diff --git a/packages/opencode/src/cli/cmd/tui/app.tsx b/packages/opencode/src/cli/cmd/tui/app.tsx
index c98d4e2633..833c8dc8c3 100644
--- a/packages/opencode/src/cli/cmd/tui/app.tsx
+++ b/packages/opencode/src/cli/cmd/tui/app.tsx
@@ -727,6 +727,15 @@ function App(props: { onSnapshot?: () => Promise<string[]> }) {
         dialog.clear()
       },
     },
+    {
+      title: kv.get("file_context_enabled", true) ? "Disable file context" : "Enable file context",
+      value: "app.toggle.file_context",
+      category: "System",
+      onSelect: (dialog) => {
+        kv.set("file_context_enabled", !kv.get("file_context_enabled", true))
+        dialog.clear()
+      },
+    },
     {
       title: kv.get("diff_wrap_mode", "word") === "word" ? "Disable diff wrapping" : "Enable diff wrapping",
       value: "app.toggle.diffwrap",
diff --git a/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx b/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
index 05afd33699..7fead6fdbc 100644
--- a/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
+++ b/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
@@ -112,9 +112,10 @@ export function Prompt(props: PromptProps) {
   const animationsEnabled = createMemo(() => kv.get("animations_enabled", true))
   const list = createMemo(() => props.placeholders?.normal ?? [])
   const shell = createMemo(() => props.placeholders?.shell ?? [])
-  const editorPath = createMemo(() => editor.selection()?.filePath)
+  const fileContextEnabled = createMemo(() => kv.get("file_context_enabled", true))
+  const editorPath = createMemo(() => (fileContextEnabled() ? editor.selection()?.filePath : undefined))
   const editorSelectionLabel = createMemo(() => {
-    const selection = editor.selection()?.selection
+    const selection = fileContextEnabled() ? editor.selection()?.selection : undefined
     if (!selection) return
     if (selection.start.line === selection.end.line && selection.start.character === selection.end.character) return
     if (selection.start.line === selection.end.line) return `#${selection.start.line}`
@@ -746,7 +747,7 @@ export function Prompt(props: PromptProps) {
     // Capture mode before it gets reset
     const currentMode = store.mode
     const variant = local.model.variant.current()
-    const editorSelection = editor.selection()
+    const editorSelection = fileContextEnabled() ? editor.selection() : undefined
     const editorParts = editorSelection
       ? [
           {
@@ -755,13 +756,17 @@ export function Prompt(props: PromptProps) {
             text: (() => {
               const start = editorSelection.selection.start
               const end = editorSelection.selection.end
+
+              let text = ""
               if (start.line === end.line && start.character === end.character) {
-                return `Note: The user opened the file "${editorSelection.filePath}".`
+                text = `Note: The user opened the file "${editorSelection.filePath}".`
+              } else if (start.line === end.line) {
+                text = `Note: The user selected line ${start.line + 1} from "${editorSelection.filePath}". \`\`\`${editorSelection.text}\`\`\`\n\n`
+              } else {
+                text = `Note: The user selected lines ${start.line + 1} to ${end.line + 1} from "${editorSelection.filePath}". \`\`\`${editorSelection.text}\`\`\`\n\n`
               }
-              if (start.line === end.line) {
-                return `Note: The user selected line ${start.line} from  "${editorSelection.filePath}": ${editorSelection.text}`
-              }
-              return `Note: The user selected lines ${start.line} to ${end.line} from "${editorSelection.filePath}": ${editorSelection.text}`
+
+              return `<system-reminder>${text} This may or may not be relevant to the current task.</system-reminder>\n`
             })(),
             synthetic: true,
             metadata: {
@@ -835,6 +840,7 @@ export function Prompt(props: PromptProps) {
           ],
         })
         .catch(() => {})
+      editor.clearSelection()
     }
     history.append({
       ...store.prompt,
diff --git a/packages/opencode/src/cli/cmd/tui/context/editor.ts b/packages/opencode/src/cli/cmd/tui/context/editor.ts
index 7f2c46d086..aff5f4a6ba 100644
--- a/packages/opencode/src/cli/cmd/tui/context/editor.ts
+++ b/packages/opencode/src/cli/cmd/tui/context/editor.ts
@@ -108,9 +108,11 @@ export const { use: useEditorContext, provider: EditorContextProvider } = create
         send({ id: requestID, method, params })
       }
 
-      const scheduleReconnect = (delay: number) => {
+      const scheduleReconnect = () => {
         if (closed) return
         if (reconnect) clearTimeout(reconnect)
+        attempt += 1
+        const delay = Math.min(1000 * 2 ** (attempt - 1), 10_000)
         reconnect = setTimeout(connect, delay)
       }
 
@@ -122,7 +124,7 @@ export const { use: useEditorContext, provider: EditorContextProvider } = create
           const dbPath = resolveZedDbPath()
           if (!dbPath) {
             setStore("status", "disabled")
-            scheduleReconnect(1000)
+            scheduleReconnect()
             return
           }
           zedSelection ??= resolveZedSelection(dbPath)
@@ -143,7 +145,7 @@ export const { use: useEditorContext, provider: EditorContextProvider } = create
             .finally(() => {
               zedSelection = undefined
             })
-          scheduleReconnect(1000)
+          scheduleReconnect()
           return
         }
 
@@ -207,13 +209,11 @@ export const { use: useEditorContext, provider: EditorContextProvider } = create
           if (closed) return
 
           setStore("status", "connecting")
-          attempt += 1
-          const delay = Math.min(1000 * 2 ** (attempt - 1), 30000)
-          scheduleReconnect(delay)
+          scheduleReconnect()
         })
       }
 
-      scheduleReconnect(0)
+      connect()
 
       onCleanup(() => {
         closed = true
@@ -232,6 +232,9 @@ export const { use: useEditorContext, provider: EditorContextProvider } = create
       selection() {
         return store.selection
       },
+      clearSelection() {
+        setStore("selection", undefined)
+      },
       onMention(listener: (mention: EditorMention) => void) {
         mentionListeners.add(listener)
         return () => mentionListeners.delete(listener)