fix: declare unlisted dependencies surfaced by knip

sharp (icon script), @auth/core (adapter types in _core/schema),
react-resizable (css imported by dashboard-editor), and server-only
were imported but undeclared, resolving only via pnpm hoisting.

pnpm-lock.yaml

@@ -8,6 +8,9 @@ importers:
 
   .:
     dependencies:
+      '@auth/core':
+        specifier: 0.41.2
+        version: 0.41.2
       '@auth/drizzle-adapter':
         specifier: ^1.11.2
         version: 1.11.2
@@ -74,6 +77,12 @@ importers:
       react-grid-layout:
         specifier: ^2.2.3
         version: 2.2.3(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
+      react-resizable:
+        specifier: ^3.1.3
+        version: 3.1.3(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
+      server-only:
+        specifier: ^0.0.1
+        version: 0.0.1
       shadcn:
         specifier: ^4.7.0
         version: 4.7.0(@types/node@24.12.4)(typescript@5.9.3)
@@ -153,6 +162,9 @@ importers:
       release-it:
         specifier: ^20.2.0
         version: 20.2.0(@types/node@24.12.4)
+      sharp:
+        specifier: ^0.34.5
+        version: 0.34.5
       tailwindcss:
         specifier: ^4.2.4
         version: 4.2.4
@@ -4521,6 +4533,9 @@ packages:
     resolution: {integrity: sha512-xRXBn0pPqQTVQiC8wyQrKs2MOlX24zQ0POGaj0kultvoOCstBQM5yvOhAVSUwOMjQtTvsPWoNCHfPGwaaQJhTw==}
     engines: {node: '>= 18'}
 
+  server-only@0.0.1:
+    resolution: {integrity: sha512-qepMx2JxAa5jjfzxG79yPPq+8BuFToHd1hm7kI+Z4zAq1ftQiP7HcxMhDDItrbtwVeLg/cY2JnKnrcFkmiswNA==}
+
   set-cookie-parser@3.1.0:
     resolution: {integrity: sha512-kjnC1DXBHcxaOaOXBHBeRtltsDG2nUiUni+jP92M9gYdW12rsmx92UsfpH7o5tDRs7I1ZZPSQJQGv3UaRfCiuw==}
 
@@ -5853,8 +5868,7 @@ snapshots:
 
   '@humanwhocodes/retry@0.4.3': {}
 
-  '@img/colour@1.1.0':
-    optional: true
+  '@img/colour@1.1.0': {}
 
   '@img/sharp-darwin-arm64@0.34.5':
     optionalDependencies:
@@ -9387,6 +9401,8 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  server-only@0.0.1: {}
+
   set-cookie-parser@3.1.0: {}
 
   set-function-length@1.2.2:
@@ -9486,7 +9502,6 @@ snapshots:
       '@img/sharp-win32-arm64': 0.34.5
       '@img/sharp-win32-ia32': 0.34.5
       '@img/sharp-win32-x64': 0.34.5
-    optional: true
 
   shebang-command@2.0.0:
     dependencies: