diff --git a/bin/package.json b/bin/package.json
index c4174d278d5..7c5b806faff 100644
--- a/bin/package.json
+++ b/bin/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "@types/node": "^26.1.1",
     "@types/semver": "^7.7.1",
-    "typescript": "^6.0.3"
+    "typescript": "^7.0.0"
   },
   "scripts": {
     "makeDocs": "node --import tsx make_docs.ts",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ecdc88d369c..17cf88fcfa1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -166,7 +166,7 @@ importers:
         version: 4.23.0
       ueberdb2:
         specifier: 6.1.16
-        version: 6.1.16(@elastic/elasticsearch@9.4.2)(async@3.2.6)(cassandra-driver@4.9.0)(dirty-ts@1.1.8)(mongodb@7.4.0(socks@2.8.9))(mssql@12.7.0)(mysql2@3.22.6(@types/node@26.1.1))(nano@11.0.6)(pg@8.22.0)(redis@6.1.0(@opentelemetry/api@1.9.1))(rethinkdb@2.4.2)(rusty-store-kv@1.3.1)(surrealdb@2.0.4(tslib@2.8.1)(typescript@6.0.3))
+        version: 6.1.16(@elastic/elasticsearch@9.4.2)(async@3.2.6)(cassandra-driver@4.9.0)(dirty-ts@1.1.8)(mongodb@7.4.0(socks@2.8.9))(mssql@12.7.0)(mysql2@3.22.6(@types/node@26.1.1))(nano@11.0.6)(pg@8.22.0)(redis@6.1.0(@opentelemetry/api@1.9.1))(rethinkdb@2.4.2)(rusty-store-kv@1.3.1)(surrealdb@2.0.4(tslib@2.8.1)(typescript@7.0.2))
     devDependencies:
       '@types/node':
         specifier: ^26.1.1
@@ -175,8 +175,8 @@ importers:
         specifier: ^7.7.1
         version: 7.7.1
       typescript:
-        specifier: ^6.0.3
-        version: 6.0.3
+        specifier: ^7.0.0
+        version: 7.0.2
 
   doc:
     dependencies:
@@ -351,7 +351,7 @@ importers:
         version: 10.3.0
       surrealdb:
         specifier: ^2.0.4
-        version: 2.0.4(tslib@2.8.1)(typescript@6.0.3)
+        version: 2.0.4(tslib@2.8.1)(typescript@7.0.2)
       tinycon:
         specifier: 0.6.8
         version: 0.6.8
@@ -360,7 +360,7 @@ importers:
         version: 4.23.0
       ueberdb2:
         specifier: 6.1.16
-        version: 6.1.16(@elastic/elasticsearch@9.4.2)(async@3.2.6)(cassandra-driver@4.9.0)(dirty-ts@1.1.8)(mongodb@7.4.0(socks@2.8.9))(mssql@12.7.0)(mysql2@3.22.6(@types/node@26.1.1))(nano@11.0.6)(pg@8.22.0)(redis@6.1.0(@opentelemetry/api@1.9.1))(rethinkdb@2.4.2)(rusty-store-kv@1.3.1)(surrealdb@2.0.4(tslib@2.8.1)(typescript@6.0.3))
+        version: 6.1.16(@elastic/elasticsearch@9.4.2)(async@3.2.6)(cassandra-driver@4.9.0)(dirty-ts@1.1.8)(mongodb@7.4.0(socks@2.8.9))(mssql@12.7.0)(mysql2@3.22.6(@types/node@26.1.1))(nano@11.0.6)(pg@8.22.0)(redis@6.1.0(@opentelemetry/api@1.9.1))(rethinkdb@2.4.2)(rusty-store-kv@1.3.1)(surrealdb@2.0.4(tslib@2.8.1)(typescript@7.0.2))
       underscore:
         specifier: 1.13.8
         version: 1.13.8
@@ -451,7 +451,7 @@ importers:
         version: 10.6.0
       eslint-config-etherpad:
         specifier: ^4.0.5
-        version: 4.0.5(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)
+        version: 4.0.5(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)
       etherpad-cli-client:
         specifier: ^4.0.3
         version: 4.0.3
@@ -480,8 +480,8 @@ importers:
         specifier: ^7.2.2
         version: 7.2.2
       typescript:
-        specifier: ^6.0.3
-        version: 6.0.3
+        specifier: ^7.0.0
+        version: 7.0.2
       vitest:
         specifier: ^4.1.10
         version: 4.1.10(@opentelemetry/api@1.9.1)(@types/node@26.1.1)(jsdom@29.1.1(@noble/hashes@1.8.0))(vite@8.1.4(@types/node@26.1.1)(esbuild@0.28.1)(tsx@4.23.0))
@@ -2043,6 +2043,126 @@ packages:
     resolution: {integrity: sha512-UexrHGnGTpbuQHct2ExOc2ZcFbGUS9FOesCxxqdBGcpI1BxYu/LZ6U8Aq6/72XtF/qRBk9nhuGHFJIXXMhPMdw==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
+  '@typescript/typescript-aix-ppc64@7.0.2':
+    resolution: {integrity: sha512-MTKKkWB7p/0E9xi1d1tHtZ5PiLkGEMIq88pK2CubZjOsLtYTLqhgIgi6zepFa+9GHZ6h05NMCkQxGKiPXMxXtQ==}
+    engines: {node: '>=16.20.0'}
+    cpu: [ppc64]
+    os: [aix]
+
+  '@typescript/typescript-darwin-arm64@7.0.2':
+    resolution: {integrity: sha512-gowzar9MwS/aRWp6f3a4KUqzRjAZjOsmGNCM6LcTgXum+dBfgsBVMN+AgvOCCbguXyick6LJhpBszxMebJ8syA==}
+    engines: {node: '>=16.20.0'}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@typescript/typescript-darwin-x64@7.0.2':
+    resolution: {integrity: sha512-SZ9xZInqApNlNGc9s0W1VSsktYSOe9cFqNOIqmN1Gs8SmkjKZYFt017G4VwPxASInODuAdbTW7sXiFUf893RgA==}
+    engines: {node: '>=16.20.0'}
+    cpu: [x64]
+    os: [darwin]
+
+  '@typescript/typescript-freebsd-arm64@7.0.2':
+    resolution: {integrity: sha512-W5NH4y/J0plIIS5b2xvTEkU7JFxyqdMAOgf+Ilhl0vHQXKO5dZoxd+C/jEtq56c4F3wk71RB4BMRQ2XdI+bwYQ==}
+    engines: {node: '>=16.20.0'}
+    cpu: [arm64]
+    os: [freebsd]
+
+  '@typescript/typescript-freebsd-x64@7.0.2':
+    resolution: {integrity: sha512-UMGDx5sTpzNw3WiPebH7l90IWfJggEd+egHt/q6p7/Cm3zqoV7VxkGXt+3DxPIw8CcmvAB0j3sVVfbhX+M4Tpw==}
+    engines: {node: '>=16.20.0'}
+    cpu: [x64]
+    os: [freebsd]
+
+  '@typescript/typescript-linux-arm64@7.0.2':
+    resolution: {integrity: sha512-Qh4eU4/y3yDjnfjjyPYihMj5/ODIlmt+Bzu17OI+fiSRDW57QmU5SiN63exPRNJPKUzcc1INa1NXdrJ+MqHjUQ==}
+    engines: {node: '>=16.20.0'}
+    cpu: [arm64]
+    os: [linux]
+
+  '@typescript/typescript-linux-arm@7.0.2':
+    resolution: {integrity: sha512-gffT3xPz9sR7j/YJExkyPntrI0P2EP9XbOyWzth2/Gs0RstK+90RBcO0ncXoXy/beYll1SXw846Nf2zdnEz0QQ==}
+    engines: {node: '>=16.20.0'}
+    cpu: [arm]
+    os: [linux]
+
+  '@typescript/typescript-linux-loong64@7.0.2':
+    resolution: {integrity: sha512-uEHck9i8hoAzXPiYRib1O7miOnz23SxIeVl6F4LXox+qov1K35jHcEW6VHKvZI+pyvl7fZEP4MCU5LYvIq1GuQ==}
+    engines: {node: '>=16.20.0'}
+    cpu: [loong64]
+    os: [linux]
+
+  '@typescript/typescript-linux-mips64el@7.0.2':
+    resolution: {integrity: sha512-R4KvAMnE43W5Qeqb0Ly56O3mWMWIAgsMyz36DCaycd5nbg/9kzm0liw3JocfRqyJY0KPmzFjbswozXyW0DnIYA==}
+    engines: {node: '>=16.20.0'}
+    cpu: [mips64el]
+    os: [linux]
+
+  '@typescript/typescript-linux-ppc64@7.0.2':
+    resolution: {integrity: sha512-DORx5b3sd/4S7eayxm4FQv+A7CrkUIGRaHiwI8oiHTAI1fAPWhF4J0vAlkC8biAlHSVVwxMQ3tjZ2/DVbnQiiA==}
+    engines: {node: '>=16.20.0'}
+    cpu: [ppc64]
+    os: [linux]
+
+  '@typescript/typescript-linux-riscv64@7.0.2':
+    resolution: {integrity: sha512-wf0jqEDOjrPRnKwYRyyJDRo11KMbvMFrU+q4zqKyChODBzvlkbhNQfKvLxQCcwTpdDaXSHZTVuh0JoCrKCUMHQ==}
+    engines: {node: '>=16.20.0'}
+    cpu: [riscv64]
+    os: [linux]
+
+  '@typescript/typescript-linux-s390x@7.0.2':
+    resolution: {integrity: sha512-IkwJc3L7yhytWd/ewjyxNDfOmswCm9GWMJT/ue/dU4aZNbwZeYAetq42VyLmsmSjvoX7z74X6ZaYCtzAr0EuGw==}
+    engines: {node: '>=16.20.0'}
+    cpu: [s390x]
+    os: [linux]
+
+  '@typescript/typescript-linux-x64@7.0.2':
+    resolution: {integrity: sha512-EYdf2cNg7rgCWJnxCdJ+F3V39O8ihb37eHAu1LK8oAFizgTQbPOK7zHHXbPt8rX24COqODXeI3sIf0fCXG7H/A==}
+    engines: {node: '>=16.20.0'}
+    cpu: [x64]
+    os: [linux]
+
+  '@typescript/typescript-netbsd-arm64@7.0.2':
+    resolution: {integrity: sha512-+polYF4MF04aPpO5FTkHran9yUQDSXqy5GiSDKpsll5jy3l3+g9QLhpf39T+ePtefhXLOGrLl0QIjkQP6VnelA==}
+    engines: {node: '>=16.20.0'}
+    cpu: [arm64]
+    os: [netbsd]
+
+  '@typescript/typescript-netbsd-x64@7.0.2':
+    resolution: {integrity: sha512-8YIT0EHM/3dq10ZOVF/A7pc/YSMtbcecct4rWtexrnSCHOPcpC2KTLXfTCR6vDpnSiY12heNb1GiN/wu+T/FyA==}
+    engines: {node: '>=16.20.0'}
+    cpu: [x64]
+    os: [netbsd]
+
+  '@typescript/typescript-openbsd-arm64@7.0.2':
+    resolution: {integrity: sha512-APT8+ClYnuYm1u9+kgGXoMj2VzWzcymwh2gNSQVySHfkRDGOTVkoWLjCmOQSaO+PoqQ57B0flRp9SA+7GnnkzQ==}
+    engines: {node: '>=16.20.0'}
+    cpu: [arm64]
+    os: [openbsd]
+
+  '@typescript/typescript-openbsd-x64@7.0.2':
+    resolution: {integrity: sha512-yX7s+Q0Dln0Dt9tEzZsAjXXR/+ytBM7AlglaqyeMPxQszJ1JhlJdZ6jLA+IzldHtflX81em7lDao1xXu+aRRkg==}
+    engines: {node: '>=16.20.0'}
+    cpu: [x64]
+    os: [openbsd]
+
+  '@typescript/typescript-sunos-x64@7.0.2':
+    resolution: {integrity: sha512-dLJDGaLZ1D4HPQn62u1n8mBDkJREwMsAkCdkwd4Ieqw+x3TUyTsqY0YiBCtE6H6OzzgGk3iuZ3vFWRS+E8/d1g==}
+    engines: {node: '>=16.20.0'}
+    cpu: [x64]
+    os: [sunos]
+
+  '@typescript/typescript-win32-arm64@7.0.2':
+    resolution: {integrity: sha512-Gyl1Vy6OsWesLzmq+EP0Fb7b4Nid5232AvcA2SFcdYreldpNtYFFofPjnt62y9hQy7VTaZp65ICJjuAQRaVcIQ==}
+    engines: {node: '>=16.20.0'}
+    cpu: [arm64]
+    os: [win32]
+
+  '@typescript/typescript-win32-x64@7.0.2':
+    resolution: {integrity: sha512-0BQ3HkAHHlKLSp1qRvf3SUhGpGsDuhB/jgFw75guyqbxJqEaS0Cw/VFO8i2nHglJUzQCRtMMR/IBAKE3ETMC4g==}
+    engines: {node: '>=16.20.0'}
+    cpu: [x64]
+    os: [win32]
+
   '@typespec/ts-http-runtime@0.3.6':
     resolution: {integrity: sha512-jIXhD0eWQ1JA6ln/5Dltyx22UxWNrw0hZmhy2rlv6m6KgF7kplHx3g0fzi09lNmTJQRR91OlemYp3xFnvDK9og==}
     engines: {node: '>=20.0.0'}
@@ -5323,6 +5443,11 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
+  typescript@7.0.2:
+    resolution: {integrity: sha512-8FYau96o3NKOhbjKi/qNvG/W5jhzxkbdm5sj9AbZ/5T5sWqn3hJgLfGx27sRKZWTvyzCP8dLRBTf5tBTSRVUNA==}
+    engines: {node: '>=16.20.0'}
+    hasBin: true
+
   ueberdb2@6.1.16:
     resolution: {integrity: sha512-2VlpUIjperGGzZzH2AqrhZfviA3BmA3qgw+LHbDxXgOoiBRMV1P9IFkFK4wBDf3gMyj9/jBNoil5QOwkvXLj4A==}
     engines: {node: '>=24.0.0'}
@@ -6849,11 +6974,11 @@ snapshots:
 
   '@surrealdb/cbor@2.0.0-alpha.4': {}
 
-  '@surrealdb/sqon@0.1.0(tslib@2.8.1)(typescript@6.0.3)':
+  '@surrealdb/sqon@0.1.0(tslib@2.8.1)(typescript@7.0.2)':
     dependencies:
       '@surrealdb/cbor': 2.0.0-alpha.4
       tslib: 2.8.1
-      typescript: 6.0.3
+      typescript: 7.0.2
       uuidv7: 1.2.1
 
   '@swc/helpers@0.5.23':
@@ -7135,21 +7260,21 @@ snapshots:
     dependencies:
       '@types/node': 26.1.1
 
-  '@typescript-eslint/eslint-plugin@7.18.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)':
+  '@typescript-eslint/eslint-plugin@7.18.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)':
     dependencies:
       '@eslint-community/regexpp': 4.12.2
-      '@typescript-eslint/parser': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)
+      '@typescript-eslint/parser': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)
       '@typescript-eslint/scope-manager': 7.18.0
-      '@typescript-eslint/type-utils': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)
-      '@typescript-eslint/utils': 7.18.0(eslint@10.6.0)(typescript@6.0.3)
+      '@typescript-eslint/type-utils': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)
+      '@typescript-eslint/utils': 7.18.0(eslint@10.6.0)(typescript@7.0.2)
       '@typescript-eslint/visitor-keys': 7.18.0
       eslint: 10.6.0
       graphemer: 1.4.0
       ignore: 5.3.2
       natural-compare: 1.4.0
-      ts-api-utils: 1.4.3(typescript@6.0.3)
+      ts-api-utils: 1.4.3(typescript@7.0.2)
     optionalDependencies:
-      typescript: 6.0.3
+      typescript: 7.0.2
     transitivePeerDependencies:
       - supports-color
 
@@ -7169,16 +7294,16 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)':
+  '@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)':
     dependencies:
       '@typescript-eslint/scope-manager': 7.18.0
       '@typescript-eslint/types': 7.18.0
-      '@typescript-eslint/typescript-estree': 7.18.0(supports-color@8.1.1)(typescript@6.0.3)
+      '@typescript-eslint/typescript-estree': 7.18.0(supports-color@8.1.1)(typescript@7.0.2)
       '@typescript-eslint/visitor-keys': 7.18.0
       debug: 4.4.3(supports-color@8.1.1)
       eslint: 10.6.0
     optionalDependencies:
-      typescript: 6.0.3
+      typescript: 7.0.2
     transitivePeerDependencies:
       - supports-color
 
@@ -7217,15 +7342,15 @@ snapshots:
     dependencies:
       typescript: 6.0.3
 
-  '@typescript-eslint/type-utils@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)':
+  '@typescript-eslint/type-utils@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)':
     dependencies:
-      '@typescript-eslint/typescript-estree': 7.18.0(supports-color@8.1.1)(typescript@6.0.3)
-      '@typescript-eslint/utils': 7.18.0(eslint@10.6.0)(typescript@6.0.3)
+      '@typescript-eslint/typescript-estree': 7.18.0(supports-color@8.1.1)(typescript@7.0.2)
+      '@typescript-eslint/utils': 7.18.0(eslint@10.6.0)(typescript@7.0.2)
       debug: 4.4.3(supports-color@8.1.1)
       eslint: 10.6.0
-      ts-api-utils: 1.4.3(typescript@6.0.3)
+      ts-api-utils: 1.4.3(typescript@7.0.2)
     optionalDependencies:
-      typescript: 6.0.3
+      typescript: 7.0.2
     transitivePeerDependencies:
       - supports-color
 
@@ -7245,7 +7370,7 @@ snapshots:
 
   '@typescript-eslint/types@8.63.0': {}
 
-  '@typescript-eslint/typescript-estree@7.18.0(supports-color@8.1.1)(typescript@6.0.3)':
+  '@typescript-eslint/typescript-estree@7.18.0(supports-color@8.1.1)(typescript@7.0.2)':
     dependencies:
       '@typescript-eslint/types': 7.18.0
       '@typescript-eslint/visitor-keys': 7.18.0
@@ -7254,9 +7379,9 @@ snapshots:
       is-glob: 4.0.3
       minimatch: 10.2.5
       semver: 7.8.5
-      ts-api-utils: 1.4.3(typescript@6.0.3)
+      ts-api-utils: 1.4.3(typescript@7.0.2)
     optionalDependencies:
-      typescript: 6.0.3
+      typescript: 7.0.2
     transitivePeerDependencies:
       - supports-color
 
@@ -7275,12 +7400,12 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/utils@7.18.0(eslint@10.6.0)(typescript@6.0.3)':
+  '@typescript-eslint/utils@7.18.0(eslint@10.6.0)(typescript@7.0.2)':
     dependencies:
       '@eslint-community/eslint-utils': 4.9.1(eslint@10.6.0)
       '@typescript-eslint/scope-manager': 7.18.0
       '@typescript-eslint/types': 7.18.0
-      '@typescript-eslint/typescript-estree': 7.18.0(supports-color@8.1.1)(typescript@6.0.3)
+      '@typescript-eslint/typescript-estree': 7.18.0(supports-color@8.1.1)(typescript@7.0.2)
       eslint: 10.6.0
     transitivePeerDependencies:
       - supports-color
@@ -7307,6 +7432,66 @@ snapshots:
       '@typescript-eslint/types': 8.63.0
       eslint-visitor-keys: 5.0.1
 
+  '@typescript/typescript-aix-ppc64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-darwin-arm64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-darwin-x64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-freebsd-arm64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-freebsd-x64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-linux-arm64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-linux-arm@7.0.2':
+    optional: true
+
+  '@typescript/typescript-linux-loong64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-linux-mips64el@7.0.2':
+    optional: true
+
+  '@typescript/typescript-linux-ppc64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-linux-riscv64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-linux-s390x@7.0.2':
+    optional: true
+
+  '@typescript/typescript-linux-x64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-netbsd-arm64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-netbsd-x64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-openbsd-arm64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-openbsd-x64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-sunos-x64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-win32-arm64@7.0.2':
+    optional: true
+
+  '@typescript/typescript-win32-x64@7.0.2':
+    optional: true
+
   '@typespec/ts-http-runtime@0.3.6':
     dependencies:
       http-proxy-agent: 7.0.2
@@ -8292,17 +8477,17 @@ snapshots:
       eslint: 10.6.0
       semver: 7.8.5
 
-  eslint-config-etherpad@4.0.5(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3):
+  eslint-config-etherpad@4.0.5(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2):
     dependencies:
       '@rushstack/eslint-patch': 1.16.1
-      '@typescript-eslint/eslint-plugin': 7.18.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)
-      '@typescript-eslint/parser': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)
-      eslint-import-resolver-typescript: 3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1)
+      '@typescript-eslint/eslint-plugin': 7.18.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)
+      '@typescript-eslint/parser': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)
+      eslint-import-resolver-typescript: 3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1)
       eslint-plugin-cypress: 2.15.2(eslint@10.6.0)
       eslint-plugin-eslint-comments: 3.2.0(eslint@10.6.0)
-      eslint-plugin-import: 2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0)
+      eslint-plugin-import: 2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0)
       eslint-plugin-mocha: 10.5.0(eslint@10.6.0)
-      eslint-plugin-n: 17.24.0(eslint@10.6.0)(typescript@6.0.3)
+      eslint-plugin-n: 17.24.0(eslint@10.6.0)(typescript@7.0.2)
       eslint-plugin-prefer-arrow: 1.2.3(eslint@10.6.0)
       eslint-plugin-promise: 6.6.0(eslint@10.6.0)
       eslint-plugin-you-dont-need-lodash-underscore: 6.14.0
@@ -8321,7 +8506,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1):
+  eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1):
     dependencies:
       '@nolyfill/is-core-module': 1.0.39
       debug: 4.4.3(supports-color@8.1.1)
@@ -8332,18 +8517,18 @@ snapshots:
       stable-hash: 0.0.5
       tinyglobby: 0.2.17
     optionalDependencies:
-      eslint-plugin-import: 2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0)
+      eslint-plugin-import: 2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0)
     transitivePeerDependencies:
       - supports-color
 
-  eslint-module-utils@2.14.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint-import-resolver-node@0.3.10)(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0):
+  eslint-module-utils@2.14.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint-import-resolver-node@0.3.10)(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0):
     dependencies:
       debug: 3.2.7
     optionalDependencies:
-      '@typescript-eslint/parser': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)
+      '@typescript-eslint/parser': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)
       eslint: 10.6.0
       eslint-import-resolver-node: 0.3.10
-      eslint-import-resolver-typescript: 3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1)
+      eslint-import-resolver-typescript: 3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1)
     transitivePeerDependencies:
       - supports-color
 
@@ -8365,7 +8550,7 @@ snapshots:
       eslint: 10.6.0
       ignore: 5.3.2
 
-  eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0):
+  eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0):
     dependencies:
       '@rtsao/scc': 1.1.0
       array-includes: 3.1.9
@@ -8376,7 +8561,7 @@ snapshots:
       doctrine: 2.1.0
       eslint: 10.6.0
       eslint-import-resolver-node: 0.3.10
-      eslint-module-utils: 2.14.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint-import-resolver-node@0.3.10)(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0)
+      eslint-module-utils: 2.14.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint-import-resolver-node@0.3.10)(eslint-import-resolver-typescript@3.9.1(eslint-plugin-import@2.32.0(@typescript-eslint/parser@7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2))(eslint@10.6.0))(eslint@10.6.0)(supports-color@8.1.1))(eslint@10.6.0)
       hasown: 2.0.4
       is-core-module: 2.16.2
       is-glob: 4.0.3
@@ -8388,7 +8573,7 @@ snapshots:
       string.prototype.trimend: 1.0.10
       tsconfig-paths: 3.15.0
     optionalDependencies:
-      '@typescript-eslint/parser': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@6.0.3)
+      '@typescript-eslint/parser': 7.18.0(eslint@10.6.0)(supports-color@8.1.1)(typescript@7.0.2)
     transitivePeerDependencies:
       - eslint-import-resolver-typescript
       - eslint-import-resolver-webpack
@@ -8401,7 +8586,7 @@ snapshots:
       globals: 13.24.0
       rambda: 7.5.0
 
-  eslint-plugin-n@17.24.0(eslint@10.6.0)(typescript@6.0.3):
+  eslint-plugin-n@17.24.0(eslint@10.6.0)(typescript@7.0.2):
     dependencies:
       '@eslint-community/eslint-utils': 4.9.1(eslint@10.6.0)
       enhanced-resolve: 5.24.2
@@ -8412,7 +8597,7 @@ snapshots:
       globrex: 0.1.2
       ignore: 5.3.2
       semver: 7.8.5
-      ts-declaration-location: 1.0.7(typescript@6.0.3)
+      ts-declaration-location: 1.0.7(typescript@7.0.2)
     transitivePeerDependencies:
       - typescript
 
@@ -10819,11 +11004,11 @@ snapshots:
 
   supports-preserve-symlinks-flag@1.0.0: {}
 
-  surrealdb@2.0.4(tslib@2.8.1)(typescript@6.0.3):
+  surrealdb@2.0.4(tslib@2.8.1)(typescript@7.0.2):
     dependencies:
-      '@surrealdb/sqon': 0.1.0(tslib@2.8.1)(typescript@6.0.3)
+      '@surrealdb/sqon': 0.1.0(tslib@2.8.1)(typescript@7.0.2)
       tslib: 2.8.1
-      typescript: 6.0.3
+      typescript: 7.0.2
 
   swagger-schema-official@2.0.0-bab6bed: {}
 
@@ -10907,18 +11092,18 @@ snapshots:
 
   trough@2.2.0: {}
 
-  ts-api-utils@1.4.3(typescript@6.0.3):
+  ts-api-utils@1.4.3(typescript@7.0.2):
     dependencies:
-      typescript: 6.0.3
+      typescript: 7.0.2
 
   ts-api-utils@2.5.0(typescript@6.0.3):
     dependencies:
       typescript: 6.0.3
 
-  ts-declaration-location@1.0.7(typescript@6.0.3):
+  ts-declaration-location@1.0.7(typescript@7.0.2):
     dependencies:
       picomatch: 4.0.5
-      typescript: 6.0.3
+      typescript: 7.0.2
 
   tsconfig-paths@3.15.0:
     dependencies:
@@ -10990,7 +11175,30 @@ snapshots:
 
   typescript@6.0.3: {}
 
-  ueberdb2@6.1.16(@elastic/elasticsearch@9.4.2)(async@3.2.6)(cassandra-driver@4.9.0)(dirty-ts@1.1.8)(mongodb@7.4.0(socks@2.8.9))(mssql@12.7.0)(mysql2@3.22.6(@types/node@26.1.1))(nano@11.0.6)(pg@8.22.0)(redis@6.1.0(@opentelemetry/api@1.9.1))(rethinkdb@2.4.2)(rusty-store-kv@1.3.1)(surrealdb@2.0.4(tslib@2.8.1)(typescript@6.0.3)):
+  typescript@7.0.2:
+    optionalDependencies:
+      '@typescript/typescript-aix-ppc64': 7.0.2
+      '@typescript/typescript-darwin-arm64': 7.0.2
+      '@typescript/typescript-darwin-x64': 7.0.2
+      '@typescript/typescript-freebsd-arm64': 7.0.2
+      '@typescript/typescript-freebsd-x64': 7.0.2
+      '@typescript/typescript-linux-arm': 7.0.2
+      '@typescript/typescript-linux-arm64': 7.0.2
+      '@typescript/typescript-linux-loong64': 7.0.2
+      '@typescript/typescript-linux-mips64el': 7.0.2
+      '@typescript/typescript-linux-ppc64': 7.0.2
+      '@typescript/typescript-linux-riscv64': 7.0.2
+      '@typescript/typescript-linux-s390x': 7.0.2
+      '@typescript/typescript-linux-x64': 7.0.2
+      '@typescript/typescript-netbsd-arm64': 7.0.2
+      '@typescript/typescript-netbsd-x64': 7.0.2
+      '@typescript/typescript-openbsd-arm64': 7.0.2
+      '@typescript/typescript-openbsd-x64': 7.0.2
+      '@typescript/typescript-sunos-x64': 7.0.2
+      '@typescript/typescript-win32-arm64': 7.0.2
+      '@typescript/typescript-win32-x64': 7.0.2
+
+  ueberdb2@6.1.16(@elastic/elasticsearch@9.4.2)(async@3.2.6)(cassandra-driver@4.9.0)(dirty-ts@1.1.8)(mongodb@7.4.0(socks@2.8.9))(mssql@12.7.0)(mysql2@3.22.6(@types/node@26.1.1))(nano@11.0.6)(pg@8.22.0)(redis@6.1.0(@opentelemetry/api@1.9.1))(rethinkdb@2.4.2)(rusty-store-kv@1.3.1)(surrealdb@2.0.4(tslib@2.8.1)(typescript@7.0.2)):
     optionalDependencies:
       '@elastic/elasticsearch': 9.4.2
       async: 3.2.6
@@ -11004,7 +11212,7 @@ snapshots:
       redis: 6.1.0(@opentelemetry/api@1.9.1)
       rethinkdb: 2.4.2
       rusty-store-kv: 1.3.1
-      surrealdb: 2.0.4(tslib@2.8.1)(typescript@6.0.3)
+      surrealdb: 2.0.4(tslib@2.8.1)(typescript@7.0.2)
 
   uid-safe@2.1.5:
     dependencies:
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index d7239284c57..a23cc8768b1 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -56,3 +56,24 @@ minimumReleaseAgeExclude:
   - mysql2@3.22.6
   - oidc-provider@9.9.0
   - sql-escaper@1.4.0
+  - '@typescript/typescript-aix-ppc64@7.0.2'
+  - '@typescript/typescript-darwin-arm64@7.0.2'
+  - '@typescript/typescript-darwin-x64@7.0.2'
+  - '@typescript/typescript-freebsd-arm64@7.0.2'
+  - '@typescript/typescript-freebsd-x64@7.0.2'
+  - '@typescript/typescript-linux-arm64@7.0.2'
+  - '@typescript/typescript-linux-arm@7.0.2'
+  - '@typescript/typescript-linux-loong64@7.0.2'
+  - '@typescript/typescript-linux-mips64el@7.0.2'
+  - '@typescript/typescript-linux-ppc64@7.0.2'
+  - '@typescript/typescript-linux-riscv64@7.0.2'
+  - '@typescript/typescript-linux-s390x@7.0.2'
+  - '@typescript/typescript-linux-x64@7.0.2'
+  - '@typescript/typescript-netbsd-arm64@7.0.2'
+  - '@typescript/typescript-netbsd-x64@7.0.2'
+  - '@typescript/typescript-openbsd-arm64@7.0.2'
+  - '@typescript/typescript-openbsd-x64@7.0.2'
+  - '@typescript/typescript-sunos-x64@7.0.2'
+  - '@typescript/typescript-win32-arm64@7.0.2'
+  - '@typescript/typescript-win32-x64@7.0.2'
+  - typescript@7.0.2
diff --git a/src/package.json b/src/package.json
index 9dd30929e47..61653954f79 100644
--- a/src/package.json
+++ b/src/package.json
@@ -131,7 +131,7 @@
     "sinon": "^22.0.0",
     "split-grid": "^1.0.11",
     "supertest": "^7.2.2",
-    "typescript": "^6.0.3",
+    "typescript": "^7.0.0",
     "vitest": "^4.1.10"
   },
   "engines": {
diff --git a/src/static/js/TextLinesMutator.ts b/src/static/js/TextLinesMutator.ts
index c6d3c930324..3cc23ebefc9 100644
--- a/src/static/js/TextLinesMutator.ts
+++ b/src/static/js/TextLinesMutator.ts
@@ -13,7 +13,10 @@ import {splitTextLines} from "./Changeset";
  */
 class TextLinesMutator {
   private _lines: string[];
-  private _curSplice: [number, number?];
+  // Args for a future this._lines.splice(): [index, deleteCount, ...linesToInsert].
+  // Indexing past the two leading numbers yields `string | number` to the compiler even though
+  // elements from index 2 on are always strings, hence the `as string` casts below.
+  private _curSplice: [number, number, ...string[]];
   private _inSplice: boolean;
   private _curLine: number;
   private _curCol: number;
@@ -132,9 +135,7 @@ class TextLinesMutator {
    */
   _putCurLineInSplice() {
     if (!this._isCurLineInSplice()) {
-      // @ts-ignore
       this._curSplice.push(this._linesGet(this._curSplice[0] + this._curSplice[1]));
-      // @ts-ignore
       this._curSplice[1]++;
     }
     // TODO should be the same as this._curSplice.length - 1
@@ -211,7 +212,6 @@ class TextLinesMutator {
      * @returns {string} joined lines
      */
     const nextKLinesText = (k: number) => {
-      // @ts-ignore
       const m = this._curSplice[0] + this._curSplice[1];
       return this._linesSlice(m, m + k).join('');
     };
@@ -219,29 +219,22 @@ class TextLinesMutator {
     let removed = '';
     if (this._isCurLineInSplice()) {
       if (this._curCol === 0) {
-        // @ts-ignore
-        removed = this._curSplice[this._curSplice.length - 1];
+        removed = this._curSplice[this._curSplice.length - 1] as string;
         this._curSplice.length--;
         removed += nextKLinesText(L - 1);
-        // @ts-ignore
         this._curSplice[1] += L - 1;
       } else {
         removed = nextKLinesText(L - 1);
-        // @ts-ignore
         this._curSplice[1] += L - 1;
         const sline = this._curSplice.length - 1;
-        // @ts-ignore
-        removed = this._curSplice[sline].substring(this._curCol) + removed;
-        // @ts-ignore
-        this._curSplice[sline] = this._curSplice[sline].substring(0, this._curCol) +
-          // @ts-ignore
+        removed = (this._curSplice[sline] as string).substring(this._curCol) + removed;
+        this._curSplice[sline] = (this._curSplice[sline] as string).substring(0, this._curCol) +
           this._linesGet(this._curSplice[0] + this._curSplice[1]);
-        // @ts-ignore
         this._curSplice[1] += 1;
       }
     } else {
       removed = nextKLinesText(L);
-      this._curSplice[1]! += L;
+      this._curSplice[1] += L;
     }
     return removed;
   }
@@ -260,12 +253,9 @@ class TextLinesMutator {
     // although the line is put into splice, curLine is not increased, because
     // only some chars are removed not the whole line
     const sline = this._putCurLineInSplice();
-    // @ts-ignore
-    const removed = this._curSplice[sline].substring(this._curCol, this._curCol + N);
-    // @ts-ignore
-    this._curSplice[sline] = this._curSplice[sline].substring(0, this._curCol) +
-      // @ts-ignore
-      this._curSplice[sline].substring(this._curCol + N);
+    const line = this._curSplice[sline] as string;
+    const removed = line.substring(this._curCol, this._curCol + N);
+    this._curSplice[sline] = line.substring(0, this._curCol) + line.substring(this._curCol + N);
     return removed;
   }
 
@@ -275,34 +265,29 @@ class TextLinesMutator {
    * @param {string} text - the text to insert
    * @param {number} L - number of newlines in text
    */
-  insert(text: string | any[], L: any) {
+  insert(text: string, L: number) {
     if (!text) return;
     if (!this._inSplice) this._enterSplice();
     if (L) {
-      // @ts-ignore
-      const newLines = splitTextLines(text);
+      const newLines = splitTextLines(text) ?? [];
       if (this._isCurLineInSplice()) {
         const sline = this._curSplice.length - 1;
-        /** @type {string} */
-        const theLine = this._curSplice[sline];
+        const theLine = this._curSplice[sline] as string;
         const lineCol = this._curCol;
         // Insert the chars up to `curCol` and the first new line.
-        // @ts-ignore
         this._curSplice[sline] = theLine.substring(0, lineCol) + newLines[0];
         this._curLine++;
-        newLines!.splice(0, 1);
+        newLines.splice(0, 1);
         // insert the remaining new lines
-        // @ts-ignore
         this._curSplice.push(...newLines);
-        this._curLine += newLines!.length;
+        this._curLine += newLines.length;
         // insert the remaining chars from the "old" line (e.g. the line we were in
         // when we started to insert new lines)
-        // @ts-ignore
         this._curSplice.push(theLine.substring(lineCol));
         this._curCol = 0; // TODO(doc) why is this not set to the length of last line?
       } else {
         this._curSplice.push(...newLines);
-        this._curLine += newLines!.length;
+        this._curLine += newLines.length;
       }
     } else {
       // There are no additional lines. Although the line is put into splice, curLine is not
@@ -315,10 +300,8 @@ class TextLinesMutator {
           'https://github.com/ether/etherpad-lite/issues/2802');
         console.error(err.stack || err.toString());
       }
-      // @ts-ignore
-      this._curSplice[sline] = this._curSplice[sline].substring(0, this._curCol) + text +
-        // @ts-ignore
-        this._curSplice[sline].substring(this._curCol);
+      const line = this._curSplice[sline] as string;
+      this._curSplice[sline] = line.substring(0, this._curCol) + text + line.substring(this._curCol);
       this._curCol += text.length;
     }
   }
@@ -331,7 +314,6 @@ class TextLinesMutator {
   hasMore() {
     let docLines = this._linesLength();
     if (this._inSplice) {
-      // @ts-ignore
       docLines += this._curSplice.length - 2 - this._curSplice[1];
     }
     return this._curLine < docLines;
diff --git a/src/tests/backend/specs/hooks.ts b/src/tests/backend/specs/hooks.ts
index 07c6e262ea9..be5bec4b591 100644
--- a/src/tests/backend/specs/hooks.ts
+++ b/src/tests/backend/specs/hooks.ts
@@ -65,7 +65,14 @@ describe(__filename, function () {
   });
 
   // Hook functions that should work for both synchronous and asynchronous hooks.
-  const supportedSyncHookFunctions = [
+  type HookFnTestCase = {
+    name: string;
+    fn: (hn: any, ctx: any, cb?: any) => any;
+    want?: unknown;
+    wantErr?: string;
+    syncOk?: boolean;
+  };
+  const supportedSyncHookFunctions: HookFnTestCase[] = [
     {
       name: 'return non-Promise value, with callback parameter',
       fn: (hn:Function, ctx:any, cb:Function) => 'val',
@@ -563,7 +570,6 @@ describe(__filename, function () {
     });
 
     describe('supported hook function styles', function () {
-      // @ts-ignore
       const supportedHookFunctions = supportedSyncHookFunctions.concat([
         {
           name: 'legacy async cb',