // After toggling, recalculate streak
+      const habit = habits.find(h => h.id === id);
+      if (habit) {
+        const newCompletedDates = existing
+          ? habit.completedDates.filter(d => d !== date)
+          : [...habit.completedDates, date];
+        
+        const { bestStreak } = calculateStreak(newCompletedDates);
+        
+        // Update best_streak if the new streak is higher
+        if (bestStreak > habit.best_streak) {
+          await supabase
+            .from('habits')
+            .update({ best_streak: bestStreak })
+            .eq('id', id);
+        }
+      }
+
       await fetchHabits();
     } catch (error) {
       console.error('Error toggling habit:', error);
@@ -48,11 +105,10 @@ export const useHabits = () => {
 
   const updateHabit = async (id: number, name: string) => {
     try {
-      await fetch(`http://localhost:5000/api/habits/${id}`, {
-        method: 'PUT',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ name }),
-      });
+      await supabase
+        .from('habits')
+        .update({ name })
+        .eq('id', id);
       await fetchHabits();
     } catch (error) {
       console.error('Error updating habit:', error);
@@ -61,39 +117,22 @@ export const useHabits = () => {
 
   const deleteHabit = async (id: number) => {
     try {
-      await fetch(`http://localhost:5000/api/habits/${id}`, {
-        method: 'DELETE',
-      });
+      await supabase
+        .from('habits')
+        .delete()
+        .eq('id', id);
       await fetchHabits();
     } catch (error) {
       console.error('Error deleting habit:', error);
     }
   };
 
-  const updateStreak = async (id: number, newStreak: number) => {
-    if (newStreak < 0) return;
-
-    try {
-      await fetch(`http://localhost:5000/api/habits/${id}/streak`, {
-        method: 'PUT',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ streak: newStreak }),
-      });
-      setHabits(habits.map(habit =>
-        habit.id === id ? { ...habit, manualStreak: newStreak } : habit
-      ));
-    } catch (error) {
-      console.error('Error updating streak:', error);
-    }
-  };
-
   return {
     habits,
     fetchHabits,
     addHabit,
     toggleHabit,
     updateHabit,
-    deleteHabit,
-    updateStreak
+    deleteHabit
   };
 }; 
\ No newline at end of file
diff --git a/src/lib/supabase.ts b/src/lib/supabase.ts
new file mode 100644
index 0000000..a4cd1ce
--- /dev/null
+++ b/src/lib/supabase.ts
@@ -0,0 +1,11 @@
+import { createClient } from '@supabase/supabase-js';
+import { Database } from '../types/supabase';
+
+const supabaseUrl = import.meta.env.VITE_SUPABASE_URL;
+const supabaseAnonKey = import.meta.env.VITE_SUPABASE_ANON_KEY;
+
+if (!supabaseUrl || !supabaseAnonKey) {
+  throw new Error('Missing Supabase environment variables');
+}
+
+export const supabase = createClient<Database>(supabaseUrl, supabaseAnonKey); 
\ No newline at end of file
diff --git a/src/styles/theme.ts b/src/styles/theme.ts
index 8df1968..2579188 100644
--- a/src/styles/theme.ts
+++ b/src/styles/theme.ts
@@ -37,7 +37,7 @@ export const lightTheme = {
     day: {
       default: 'bg-[#ffffff] hover:bg-[#f1f1ef] text-[#37352f] shadow-sm',
       selected: 'bg-[#37352f] text-white',
-      today: 'border-[#37352f]',
+      today: 'border border-black/20 bg-blue-50/10',
       otherMonth: 'text-[#787774] bg-[#fafafa]'
     },
     navigation: {
@@ -97,7 +97,7 @@ export const darkTheme = {
     day: {
       default: 'bg-[#2f2f2f] hover:bg-[#363636] text-[#ffffff] shadow-md shadow-[#00000030]',
       selected: 'bg-[#ffffff] text-[#191919]',
-      today: 'border-[#ffffff]',
+      today: 'border border-white/20 bg-blue-900/5',
       otherMonth: 'text-[#666666] bg-[#242424]'
     },
     navigation: {
diff --git a/src/types.ts b/src/types.ts
index 9586860..bf9b875 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,6 +1,7 @@
 export interface Habit {
   id: number;
   name: string;
+  created_at: string;
+  best_streak: number;
   completedDates: string[];
-  bestStreak: number;
 }
\ No newline at end of file
diff --git a/src/types/supabase.ts b/src/types/supabase.ts
new file mode 100644
index 0000000..dc0ec3b
--- /dev/null
+++ b/src/types/supabase.ts
@@ -0,0 +1,48 @@
+export type Json =
+  | string
+  | number
+  | boolean
+  | null
+  | { [key: string]: Json | undefined }
+  | Json[]
+
+export interface Database {
+  public: {
+    Tables: {
+      habits: {
+        Row: {
+          id: number
+          name: string
+          created_at: string
+          best_streak: number
+        }
+        Insert: {
+          id?: number
+          name: string
+          created_at?: string
+          best_streak?: number
+        }
+        Update: {
+          id?: number
+          name?: string
+          created_at?: string
+          best_streak?: number
+        }
+      }
+      habit_completions: {
+        Row: {
+          habit_id: number
+          completion_date: string
+        }
+        Insert: {
+          habit_id: number
+          completion_date: string
+        }
+        Update: {
+          habit_id?: number
+          completion_date?: string
+        }
+      }
+    }
+  }
+} 
\ No newline at end of file
diff --git a/src/utils/streakCalculator.ts b/src/utils/streakCalculator.ts
new file mode 100644
index 0000000..276223c
--- /dev/null
+++ b/src/utils/streakCalculator.ts
@@ -0,0 +1,48 @@
+export function calculateStreak(completedDates: string[]) {
+    if (!completedDates.length) return { currentStreak: 0, bestStreak: 0 };
+  
+    const sortedDates = [...completedDates].sort((a, b) => 
+      new Date(a).getTime() - new Date(b).getTime()
+    );
+  
+    const today = new Date();
+    today.setHours(0, 0, 0, 0);
+    const yesterday = new Date(today);
+    yesterday.setDate(yesterday.getDate() - 1);
+  
+    let currentStreak = 0;
+    let bestStreak = 0;
+    let tempStreak = 0;
+    let lastDate: Date | null = null;
+  
+    for (const dateStr of sortedDates) {
+      const currentDate = new Date(dateStr);
+      currentDate.setHours(0, 0, 0, 0);
+  
+      if (lastDate) {
+        const dayDifference = (currentDate.getTime() - lastDate.getTime()) / (1000 * 3600 * 24);
+        if (dayDifference === 1) {
+          tempStreak++;
+        } else {
+          tempStreak = 1;
+        }
+      } else {
+        tempStreak = 1;
+      }
+  
+      bestStreak = Math.max(bestStreak, tempStreak);
+      lastDate = currentDate;
+    }
+  
+    if (lastDate) {
+      const lastDateTime = lastDate.getTime();
+      const isToday = lastDateTime === today.getTime();
+      const isYesterday = lastDateTime === yesterday.getTime();
+  
+      if (isToday || isYesterday) {
+        currentStreak = tempStreak;
+      }
+    }
+  
+    return { currentStreak, bestStreak };
+  }
\ No newline at end of file