added youtube summary ai app and fixed issue #202 and #215

backend/.env.example

@@ -1,5 +1,21 @@
-OPENROUTER_KEY=
-FROM_EMAIL=
-POSTMARK_SERVER_TOKEN=
-DB_URL=
-RZP_WEBHOOK_SECRET=
+# Application / Prisma
+DATABASE_URL=""
+JWT_SECRET=""
+
+YOUTUBE_API_KEY=""
+
+# OpenRouter (LLM provider)
+OPENROUTER_KEY=""
+GEMINI_API_KEY=""
+
+# Email / Postmark
+FROM_EMAIL=""
+POSTMARK_SERVER_TOKEN=""
+# Razorpay
+RZP_KEY=""
+RZP_SECRET=""
+RZP_ENVIRONMENT="test"
+RZP_WEBHOOK_SECRET=""
+
+# Frontend
+FRONTEND_URL="http://localhost:3002"

backend/bun.lock

@@ -4,6 +4,7 @@
     "": {
       "name": "backend",
       "dependencies": {
+        "@google/genai": "^1.16.0",
         "@prisma/client": "6.14.0",
         "@types/cors": "^2.8.19",
         "@types/express": "^5.0.3",
@@ -16,6 +17,7 @@
         "prisma": "^6.14.0",
         "razorpay": "^2.9.6",
         "totp-generator": "^1.0.0",
+        "uuid": "^11.1.0",
         "zod": "^4.0.17",
       },
       "devDependencies": {
@@ -27,6 +29,8 @@
     },
   },
   "packages": {
+    "@google/genai": ["@google/genai@1.16.0", "", { "dependencies": { "google-auth-library": "^9.14.2", "ws": "^8.18.0" }, "peerDependencies": { "@modelcontextprotocol/sdk": "^1.11.4" }, "optionalPeers": ["@modelcontextprotocol/sdk"] }, "sha512-hdTYu39QgDFxv+FB6BK2zi4UIJGWhx2iPc0pHQ0C5Q/RCi+m+4gsryIzTGO+riqWcUA8/WGYp6hpqckdOBNysw=="],
+
     "@prisma/client": ["@prisma/client@6.14.0", "", { "peerDependencies": { "prisma": "*", "typescript": ">=5.1.0" }, "optionalPeers": ["prisma", "typescript"] }, "sha512-8E/Nk3eL5g7RQIg/LUj1ICyDmhD053STjxrPxUtCRybs2s/2sOEcx9NpITuAOPn07HEpWBfhAVe1T/HYWXUPOw=="],
 
     "@prisma/config": ["@prisma/config@6.14.0", "", { "dependencies": { "c12": "3.1.0", "deepmerge-ts": "7.1.5", "effect": "3.16.12", "empathic": "2.0.0" } }, "sha512-IwC7o5KNNGhmblLs23swnfBjADkacBb7wvyDXUWLwuvUQciKJZqyecU0jw0d7JRkswrj+XTL8fdr0y2/VerKQQ=="],
@@ -77,10 +81,16 @@
 
     "accepts": ["accepts@2.0.0", "", { "dependencies": { "mime-types": "^3.0.0", "negotiator": "^1.0.0" } }, "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng=="],
 
+    "agent-base": ["agent-base@7.1.4", "", {}, "sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ=="],
+
     "asynckit": ["asynckit@0.4.0", "", {}, "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="],
 
     "axios": ["axios@1.11.0", "", { "dependencies": { "follow-redirects": "^1.15.6", "form-data": "^4.0.4", "proxy-from-env": "^1.1.0" } }, "sha512-1Lx3WLFQWm3ooKDYZD1eXmoGO9fxYQjrycfHFC8P0sCfQVXyROp0p9PFWBehewBOdCwHc+f/b8I0fMto5eSfwA=="],
 
+    "base64-js": ["base64-js@1.5.1", "", {}, "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="],
+
+    "bignumber.js": ["bignumber.js@9.3.1", "", {}, "sha512-Ko0uX15oIUS7wJ3Rb30Fs6SkVbLmPBAKdlm7q9+ak9bbIeFf0MwuBsQV6z7+X768/cHsfg+WlysDWJcmthjsjQ=="],
+
     "body-parser": ["body-parser@2.2.0", "", { "dependencies": { "bytes": "^3.1.2", "content-type": "^1.0.5", "debug": "^4.4.0", "http-errors": "^2.0.0", "iconv-lite": "^0.6.3", "on-finished": "^2.4.1", "qs": "^6.14.0", "raw-body": "^3.0.0", "type-is": "^2.0.0" } }, "sha512-02qvAaxv8tp7fBa/mw1ga98OGm+eCbqzJOKoRt70sLmfEEi+jyBYVTDGfCL/k06/4EMk/z01gCe7HoCH/f2LTg=="],
 
     "buffer-equal-constant-time": ["buffer-equal-constant-time@1.0.1", "", {}, "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="],
@@ -161,6 +171,8 @@
 
     "exsolve": ["exsolve@1.0.7", "", {}, "sha512-VO5fQUzZtI6C+vx4w/4BWJpg3s/5l+6pRQEHzFRM8WFi4XffSP1Z+4qi7GbjWbvRQEbdIco5mIMq+zX4rPuLrw=="],
 
+    "extend": ["extend@3.0.2", "", {}, "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="],
+
     "fast-check": ["fast-check@3.23.2", "", { "dependencies": { "pure-rand": "^6.1.0" } }, "sha512-h5+1OzzfCC3Ef7VbtKdcv7zsstUQwUDlYpUTvjeUsJAssPgLn7QzbboPtL5ro04Mq0rPOsMzl7q5hIbRs2wD1A=="],
 
     "finalhandler": ["finalhandler@2.1.0", "", { "dependencies": { "debug": "^4.4.0", "encodeurl": "^2.0.0", "escape-html": "^1.0.3", "on-finished": "^2.4.1", "parseurl": "^1.3.3", "statuses": "^2.0.1" } }, "sha512-/t88Ty3d5JWQbWYgaOGCCYfXRwV1+be02WqYYlL6h0lEiUAMPM8o8qKGO01YIkOHzka2up08wvgYD0mDiI+q3Q=="],
@@ -175,14 +187,24 @@
 
     "function-bind": ["function-bind@1.1.2", "", {}, "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA=="],
 
+    "gaxios": ["gaxios@6.7.1", "", { "dependencies": { "extend": "^3.0.2", "https-proxy-agent": "^7.0.1", "is-stream": "^2.0.0", "node-fetch": "^2.6.9", "uuid": "^9.0.1" } }, "sha512-LDODD4TMYx7XXdpwxAVRAIAuB0bzv0s+ywFonY46k126qzQHT9ygyoa9tncmOiQmmDrik65UYsEkv3lbfqQ3yQ=="],
+
+    "gcp-metadata": ["gcp-metadata@6.1.1", "", { "dependencies": { "gaxios": "^6.1.1", "google-logging-utils": "^0.0.2", "json-bigint": "^1.0.0" } }, "sha512-a4tiq7E0/5fTjxPAaH4jpjkSv/uCaU2p5KC6HVGrvl0cDjA8iBZv4vv1gyzlmK0ZUKqwpOyQMKzZQe3lTit77A=="],
+
     "get-intrinsic": ["get-intrinsic@1.3.0", "", { "dependencies": { "call-bind-apply-helpers": "^1.0.2", "es-define-property": "^1.0.1", "es-errors": "^1.3.0", "es-object-atoms": "^1.1.1", "function-bind": "^1.1.2", "get-proto": "^1.0.1", "gopd": "^1.2.0", "has-symbols": "^1.1.0", "hasown": "^2.0.2", "math-intrinsics": "^1.1.0" } }, "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ=="],
 
     "get-proto": ["get-proto@1.0.1", "", { "dependencies": { "dunder-proto": "^1.0.1", "es-object-atoms": "^1.0.0" } }, "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g=="],
 
     "giget": ["giget@2.0.0", "", { "dependencies": { "citty": "^0.1.6", "consola": "^3.4.0", "defu": "^6.1.4", "node-fetch-native": "^1.6.6", "nypm": "^0.6.0", "pathe": "^2.0.3" }, "bin": { "giget": "dist/cli.mjs" } }, "sha512-L5bGsVkxJbJgdnwyuheIunkGatUF/zssUoxxjACCseZYAVbaqdh9Tsmmlkl8vYan09H7sbvKt4pS8GqKLBrEzA=="],
 
+    "google-auth-library": ["google-auth-library@9.15.1", "", { "dependencies": { "base64-js": "^1.3.0", "ecdsa-sig-formatter": "^1.0.11", "gaxios": "^6.1.1", "gcp-metadata": "^6.1.0", "gtoken": "^7.0.0", "jws": "^4.0.0" } }, "sha512-Jb6Z0+nvECVz+2lzSMt9u98UsoakXxA2HGHMCxh+so3n90XgYWkq5dur19JAJV7ONiJY22yBTyJB1TSkvPq9Ng=="],
+
+    "google-logging-utils": ["google-logging-utils@0.0.2", "", {}, "sha512-NEgUnEcBiP5HrPzufUkBzJOD/Sxsco3rLNo1F1TNf7ieU8ryUzBhqba8r756CjLX7rn3fHl6iLEwPYuqpoKgQQ=="],
+
     "gopd": ["gopd@1.2.0", "", {}, "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg=="],
 
+    "gtoken": ["gtoken@7.1.0", "", { "dependencies": { "gaxios": "^6.0.0", "jws": "^4.0.0" } }, "sha512-pCcEwRi+TKpMlxAQObHDQ56KawURgyAf6jtIY046fJ5tIv3zDe/LEIubckAO8fj6JnAxLdmWkUfNyulQ2iKdEw=="],
+
     "has-symbols": ["has-symbols@1.1.0", "", {}, "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ=="],
 
     "has-tostringtag": ["has-tostringtag@1.0.2", "", { "dependencies": { "has-symbols": "^1.0.3" } }, "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw=="],
@@ -193,6 +215,8 @@
 
     "http-errors": ["http-errors@2.0.0", "", { "dependencies": { "depd": "2.0.0", "inherits": "2.0.4", "setprototypeof": "1.2.0", "statuses": "2.0.1", "toidentifier": "1.0.1" } }, "sha512-FtwrG/euBzaEjYeRqOgly7G0qviiXoJWnvEH2Z1plBdXgbyjv34pHTSb9zoeHMyDy33+DWy5Wt9Wo+TURtOYSQ=="],
 
+    "https-proxy-agent": ["https-proxy-agent@7.0.6", "", { "dependencies": { "agent-base": "^7.1.2", "debug": "4" } }, "sha512-vK9P5/iUfdl95AI+JVyUuIcVtd4ofvtrOr3HNtM2yxC9bnMbEdp3x01OhQNnjb8IJYi38VlTE3mBXwcfvywuSw=="],
+
     "iconv-lite": ["iconv-lite@0.6.3", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw=="],
 
     "inherits": ["inherits@2.0.4", "", {}, "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="],
@@ -203,8 +227,12 @@
 
     "is-promise": ["is-promise@4.0.0", "", {}, "sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ=="],
 
+    "is-stream": ["is-stream@2.0.1", "", {}, "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg=="],
+
     "jiti": ["jiti@2.5.1", "", { "bin": { "jiti": "lib/jiti-cli.mjs" } }, "sha512-twQoecYPiVA5K/h6SxtORw/Bs3ar+mLUtoPSc7iMXzQzK8d7eJ/R09wmTwAjiamETn1cXYPGfNnu7DMoHgu12w=="],
 
+    "json-bigint": ["json-bigint@1.0.0", "", { "dependencies": { "bignumber.js": "^9.0.0" } }, "sha512-SiPv/8VpZuWbvLSMtTDU8hEfrZWg/mH/nV/b4o0CYbSxu1UIQPLdwKOCIyLQX+VIPO5vrLX3i8qtqFyhdPSUSQ=="],
+
     "jsonwebtoken": ["jsonwebtoken@9.0.2", "", { "dependencies": { "jws": "^3.2.2", "lodash.includes": "^4.3.0", "lodash.isboolean": "^3.0.3", "lodash.isinteger": "^4.0.4", "lodash.isnumber": "^3.0.3", "lodash.isplainobject": "^4.0.6", "lodash.isstring": "^4.0.1", "lodash.once": "^4.0.0", "ms": "^2.1.1", "semver": "^7.5.4" } }, "sha512-PRp66vJ865SSqOlgqS8hujT5U4AOgMfhrwYIuIhfKaoSCZcirrmASQr8CX7cUg+RMih+hgznrjp99o+W4pJLHQ=="],
 
     "jssha": ["jssha@3.3.1", "", {}, "sha512-VCMZj12FCFMQYcFLPRm/0lOBbLi8uM2BhXPTqw3U4YAfs4AZfiApOoBLoN8cQE60Z50m1MYMTQVCfgF/KaCVhQ=="],
@@ -241,6 +269,8 @@
 
     "negotiator": ["negotiator@1.0.0", "", {}, "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg=="],
 
+    "node-fetch": ["node-fetch@2.7.0", "", { "dependencies": { "whatwg-url": "^5.0.0" }, "peerDependencies": { "encoding": "^0.1.0" }, "optionalPeers": ["encoding"] }, "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A=="],
+
     "node-fetch-native": ["node-fetch-native@1.6.7", "", {}, "sha512-g9yhqoedzIUm0nTnTqAQvueMPVOuIY16bqgAJJC8XOOubYFNwz6IER9qs0Gq2Xd0+CecCKFjtdDTMA4u4xG06Q=="],
 
     "nypm": ["nypm@0.6.1", "", { "dependencies": { "citty": "^0.1.6", "consola": "^3.4.2", "pathe": "^2.0.3", "pkg-types": "^2.2.0", "tinyexec": "^1.0.1" }, "bin": { "nypm": "dist/cli.mjs" } }, "sha512-hlacBiRiv1k9hZFiphPUkfSQ/ZfQzZDzC+8z0wL3lvDAOUu/2NnChkKuMoMjNur/9OpKuz2QsIeiPVN0xM5Q0w=="],
@@ -315,6 +345,8 @@
 
     "totp-generator": ["totp-generator@1.0.0", "", { "dependencies": { "jssha": "^3.3.1" } }, "sha512-Iu/1Lk60/MH8FE+5cDWPiGbwKK1hxzSq+KT9oSqhZ1BEczGIKGcN50bP0WMLiIZKRg7t29iWLxw6f81TICQdoA=="],
 
+    "tr46": ["tr46@0.0.3", "", {}, "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="],
+
     "type-is": ["type-is@2.0.1", "", { "dependencies": { "content-type": "^1.0.5", "media-typer": "^1.1.0", "mime-types": "^3.0.0" } }, "sha512-OZs6gsjF4vMp32qrCbiVSkrFmXtG/AZhY3t0iAMrMBiAZyV9oALtXO8hsrHbMXF9x6L3grlFuwW2oAz7cav+Gw=="],
 
     "typescript": ["typescript@5.9.2", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A=="],
@@ -323,16 +355,34 @@
 
     "unpipe": ["unpipe@1.0.0", "", {}, "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="],
 
+    "uuid": ["uuid@11.1.0", "", { "bin": { "uuid": "dist/esm/bin/uuid" } }, "sha512-0/A9rDy9P7cJ+8w1c9WD9V//9Wj15Ce2MPz8Ri6032usz+NfePxx5AcN3bN+r6ZL6jEo066/yNYB3tn4pQEx+A=="],
+
     "vary": ["vary@1.1.2", "", {}, "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="],
 
+    "webidl-conversions": ["webidl-conversions@3.0.1", "", {}, "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="],
+
+    "whatwg-url": ["whatwg-url@5.0.0", "", { "dependencies": { "tr46": "~0.0.3", "webidl-conversions": "^3.0.0" } }, "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw=="],
+
     "wrappy": ["wrappy@1.0.2", "", {}, "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="],
 
+    "ws": ["ws@8.18.3", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg=="],
+
     "zod": ["zod@4.0.17", "", {}, "sha512-1PHjlYRevNxxdy2JZ8JcNAw7rX8V9P1AKkP+x/xZfxB0K5FYfuV+Ug6P/6NVSR2jHQ+FzDDoDHS04nYUsOIyLQ=="],
 
     "form-data/mime-types": ["mime-types@2.1.35", "", { "dependencies": { "mime-db": "1.52.0" } }, "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw=="],
 
+    "gaxios/uuid": ["uuid@9.0.1", "", { "bin": { "uuid": "dist/bin/uuid" } }, "sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA=="],
+
+    "google-auth-library/jws": ["jws@4.0.0", "", { "dependencies": { "jwa": "^2.0.0", "safe-buffer": "^5.0.1" } }, "sha512-KDncfTmOZoOMTFG4mBlG0qUIOlc03fmzH+ru6RgYVZhPkyiy/92Owlt/8UEN+a4TXR1FQetfIpJE8ApdvdVxTg=="],
+
+    "gtoken/jws": ["jws@4.0.0", "", { "dependencies": { "jwa": "^2.0.0", "safe-buffer": "^5.0.1" } }, "sha512-KDncfTmOZoOMTFG4mBlG0qUIOlc03fmzH+ru6RgYVZhPkyiy/92Owlt/8UEN+a4TXR1FQetfIpJE8ApdvdVxTg=="],
+
     "http-errors/statuses": ["statuses@2.0.1", "", {}, "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ=="],
 
     "form-data/mime-types/mime-db": ["mime-db@1.52.0", "", {}, "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="],
+
+    "google-auth-library/jws/jwa": ["jwa@2.0.1", "", { "dependencies": { "buffer-equal-constant-time": "^1.0.1", "ecdsa-sig-formatter": "1.0.11", "safe-buffer": "^5.0.1" } }, "sha512-hRF04fqJIP8Abbkq5NKGN0Bbr3JxlQ+qhZufXVr0DvujKy93ZCbXZMHDL4EOtodSbCWxOqR8MS1tXA5hwqCXDg=="],
+
+    "gtoken/jws/jwa": ["jwa@2.0.1", "", { "dependencies": { "buffer-equal-constant-time": "^1.0.1", "ecdsa-sig-formatter": "1.0.11", "safe-buffer": "^5.0.1" } }, "sha512-hRF04fqJIP8Abbkq5NKGN0Bbr3JxlQ+qhZufXVr0DvujKy93ZCbXZMHDL4EOtodSbCWxOqR8MS1tXA5hwqCXDg=="],
   }
 }

backend/package.json

@@ -16,6 +16,7 @@
     "typescript": "^5.0.0"
   },
   "dependencies": {
+    "@google/genai": "^1.16.0",
     "@prisma/client": "6.14.0",
     "@types/cors": "^2.8.19",
     "@types/express": "^5.0.3",
@@ -28,6 +29,7 @@
     "prisma": "^6.14.0",
     "razorpay": "^2.9.6",
     "totp-generator": "^1.0.0",
+    "uuid": "^11.1.0",
     "zod": "^4.0.17"
   }
 }

backend/prisma/migrations/20250831114125_added_youtube_summarization_execution_type/migration.sql

@@ -0,0 +1,2 @@
+-- AlterEnum
+ALTER TYPE "public"."ExecutionType" ADD VALUE 'YOUTUBE_SUMMARIZER';

backend/prisma/schema.prisma

@@ -40,6 +40,7 @@ model Execution {
 enum ExecutionType {
   CONVERSATION
   ARTICLE_SUMMARIZER
+  YOUTUBE_SUMMARIZER
 }
 
 model Conversation {

backend/routes/apps/app.ts

@@ -32,6 +32,10 @@ export abstract class App {
         }
     }
 
+    public getPerExecutionCredit(): number {
+        return this.per_execution_credit;
+    }
+
     initStreamableRoute() {
         return (req: Request, res: Response) => {
             const result = this.zodSchema.safeParse(req.body);

backend/routes/apps/index.ts

@@ -1,12 +1,13 @@
 import { Router } from "express";
 import { ArticleSummarizer } from "./article-summarizer";
+import { YoutubeSummarizer } from "./youtube-summarizer";
 import { authMiddleware } from "../../auth-middleware";
 import { PrismaClient } from "../../generated/prisma";
 
 const router = Router();
 
 router.get("/", (req, res) => {
-    res.json(["article-summarizer"]);
+    res.json(["article-summarizer", "youtube-summarizer"]);
 });
 
 const prismaClient = new PrismaClient();
@@ -44,7 +45,7 @@ router.get("/article-summarizer/:executionId", authMiddleware, async (req, res)
     });
 });
 
-router.post("/article-summarizer", authMiddleware, (req, res) => {
+router.post("/article-summarizer", authMiddleware, async (req, res) => {
     // Set SSE headers
     res.setHeader('Content-Type', 'text/event-stream');
     res.setHeader('Cache-Control', 'no-cache');
@@ -65,6 +66,20 @@ router.post("/article-summarizer", authMiddleware, (req, res) => {
         return;
     }
 
+    // Check and deduct credits before starting stream
+    try {
+        const user = await prismaClient.user.findUnique({ where: { id: req.userId }, select: { credits: true } });
+        const cost = articleSummarizer.getPerExecutionCredit();
+        if (!user || user.credits < cost) {
+            res.status(403).json({ error: "Insufficient credits" });
+            return;
+        }
+        await prismaClient.user.update({ where: { id: req.userId }, data: { credits: { decrement: cost } } });
+    } catch (e) {
+        res.status(500).json({ error: "Failed to deduct credits" });
+        return;
+    }
+
     articleSummarizer.runStreamable(result.data as any, (chunk: string) => {
         // Send data in SSE format
         res.write(`data: ${chunk}\n\n`);
@@ -78,4 +93,47 @@ router.post("/article-summarizer", authMiddleware, (req, res) => {
     });
 });
 
+router.post("/youtube-summarizer", authMiddleware, async (req, res) => {
+    res.setHeader('Content-Type', 'text/event-stream');
+    res.setHeader('Cache-Control', 'no-cache');
+    res.setHeader('Connection', 'keep-alive');
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Access-Control-Allow-Headers', 'Cache-Control');
+
+    const youtubeSummarizer = new YoutubeSummarizer();
+
+    const result = youtubeSummarizer.zodSchema.safeParse({
+        ...req.body,
+        userId: req.userId
+    });
+
+    if (!result.success) {
+        res.status(400).json({ error: result.error.message });
+        return;
+    }
+
+    // Check and deduct credits before starting stream
+    try {
+        const user = await prismaClient.user.findUnique({ where: { id: req.userId }, select: { credits: true } });
+        const cost = youtubeSummarizer.getPerExecutionCredit();
+        if (!user || user.credits < cost) {
+            res.status(403).json({ error: "Insufficient credits" });
+            return;
+        }
+        await prismaClient.user.update({ where: { id: req.userId }, data: { credits: { decrement: cost } } });
+    } catch (e) {
+        res.status(500).json({ error: "Failed to deduct credits" });
+        return;
+    }
+
+    youtubeSummarizer.runStreamable(result.data as any, (chunk: string) => {
+        res.write(`data: ${chunk}\n\n`);
+    }).then(() => {
+        res.end();
+    }).catch((error) => {
+        res.write(`data: {"error": "${error.message}"}\n\n`);
+        res.end();
+    });
+});
+
 export default router;