diff --git a/apps/x/apps/renderer/src/App.tsx b/apps/x/apps/renderer/src/App.tsx
index ae8d60c9..a92f2d28 100644
--- a/apps/x/apps/renderer/src/App.tsx
+++ b/apps/x/apps/renderer/src/App.tsx
@@ -648,7 +648,7 @@ function App() {
     voice.start()
   }, [voice])
 
-  const handlePromptSubmitRef = useRef<((msg: { text: string }) => void) | null>(null)
+  const handlePromptSubmitRef = useRef<((message: PromptInputMessage, mentions?: FileMention[], stagedAttachments?: StagedAttachment[], searchEnabled?: boolean) => Promise<void>) | null>(null)
   const pendingVoiceInputRef = useRef(false)
 
   const handleSubmitRecording = useCallback(() => {
@@ -657,7 +657,7 @@ function App() {
     isRecordingRef.current = false
     if (text) {
       pendingVoiceInputRef.current = true
-      handlePromptSubmitRef.current?.({ text })
+      handlePromptSubmitRef.current?.({ text, files: [] })
     }
   }, [voice])
 
diff --git a/apps/x/apps/renderer/src/components/bases-view.tsx b/apps/x/apps/renderer/src/components/bases-view.tsx
index 7462f5b5..cad6ccbf 100644
--- a/apps/x/apps/renderer/src/components/bases-view.tsx
+++ b/apps/x/apps/renderer/src/components/bases-view.tsx
@@ -143,9 +143,6 @@ function getSortValue(note: NoteEntry, column: string): string | number {
   return Array.isArray(v) ? v[0] ?? '' : v
 }
 
-const isBuiltin = (col: string): col is BuiltinColumn =>
-  (BUILTIN_COLUMNS as readonly string[]).includes(col)
-
 export function BasesView({ tree, onSelectNote, config, onConfigChange, isDefaultBase, onSave, externalSearch, onExternalSearchConsumed }: BasesViewProps) {
   // Build notes instantly from tree
   const notes = useMemo<NoteEntry[]>(() => {
diff --git a/apps/x/apps/renderer/src/components/chat-input-with-mentions.tsx b/apps/x/apps/renderer/src/components/chat-input-with-mentions.tsx
index 74a0b2ed..afc29b34 100644
--- a/apps/x/apps/renderer/src/components/chat-input-with-mentions.tsx
+++ b/apps/x/apps/renderer/src/components/chat-input-with-mentions.tsx
@@ -70,7 +70,7 @@ const providerDisplayNames: Record<string, string> = {
 }
 
 interface ConfiguredModel {
-  flavor: string
+  flavor: "openai" | "anthropic" | "google" | "openrouter" | "aigateway" | "ollama" | "openai-compatible" | "rowboat"
   model: string
   apiKey?: string
   baseURL?: string
@@ -224,7 +224,7 @@ function ChatInputInner({
             for (const model of allModels) {
               if (model) {
                 models.push({
-                  flavor,
+                  flavor: flavor as ConfiguredModel['flavor'],
                   model,
                   apiKey: (e.apiKey as string) || undefined,
                   baseURL: (e.baseURL as string) || undefined,
diff --git a/apps/x/apps/renderer/src/components/connectors-popover.tsx b/apps/x/apps/renderer/src/components/connectors-popover.tsx
index 254a4331..0671699a 100644
--- a/apps/x/apps/renderer/src/components/connectors-popover.tsx
+++ b/apps/x/apps/renderer/src/components/connectors-popover.tsx
@@ -57,7 +57,7 @@ export function ConnectorsPopover({ children, tooltip, open: openProp, onOpenCha
 
   // Composio API key state
   const [composioApiKeyOpen, setComposioApiKeyOpen] = useState(false)
-  const [composioApiKeyTarget, setComposioApiKeyTarget] = useState<'slack' | 'gmail'>('gmail')
+  const [, setComposioApiKeyTarget] = useState<'slack' | 'gmail'>('gmail')
 
   // Slack state (agent-slack CLI)
   const [slackEnabled, setSlackEnabled] = useState(false)
diff --git a/apps/x/apps/renderer/src/components/frontmatter-properties.tsx b/apps/x/apps/renderer/src/components/frontmatter-properties.tsx
index 280d45f1..0ceb2c76 100644
--- a/apps/x/apps/renderer/src/components/frontmatter-properties.tsx
+++ b/apps/x/apps/renderer/src/components/frontmatter-properties.tsx
@@ -59,7 +59,7 @@ export function FrontmatterProperties({ raw, onRawChange, editable = true }: Fro
     })
   }, [])
 
-  const commitField = useCallback((index: number) => {
+  const commitField = useCallback((_index: number) => {
     setFields(prev => {
       commit(prev)
       return prev
diff --git a/apps/x/apps/renderer/src/components/markdown-editor.tsx b/apps/x/apps/renderer/src/components/markdown-editor.tsx
index 776b5a42..9f4a2d2a 100644
--- a/apps/x/apps/renderer/src/components/markdown-editor.tsx
+++ b/apps/x/apps/renderer/src/components/markdown-editor.tsx
@@ -555,7 +555,7 @@ export function MarkdownEditor({
 
         return false
       },
-      handleClickOn: (_view, _pos, node, nodePos, event) => {
+      handleClickOn: (_view, _pos, node, _nodePos, event) => {
         if (node.type.name === 'wikiLink') {
           event.preventDefault()
           wikiLinks?.onOpen?.(node.attrs.path)
diff --git a/apps/x/apps/renderer/src/components/onboarding-modal.tsx b/apps/x/apps/renderer/src/components/onboarding-modal.tsx
index d687d81a..82064205 100644
--- a/apps/x/apps/renderer/src/components/onboarding-modal.tsx
+++ b/apps/x/apps/renderer/src/components/onboarding-modal.tsx
@@ -84,7 +84,7 @@ export function OnboardingModal({ open, onComplete }: OnboardingModalProps) {
 
   // Composio API key state
   const [composioApiKeyOpen, setComposioApiKeyOpen] = useState(false)
-  const [composioApiKeyTarget, setComposioApiKeyTarget] = useState<'slack' | 'gmail'>('gmail')
+  const [, setComposioApiKeyTarget] = useState<'slack' | 'gmail'>('gmail')
 
   // Slack state (agent-slack CLI)
   const [slackEnabled, setSlackEnabled] = useState(false)
diff --git a/apps/x/apps/renderer/src/components/onboarding/steps/llm-setup-step.tsx b/apps/x/apps/renderer/src/components/onboarding/steps/llm-setup-step.tsx
index 31a7308a..534a67a8 100644
--- a/apps/x/apps/renderer/src/components/onboarding/steps/llm-setup-step.tsx
+++ b/apps/x/apps/renderer/src/components/onboarding/steps/llm-setup-step.tsx
@@ -41,7 +41,7 @@ const moreProviders: Array<{ id: LlmProviderFlavor; name: string; description: s
 export function LlmSetupStep({ state }: LlmSetupStepProps) {
   const {
     llmProvider, setLlmProvider, modelsCatalog, modelsLoading, modelsError,
-    activeConfig, testState, setTestState, showApiKey, requiresApiKey,
+    activeConfig, testState, setTestState, showApiKey,
     showBaseURL, isLocalProvider, canTest, showMoreProviders, setShowMoreProviders,
     updateProviderConfig, handleTestAndSaveLlmConfig, handleBack,
     upsellDismissed, setUpsellDismissed, handleSwitchToRowboat,
diff --git a/apps/x/apps/renderer/src/components/settings-dialog.tsx b/apps/x/apps/renderer/src/components/settings-dialog.tsx
index 65c5b424..d987ee18 100644
--- a/apps/x/apps/renderer/src/components/settings-dialog.tsx
+++ b/apps/x/apps/renderer/src/components/settings-dialog.tsx
@@ -907,7 +907,7 @@ const DEFAULT_TAGS: TagDef[] = [
 
 function TagGroupTable({
   group,
-  tags,
+  tags: _tags,
   collapsed,
   onToggle,
   onAdd,
diff --git a/apps/x/apps/renderer/src/extensions/task-block.tsx b/apps/x/apps/renderer/src/extensions/task-block.tsx
index 9c93231d..b1839745 100644
--- a/apps/x/apps/renderer/src/extensions/task-block.tsx
+++ b/apps/x/apps/renderer/src/extensions/task-block.tsx
@@ -3,8 +3,8 @@ import { ReactNodeViewRenderer, NodeViewWrapper } from '@tiptap/react'
 import { CalendarClock, X } from 'lucide-react'
 import { inlineTask } from '@x/shared'
 
-function TaskBlockView({ node, deleteNode }: { node: { attrs: { data: string } }; deleteNode: () => void }) {
-  const raw = node.attrs.data
+function TaskBlockView({ node, deleteNode }: { node: { attrs: Record<string, unknown> }; deleteNode: () => void }) {
+  const raw = node.attrs.data as string
   let instruction = ''
   let scheduleLabel = ''
 
diff --git a/apps/x/apps/renderer/src/hooks/useBilling.ts b/apps/x/apps/renderer/src/hooks/useBilling.ts
index 49459fdb..6ab5f04a 100644
--- a/apps/x/apps/renderer/src/hooks/useBilling.ts
+++ b/apps/x/apps/renderer/src/hooks/useBilling.ts
@@ -1,8 +1,8 @@
 import { useState, useEffect, useCallback } from 'react'
 
 interface BillingInfo {
-  subscriptionPlan: string
-  subscriptionStatus: string
+  subscriptionPlan: string | null
+  subscriptionStatus: string | null
   sanctionedCredits: number
   availableCredits: number
 }