tui: guard path formatting inputs

Issue #29895

Author: simonklee

packages/opencode/src/cli/cmd/tui/context/path-format.tsx

@@ -4,7 +4,7 @@ import { Global } from "@opencode-ai/core/global"
 
 const context = createContext<{
   path: () => string
-  format: (input?: string) => string
+  format: (input?: unknown) => string
 }>()
 
 export function PathFormatterProvider(props: ParentProps<{ path: string | undefined }>) {
@@ -23,8 +23,8 @@ export function usePathFormatter() {
   return value
 }
 
-function formatPath(input: string | undefined, base: string | undefined) {
-  if (!input) return ""
+function formatPath(input: unknown, base: string | undefined) {
+  if (typeof input !== "string" || !input) return ""
 
   const root = base || process.cwd()
   const absolute = path.isAbsolute(input) ? input : path.resolve(root, input)

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -2531,10 +2531,10 @@ function Skill(props: ToolProps<typeof SkillTool>) {
   )
 }
 
-function Diagnostics(props: { diagnostics?: Record<string, Record<string, any>[]>; filePath: string }) {
+function Diagnostics(props: { diagnostics?: Record<string, Record<string, any>[]>; filePath: unknown }) {
   const { theme } = useTheme()
   const errors = createMemo(() => {
-    const normalized = Filesystem.normalizePath(props.filePath)
+    const normalized = Filesystem.normalizePath(typeof props.filePath === "string" ? props.filePath : "")
     const arr = props.diagnostics?.[normalized] ?? []
     return arr.filter((x) => x.severity === 1).slice(0, 3)
   })
@@ -2563,8 +2563,8 @@ function input(input: Record<string, any>, omit?: string[]): string {
   return `[${primitives.map(([key, value]) => `${key}=${value}`).join(", ")}]`
 }
 
-function filetype(input?: string) {
-  if (!input) return "none"
+function filetype(input?: unknown) {
+  if (typeof input !== "string" || !input) return "none"
   const ext = path.extname(input)
   const language = LANGUAGE_EXTENSIONS[ext]
   if (["typescriptreact", "javascriptreact", "javascript"].includes(language)) return "typescript"

packages/opencode/src/cli/cmd/tui/routes/session/permission.tsx

@@ -20,8 +20,8 @@ import { usePathFormatter } from "../../context/path-format"
 
 type PermissionStage = "permission" | "always" | "reject"
 
-function filetype(input?: string) {
-  if (!input) return "none"
+function filetype(input?: unknown) {
+  if (typeof input !== "string" || !input) return "none"
   const ext = path.extname(input)
   const language = LANGUAGE_EXTENSIONS[ext]
   if (["typescriptreact", "javascriptreact", "javascript"].includes(language)) return "typescript"
@@ -35,8 +35,14 @@ function EditBody(props: { request: PermissionRequest }) {
   const config = useTuiConfig()
   const dimensions = useTerminalDimensions()
 
-  const filepath = createMemo(() => (props.request.metadata?.filepath as string) ?? "")
-  const diff = createMemo(() => (props.request.metadata?.diff as string) ?? "")
+  const filepath = createMemo(() => {
+    const value = props.request.metadata?.filepath
+    return typeof value === "string" ? value : ""
+  })
+  const diff = createMemo(() => {
+    const value = props.request.metadata?.diff
+    return typeof value === "string" ? value : ""
+  })
 
   const view = createMemo(() => {
     const diffStyle = config.diff_style