fix(tui): scope file autocomplete to session (#33458)

packages/tui/src/context/location.tsx

@@ -0,0 +1,14 @@
+import type { LocationRef } from "@opencode-ai/sdk/v2"
+import { createContext, useContext, type Accessor, type ParentProps } from "solid-js"
+
+const context = createContext<Accessor<LocationRef | undefined>>()
+
+export function LocationProvider(props: ParentProps<{ location?: LocationRef }>) {
+  return <context.Provider value={() => props.location}>{props.children}</context.Provider>
+}
+
+export function useLocation() {
+  const value = useContext(context)
+  if (!value) throw new Error("Location context must be used within a LocationProvider")
+  return value
+}

packages/tui/src/context/path-format.tsx

@@ -1,31 +1,15 @@
 import path from "path"
-import { createContext, useContext, type ParentProps } from "solid-js"
 import { abbreviateHome } from "../runtime"
+import { useLocation } from "./location"
 import { useTuiPaths } from "./runtime"
 
-const context = createContext<{
-  path: () => string
-  format: (input?: string) => string
-}>()
-
-export function PathFormatterProvider(props: ParentProps<{ path: string | undefined }>) {
-  const paths = useTuiPaths()
-  return (
-    <context.Provider
-      value={{
-        path: () => props.path || paths.cwd,
-        format: (input) => formatPath(input, props.path || paths.cwd, paths.home),
-      }}
-    >
-      {props.children}
-    </context.Provider>
-  )
-}
-
 export function usePathFormatter() {
-  const value = useContext(context)
-  if (!value) throw new Error("PathFormatter context must be used within a PathFormatterProvider")
-  return value
+  const paths = useTuiPaths()
+  const location = useLocation()
+  return {
+    path: () => location()?.directory || paths.cwd,
+    format: (input?: string) => formatPath(input, location()?.directory || paths.cwd, paths.home),
+  }
 }
 
 function formatPath(input: string | undefined, base: string, home: string) {