fix: UI polish — settings, chat, overscroll, session badges

apps/tauri/src-tauri/src/lib.rs

@@ -759,6 +759,7 @@ pub fn run() {
             acp::commands::acp_send_prompt,
             acp::commands::acp_set_mode,
             acp::commands::acp_cancel,
+            sessions::count_workspace_sessions,
             sessions::session_list,
             sessions::session_create,
             sessions::session_get,

apps/tauri/src-tauri/src/sessions.rs

@@ -174,11 +174,47 @@ pub fn delete_session(conn: &Connection, id: &str) -> Result<(), String> {
     Ok(())
 }
 
+pub fn count_sessions_batch(conn: &Connection, workspace_paths: &[String]) -> Result<Vec<(String, i64)>, String> {
+    if workspace_paths.is_empty() {
+        return Ok(Vec::new());
+    }
+
+    const MAX_VARS: usize = 999;
+    let mut results: Vec<(String, i64)> = Vec::new();
+
+    for chunk in workspace_paths.chunks(MAX_VARS) {
+        let placeholders: Vec<String> = (1..=chunk.len()).map(|i| format!("?{}", i)).collect();
+        let sql = format!(
+            "SELECT workspace_path, COUNT(*) FROM sessions WHERE workspace_path IN ({}) GROUP BY workspace_path HAVING COUNT(*) > 0",
+            placeholders.join(", ")
+        );
+        let mut stmt = conn.prepare(&sql).map_err(|e| format!("Prepare error: {}", e))?;
+        let params: Vec<&dyn rusqlite::ToSql> = chunk.iter().map(|p| p as &dyn rusqlite::ToSql).collect();
+        let rows = stmt
+            .query_map(params.as_slice(), |row| Ok((row.get::<_, String>(0)?, row.get::<_, i64>(1)?)))
+            .map_err(|e| format!("Query error: {}", e))?
+            .collect::<Result<Vec<_>, _>>()
+            .map_err(|e| format!("Row error: {}", e))?;
+        results.extend(rows);
+    }
+
+    Ok(results)
+}
+
 // --- Tauri commands ---
 
 use crate::comments::CommentsDb;
 use tauri::Manager;
 
+#[tauri::command]
+pub fn count_workspace_sessions(
+    workspace_paths: Vec<String>,
+    db: tauri::State<CommentsDb>,
+) -> Result<Vec<(String, i64)>, String> {
+    let conn = db.0.lock().map_err(|e| e.to_string())?;
+    count_sessions_batch(&conn, &workspace_paths)
+}
+
 #[tauri::command]
 pub fn session_list(
     workspace_path: String,

apps/tauri/src-tauri/tauri.conf.json

@@ -39,7 +39,7 @@
       },
       {
         "label": "settings",
-        "title": "Settings",
+        "title": "",
         "url": "settings.html",
         "width": 600,
         "height": 520,

apps/tauri/src/SettingsApp.tsx

@@ -20,8 +20,6 @@ export function SettingsApp() {
     const currentWindow = getCurrentWindow();
     if (currentWindow.label !== "settings") return;
 
-    currentWindow.setTitle(t("settings.title")).catch(console.error);
-
     const handleClose = currentWindow.onCloseRequested(async (event) => {
       event.preventDefault();
       await currentWindow.hide();
@@ -48,7 +46,7 @@ export function SettingsApp() {
           <div className="p-6 flex-1 overflow-y-auto">
             <h1 className="text-lg font-semibold mb-4">{t("settings.title")}</h1>
             <Tabs value={activeTab} onValueChange={setActiveTab}>
-              <TabsList className="mb-4">
+              <TabsList className="mb-4 w-full">
                 <TabsTrigger value="whisper" className="gap-1.5">
                   <Mic className="h-3.5 w-3.5" />
                   {t("settings.whisper")}

apps/tauri/src/components/HomeScreen.tsx

@@ -2,7 +2,7 @@ import logoSvg from "@/assets/logo.svg";
 import { Button } from "@/components/ui/button";
 import { useApp } from "@/contexts/AppContext";
 import { FileText, FolderOpen } from "lucide-react";
-import { useCallback, useEffect, useState } from "react";
+import { useCallback, useEffect, useMemo, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { WorkspaceCard } from "./WorkspaceCard";
 
@@ -12,18 +12,21 @@ export function HomeScreen () {
   const { t } = useTranslation();
   const { workspaces, openFile, openDirectory, expandWorkspace, closeWorkspace } = useApp();
   const [commentCounts, setCommentCounts] = useState<Record<string, number>>({});
+  const [sessionCounts, setSessionCounts] = useState<Record<string, number>>({});
 
   const byRecent = (a: { lastAccessed: Date }, b: { lastAccessed: Date }) =>
     new Date(b.lastAccessed).getTime() - new Date(a.lastAccessed).getTime();
 
   const fileWorkspaces = workspaces.filter((w) => w.type === "file").sort(byRecent);
   const dirWorkspaces = workspaces.filter((w) => w.type === "directory").sort(byRecent);
 
+  const filePaths = useMemo(() => fileWorkspaces.map((w) => w.path), [fileWorkspaces]);
+  const dirPaths = useMemo(() => dirWorkspaces.map((w) => w.path), [dirWorkspaces]);
+
   const fetchCommentCounts = useCallback(async () => {
-    if (fileWorkspaces.length === 0) return;
-    const paths = fileWorkspaces.map((w) => w.path);
+    if (filePaths.length === 0) return;
     try {
-      const results = await invoke<[string, number][]>("count_unresolved_comments", { filePaths: paths });
+      const results = await invoke<[string, number][]>("count_unresolved_comments", { filePaths });
       const counts: Record<string, number> = {};
       for (const [path, count] of results) {
         counts[path] = count;
@@ -32,12 +35,30 @@ export function HomeScreen () {
     } catch {
       // silently ignore
     }
-  }, [fileWorkspaces.map((w) => w.path).join(",")]);
+  }, [filePaths]);
+
+  const fetchSessionCounts = useCallback(async () => {
+    if (dirPaths.length === 0) return;
+    try {
+      const results = await invoke<[string, number][]>("count_workspace_sessions", { workspacePaths: dirPaths });
+      const counts: Record<string, number> = {};
+      for (const [path, count] of results) {
+        counts[path] = count;
+      }
+      setSessionCounts(counts);
+    } catch {
+      // silently ignore
+    }
+  }, [dirPaths]);
 
   useEffect(() => {
     fetchCommentCounts();
   }, [fetchCommentCounts]);
 
+  useEffect(() => {
+    fetchSessionCounts();
+  }, [fetchSessionCounts]);
+
   const handleOpenFile = () => openFile();
   const handleOpenDirectory = () => openDirectory();
 
@@ -142,6 +163,7 @@ export function HomeScreen () {
                     <WorkspaceCard
                       key={workspace.id}
                       workspace={workspace}
+                      sessionCount={sessionCounts[workspace.path]}
                       onExpand={expandWorkspace}
                       onClose={closeWorkspace}
                     />

apps/tauri/src/components/MarkdownViewer.tsx

@@ -70,6 +70,7 @@ export function MarkdownViewer({
   const [reviewCollapsed, setReviewCollapsed] = useState(true);
 
   const review = useComments();
+  const prevPhaseRef = useRef<PlanPhase | undefined>(phase);
 
   const loadContent = useCallback(async (path: string) => {
     try {
@@ -189,21 +190,25 @@ export function MarkdownViewer({
   }, [resolvedPath, embedded]);
 
   useEffect(() => {
-    if (embedded && phase === "reviewing" && reviewRef.current?.isCollapsed()) {
+    const enteringReview = prevPhaseRef.current !== "reviewing" && phase === "reviewing";
+    if (embedded && enteringReview && reviewRef.current?.isCollapsed()) {
       reviewRef.current.expand();
     }
     if (!embedded && review.isPanelOpen && reviewRef.current?.isCollapsed()) {
       reviewRef.current.expand();
     }
+    prevPhaseRef.current = phase;
   }, [phase, review.isPanelOpen, embedded]);
 
   const handleApprove = useCallback(() => {
     if (!onApprovePlan) return;
     const reviewText = review.generateReview();
     const hasComments = review.comments.some((c) => !c.resolved);
     review.resolveAll();
+    reviewRef.current?.collapse();
+    review.setIsPanelOpen(false);
     onApprovePlan(hasComments ? reviewText : undefined);
-  }, [review.generateReview, review.comments, review.resolveAll, onApprovePlan]);
+  }, [review.generateReview, review.comments, review.resolveAll, review.setIsPanelOpen, onApprovePlan]);
 
   // --- Embedded mode (session plan) ---
   if (embedded) {

apps/tauri/src/components/TerminalInput.tsx

@@ -55,15 +55,15 @@ export function TerminalInput({
             onClick={onCancel}
             size="sm"
             variant="destructive"
-            className="text-xs gap-1.5"
+            className="text-xs gap-1.5 min-w-[100px]"
           >
             <Square className="h-3 w-3" />
             {t("acp.cancel")}
           </Button>
         ) : (
           <Button
             size="sm"
-            className="text-xs gap-1.5 font-mono"
+            className="text-xs gap-1.5 font-mono min-w-[100px]"
             onClick={handleSend}
             disabled={!input.trim() || disabled}
           >

apps/tauri/src/components/TerminalMessage.tsx

@@ -26,7 +26,7 @@ export function TerminalMessage({ message, isLast, isStreaming }: TerminalMessag
   if (message.type === "tool") {
     return (
       <div className="terminal-msg">
-        <span className="mt-[5px] flex-shrink-0">
+        <span className="dot-wrapper text-sm flex-shrink-0">
           <span className="dot dot-tool" />
         </span>
         <details className="font-mono text-sm text-muted-foreground">
@@ -49,7 +49,7 @@ export function TerminalMessage({ message, isLast, isStreaming }: TerminalMessag
   if (message.type === "thinking") {
     return (
       <div className="terminal-msg">
-        <span className="mt-[5px] flex-shrink-0">
+        <span className="dot-wrapper text-sm flex-shrink-0">
           <span className="dot dot-thinking" />
         </span>
         <div className="terminal-markdown font-mono text-sm text-muted-foreground/70 italic break-words min-w-0">
@@ -79,7 +79,7 @@ function AgentMessage({ message, isLast, isStreaming }: TerminalMessageProps) {
 
   return (
     <div className="terminal-msg">
-      <span className="mt-[5px] flex-shrink-0">
+      <span className="dot-wrapper text-sm flex-shrink-0">
         <span className="dot dot-agent" />
       </span>
       <div className="terminal-markdown font-mono text-sm text-foreground break-words min-w-0">

apps/tauri/src/components/WorkspaceCard.tsx

@@ -1,4 +1,4 @@
-import { MessageSquare, X } from 'lucide-react';
+import { MessageSquare, MessagesSquare, X } from 'lucide-react';
 import { Card } from '@/components/ui/card';
 import { Button } from '@/components/ui/button';
 import {
@@ -21,11 +21,12 @@ import { shortenPath } from '@/lib/format-path';
 interface WorkspaceCardProps {
   workspace: Workspace;
   unresolvedComments?: number;
+  sessionCount?: number;
   onExpand: (id: string, rect?: CardRect) => void;
   onClose: (id: string) => void;
 }
 
-export function WorkspaceCard({ workspace, unresolvedComments, onExpand, onClose }: WorkspaceCardProps) {
+export function WorkspaceCard({ workspace, unresolvedComments, sessionCount, onExpand, onClose }: WorkspaceCardProps) {
   const { t, i18n } = useTranslation();
 
   const prefix = workspace.type === 'directory' ? 'workspace' : 'document';
@@ -89,6 +90,13 @@ export function WorkspaceCard({ workspace, unresolvedComments, onExpand, onClose
         </span>
       )}
 
+      {sessionCount != null && sessionCount > 0 && (
+        <span className="absolute top-1.5 right-1.5 inline-flex items-center gap-0.5 text-muted-foreground group-hover:opacity-0 transition-opacity">
+          <MessagesSquare className="h-3 w-3" />
+          <span className="font-semibold text-[10px]">{sessionCount}</span>
+        </span>
+      )}
+
       <h3 className="font-semibold text-sm truncate pr-6">{workspace.displayName}</h3>
       <p className="text-xs text-muted-foreground truncate mt-1" dir="rtl" title={workspace.path}>
         <bdi>{shortenPath(workspace.path)}</bdi>

apps/tauri/src/components/settings/WhisperSettings.tsx

@@ -12,7 +12,7 @@ import {
 } from "@/components/ui/select";
 import { useTranslation } from "react-i18next";
 import { toast } from "sonner";
-import { Check, Download, Keyboard, Loader2, Mic, Shield, Trash2 } from "lucide-react";
+import { Check, Download, Keyboard, Loader2, Mic, Trash2 } from "lucide-react";
 
 const { invoke } = window.__TAURI__.core;
 const { listen } = window.__TAURI__.event;
@@ -268,33 +268,31 @@ export function WhisperSettings() {
       {/* Microphone */}
       <div className="space-y-2">
         <Label className="text-sm font-medium">{t("whisper.audioDevice")}</Label>
-        <div className="flex items-center gap-2">
-          <Select
-            value={settings.selected_device ?? "__default__"}
-            onValueChange={handleDeviceChange}
-          >
-            <SelectTrigger className="flex-1">
-              <SelectValue />
-            </SelectTrigger>
-            <SelectContent>
-              <SelectItem value="__default__">{t("whisper.defaultDevice")}</SelectItem>
-              {devices.map((d) => (
-                <SelectItem key={d.name} value={d.name}>
-                  {d.name} {d.is_default ? `(${t("whisper.defaultDevice")})` : ""}
-                </SelectItem>
-              ))}
-            </SelectContent>
-          </Select>
-          <Button
-            variant="outline"
-            size="icon"
-            className="h-9 w-9 shrink-0"
-            onClick={handleCheckPermissions}
-            title={t("whisper.checkPermissions")}
-          >
-            <Shield className="h-4 w-4" />
-          </Button>
-        </div>
+        <Select
+          value={settings.selected_device ?? "__default__"}
+          onValueChange={handleDeviceChange}
+        >
+          <SelectTrigger>
+            <SelectValue />
+          </SelectTrigger>
+          <SelectContent>
+            <SelectItem value="__default__">{t("whisper.defaultDevice")}</SelectItem>
+            {devices.map((d) => (
+              <SelectItem key={d.name} value={d.name}>
+                {d.name} {d.is_default ? `(${t("whisper.defaultDevice")})` : ""}
+              </SelectItem>
+            ))}
+          </SelectContent>
+        </Select>
+        <Button
+          variant="outline"
+          size="sm"
+          className="text-xs"
+          onClick={handleCheckPermissions}
+        >
+          <Mic className="h-3.5 w-3.5 mr-1.5" />
+          {t("whisper.checkPermissions")}
+        </Button>
       </div>
 
       {/* Long Recording Alert */}
@@ -401,18 +399,6 @@ export function WhisperSettings() {
         </div>
       </div>
 
-      {/* Check Permissions */}
-      <div>
-        <Button
-          variant="outline"
-          size="sm"
-          className="text-xs"
-          onClick={handleCheckPermissions}
-        >
-          <Mic className="h-3.5 w-3.5 mr-1.5" />
-          {t("whisper.checkPermissions")}
-        </Button>
-      </div>
     </div>
   );
 }

apps/tauri/src/components/ui/tabs.tsx

@@ -27,7 +27,7 @@ const TabsTrigger = React.forwardRef<
   <TabsPrimitive.Trigger
     ref={ref}
     className={cn(
-      "inline-flex items-center justify-center whitespace-nowrap rounded-sm px-3 py-1.5 text-sm font-medium ring-offset-background transition-all data-[state=active]:bg-background data-[state=active]:text-foreground data-[state=active]:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+      "inline-flex flex-1 items-center justify-center whitespace-nowrap rounded-sm px-3 py-1.5 text-sm font-medium ring-offset-background transition-all data-[state=active]:bg-background data-[state=active]:text-foreground data-[state=active]:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
       className,
     )}
     {...props}