From 0ce0cacb282c47943348a2af21ea00e721bcb9d9 Mon Sep 17 00:00:00 2001
From: Adam <2363879+adamdotdevin@users.noreply.github.com>
Date: Wed, 21 Jan 2026 05:27:52 -0600
Subject: wip(app): line selection

---
 packages/app/src/context/prompt.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'packages/app/src/context')

diff --git a/packages/app/src/context/prompt.tsx b/packages/app/src/context/prompt.tsx
index 993d7e7a8..a76d9d5f1 100644
--- a/packages/app/src/context/prompt.tsx
+++ b/packages/app/src/context/prompt.tsx
@@ -4,6 +4,7 @@ import { batch, createMemo, createRoot, onCleanup } from "solid-js"
 import { useParams } from "@solidjs/router"
 import type { FileSelection } from "@/context/file"
 import { Persist, persisted } from "@/utils/persist"
+import { checksum } from "@opencode-ai/util/encode"
 
 interface PartBase {
   content: string
@@ -41,6 +42,8 @@ export type FileContextItem = {
   type: "file"
   path: string
   selection?: FileSelection
+  comment?: string
+  preview?: string
 }
 
 export type ContextItem = FileContextItem
@@ -135,7 +138,11 @@ function createPromptSession(dir: string, id: string | undefined) {
     if (item.type !== "file") return item.type
     const start = item.selection?.startLine
     const end = item.selection?.endLine
-    return `${item.type}:${item.path}:${start}:${end}`
+    const key = `${item.type}:${item.path}:${start}:${end}`
+    const comment = item.comment?.trim()
+    if (!comment) return key
+    const digest = checksum(comment) ?? comment
+    return `${key}:c=${digest.slice(0, 8)}`
   }
 
   return {
-- 
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