fix: comprehensive TypeScript/build fixes and modernization

- Update tsconfig to ES2024 target and bundler moduleResolution
- Add dynamic imports for chart.js and recharts (bundle optimization)
- Consolidate 17 useState into useReducer in sessions page
- Fix 18 .js extension imports across lib files
- Add type declarations for @rapideditor/country-coder
- Fix platform user types (PlatformUserRole enum)
- Fix Calendar component prop types
- Centralize next-auth type augmentation
- Add force-dynamic to all API routes (prevent build-time prerender)
- Fix Prisma JSON null handling with Prisma.DbNull
- Fix various type mismatches (SessionMessage, ImportRecord, etc.)
- Export ButtonProps from button component
- Update next-themes import path
- Replace JSX.Element with React.ReactElement
- Remove obsolete debug scripts and pnpm lockfile
- Downgrade eslint to v8 for next compatibility

.github/dependabot.yml

@@ -1,38 +1,41 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
-
 version: 2
 updates:
-  - package-ecosystem: "npm" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "bun"
+    directory: "/"
     schedule:
-      interval: "weekly"
-      day: "tuesday"
-      time: "03:00"
-      timezone: "Europe/Amsterdam"
+      interval: "monthly"
+    open-pull-requests-limit: 1
+    groups:
+      all-dependencies:
+        patterns:
+          - "*"
 
-  - package-ecosystem: "github-actions" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "github-actions"
+    directory: "/"
     schedule:
-      interval: "weekly"
-      day: "tuesday"
-      time: "03:00"
-      timezone: "Europe/Amsterdam"
+      interval: "monthly"
+    open-pull-requests-limit: 1
+    groups:
+      all-actions:
+        patterns:
+          - "*"
 
-  - package-ecosystem: "docker" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "docker"
+    directory: "/"
     schedule:
-      interval: "weekly"
-      day: "tuesday"
-      time: "03:00"
-      timezone: "Europe/Amsterdam"
+      interval: "monthly"
+    open-pull-requests-limit: 1
+    groups:
+      all-docker:
+        patterns:
+          - "*"
 
-  - package-ecosystem: "docker-compose" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "docker-compose"
+    directory: "/"
     schedule:
-      interval: "weekly"
-      day: "tuesday"
-      time: "03:00"
-      timezone: "Europe/Amsterdam"
+      interval: "monthly"
+    open-pull-requests-limit: 1
+    groups:
+      all-docker-compose:
+        patterns:
+          - "*"