feat(desktop): file reference & rich input enhancement文件引用与富文本输入增强

desktop/app.go

@@ -821,6 +821,7 @@ func (a *App) shutdown(context.Context) {
 			_ = repair.RecordHealthyConfig(version)
 		}
 	}
+	killWebView2Processes()
 }
 
 // domReady is called (via OnDomReady) after the webview finishes loading its DOM
@@ -868,6 +869,7 @@ func (a *App) domReady(_ context.Context) {
 
 	runtime.WindowShow(a.ctx)
 	a.startupReady.Store(true)
+	killOrphanWebView2()
 	if a.startupTracker != nil {
 		_ = a.startupTracker.MarkReady()
 		tracker := a.startupTracker

desktop/frontend/src/components/ComposerContextCard.tsx

@@ -84,7 +84,7 @@ export function ComposerContextCard({
           type="button"
           aria-label={removeLabel}
           disabled={removeDisabled}
-          onClick={onRemove}
+          onClick={(e) => { e.stopPropagation(); onRemove(); }}
         >
           <X size={removeIconSize ?? (variant === "attachment" ? 14 : 13)} aria-hidden="true" />
         </button>

desktop/frontend/src/components/Message.tsx

@@ -5,7 +5,7 @@ import { Markdown } from "./Markdown";
 import { CopyButton } from "./CopyButton";
 import { ProcessBrainIcon } from "./ProcessCard";
 import { ComposerContextCard } from "./ComposerContextCard";
-import { formatAttachmentRefForDisplay, formatAttachmentRefForSubmit, parseAttachmentRefsForDisplay, sortDisplayAttachments } from "../lib/attachmentDisplay";
+import { formatAttachmentRefForDisplay, formatAttachmentRefForSubmit, highlightRefsInText, parseAttachmentRefsForDisplay, sortDisplayAttachments } from "../lib/attachmentDisplay";
 import type { DisplayAttachment } from "../lib/attachmentDisplay";
 import { app } from "../lib/bridge";
 import { replaySubmitText } from "../lib/editReplay";
@@ -204,6 +204,7 @@ export function UserMessage({
   const invocationSegments = imSource ? [] : invocationSegmentsFromMessage(displayText, submitText, invocationMetadata);
   const hasInvocationSegments = invocationSegments.some((segment) => segment.type === "invocation");
   const orderedAttachments = sortDisplayAttachments(attachments);
+  const cardAttachments = orderedAttachments;
   const sourceLabel = imSource ? imSourceLabel(imSource, t) : "";
   const sentAt = createdAt === undefined ? null : messageDate(createdAt);
   const canEdit = turn !== undefined && onEdit !== undefined && !editDisabled;
@@ -451,7 +452,7 @@ export function UserMessage({
             {hasInvocationSegments && pasteBlocks.length === 0 ? (
               <div className="msg__text msg__rich-text">
                 {invocationSegments.map((segment, index) => segment.type === "text"
-                  ? <span key={`text:${segment.start}:${index}`}>{segment.content}</span>
+                  ? <span key={`text:${segment.start}:${index}`}>{highlightRefsInText(segment.content).map((s, j) => s.isRef ? <span key={j} className="ref-highlight">{s.text}</span> : s.text)}</span>
                   : (
                     <InvocationBadge
                       key={`invocation:${segment.invocation.name}:${segment.offset}:${index}`}
@@ -463,7 +464,7 @@ export function UserMessage({
               </div>
             ) : displaySegments.map((seg, i) => {
               if (seg.type === "text") {
-                return seg.content ? <div className="msg__text" key={`s${i}`}>{seg.content}</div> : null;
+                return seg.content ? <div className="msg__text" key={`s${i}`}>{highlightRefsInText(seg.content).map((s, j) => s.isRef ? <span key={j} className="ref-highlight">{s.text}</span> : s.text)}</div> : null;
               }
               const expanded = Boolean(expandedPasteLabels[seg.block.label]);
               return (
@@ -490,9 +491,9 @@ export function UserMessage({
           </>
         )}
         {failed && <div className="msg__send-failed">{t("msg.sendFailed")}</div>}
-        {orderedAttachments.length > 0 && (
+        {cardAttachments.length > 0 && (
           <div className="msg-attachments" aria-label={t("msg.attachments")}>
-            {orderedAttachments.map((attachment, index) => {
+            {cardAttachments.map((attachment, index) => {
               const isImage = attachment.kind === "image";
               const el = (
                 <div
@@ -510,9 +511,7 @@ export function UserMessage({
                   <span className="msg-attachment__main">
                     <span className="msg-attachment__name">{attachment.name}</span>
                     <span className="msg-attachment__meta">
-                      {attachment.kind === "folder"
-                        ? t("msg.folderReference")
-                        : `${attachment.ext || t("msg.fileAttachment")} · ${attachment.source === "workspace" ? t("msg.workspaceReference") : attachment.kind === "image" ? t("msg.imageAttachment") : t("msg.fileAttachment")}`}
+                      {attachment.path}
                     </span>
                   </span>
                 </div>

desktop/frontend/src/components/RichComposerInput.tsx

@@ -52,6 +52,39 @@ type RenderedComposerModel = ComposerModel & {
 
 const CARET_SENTINEL = "\u00A0";
 
+const CMD_HIGHLIGHT_RE = /(^|\s)(@(?!\[)[^\s]+|\/[A-Za-z][A-Za-z0-9_.:-]*|#[^\s]+|![^\s]+)/g;
+const TRAILING_PUNCTUATION_RE = /[,.;:，。；：]+$/;
+
+function renderHighlightedText(text: string, keyPrefix: string): React.ReactNode[] {
+  const nodes: React.ReactNode[] = [];
+  let lastIndex = 0;
+  let match: RegExpExecArray | null;
+  CMD_HIGHLIGHT_RE.lastIndex = 0;
+  while ((match = CMD_HIGHLIGHT_RE.exec(text)) !== null) {
+    if (match.index > lastIndex) {
+      nodes.push(text.slice(lastIndex, match.index));
+    }
+    let token = match[2];
+    const punctMatch = TRAILING_PUNCTUATION_RE.exec(token);
+    const trailing = punctMatch ? punctMatch[0] : "";
+    const core = punctMatch ? token.slice(0, -trailing.length) : token;
+    if (match[1]) nodes.push(match[1]);
+    if (core) {
+      nodes.push(
+        <span key={`${keyPrefix}:hl:${match.index}`} className="composer-cmd-highlight">
+          {core}
+        </span>,
+      );
+    }
+    if (trailing) nodes.push(trailing);
+    lastIndex = match.index + match[0].length - trailing.length;
+  }
+  if (lastIndex < text.length) {
+    nodes.push(text.slice(lastIndex));
+  }
+  return nodes;
+}
+
 function sameComposerModel(left: ComposerModel, right: ComposerModel | null): boolean {
   if (!right || left.text !== right.text || left.invocations.length !== right.invocations.length) return false;
   return left.invocations.every((item, index) => {
@@ -358,7 +391,7 @@ export const RichComposerInput = forwardRef<RichComposerInputHandle, {
   let cursor = 0;
   renderedOrdered.forEach((item) => {
     const offset = Math.max(cursor, Math.min(renderedModel.text.length, item.offset));
-    if (offset > cursor) children.push(renderedModel.text.slice(cursor, offset));
+    if (offset > cursor) children.push(...renderHighlightedText(renderedModel.text.slice(cursor, offset), `seg:${item.id}`));
     const invocation = invocationDisplayForCommand(item.command);
     children.push(
       <span
@@ -396,7 +429,7 @@ export const RichComposerInput = forwardRef<RichComposerInputHandle, {
     );
     cursor = offset;
   });
-  if (cursor < renderedModel.text.length) children.push(renderedModel.text.slice(cursor));
+  if (cursor < renderedModel.text.length) children.push(...renderHighlightedText(renderedModel.text.slice(cursor), "tail"));
 
   return (
     <div

desktop/frontend/src/lib/attachmentDisplay.ts

@@ -1,4 +1,4 @@
-import { escapeRefPath, refTokenRe, unescapeRefPath } from "./refToken";
+import { escapeRefPath, refTokenRe } from "./refToken";
 
 const attachmentRefRe = /@(\.reasonix\/attachments\/[^\s]+)/g;
 const namedAttachmentRefRe = /(^|\s)@\[([^\]\r\n]+)\]\(([^)\s]+)\)/g;
@@ -107,18 +107,6 @@ export function parseAttachmentRefsForDisplay(text: string): { text: string; att
       attachments.push(displayAttachment(core, name));
       return lead + suffix;
     })
-    .replace(refTokenRe(), (_full, lead: string, token: string) => {
-      const { core, suffix } = splitTrailingPunctuation(token);
-      const path = unescapeRefPath(core);
-      if (!path || !isDisplayReference(path)) return _full;
-      const name = baseName(path) || "attachment";
-      const attachment = displayAttachment(path, name);
-      attachments.push(attachment);
-      return lead + suffix;
-    })
-    .replace(/[ \t]+([.,;!?)\]}，。；！？）】])/g, "$1")
-    .replace(/[ \t]{2,}/g, " ")
-    .trim();
   return { text: cleaned, attachments };
 }
 
@@ -158,3 +146,22 @@ function displayAttachment(path: string, name: string): DisplayAttachment {
     ext: isDir ? "" : attachmentExt(path).replace(/^\./, "").toUpperCase(),
   };
 }
+
+export function highlightRefsInText(text: string): Array<{ text: string; isRef: boolean }> {
+  const segments: Array<{ text: string; isRef: boolean }> = [];
+  const re = refTokenRe();
+  re.lastIndex = 0;
+  let match: RegExpExecArray | null;
+  let lastIndex = 0;
+  while ((match = re.exec(text)) !== null) {
+    if (match.index > lastIndex) {
+      segments.push({ text: text.slice(lastIndex, match.index), isRef: false });
+    }
+    segments.push({ text: match[0], isRef: true });
+    lastIndex = match.index + match[0].length;
+  }
+  if (lastIndex < text.length) {
+    segments.push({ text: text.slice(lastIndex), isRef: false });
+  }
+  return segments;
+}

desktop/frontend/src/locales/en.ts

@@ -671,6 +671,7 @@ export const en = {
   "imageViewer.title": "Image preview",
   "composer.attachImageFailed": "Image paste failed",
   "composer.attachFileFailed": "File attach failed",
+  "composer.attachDropEmptyFile": "File is empty (0 bytes), cannot attach",
   "composer.attachDropFailed": "Dropped file attach failed",
   "composer.pasteImageFailed": "Could not read clipboard image",
   "composer.imageInputUnsupported": "Current model will not receive images directly. Use an image-capable model or an OCR/vision MCP tool to inspect the attached path.",

desktop/frontend/src/locales/zh-TW.ts

@@ -1919,6 +1919,7 @@ export const zhTW: Record<DictKey, string> = {
   "composer.shellModeOn": "Shell 模式已開：點選移除 !",
   "composer.attachImageFailed": "圖片貼上失敗",
   "composer.attachFileFailed": "檔案附加失敗",
+  "composer.attachDropEmptyFile": "文件為空(0位元組)，無法附加",
   "composer.attachDropFailed": "拖放檔案附加失敗",
   "composer.pasteImageFailed": "未能讀取剪貼簿圖片",
   "status.ctxLabel": "上下文",

desktop/frontend/src/locales/zh.ts

@@ -672,6 +672,7 @@ export const zh: Record<DictKey, string> = {
   "imageViewer.title": "图片预览",
   "composer.attachImageFailed": "图片粘贴失败",
   "composer.attachFileFailed": "文件附加失败",
+  "composer.attachDropEmptyFile": "文件为空(0字节)，无法附加",
   "composer.attachDropFailed": "拖放文件附加失败",
   "composer.pasteImageFailed": "未能读取剪贴板图片",
   "composer.imageInputUnsupported": "当前模型不会直接接收图片。可切换到支持图片的模型，或让 OCR/识图 MCP 工具读取附件路径。",

desktop/frontend/src/styles.css

@@ -6018,6 +6018,20 @@ body > .mermaid-diagram--fullscreen {
   display: block;
   width: 6px;
 }
+
+/* ── command / ref highlighting ─────────────────────────────────── */
+.composer-cmd-highlight {
+  color: var(--accent);
+}
+.ref-highlight {
+  color: var(--accent);
+}
+.ref-highlight--clickable {
+  cursor: pointer;
+}
+.ref-highlight--clickable:hover {
+  text-decoration: underline;
+}
 .composer__input::placeholder {
   color: var(--fg-faint);
 }

desktop/kill_webview2_unix.go

@@ -0,0 +1,8 @@
+//go:build !windows
+
+package main
+
+// WebView2 only exists on Windows. macOS uses WKWebView (in-process),
+// Linux uses WebKitGTK (in-process). No cleanup needed.
+func killWebView2Processes() {}
+func killOrphanWebView2() {}

desktop/kill_webview2_windows.go

@@ -0,0 +1,90 @@
+//go:build windows
+
+package main
+
+import (
+	"log/slog"
+	"os"
+	"strings"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+// killWebView2Processes terminates lingering msedgewebview2.exe child processes
+// that may hold file locks on session data after the main window closes.
+// Called from App.shutdown() — runs once, ~3-10 ms.
+func killWebView2Processes() {
+	myPid := uint32(os.Getpid())
+
+	snap, err := windows.CreateToolhelp32Snapshot(windows.TH32CS_SNAPPROCESS, 0)
+	if err != nil {
+		slog.Warn("desktop: killWebView2Processes: CreateToolhelp32Snapshot failed", "err", err)
+		return
+	}
+	defer windows.CloseHandle(snap)
+
+	var pe windows.ProcessEntry32
+	pe.Size = uint32(unsafe.Sizeof(pe))
+
+	for err := windows.Process32First(snap, &pe); err == nil; err = windows.Process32Next(snap, &pe) {
+		name := windows.UTF16ToString(pe.ExeFile[:])
+		if !strings.EqualFold(name, "msedgewebview2.exe") {
+			continue
+		}
+		if pe.ParentProcessID != myPid {
+			continue
+		}
+
+		handle, err := windows.OpenProcess(windows.PROCESS_TERMINATE, false, pe.ProcessID)
+		if err != nil {
+			slog.Debug("desktop: killWebView2Processes: OpenProcess failed (already exited?)",
+				"pid", pe.ProcessID, "err", err)
+			continue
+		}
+
+		if err := windows.TerminateProcess(handle, 0); err != nil {
+			slog.Warn("desktop: killWebView2Processes: TerminateProcess failed",
+				"pid", pe.ProcessID, "err", err)
+		} else {
+			slog.Debug("desktop: killWebView2Processes: terminated",
+				"pid", pe.ProcessID, "name", name)
+		}
+		windows.CloseHandle(handle)
+	}
+}
+
+// killOrphanWebView2 cleans up WebView2 processes left behind by a previous
+// crash (parent PID no longer exists). Called from App.startup().
+func killOrphanWebView2() {
+	snap, err := windows.CreateToolhelp32Snapshot(windows.TH32CS_SNAPPROCESS, 0)
+	if err != nil {
+		return
+	}
+	defer windows.CloseHandle(snap)
+
+	var pe windows.ProcessEntry32
+	pe.Size = uint32(unsafe.Sizeof(pe))
+
+	for err := windows.Process32First(snap, &pe); err == nil; err = windows.Process32Next(snap, &pe) {
+		name := windows.UTF16ToString(pe.ExeFile[:])
+		if !strings.EqualFold(name, "msedgewebview2.exe") {
+			continue
+		}
+		parent := pe.ParentProcessID
+		if parent == 0 {
+			continue
+		}
+		h, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, parent)
+		if err == nil {
+			windows.CloseHandle(h)
+			continue
+		}
+		h2, err := windows.OpenProcess(windows.PROCESS_TERMINATE, false, pe.ProcessID)
+		if err != nil {
+			continue
+		}
+		windows.TerminateProcess(h2, 0)
+		windows.CloseHandle(h2)
+	}
+}

desktop/open_workspace_windows.go

@@ -2,16 +2,23 @@
 
 package main
 
-import "golang.org/x/sys/windows"
+import (
+	"fmt"
+	"golang.org/x/sys/windows"
+)
 
 func openWorkspacePath(path string) error {
 	verb, err := windows.UTF16PtrFromString("open")
 	if err != nil {
-		return err
+		return fmt.Errorf("open %q: %w", path, err)
 	}
 	file, err := windows.UTF16PtrFromString(path)
 	if err != nil {
-		return err
+		return fmt.Errorf("open %q: %w", path, err)
 	}
-	return windows.ShellExecute(0, verb, file, nil, nil, windows.SW_SHOWNORMAL)
+	err = windows.ShellExecute(0, verb, file, nil, nil, windows.SW_SHOWNORMAL)
+	if err != nil {
+		return fmt.Errorf("open %q: %w", path, err)
+	}
+	return nil
 }