diff --git a/ccw/src/templates/dashboard-js/views/codexlens-manager.js b/ccw/src/templates/dashboard-js/views/codexlens-manager.js
index 07f46b45..816cea39 100644
--- a/ccw/src/templates/dashboard-js/views/codexlens-manager.js
+++ b/ccw/src/templates/dashboard-js/views/codexlens-manager.js
@@ -6381,12 +6381,12 @@ async function showWatcherControlModal() {
 
     // Get first indexed project path as default
     let defaultPath = '';
-    if (indexes.success && indexes.projects && indexes.projects.length > 0) {
-      // Sort by last_indexed desc and pick the most recent
-      const sorted = indexes.projects.sort((a, b) =>
-        new Date(b.last_indexed || 0) - new Date(a.last_indexed || 0)
+    if (indexes.success && indexes.indexes && indexes.indexes.length > 0) {
+      // Sort by lastModified desc and pick the most recent
+      const sorted = indexes.indexes.sort((a, b) =>
+        new Date(b.lastModified || 0) - new Date(a.lastModified || 0)
       );
-      defaultPath = sorted[0].source_root || '';
+      defaultPath = sorted[0].path || '';
     }
 
     const modalHtml = buildWatcherControlContent(status, defaultPath);
diff --git a/ccw/src/templates/dashboard-js/views/skills-manager.js b/ccw/src/templates/dashboard-js/views/skills-manager.js
index bc84f50b..a8abcbc2 100644
--- a/ccw/src/templates/dashboard-js/views/skills-manager.js
+++ b/ccw/src/templates/dashboard-js/views/skills-manager.js
@@ -956,15 +956,13 @@ function renderSkillFileModal() {
         </div>
 
         <!-- Content -->
-        <div class="flex-1 overflow-hidden p-4">
+        <div class="flex-1 min-h-0 overflow-auto p-4">
           ${isEditing ? `
             <textarea id="skillFileContent"
                       class="w-full h-full min-h-[400px] px-4 py-3 bg-background border border-border rounded-lg text-sm font-mono focus:outline-none focus:ring-2 focus:ring-primary resize-none"
                       spellcheck="false">${escapeHtml(content)}</textarea>
           ` : `
-            <div class="w-full h-full min-h-[400px] overflow-auto">
-              <pre class="px-4 py-3 bg-muted/30 rounded-lg text-sm font-mono whitespace-pre-wrap break-words">${escapeHtml(content)}</pre>
-            </div>
+            <pre class="px-4 py-3 bg-muted/30 rounded-lg text-sm font-mono whitespace-pre-wrap break-words">${escapeHtml(content)}</pre>
           `}
         </div>
 
diff --git a/codex-lens/src/codexlens/cli/commands.py b/codex-lens/src/codexlens/cli/commands.py
index e845b902..ebf81101 100644
--- a/codex-lens/src/codexlens/cli/commands.py
+++ b/codex-lens/src/codexlens/cli/commands.py
@@ -3645,6 +3645,84 @@ def index_status(
         console.print(f"  SPLADE encoder: {'[green]Yes[/green]' if splade_available else f'[red]No[/red] ({splade_err})'}")
 
 
+# ==================== Index Update Command ====================
+
+@index_app.command("update")
+def index_update(
+    file_path: Path = typer.Argument(..., exists=True, file_okay=True, dir_okay=False, help="Path to the file to update in the index."),
+    json_mode: bool = typer.Option(False, "--json", help="Output JSON response."),
+    verbose: bool = typer.Option(False, "--verbose", "-v", help="Enable debug logging."),
+) -> None:
+    """Update the index for a single file incrementally.
+
+    This is a lightweight command designed for use in hooks (e.g., Claude Code PostToolUse).
+    It updates only the specified file without scanning the entire directory.
+
+    The file's parent directory must already be indexed via 'codexlens index init'.
+
+    Examples:
+        codexlens index update src/main.py           # Update single file
+        codexlens index update ./foo.ts --json       # JSON output for hooks
+    """
+    _configure_logging(verbose, json_mode)
+
+    from codexlens.watcher.incremental_indexer import IncrementalIndexer
+
+    registry: RegistryStore | None = None
+    indexer: IncrementalIndexer | None = None
+
+    try:
+        registry = RegistryStore()
+        registry.initialize()
+        mapper = PathMapper()
+        config = Config()
+
+        resolved_path = file_path.resolve()
+
+        # Check if project is indexed
+        source_root = mapper.get_project_root(resolved_path)
+        if not source_root or not registry.get_project(source_root):
+            error_msg = f"Project containing file is not indexed: {file_path}"
+            if json_mode:
+                print_json(success=False, error=error_msg)
+            else:
+                console.print(f"[red]Error:[/red] {error_msg}")
+                console.print("[dim]Run 'codexlens index init' on the project root first.[/dim]")
+            raise typer.Exit(code=1)
+
+        indexer = IncrementalIndexer(registry, mapper, config)
+        result = indexer._index_file(resolved_path)
+
+        if result.success:
+            if json_mode:
+                print_json(success=True, result={
+                    "path": str(result.path),
+                    "symbols_count": result.symbols_count,
+                    "status": "updated",
+                })
+            else:
+                console.print(f"[green]✓[/green] Updated index for [bold]{result.path.name}[/bold] ({result.symbols_count} symbols)")
+        else:
+            error_msg = result.error or f"Failed to update index for {file_path}"
+            if json_mode:
+                print_json(success=False, error=error_msg)
+            else:
+                console.print(f"[red]Error:[/red] {error_msg}")
+            raise typer.Exit(code=1)
+
+    except CodexLensError as exc:
+        if json_mode:
+            print_json(success=False, error=str(exc))
+        else:
+            console.print(f"[red]Update failed:[/red] {exc}")
+        raise typer.Exit(code=1)
+    finally:
+        if indexer:
+            indexer.close()
+        if registry:
+            registry.close()
+
+
 # ==================== Index All Command ====================
 
 @index_app.command("all")