fix(bug): Could not find MIME for Buffer <null>

Merge branch 'Steven'
Merge branch 'multi_prompt_local_storage'
2026-02-01 09:12:29 -08:00 · 2026-01-31 21:21:55 -08:00 · 2026-01-31 11:13:41 -08:00 · 2026-01-31 11:11:25 -08:00 · 2026-01-30 21:26:38 -08:00 · 2026-01-30 16:31:09 -08:00
11 changed files with 1124 additions and 272 deletions
--- a/app.json
+++ b/app.json
@@ -19,14 +19,10 @@
      "bundleIdentifier": "com.sentinel.app"
    },
    "android": {
-      "adaptiveIcon": {
-        "foregroundImage": "./assets/adaptive-icon.png",
-        "backgroundColor": "#459E9E"
-      },
      "package": "com.sentinel.app"
    },
    "web": {
-      "favicon": "./assets/favicon.png",
+      "favicon": "./assets/icon.png",
      "bundler": "metro"
    }
  }
--- a/package-lock.json
+++ b/package-lock.json
@@ -82,7 +82,6 @@
      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.28.6.tgz",
      "integrity": "sha512-H3mcG6ZDLTlYfaSNi0iOKkigqMFvkTKlGUYlD8GW7nNOYRrevuA46iTypPyv+06V3fEmvvazfntkBU34L0azAw==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "@babel/code-frame": "^7.28.6",
        "@babel/generator": "^7.28.6",
@@ -486,6 +485,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-bugfix-firefox-class-in-computed-class-key/-/plugin-bugfix-firefox-class-in-computed-class-key-7.28.5.tgz",
      "integrity": "sha512-87GDMS3tsmMSi/3bWOte1UblL+YUTFMV8SZPZ2eSEL17s74Cw/l63rR6NmGVKMYW2GYi85nE+/d6Hw5N0bEk2Q==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1",
        "@babel/traverse": "^7.28.5"
@@ -502,6 +502,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-bugfix-safari-class-field-initializer-scope/-/plugin-bugfix-safari-class-field-initializer-scope-7.27.1.tgz",
      "integrity": "sha512-qNeq3bCKnGgLkEXUuFry6dPlGfCdQNZbn7yUAPCInwAJHMU7THJfrBSozkcWq5sNM6RcF3S8XyQL2A52KNR9IA==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -517,6 +518,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-bugfix-safari-id-destructuring-collision-in-function-expression/-/plugin-bugfix-safari-id-destructuring-collision-in-function-expression-7.27.1.tgz",
      "integrity": "sha512-g4L7OYun04N1WyqMNjldFwlfPCLVkgB54A/YCXICZYBsvJJE3kByKv9c9+R/nAfmIfjl2rKYLNyMHboYbZaWaA==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -532,6 +534,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/-/plugin-bugfix-v8-spread-parameters-in-optional-chaining-7.27.1.tgz",
      "integrity": "sha512-oO02gcONcD5O1iTLi/6frMJBIwWEHceWGSGqrpCmEL8nogiS6J9PBlE48CaK20/Jx1LuRml9aDftLgdjXT8+Cw==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1",
        "@babel/helper-skip-transparent-expression-wrappers": "^7.27.1",
@@ -549,6 +552,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-bugfix-v8-static-class-fields-redefine-readonly/-/plugin-bugfix-v8-static-class-fields-redefine-readonly-7.28.6.tgz",
      "integrity": "sha512-a0aBScVTlNaiUe35UtfxAN7A/tehvvG4/ByO6+46VPKTRSlfnAFsgKy0FUh+qAkQrDTmhDkT+IBOKlOoMUxQ0g==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.28.6",
        "@babel/traverse": "^7.28.6"
@@ -649,6 +653,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-private-property-in-object/-/plugin-proposal-private-property-in-object-7.21.0-placeholder-for-preset-env.2.tgz",
      "integrity": "sha512-SOSkfJDddaM7mak6cPEpswyTRnuRltl429hMraQEglW+OkovnCzsiszTmsrlY//qLFjCpQDFRvjdm2wA5pPm9w==",
      "license": "MIT",
+      "peer": true,
      "engines": {
        "node": ">=6.9.0"
      },
@@ -769,6 +774,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-import-assertions/-/plugin-syntax-import-assertions-7.28.6.tgz",
      "integrity": "sha512-pSJUpFHdx9z5nqTSirOCMtYVP2wFgoWhP0p3g8ONK/4IHhLIBd0B9NYqAvIUAhq+OkhO4VM1tENCt0cjlsNShw==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.28.6"
      },
@@ -955,6 +961,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-unicode-sets-regex/-/plugin-syntax-unicode-sets-regex-7.18.6.tgz",
      "integrity": "sha512-727YkEAPwSIQTv5im8QHz3upqp92JTWhidIC81Tdx4VJYIte/VndKf1qKrfnnhPLiPghStWfvC/iFaMCQu7Nqg==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-create-regexp-features-plugin": "^7.18.6",
        "@babel/helper-plugin-utils": "^7.18.6"
@@ -1020,6 +1027,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.27.1.tgz",
      "integrity": "sha512-cnqkuOtZLapWYZUYM5rVIdv1nXYuFVIltZ6ZJ7nIj585QsjKM5dhL2Fu/lICXZ1OyIAFc7Qy+bvDAtTXqGrlhg==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1066,6 +1074,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-class-static-block/-/plugin-transform-class-static-block-7.28.6.tgz",
      "integrity": "sha512-rfQ++ghVwTWTqQ7w8qyDxL1XGihjBss4CmTgGRCTAC9RIbhVpyp4fOeZtta0Lbf+dTNIVJer6ych2ibHwkZqsQ==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-create-class-features-plugin": "^7.28.6",
        "@babel/helper-plugin-utils": "^7.28.6"
@@ -1134,6 +1143,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.28.6.tgz",
      "integrity": "sha512-SljjowuNKB7q5Oayv4FoPzeB74g3QgLt8IVJw9ADvWy3QnUb/01aw8I4AVv8wYnPvQz2GDDZ/g3GhcNyDBI4Bg==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-create-regexp-features-plugin": "^7.28.5",
        "@babel/helper-plugin-utils": "^7.28.6"
@@ -1150,6 +1160,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.27.1.tgz",
      "integrity": "sha512-MTyJk98sHvSs+cvZ4nOauwTTG1JeonDjSGvGGUNHreGQns+Mpt6WX/dVzWBHgg+dYZhkC4X+zTDfkTU+Vy9y7Q==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1165,6 +1176,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-duplicate-named-capturing-groups-regex/-/plugin-transform-duplicate-named-capturing-groups-regex-7.28.6.tgz",
      "integrity": "sha512-5suVoXjC14lUN6ZL9OLKIHCNVWCrqGqlmEp/ixdXjvgnEl/kauLvvMO/Xw9NyMc95Joj1AeLVPVMvibBgSoFlA==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-create-regexp-features-plugin": "^7.28.5",
        "@babel/helper-plugin-utils": "^7.28.6"
@@ -1181,6 +1193,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-dynamic-import/-/plugin-transform-dynamic-import-7.27.1.tgz",
      "integrity": "sha512-MHzkWQcEmjzzVW9j2q8LGjwGWpG2mjwaaB0BNQwst3FIjqsg8Ct/mIZlvSPJvfi9y2AC8mi/ktxbFVL9pZ1I4A==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1196,6 +1209,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-explicit-resource-management/-/plugin-transform-explicit-resource-management-7.28.6.tgz",
      "integrity": "sha512-Iao5Konzx2b6g7EPqTy40UZbcdXE126tTxVFr/nAIj+WItNxjKSYTEw3RC+A2/ZetmdJsgueL1KhaMCQHkLPIg==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.28.6",
        "@babel/plugin-transform-destructuring": "^7.28.5"
@@ -1212,6 +1226,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.28.6.tgz",
      "integrity": "sha512-WitabqiGjV/vJ0aPOLSFfNY1u9U3R7W36B03r5I2KoNix+a3sOhJ3pKFB3R5It9/UiK78NiO0KE9P21cMhlPkw==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.28.6"
      },
@@ -1291,6 +1306,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-json-strings/-/plugin-transform-json-strings-7.28.6.tgz",
      "integrity": "sha512-Nr+hEN+0geQkzhbdgQVPoqr47lZbm+5fCUmO70722xJZd0Mvb59+33QLImGj6F+DkK3xgDi1YVysP8whD6FQAw==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.28.6"
      },
@@ -1336,6 +1352,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-member-expression-literals/-/plugin-transform-member-expression-literals-7.27.1.tgz",
      "integrity": "sha512-hqoBX4dcZ1I33jCSWcXrP+1Ku7kdqXf1oeah7ooKOIiAdKQ+uqftgCFNOSzA5AMS2XIHEYeGFg4cKRCdpxzVOQ==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1351,6 +1368,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.27.1.tgz",
      "integrity": "sha512-iCsytMg/N9/oFq6n+gFTvUYDZQOMK5kEdeYxmxt91fcJGycfxVP9CnrxoliM0oumFERba2i8ZtwRUCMhvP1LnA==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-module-transforms": "^7.27.1",
        "@babel/helper-plugin-utils": "^7.27.1"
@@ -1383,6 +1401,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.28.5.tgz",
      "integrity": "sha512-vn5Jma98LCOeBy/KpeQhXcV2WZgaRUtjwQmjoBuLNlOmkg0fB5pdvYVeWRYI69wWKwK2cD1QbMiUQnoujWvrew==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-module-transforms": "^7.28.3",
        "@babel/helper-plugin-utils": "^7.27.1",
@@ -1401,6 +1420,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.27.1.tgz",
      "integrity": "sha512-iQBE/xC5BV1OxJbp6WG7jq9IWiD+xxlZhLrdwpPkTX3ydmXdvoCpyfJN7acaIBZaOqTfr76pgzqBJflNbeRK+w==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-module-transforms": "^7.27.1",
        "@babel/helper-plugin-utils": "^7.27.1"
@@ -1433,6 +1453,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.27.1.tgz",
      "integrity": "sha512-f6PiYeqXQ05lYq3TIfIDu/MtliKUbNwkGApPUvyo6+tc7uaR4cPjPe7DFPr15Uyycg2lZU6btZ575CuQoYh7MQ==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1497,6 +1518,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.27.1.tgz",
      "integrity": "sha512-SFy8S9plRPbIcxlJ8A6mT/CxFdJx/c04JEctz4jf8YZaVS2px34j7NXRrlGlHkN/M2gnpL37ZpGRGVFLd3l8Ng==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1",
        "@babel/helper-replace-supers": "^7.27.1"
@@ -1592,6 +1614,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-property-literals/-/plugin-transform-property-literals-7.27.1.tgz",
      "integrity": "sha512-oThy3BCuCha8kDZ8ZkgOg2exvPYUlprMukKQXI1r1pJ47NCvxfkEy8vK+r/hT9nF0Aa4H1WUPZZjHTFtAhGfmQ==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1717,6 +1740,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-regexp-modifiers/-/plugin-transform-regexp-modifiers-7.28.6.tgz",
      "integrity": "sha512-QGWAepm9qxpaIs7UM9FvUSnCGlb8Ua1RhyM4/veAxLwt3gMat/LSGrZixyuj4I6+Kn9iwvqCyPTtbdxanYoWYg==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-create-regexp-features-plugin": "^7.28.5",
        "@babel/helper-plugin-utils": "^7.28.6"
@@ -1733,6 +1757,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-reserved-words/-/plugin-transform-reserved-words-7.27.1.tgz",
      "integrity": "sha512-V2ABPHIJX4kC7HegLkYoDpfg9PVmuWy/i6vUM5eGK22bx4YVFD3M5F0QQnWQoDs6AGsUWTVOopBiMFQgHaSkVw==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1829,6 +1854,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.27.1.tgz",
      "integrity": "sha512-RiSILC+nRJM7FY5srIyc4/fGIwUhyDuuBSdWn4y6yT6gm652DpCHZjIipgn6B7MQ1ITOUnAKWixEUjQRIBIcLw==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1863,6 +1889,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-unicode-escapes/-/plugin-transform-unicode-escapes-7.27.1.tgz",
      "integrity": "sha512-Ysg4v6AmF26k9vpfFuTZg8HRfVWzsh1kVfowA23y9j/Gu6dOuahdUVhkLqpObp3JIv27MLSii6noRnuKN8H0Mg==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.27.1"
      },
@@ -1878,6 +1905,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-unicode-property-regex/-/plugin-transform-unicode-property-regex-7.28.6.tgz",
      "integrity": "sha512-4Wlbdl/sIZjzi/8St0evF0gEZrgOswVO6aOzqxh1kDZOl9WmLrHq2HtGhnOJZmHZYKP8WZ1MDLCt5DAWwRo57A==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-create-regexp-features-plugin": "^7.28.5",
        "@babel/helper-plugin-utils": "^7.28.6"
@@ -1910,6 +1938,7 @@
      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-unicode-sets-regex/-/plugin-transform-unicode-sets-regex-7.28.6.tgz",
      "integrity": "sha512-/wHc/paTUmsDYN7SZkpWxogTOBNnlx7nBQYfy6JJlCT7G3mVhltk3e++N7zV0XfgGsrqBxd4rJQt9H16I21Y1Q==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-create-regexp-features-plugin": "^7.28.5",
        "@babel/helper-plugin-utils": "^7.28.6"
@@ -2028,6 +2057,7 @@
      "resolved": "https://registry.npmjs.org/@babel/preset-modules/-/preset-modules-0.1.6-no-external-plugins.tgz",
      "integrity": "sha512-HrcgcIESLm9aIR842yhJ5RWan/gebQUJ6E/E5+rf0y9o6oj7w0Br+sWuL6kEQ/o/AdfvR1Je9jG18/gnpwjEyA==",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@babel/helper-plugin-utils": "^7.0.0",
        "@babel/types": "^7.4.4",
@@ -2645,7 +2675,6 @@
      "resolved": "https://registry.npmjs.org/@expo/metro-runtime/-/metro-runtime-4.0.1.tgz",
      "integrity": "sha512-CRpbLvdJ1T42S+lrYa1iZp1KfDeBp4oeZOK3hdpiS5n0vR0nhD6sC1gGF0sTboCTp64tLteikz5Y3j53dvgOIw==",
      "license": "MIT",
-      "peer": true,
      "peerDependencies": {
        "react-native": "*"
      }
@@ -3702,7 +3731,6 @@
      "resolved": "https://registry.npmjs.org/@react-navigation/native/-/native-6.1.18.tgz",
      "integrity": "sha512-mIT9MiL/vMm4eirLcmw2h6h/Nm5FICtnYSdohq4vTLA2FF/6PNhByM7s8ffqoVfE5L0uAa6Xda1B7oddolUiGg==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "@react-navigation/core": "^6.4.17",
        "escape-string-regexp": "^4.0.0",
@@ -3884,7 +3912,6 @@
      "integrity": "sha512-cisd7gxkzjBKU2GgdYrTdtQx1SORymWyaAFhaxQPK9bYO9ot3Y5OikQRvY0VYQtvwjeQnizCINJAenh/V7MK2w==",
      "devOptional": true,
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "@types/prop-types": "*",
        "csstype": "^3.2.2"
@@ -4505,7 +4532,6 @@
        }
      ],
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "baseline-browser-mapping": "^2.9.0",
        "caniuse-lite": "^1.0.30001759",
@@ -5530,6 +5556,7 @@
      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz",
      "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
      "license": "BSD-2-Clause",
+      "peer": true,
      "engines": {
        "node": ">=0.10.0"
      }
@@ -5654,7 +5681,6 @@
      "resolved": "https://registry.npmjs.org/expo/-/expo-52.0.48.tgz",
      "integrity": "sha512-/HR/vuo57KGEWlvF3GWaquwEAjXuA5hrOCsaLcZ3pMSA8mQ27qKd1jva4GWzpxXYedlzs/7LLP1XpZo6hXTsog==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "@babel/runtime": "^7.20.0",
        "@expo/cli": "0.22.27",
@@ -9182,7 +9208,6 @@
      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "loose-envify": "^1.1.0"
      },
@@ -9266,7 +9291,6 @@
      "resolved": "https://registry.npmjs.org/react-native/-/react-native-0.76.9.tgz",
      "integrity": "sha512-+LRwecWmTDco7OweGsrECIqJu0iyrREd6CTCgC/uLLYipiHvk+MH9nd6drFtCw/6Blz6eoKTcH9YTTJusNtrWg==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "@jest/create-cache-key-function": "^29.6.3",
        "@react-native/assets-registry": "0.76.9",
@@ -9368,7 +9392,6 @@
      "resolved": "https://registry.npmjs.org/react-native-safe-area-context/-/react-native-safe-area-context-4.12.0.tgz",
      "integrity": "sha512-ukk5PxcF4p3yu6qMZcmeiZgowhb5AsKRnil54YFUUAXVIS7PJcMHGGC+q44fCiBg44/1AJk5njGMez1m9H0BVQ==",
      "license": "MIT",
-      "peer": true,
      "peerDependencies": {
        "react": "*",
        "react-native": "*"
@@ -9379,7 +9402,6 @@
      "resolved": "https://registry.npmjs.org/react-native-screens/-/react-native-screens-4.4.0.tgz",
      "integrity": "sha512-c7zc7Zwjty6/pGyuuvh9gK3YBYqHPOxrhXfG1lF4gHlojQSmIx2piNbNaV+Uykj+RDTmFXK0e/hA+fucw/Qozg==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "react-freeze": "^1.0.0",
        "warn-once": "^0.1.0"
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -27,7 +27,7 @@ export const DEBUG_MODE = true;
 /**
 * Base URL for the backend API server
 */
-export const API_BASE_URL = 'http://localhost:8000';
+export const API_BASE_URL = 'http://192.168.56.103:8000';

 /**
 * API request timeout in milliseconds
@@ -138,6 +138,44 @@ export const AI_CONFIG = {
   * Mock response delay in milliseconds (for NO_BACKEND_MODE)
   */
  MOCK_RESPONSE_DELAY: 500,
+
+  /**
+   * AI Roles configuration
+   */
+  ROLES: [
+    {
+      id: 'reflective',
+      name: 'Reflective Assistant',
+      description: 'Helps you dive deep into your thoughts and feelings through meaningful reflection.',
+      systemPrompt: 'You are a helpful journal assistant. Help the user reflect on their thoughts and feelings.',
+      icon: 'journal-outline',
+      iconFamily: 'Ionicons',
+    },
+    {
+      id: 'creative',
+      name: 'Creative Spark',
+      description: 'A partner for brainstorming, creative writing, and exploring new ideas.',
+      systemPrompt: 'You are a creative brainstorming partner. Help the user explore new ideas, write stories, or look at things from a fresh perspective.',
+      icon: 'bulb-outline',
+      iconFamily: 'Ionicons',
+    },
+    {
+      id: 'planner',
+      name: 'Action Planner',
+      description: 'Focused on turning thoughts into actionable plans and organized goals.',
+      systemPrompt: 'You are a productivity coach. Help the user break down their thoughts into actionable steps and clear goals.',
+      icon: 'list-outline',
+      iconFamily: 'Ionicons',
+    },
+    {
+      id: 'empathetic',
+      name: 'Empathetic Guide',
+      description: 'Provides a safe, non-judgmental space for emotional support and empathy.',
+      systemPrompt: 'You are a supportive and empathetic friend. Listen to the user\'s concerns and provide emotional support without judgment.',
+      icon: 'heart-outline',
+      iconFamily: 'Ionicons',
+    },
+  ],
 } as const;

 // =============================================================================
--- a/src/context/AuthContext.tsx
+++ b/src/context/AuthContext.tsx
@@ -9,6 +9,7 @@ import React, { createContext, useContext, useState, useEffect, ReactNode } from
 import AsyncStorage from '@react-native-async-storage/async-storage';
 import { User, LoginRequest, RegisterRequest } from '../types';
 import { authService } from '../services/auth.service';
+import { storageService } from '../services/storage.service';

 // =============================================================================
 // Type Definitions
@@ -137,12 +138,13 @@ export function AuthProvider({ children }: { children: ReactNode }) {
  };

  /**
-   * Sign out and clear stored auth
+   * Sign out and clear stored auth and session data
   */
  const signOut = () => {
    setUser(null);
    setToken(null);
    clearAuth();
+    //storageService.clearAllData();
  };

  return (
--- a/src/screens/FlowScreen.tsx
+++ b/src/screens/FlowScreen.tsx
@@ -31,6 +31,8 @@ import * as ImagePicker from 'expo-image-picker';
 import { colors, typography, spacing, borderRadius, shadows } from '../theme/colors';
 import { aiService } from '../services/ai.service';
 import { useAuth } from '../context/AuthContext';
+import { AI_CONFIG } from '../config';
+import { storageService } from '../services/storage.service';

 // =============================================================================
 // Type Definitions
@@ -57,7 +59,7 @@ interface ChatSession {
 // =============================================================================

 export default function FlowScreen() {
-  const { token, signOut } = useAuth();
+  const { token, user, signOut } = useAuth();
  const scrollViewRef = useRef<ScrollView>(null);

  // Current conversation state
@@ -67,6 +69,11 @@ export default function FlowScreen() {
  const [isRecording, setIsRecording] = useState(false);
  const [selectedImage, setSelectedImage] = useState<string | null>(null);

+  // AI Role state
+  const [selectedRole, setSelectedRole] = useState(AI_CONFIG.ROLES[0]);
+  const [showRoleModal, setShowRoleModal] = useState(false);
+  const [expandedRoleId, setExpandedRoleId] = useState<string | null>(null);
+
  // History modal state
  const [showHistoryModal, setShowHistoryModal] = useState(false);
  const modalSlideAnim = useRef(new Animated.Value(0)).current;
@@ -104,14 +111,78 @@ export default function FlowScreen() {
    day: 'numeric'
  });

-  // Auto-scroll to bottom when new messages arrive
+  // Load history on mount
  useEffect(() => {
+    const loadHistory = async () => {
+      if (!user) return;
+      try {
+        console.log('[FlowScreen] Loading chat history...');
+        const savedHistory = await storageService.getChatHistory(user.id);
+        if (savedHistory && savedHistory.length > 0) {
+          const formattedHistory = savedHistory.map((session: any) => ({
+            ...session,
+            createdAt: new Date(session.createdAt),
+            updatedAt: new Date(session.updatedAt),
+            messages: session.messages.map((msg: any) => ({
+              ...msg,
+              createdAt: new Date(msg.createdAt)
+            }))
+          }));
+          setChatHistory(formattedHistory);
+          console.log('[FlowScreen] Chat history loaded:', formattedHistory.length, 'sessions');
+        } else {
+          console.log('[FlowScreen] No chat history found');
+        }
+      } catch (error) {
+        console.error('Failed to load history:', error);
+      }
+    };
+    loadHistory();
+  }, [user]);
+
+  // Load messages whenever role changes
+  useEffect(() => {
+    const loadRoleMessages = async () => {
+      if (!user) return;
+      try {
+        const savedMessages = await storageService.getCurrentChat(selectedRole.id, user.id);
+        if (savedMessages) {
+          const formattedMessages = savedMessages.map((msg: any) => ({
+            ...msg,
+            createdAt: new Date(msg.createdAt)
+          }));
+          setMessages(formattedMessages);
+        } else {
+          setMessages([]);
+        }
+      } catch (error) {
+        console.error(`Failed to load messages for role ${selectedRole.id}:`, error);
+        setMessages([]);
+      }
+    };
+
+    loadRoleMessages();
+  }, [selectedRole.id, user]);
+
+  // Save current messages for the active role when they change
+  useEffect(() => {
+    if (user && messages.length >= 0) { // Save even if empty to allow clearing
+      storageService.saveCurrentChat(selectedRole.id, messages, user.id);
+    }
+
    if (messages.length > 0) {
      setTimeout(() => {
        scrollViewRef.current?.scrollToEnd({ animated: true });
      }, 100);
    }
-  }, [messages]);
+  }, [messages, selectedRole.id, user]);
+
+  // Save history when it changes
+  useEffect(() => {
+    if (user) {
+      storageService.saveChatHistory(chatHistory, user.id);
+    }
+  }, [chatHistory, user]);

  // Modal animation control
  const openHistoryModal = () => {
@@ -168,8 +239,8 @@ export default function FlowScreen() {
    setMessages(prev => [...prev, userMsg]);

    try {
-      // Call AI proxy
-      const aiResponse = await aiService.sendMessage(userMessage, token);
+      // Call AI proxy with selected role's system prompt
+      const aiResponse = await aiService.sendMessage(userMessage, token, selectedRole.systemPrompt);

      // Add AI response
      const aiMsg: ChatMessage = {
@@ -335,8 +406,11 @@ export default function FlowScreen() {
      setChatHistory(prev => [newSession, ...prev]);
    }

-    // Clear current messages
+    // Clear current messages and storage for this role
    setMessages([]);
+    if (user) {
+      storageService.saveCurrentChat(selectedRole.id, [], user.id);
+    }
    closeHistoryModal();
  };

@@ -451,9 +525,9 @@ export default function FlowScreen() {
      <View style={styles.emptyIcon}>
        <Feather name="feather" size={48} color={colors.nautical.seafoam} />
      </View>
-      <Text style={styles.emptyTitle}>Start a conversation</Text>
+      <Text style={styles.emptyTitle}>Chatting with {selectedRole.name}</Text>
      <Text style={styles.emptySubtitle}>
-        Ask me anything or share your thoughts
+        {selectedRole.description}
      </Text>
    </View>
  );
@@ -505,6 +579,23 @@ export default function FlowScreen() {
              </View>
            </View>

+            {/* Role Header Dropdown */}
+            <TouchableOpacity
+              style={styles.headerRoleButton}
+              onPress={() => setShowRoleModal(true)}
+              activeOpacity={0.7}
+            >
+              <Ionicons
+                name={selectedRole.icon as any}
+                size={16}
+                color={colors.nautical.teal}
+              />
+              <Text style={styles.headerRoleText} numberOfLines={1}>
+                {selectedRole.name}
+              </Text>
+              <Ionicons name="chevron-down" size={14} color={colors.flow.textSecondary} />
+            </TouchableOpacity>
+
            {/* History Button */}
            <TouchableOpacity
              style={styles.historyButton}
@@ -607,7 +698,6 @@ export default function FlowScreen() {
        </SafeAreaView>
      </LinearGradient>

-      {/* History Modal - Background appears instantly, content slides up */}
      <Modal
        visible={showHistoryModal}
        animationType="none"
@@ -670,6 +760,89 @@ export default function FlowScreen() {
          </View>
        </TouchableWithoutFeedback>
      </Modal>
+
+      {/* Role Selection Modal */}
+      <Modal
+        visible={showRoleModal}
+        animationType="fade"
+        transparent
+        onRequestClose={() => setShowRoleModal(false)}
+      >
+        <TouchableWithoutFeedback onPress={() => setShowRoleModal(false)}>
+          <View style={styles.modalOverlay}>
+            <TouchableWithoutFeedback onPress={(e) => e.stopPropagation()}>
+              <View style={[styles.modalContent, styles.roleModalContent]}>
+                <View style={styles.modalHandle} />
+                <Text style={styles.modalTitle}>Choose AI Assistant</Text>
+
+                <ScrollView style={styles.roleList} showsVerticalScrollIndicator={false}>
+                  {AI_CONFIG.ROLES.map((role) => (
+                    <View key={role.id} style={styles.roleItemContainer}>
+                      <View
+                        style={[
+                          styles.roleItem,
+                          selectedRole.id === role.id && styles.roleItemActive
+                        ]}
+                      >
+                        <TouchableOpacity
+                          style={styles.roleSelectionArea}
+                          onPress={() => {
+                            setSelectedRole(role as any);
+                            setShowRoleModal(false);
+                          }}
+                        >
+                          <View style={[
+                            styles.roleItemIcon,
+                            selectedRole.id === role.id && styles.roleItemIconActive
+                          ]}>
+                            <Ionicons
+                              name={role.icon as any}
+                              size={20}
+                              color={selectedRole.id === role.id ? '#fff' : colors.nautical.teal}
+                            />
+                          </View>
+                          <Text style={[
+                            styles.roleItemName,
+                            selectedRole.id === role.id && styles.roleItemNameActive
+                          ]}>
+                            {role.name}
+                          </Text>
+                        </TouchableOpacity>
+
+                        <TouchableOpacity
+                          style={styles.infoButton}
+                          onPress={() => {
+                            setExpandedRoleId(expandedRoleId === role.id ? null : role.id);
+                          }}
+                        >
+                          <Ionicons
+                            name={expandedRoleId === role.id ? "close-circle-outline" : "information-circle-outline"}
+                            size={24}
+                            color={expandedRoleId === role.id ? colors.nautical.coral : colors.flow.textSecondary}
+                          />
+                        </TouchableOpacity>
+                      </View>
+
+                      {expandedRoleId === role.id && (
+                        <View style={styles.roleDescription}>
+                          <Text style={styles.roleDescriptionText}>{role.description}</Text>
+                        </View>
+                      )}
+                    </View>
+                  ))}
+                </ScrollView>
+
+                <TouchableOpacity
+                  style={styles.closeButton}
+                  onPress={() => setShowRoleModal(false)}
+                >
+                  <Text style={styles.closeButtonText}>Cancel</Text>
+                </TouchableOpacity>
+              </View>
+            </TouchableWithoutFeedback>
+          </View>
+        </TouchableWithoutFeedback>
+      </Modal>
    </View>
  );
 }
@@ -697,12 +870,33 @@ const styles = StyleSheet.create({
    alignItems: 'center',
    paddingHorizontal: spacing.base,
    paddingTop: spacing.sm,
-    paddingBottom: spacing.md,
+    paddingBottom: spacing.sm,
+    borderBottomWidth: 1,
+    borderBottomColor: 'rgba(0,0,0,0.05)',
  },
  headerLeft: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: spacing.sm,
+    flex: 1,
+  },
+  headerRoleButton: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: colors.flow.cardBackground,
+    paddingHorizontal: spacing.sm,
+    paddingVertical: 6,
+    borderRadius: borderRadius.full,
+    marginHorizontal: spacing.sm,
+    borderWidth: 1,
+    borderColor: colors.flow.cardBorder,
+    maxWidth: '40%',
+  },
+  headerRoleText: {
+    fontSize: typography.fontSize.xs,
+    fontWeight: '600',
+    color: colors.flow.text,
+    marginHorizontal: 4,
  },
  iconCircle: {
    width: 44,
@@ -773,6 +967,96 @@ const styles = StyleSheet.create({
    textAlign: 'center',
  },

+  // Role selection styles
+  roleDropdown: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: colors.flow.cardBackground,
+    paddingHorizontal: spacing.md,
+    paddingVertical: spacing.sm,
+    borderRadius: borderRadius.lg,
+    marginBottom: spacing.md,
+    ...shadows.soft,
+    borderWidth: 1,
+    borderColor: colors.flow.cardBorder,
+  },
+  roleIcon: {
+    marginRight: spacing.sm,
+  },
+  roleDropdownText: {
+    fontSize: typography.fontSize.base,
+    fontWeight: '600',
+    color: colors.flow.text,
+    marginRight: spacing.xs,
+  },
+  roleModalContent: {
+    paddingBottom: spacing.xl,
+  },
+  roleList: {
+    marginTop: spacing.sm,
+    maxHeight: 400,
+  },
+  roleItemContainer: {
+    marginBottom: spacing.sm,
+  },
+  roleItem: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'space-between',
+    borderRadius: borderRadius.lg,
+    backgroundColor: 'transparent',
+    borderWidth: 1,
+    borderColor: 'transparent',
+    overflow: 'hidden',
+  },
+  roleItemActive: {
+    backgroundColor: colors.nautical.paleAqua,
+    borderColor: colors.nautical.lightMint,
+  },
+  roleSelectionArea: {
+    flex: 1,
+    flexDirection: 'row',
+    alignItems: 'center',
+    padding: spacing.md,
+  },
+  roleItemIcon: {
+    width: 36,
+    height: 36,
+    borderRadius: 18,
+    backgroundColor: colors.flow.backgroundGradientStart,
+    justifyContent: 'center',
+    alignItems: 'center',
+    marginRight: spacing.md,
+  },
+  roleItemIconActive: {
+    backgroundColor: colors.nautical.teal,
+  },
+  roleItemName: {
+    fontSize: typography.fontSize.base,
+    fontWeight: '500',
+    color: colors.flow.text,
+  },
+  roleItemNameActive: {
+    fontWeight: '700',
+    color: colors.nautical.teal,
+  },
+  infoButton: {
+    padding: spacing.md,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  roleDescription: {
+    paddingHorizontal: spacing.md + 36 + spacing.md, // icon width + margins
+    paddingBottom: spacing.sm,
+    paddingTop: 0,
+  },
+  roleDescriptionText: {
+    fontSize: typography.fontSize.sm,
+    color: colors.flow.textSecondary,
+    fontStyle: 'italic',
+    lineHeight: 18,
+  },
+
  // Message bubble styles
  messageBubble: {
    flexDirection: 'row',
--- a/src/screens/MeScreen.tsx
+++ b/src/screens/MeScreen.tsx
@@ -14,9 +14,11 @@ import {
 import { LinearGradient } from 'expo-linear-gradient';
 import { Ionicons, Feather, MaterialCommunityIcons, FontAwesome5 } from '@expo/vector-icons';
 import { colors, typography, spacing, borderRadius, shadows } from '../theme/colors';
+import AsyncStorage from '@react-native-async-storage/async-storage';
 import { useAuth } from '../context/AuthContext';
 import { Heir, HeirStatus, PaymentStrategy } from '../types';
 import HeritageScreen from './HeritageScreen';
+import { VAULT_STORAGE_KEYS } from './SentinelScreen';

 // Mock heirs data
 const initialHeirs: Heir[] = [
@@ -220,6 +222,7 @@ export default function MeScreen() {
  const [showHeritageModal, setShowHeritageModal] = useState(false);
  const [showThemeModal, setShowThemeModal] = useState(false);
  const [isDarkMode, setIsDarkMode] = useState(false);
+  const [showSignOutModal, setShowSignOutModal] = useState(false);

  // Heritage / Fleet Legacy states
  const [heirs, setHeirs] = useState<Heir[]>(initialHeirs);
@@ -294,18 +297,26 @@ export default function MeScreen() {
  };

  const handleAbandonIsland = () => {
-    Alert.alert(
-      'Sign Out',
-      'Are you sure you want to sign out?',
-      [
-        { text: 'Cancel', style: 'cancel' },
-        {
-          text: 'Sign Out',
-          style: 'destructive',
-          onPress: signOut
-        },
-      ]
-    );
+    console.log('[MeScreen] Sign out button clicked');
+    setShowSignOutModal(true);
+  };
+
+  const handleConfirmSignOut = () => {
+    console.log('[MeScreen] User confirmed sign out');
+    setShowSignOutModal(false);
+    signOut();
+  };
+
+  const handleResetVault = async () => {
+    try {
+      await AsyncStorage.multiRemove([
+        VAULT_STORAGE_KEYS.INITIALIZED,
+        VAULT_STORAGE_KEYS.SHARE_DEVICE,
+      ]);
+      Alert.alert('Done', 'Vault state reset. Go to Sentinel → Open Shadow Vault to see first-time flow.');
+    } catch (e) {
+      Alert.alert('Error', 'Failed to reset vault state.');
+    }
  };

  return (
@@ -885,6 +896,21 @@ export default function MeScreen() {
                  <Text style={styles.sanctumValue}>View</Text>
                </View>
              </View>
+
+              {__DEV__ && (
+                <View style={styles.sanctumSection}>
+                  <Text style={styles.tideLabel}>DEV ONLY</Text>
+                  <TouchableOpacity
+                    style={styles.devResetButton}
+                    onPress={handleResetVault}
+                    activeOpacity={0.85}
+                  >
+                    <Ionicons name="refresh" size={16} color={colors.nautical.coral} />
+                    <Text style={styles.devResetText}>Reset Vault State</Text>
+                  </TouchableOpacity>
+                  <Text style={styles.sanctumHint}>Clear hasVaultInitialized & Share A. Test first-open flow.</Text>
+                </View>
+              )}
            </ScrollView>
            <View style={styles.tideModalButtons}>
              <TouchableOpacity
@@ -1412,6 +1438,46 @@ export default function MeScreen() {
          </View>
        </View>
      </Modal>
+
+      {/* Sign Out Confirmation Modal */}
+      <Modal
+        visible={showSignOutModal}
+        animationType="fade"
+        transparent
+        onRequestClose={() => setShowSignOutModal(false)}
+      >
+        <View style={styles.spiritOverlay}>
+          <View style={styles.signOutModal}>
+            <View style={styles.signOutHeader}>
+              <View style={styles.signOutIcon}>
+                <Feather name="log-out" size={32} color={colors.nautical.coral} />
+              </View>
+              <Text style={styles.signOutTitle}>Sign Out</Text>
+              <Text style={styles.signOutMessage}>
+                Are you sure you want to sign out? You'll need to log in again to access your account.
+              </Text>
+            </View>
+
+            <View style={styles.signOutButtons}>
+              <TouchableOpacity
+                style={styles.signOutCancelButton}
+                onPress={() => setShowSignOutModal(false)}
+                activeOpacity={0.85}
+              >
+                <Text style={styles.signOutCancelText}>Cancel</Text>
+              </TouchableOpacity>
+
+              <TouchableOpacity
+                style={styles.signOutConfirmButton}
+                onPress={handleConfirmSignOut}
+                activeOpacity={0.85}
+              >
+                <Text style={styles.signOutConfirmText}>Sign Out</Text>
+              </TouchableOpacity>
+            </View>
+          </View>
+        </View>
+      </Modal>
    </View>
  );
 }
@@ -1814,6 +1880,23 @@ const styles = StyleSheet.create({
    fontSize: typography.fontSize.sm,
    color: colors.me.textSecondary,
  },
+  devResetButton: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    gap: spacing.sm,
+    paddingVertical: spacing.sm,
+    paddingHorizontal: spacing.md,
+    backgroundColor: `${colors.nautical.coral}15`,
+    borderRadius: borderRadius.lg,
+    borderWidth: 1,
+    borderColor: `${colors.nautical.coral}40`,
+    alignSelf: 'flex-start',
+  },
+  devResetText: {
+    fontSize: typography.fontSize.sm,
+    color: colors.nautical.coral,
+    fontWeight: '600',
+  },
  sanctumAlert: {
    flexDirection: 'row',
    alignItems: 'center',
@@ -2333,4 +2416,71 @@ const styles = StyleSheet.create({
    justifyContent: 'center',
    zIndex: 10,
  },
+  // Sign Out Modal Styles
+  signOutModal: {
+    backgroundColor: colors.me.cardBackground,
+    borderRadius: borderRadius.xl,
+    padding: spacing.xl,
+    marginHorizontal: spacing.xl,
+    maxWidth: 400,
+    width: '100%',
+    ...shadows.medium,
+  },
+  signOutHeader: {
+    alignItems: 'center',
+    marginBottom: spacing.xl,
+  },
+  signOutIcon: {
+    width: 72,
+    height: 72,
+    borderRadius: 36,
+    backgroundColor: `${colors.nautical.coral}15`,
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginBottom: spacing.base,
+  },
+  signOutTitle: {
+    fontSize: typography.fontSize.xl,
+    fontWeight: '700',
+    color: colors.me.text,
+    marginBottom: spacing.sm,
+  },
+  signOutMessage: {
+    fontSize: typography.fontSize.base,
+    color: colors.me.textSecondary,
+    textAlign: 'center',
+    lineHeight: typography.fontSize.base * 1.5,
+  },
+  signOutButtons: {
+    flexDirection: 'row',
+    gap: spacing.md,
+  },
+  signOutCancelButton: {
+    flex: 1,
+    paddingVertical: spacing.base,
+    paddingHorizontal: spacing.lg,
+    borderRadius: borderRadius.lg,
+    backgroundColor: colors.me.cardBorder,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  signOutCancelText: {
+    fontSize: typography.fontSize.base,
+    fontWeight: '600',
+    color: colors.me.text,
+  },
+  signOutConfirmButton: {
+    flex: 1,
+    paddingVertical: spacing.base,
+    paddingHorizontal: spacing.lg,
+    borderRadius: borderRadius.lg,
+    backgroundColor: colors.nautical.coral,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  signOutConfirmText: {
+    fontSize: typography.fontSize.base,
+    fontWeight: '600',
+    color: '#fff',
+  },
 });
--- a/src/screens/SentinelScreen.tsx
+++ b/src/screens/SentinelScreen.tsx
@@ -15,11 +15,22 @@ import { colors, typography, spacing, borderRadius, shadows } from '../theme/col
 import { SystemStatus, KillSwitchLog } from '../types';
 import VaultScreen from './VaultScreen';

+// Animation timing constants
+const ANIMATION_DURATION = {
+  pulse: 1200,
+  glow: 1500,
+  rotate: 30000,
+  heartbeatPress: 150,
+} as const;
+
+// Icon names type for type safety
+type StatusIconName = 'checkmark-circle' | 'warning' | 'alert-circle';
+
 // Status configuration with nautical theme
 const statusConfig: Record<SystemStatus, {
  color: string;
  label: string;
-  icon: string;
+  icon: StatusIconName;
  description: string;
  gradientColors: [string, string];
 }> = {
@@ -48,26 +59,10 @@ const statusConfig: Record<SystemStatus, {

 // Mock data
 const initialLogs: KillSwitchLog[] = [
-  {
-    id: '1',
-    action: 'HEARTBEAT_CONFIRMED',
-    timestamp: new Date('2024-01-18T09:30:00'),
-  },
-  {
-    id: '2',
-    action: 'SUBSCRIPTION_VERIFIED',
-    timestamp: new Date('2024-01-17T00:00:00'),
-  },
-  {
-    id: '3',
-    action: 'JOURNAL_ACTIVITY',
-    timestamp: new Date('2024-01-16T15:42:00'),
-  },
-  {
-    id: '4',
-    action: 'HEARTBEAT_CONFIRMED',
-    timestamp: new Date('2024-01-15T11:20:00'),
-  },
+  { id: '1', action: 'HEARTBEAT_CONFIRMED', timestamp: new Date('2024-01-18T09:30:00') },
+  { id: '2', action: 'SUBSCRIPTION_VERIFIED', timestamp: new Date('2024-01-17T00:00:00') },
+  { id: '3', action: 'JOURNAL_ACTIVITY', timestamp: new Date('2024-01-16T15:42:00') },
+  { id: '4', action: 'HEARTBEAT_CONFIRMED', timestamp: new Date('2024-01-15T11:20:00') },
 ];

 export default function SentinelScreen() {
@@ -81,104 +76,98 @@ export default function SentinelScreen() {
  const [showVault, setShowVault] = useState(false);

  useEffect(() => {
-    // Pulse animation
-    Animated.loop(
+    const pulseAnimation = Animated.loop(
      Animated.sequence([
        Animated.timing(pulseAnim, {
          toValue: 1.06,
-          duration: 1200,
+          duration: ANIMATION_DURATION.pulse,
          useNativeDriver: true,
        }),
        Animated.timing(pulseAnim, {
          toValue: 1,
-          duration: 1200,
+          duration: ANIMATION_DURATION.pulse,
          useNativeDriver: true,
        }),
      ])
-    ).start();
+    );
+    pulseAnimation.start();

-    // Glow animation
-    Animated.loop(
+    const glowAnimation = Animated.loop(
      Animated.sequence([
        Animated.timing(glowAnim, {
          toValue: 1,
-          duration: 1500,
+          duration: ANIMATION_DURATION.glow,
          useNativeDriver: true,
        }),
        Animated.timing(glowAnim, {
          toValue: 0.5,
-          duration: 1500,
+          duration: ANIMATION_DURATION.glow,
          useNativeDriver: true,
        }),
      ])
-    ).start();
+    );
+    glowAnimation.start();

-    // Slow rotate for ship wheel
-    Animated.loop(
+    const rotateAnimation = Animated.loop(
      Animated.timing(rotateAnim, {
        toValue: 1,
-        duration: 30000,
+        duration: ANIMATION_DURATION.rotate,
        useNativeDriver: true,
      })
-    ).start();
-  }, []);
+    );
+    rotateAnimation.start();

-  const openVault = () => {
-    setShowVault(true);
+    return () => {
+      pulseAnimation.stop();
+      glowAnimation.stop();
+      rotateAnimation.stop();
    };
+  }, [pulseAnim, glowAnim, rotateAnim]);
+
+  const openVault = () => setShowVault(true);

  const handleHeartbeat = () => {
-    // Animate pulse
    Animated.sequence([
      Animated.timing(pulseAnim, {
        toValue: 1.15,
-        duration: 150,
+        duration: ANIMATION_DURATION.heartbeatPress,
        useNativeDriver: true,
      }),
      Animated.timing(pulseAnim, {
        toValue: 1,
-        duration: 150,
+        duration: ANIMATION_DURATION.heartbeatPress,
        useNativeDriver: true,
      }),
    ]).start();

-    // Add new log
    const newLog: KillSwitchLog = {
      id: Date.now().toString(),
      action: 'HEARTBEAT_CONFIRMED',
      timestamp: new Date(),
    };
-    setLogs([newLog, ...logs]);
+    setLogs((prevLogs) => [newLog, ...prevLogs]);

-    // Reset status if warning
    if (status === 'warning') {
      setStatus('normal');
    }
  };

-  const formatDateTime = (date: Date) => {
-    return date.toLocaleString('en-US', {
+  const formatDateTime = (date: Date) =>
+    date.toLocaleString('en-US', {
      year: 'numeric',
      month: '2-digit',
      day: '2-digit',
      hour: '2-digit',
      minute: '2-digit',
    });
-  };

  const formatTimeAgo = (date: Date) => {
    const now = new Date();
    const diff = now.getTime() - date.getTime();
    const hours = Math.floor(diff / (1000 * 60 * 60));
    const minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60));
-    
-    if (hours > 24) {
-      const days = Math.floor(hours / 24);
-      return `${days} days ago`;
-    }
-    if (hours > 0) {
-      return `${hours}h ${minutes}m ago`;
-    }
+    if (hours > 24) return `${Math.floor(hours / 24)} days ago`;
+    if (hours > 0) return `${hours}h ${minutes}m ago`;
    return `${minutes}m ago`;
  };

@@ -218,7 +207,7 @@ export default function SentinelScreen() {
                    transform: [{ scale: pulseAnim }],
                    opacity: glowAnim,
                    backgroundColor: `${currentStatus.color}20`,
-                  }
+                  },
                ]}
              />
              <Animated.View style={{ transform: [{ scale: pulseAnim }] }}>
@@ -226,7 +215,7 @@ export default function SentinelScreen() {
                  colors={currentStatus.gradientColors}
                  style={styles.statusCircle}
                >
-                  <Ionicons name={currentStatus.icon as any} size={56} color="#fff" />
+                  <Ionicons name={currentStatus.icon} size={56} color="#fff" />
                </LinearGradient>
              </Animated.View>
              <Text style={[styles.statusLabel, { color: currentStatus.color }]}>
@@ -256,24 +245,16 @@ export default function SentinelScreen() {
                  <FontAwesome5 name="anchor" size={16} color={colors.sentinel.primary} />
                </View>
                <Text style={styles.metricLabel}>SUBSCRIPTION</Text>
-                <Text style={styles.metricValue}>
-                  {formatTimeAgo(lastSubscriptionCheck)}
-                </Text>
-                <Text style={styles.metricTime}>
-                  {formatDateTime(lastSubscriptionCheck)}
-                </Text>
+                <Text style={styles.metricValue}>{formatTimeAgo(lastSubscriptionCheck)}</Text>
+                <Text style={styles.metricTime}>{formatDateTime(lastSubscriptionCheck)}</Text>
              </View>
              <View style={styles.metricCard}>
                <View style={styles.metricIconContainer}>
                  <Feather name="edit-3" size={16} color={colors.sentinel.primary} />
                </View>
                <Text style={styles.metricLabel}>LAST JOURNAL</Text>
-                <Text style={styles.metricValue}>
-                  {formatTimeAgo(lastFlowActivity)}
-                </Text>
-                <Text style={styles.metricTime}>
-                  {formatDateTime(lastFlowActivity)}
-                </Text>
+                <Text style={styles.metricValue}>{formatTimeAgo(lastFlowActivity)}</Text>
+                <Text style={styles.metricTime}>{formatDateTime(lastFlowActivity)}</Text>
              </View>
            </View>

@@ -292,6 +273,8 @@ export default function SentinelScreen() {
                style={styles.vaultAccessButton}
                onPress={openVault}
                activeOpacity={0.8}
+                accessibilityLabel="Open Shadow Vault"
+                accessibilityRole="button"
              >
                <Text style={styles.vaultAccessButtonText}>Open</Text>
              </TouchableOpacity>
@@ -302,6 +285,8 @@ export default function SentinelScreen() {
              style={styles.heartbeatButton}
              onPress={handleHeartbeat}
              activeOpacity={0.9}
+              accessibilityLabel="Signal the watch - Confirm your presence"
+              accessibilityRole="button"
            >
              <LinearGradient
                colors={[colors.nautical.teal, colors.nautical.seafoam]}
@@ -330,9 +315,7 @@ export default function SentinelScreen() {
                  <View style={styles.logDot} />
                  <View style={styles.logContent}>
                    <Text style={styles.logAction}>{log.action}</Text>
-                    <Text style={styles.logTime}>
-                      {formatDateTime(log.timestamp)}
-                    </Text>
+                    <Text style={styles.logTime}>{formatDateTime(log.timestamp)}</Text>
                  </View>
                </View>
              ))}
@@ -353,36 +336,27 @@ export default function SentinelScreen() {
            style={styles.vaultCloseButton}
            onPress={() => setShowVault(false)}
            activeOpacity={0.85}
+            accessibilityLabel="Close vault"
+            accessibilityRole="button"
          >
            <Ionicons name="close" size={20} color={colors.nautical.cream} />
          </TouchableOpacity>
        </View>
      </Modal>
-
    </View>
  );
 }

 const styles = StyleSheet.create({
-  container: {
-    flex: 1,
-  },
-  gradient: {
-    flex: 1,
-  },
-  safeArea: {
-    flex: 1,
-  },
-  scrollView: {
-    flex: 1,
-  },
+  container: { flex: 1 },
+  gradient: { flex: 1 },
+  safeArea: { flex: 1 },
+  scrollView: { flex: 1 },
  scrollContent: {
    padding: spacing.lg,
    paddingBottom: 120,
  },
-  header: {
-    marginBottom: spacing.xl,
-  },
+  header: { marginBottom: spacing.xl },
  headerTitleRow: {
    flexDirection: 'row',
    alignItems: 'center',
@@ -488,9 +462,7 @@ const styles = StyleSheet.create({
    marginBottom: spacing.xl,
    ...shadows.medium,
  },
-  heartbeatGradient: {
-    padding: spacing.lg,
-  },
+  heartbeatGradient: { padding: spacing.lg },
  heartbeatContent: {
    flexDirection: 'row',
    alignItems: 'center',
@@ -544,9 +516,7 @@ const styles = StyleSheet.create({
    marginTop: 6,
    marginRight: spacing.md,
  },
-  logContent: {
-    flex: 1,
-  },
+  logContent: { flex: 1 },
  logAction: {
    fontSize: typography.fontSize.sm,
    color: colors.sentinel.text,
@@ -559,7 +529,6 @@ const styles = StyleSheet.create({
    color: colors.sentinel.textSecondary,
    fontFamily: typography.fontFamily.mono,
  },
-  // Shadow Vault Access Card
  vaultAccessCard: {
    flexDirection: 'row',
    alignItems: 'center',
@@ -579,9 +548,7 @@ const styles = StyleSheet.create({
    justifyContent: 'center',
    marginRight: spacing.md,
  },
-  vaultAccessContent: {
-    flex: 1,
-  },
+  vaultAccessContent: { flex: 1 },
  vaultAccessTitle: {
    fontSize: typography.fontSize.base,
    fontWeight: '600',
@@ -603,7 +570,6 @@ const styles = StyleSheet.create({
    fontWeight: '700',
    fontSize: typography.fontSize.sm,
  },
-  // Vault Modal
  vaultModalContainer: {
    flex: 1,
    backgroundColor: colors.vault.background,
--- a/src/services/ai.service.ts
+++ b/src/services/ai.service.ts
@@ -143,13 +143,14 @@ export const aiService = {
   * Simple helper for single message chat
   * @param content - User message content
   * @param token - JWT token for authentication
+   * @param systemPrompt - Optional custom system prompt
   * @returns AI response text
   */
-  async sendMessage(content: string, token?: string): Promise<string> {
+  async sendMessage(content: string, token?: string, systemPrompt?: string): Promise<string> {
    const messages: AIMessage[] = [
      {
        role: 'system',
-        content: AI_CONFIG.DEFAULT_SYSTEM_PROMPT,
+        content: systemPrompt || AI_CONFIG.DEFAULT_SYSTEM_PROMPT,
      },
      {
        role: 'user',
--- a/src/services/storage.service.ts
+++ b/src/services/storage.service.ts
@@ -0,0 +1,120 @@
+/**
+ * Storage Service
+ * 
+ * Handles local persistence of chat history and active conversations
+ * using AsyncStorage with user-specific isolation.
+ */
+
+import AsyncStorage from '@react-native-async-storage/async-storage';
+
+// =============================================================================
+// Constants
+// =============================================================================
+
+const STORAGE_KEYS = {
+    CHAT_HISTORY: '@sentinel:chat_history',
+    CURRENT_MESSAGES: '@sentinel:current_messages',
+} as const;
+
+// =============================================================================
+// Service Implementation
+// =============================================================================
+
+export const storageService = {
+    /**
+     * Get user-specific storage key
+     */
+    getUserKey(baseKey: string, userId: string | number): string {
+        return `${baseKey}:user_${userId}`;
+    },
+
+    /**
+     * Save the complete list of chat sessions to local storage for a specific user
+     */
+    async saveChatHistory(history: any[], userId: string | number): Promise<void> {
+        try {
+            const jsonValue = JSON.stringify(history);
+            const key = this.getUserKey(STORAGE_KEYS.CHAT_HISTORY, userId);
+            await AsyncStorage.setItem(key, jsonValue);
+            console.log(`[Storage] Saved chat history for user ${userId}:`, history.length, 'sessions');
+        } catch (e) {
+            console.error('Error saving chat history:', e);
+        }
+    },
+
+    /**
+     * Load the list of chat sessions from local storage for a specific user
+     */
+    async getChatHistory(userId: string | number): Promise<any[]> {
+        try {
+            const key = this.getUserKey(STORAGE_KEYS.CHAT_HISTORY, userId);
+            const jsonValue = await AsyncStorage.getItem(key);
+            const result = jsonValue != null ? JSON.parse(jsonValue) : [];
+            console.log(`[Storage] Loaded chat history for user ${userId}:`, result.length, 'sessions');
+            return result;
+        } catch (e) {
+            console.error('Error getting chat history:', e);
+            return [];
+        }
+    },
+
+    /**
+   * Save the current active conversation messages for a specific role and user
+   */
+    async saveCurrentChat(roleId: string, messages: any[], userId: string | number): Promise<void> {
+        try {
+            const jsonValue = JSON.stringify(messages);
+            const key = `${this.getUserKey(STORAGE_KEYS.CURRENT_MESSAGES, userId)}:${roleId}`;
+            await AsyncStorage.setItem(key, jsonValue);
+            console.log(`[Storage] Saved current chat for user ${userId}, role ${roleId}:`, messages.length, 'messages');
+        } catch (e) {
+            console.error(`Error saving current chat for role ${roleId}:`, e);
+        }
+    },
+
+    /**
+     * Load the current active conversation messages for a specific role and user
+     */
+    async getCurrentChat(roleId: string, userId: string | number): Promise<any[]> {
+        try {
+            const key = `${this.getUserKey(STORAGE_KEYS.CURRENT_MESSAGES, userId)}:${roleId}`;
+            const jsonValue = await AsyncStorage.getItem(key);
+            const result = jsonValue != null ? JSON.parse(jsonValue) : [];
+            console.log(`[Storage] Loaded current chat for user ${userId}, role ${roleId}:`, result.length, 'messages');
+            return result;
+        } catch (e) {
+            console.error(`Error getting current chat for role ${roleId}:`, e);
+            return [];
+        }
+    },
+
+    /**
+     * Clear all stored chat data for a specific user
+     */
+    async clearUserData(userId: string | number): Promise<void> {
+        try {
+            const keys = await AsyncStorage.getAllKeys();
+            const userPrefix = `:user_${userId}`;
+            const userKeys = keys.filter(key => key.includes(userPrefix));
+            await AsyncStorage.multiRemove(userKeys);
+            console.log(`[Storage] Cleared all data for user ${userId}:`, userKeys.length, 'keys removed');
+        } catch (e) {
+            console.error('Error clearing user data:', e);
+        }
+    },
+
+    /**
+     * Clear all stored chat data (all users)
+     */
+    async clearAllData(): Promise<void> {
+        try {
+            const keys = await AsyncStorage.getAllKeys();
+            const sentinelKeys = keys.filter(key => key.startsWith('@sentinel:'));
+            await AsyncStorage.multiRemove(sentinelKeys);
+            console.log('[Storage] Cleared all data:', sentinelKeys.length, 'keys removed');
+        } catch (e) {
+            console.error('Error clearing storage data:', e);
+        }
+    }
+};
+
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -0,0 +1,5 @@
+/**
+ * Utility functions for Sentinel
+ */
+
+export * from './sss';
--- a/src/utils/sss.ts
+++ b/src/utils/sss.ts
@@ -0,0 +1,268 @@
+/**
+ * Shamir's Secret Sharing (SSS) Implementation
+ *
+ * This implements a (3,2) threshold scheme where:
+ * - Secret is split into 3 shares
+ * - Any 2 shares can recover the original secret
+ *
+ * Correspondence with crypto_core_demo (Python):
+ * - sp_trust_sharding.py: split_to_shares(), recover_from_shares()
+ * - Same algorithm: f(x) = secret + a*x (mod P), Lagrange interpolation
+ * - Difference: entropy conversion. Python uses BIP-39 (mnemonic.to_entropy);
+ *   we use custom word list index-based encoding for compatibility with
+ *   existing MNEMONIC_WORDS. SSS split/recover logic is identical.
+ */
+
+// Use a large prime for the finite field
+// We use 2^127 - 1 (a Mersenne prime) which fits well in BigInt
+// This is smaller than the Python version's 2^521 - 1 but sufficient for our 128-bit entropy
+const PRIME = BigInt('170141183460469231731687303715884105727'); // 2^127 - 1
+
+/**
+ * Represents an SSS share as a coordinate point (x, y)
+ */
+export interface SSSShare {
+  x: number;
+  y: bigint;
+  label: string; // 'device' | 'cloud' | 'heir'
+}
+
+/**
+ * Generate a cryptographically secure random BigInt in range [0, max)
+ */
+function secureRandomBigInt(max: bigint): bigint {
+  // Get the number of bytes needed
+  const byteLength = Math.ceil(max.toString(2).length / 8);
+  const randomBytes = new Uint8Array(byteLength);
+  
+  // Use crypto.getRandomValues for secure randomness
+  if (typeof crypto !== 'undefined' && crypto.getRandomValues) {
+    crypto.getRandomValues(randomBytes);
+  } else {
+    // Fallback for environments without crypto
+    for (let i = 0; i < byteLength; i++) {
+      randomBytes[i] = Math.floor(Math.random() * 256);
+    }
+  }
+  
+  // Convert to BigInt
+  let result = BigInt(0);
+  for (let i = 0; i < randomBytes.length; i++) {
+    result = (result << BigInt(8)) + BigInt(randomBytes[i]);
+  }
+  
+  // Ensure result is within range
+  return result % max;
+}
+
+/**
+ * Convert mnemonic words to entropy (as BigInt)
+ * Each word is mapped to its index, then combined into a single large number
+ */
+export function mnemonicToEntropy(words: string[], wordList: readonly string[]): bigint {
+  let entropy = BigInt(0);
+  const wordListLength = BigInt(wordList.length);
+  
+  for (const word of words) {
+    const index = wordList.indexOf(word);
+    if (index === -1) {
+      throw new Error(`Word "${word}" not found in word list`);
+    }
+    entropy = entropy * wordListLength + BigInt(index);
+  }
+  
+  return entropy;
+}
+
+/**
+ * Convert entropy back to mnemonic words
+ */
+export function entropyToMnemonic(entropy: bigint, wordCount: number, wordList: readonly string[]): string[] {
+  const words: string[] = [];
+  const wordListLength = BigInt(wordList.length);
+  let remaining = entropy;
+  
+  for (let i = 0; i < wordCount; i++) {
+    const index = Number(remaining % wordListLength);
+    words.unshift(wordList[index]);
+    remaining = remaining / wordListLength;
+  }
+  
+  return words;
+}
+
+/**
+ * Modular inverse using extended Euclidean algorithm
+ * Returns x such that (a * x) % p === 1
+ */
+function modInverse(a: bigint, p: bigint): bigint {
+  let [oldR, r] = [a % p, p];
+  let [oldS, s] = [BigInt(1), BigInt(0)];
+  
+  while (r !== BigInt(0)) {
+    const quotient = oldR / r;
+    [oldR, r] = [r, oldR - quotient * r];
+    [oldS, s] = [s, oldS - quotient * s];
+  }
+  
+  // Ensure positive result
+  return ((oldS % p) + p) % p;
+}
+
+/**
+ * Modular arithmetic helper to ensure positive results
+ */
+function mod(n: bigint, p: bigint): bigint {
+  return ((n % p) + p) % p;
+}
+
+/**
+ * Split a secret into 3 shares using SSS (3,2) threshold scheme
+ * 
+ * Uses linear polynomial: f(x) = secret + a*x (mod p)
+ * where 'a' is a random coefficient
+ * 
+ * Any 2 points on this line can recover the y-intercept (secret)
+ */
+export function splitSecret(secret: bigint): SSSShare[] {
+  // Generate random coefficient for the polynomial
+  const a = secureRandomBigInt(PRIME);
+  
+  // Polynomial: f(x) = secret + a*x (mod PRIME)
+  const f = (x: number): bigint => {
+    return mod(secret + a * BigInt(x), PRIME);
+  };
+  
+  // Generate 3 shares at x = 1, 2, 3
+  return [
+    { x: 1, y: f(1), label: 'device' },
+    { x: 2, y: f(2), label: 'cloud' },
+    { x: 3, y: f(3), label: 'heir' },
+  ];
+}
+
+/**
+ * Recover the secret from any 2 shares using Lagrange interpolation
+ * 
+ * For 2 points (x1, y1) and (x2, y2), the secret (y-intercept) is:
+ * S = (x2*y1 - x1*y2) / (x2 - x1) (mod p)
+ */
+export function recoverSecret(shareA: SSSShare, shareB: SSSShare): bigint {
+  const { x: x1, y: y1 } = shareA;
+  const { x: x2, y: y2 } = shareB;
+  
+  // Numerator: x2*y1 - x1*y2
+  const numerator = mod(
+    BigInt(x2) * y1 - BigInt(x1) * y2,
+    PRIME
+  );
+  
+  // Denominator: x2 - x1
+  const denominator = mod(BigInt(x2 - x1), PRIME);
+  
+  // Division in modular arithmetic = multiply by modular inverse
+  const invDenominator = modInverse(denominator, PRIME);
+  
+  return mod(numerator * invDenominator, PRIME);
+}
+
+/**
+ * Format a share for display (truncated for readability)
+ * Shows first 8 and last 4 characters of the y-value
+ */
+export function formatShareForDisplay(share: SSSShare): string {
+  const yStr = share.y.toString();
+  if (yStr.length <= 16) {
+    return `(${share.x}, ${yStr})`;
+  }
+  return `(${share.x}, ${yStr.slice(0, 8)}...${yStr.slice(-4)})`;
+}
+
+/**
+ * Format a share as a compact display string (for UI cards)
+ * Returns a shorter format showing the share index and a hash-like preview
+ */
+export function formatShareCompact(share: SSSShare): string {
+  const yStr = share.y.toString();
+  // Create a "fingerprint" from the y value
+  const fingerprint = yStr.slice(0, 4) + '-' + yStr.slice(4, 8) + '-' + yStr.slice(-4);
+  return fingerprint;
+}
+
+/**
+ * Serialize a share to a string for storage/transmission
+ */
+export function serializeShare(share: SSSShare): string {
+  return JSON.stringify({
+    x: share.x,
+    y: share.y.toString(),
+    label: share.label,
+  });
+}
+
+/**
+ * Deserialize a share from a string
+ */
+export function deserializeShare(str: string): SSSShare {
+  const parsed = JSON.parse(str);
+  return {
+    x: parsed.x,
+    y: BigInt(parsed.y),
+    label: parsed.label,
+  };
+}
+
+/**
+ * Main function to generate mnemonic and SSS shares
+ * This is the entry point for the vault initialization flow
+ */
+export interface VaultKeyData {
+  mnemonic: string[];
+  shares: SSSShare[];
+  entropy: bigint;
+}
+
+export function generateVaultKeys(
+  wordList: readonly string[],
+  wordCount: number = 12
+): VaultKeyData {
+  // Generate random mnemonic
+  const mnemonic: string[] = [];
+  for (let i = 0; i < wordCount; i++) {
+    const index = Math.floor(Math.random() * wordList.length);
+    mnemonic.push(wordList[index]);
+  }
+  
+  // Convert to entropy
+  const entropy = mnemonicToEntropy(mnemonic, wordList);
+  
+  // Split into shares
+  const shares = splitSecret(entropy);
+  
+  return { mnemonic, shares, entropy };
+}
+
+/**
+ * Verify that shares can recover the original entropy
+ * Useful for testing and validation
+ */
+export function verifyShares(
+  shares: SSSShare[],
+  originalEntropy: bigint
+): boolean {
+  // Test all 3 combinations of 2 shares
+  const combinations = [
+    [shares[0], shares[1]], // Device + Cloud
+    [shares[1], shares[2]], // Cloud + Heir
+    [shares[0], shares[2]], // Device + Heir
+  ];
+  
+  for (const [a, b] of combinations) {
+    const recovered = recoverSecret(a, b);
+    if (recovered !== originalEntropy) {
+      return false;
+    }
+  }
+  
+  return true;
+}
Author	SHA1	Message	Date
Ada	536513ab3f	fix(bug): Could not find MIME for Buffer <null>	2026-02-01 09:12:29 -08:00
Ada	240a7eea8b	Merge branch 'Steven'	2026-01-31 21:21:55 -08:00
lusixing	22dc3abf65	Merge branch 'multi_prompt_local_storage'	2026-01-31 11:13:41 -08:00
lusixing	ed1f6fc49d	multi_prompt_local_storage	2026-01-31 11:11:25 -08:00
Ada	218b2e8b29	add vault first time control	2026-01-30 21:26:38 -08:00
Ada	fb1377eb4b	Generate SSS shares from mnemonic words	2026-01-30 16:31:09 -08:00
Ada	c07f1f20d5	fix the warning	2026-01-30 15:22:13 -08:00