From adb8d3f91404af1dc65442f5add7239a1f27bff7 Mon Sep 17 00:00:00 2001
From: flemming-it <stefan.a.flemming@googlemail.com>
Date: Fri, 17 Jul 2026 01:05:10 +0200
Subject: [PATCH] feat(flows): native file dialog for flow file inputs

Wires the editor's new onPickFile host callback to file_picker
(withData: the editor receives name + bytes, never a raw path).
Pins chain_studio_flow_editor to v0.23.0. No more typing absolute
paths to feed a flow a file.

Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>
---
 lib/pages/flows.dart | 15 +++++++++++++++
 pubspec.lock         |  2 +-
 pubspec.yaml         |  2 +-
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/lib/pages/flows.dart b/lib/pages/flows.dart
index d11bf13..f1bd9c4 100644
--- a/lib/pages/flows.dart
+++ b/lib/pages/flows.dart
@@ -11,6 +11,7 @@
 // need to know what's inside the editor any more.
 
 import 'package:chain_studio_flow_editor/chain_studio_flow_editor.dart';
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 
 import '../data/error_presentation.dart';
@@ -95,6 +96,17 @@ class _FlowsPageState extends State<FlowsPage> {
   /// Hub's install API and returns the refreshed capability
   /// list so the editor can re-analyze without waiting for the
   /// parent widget rebuild.
+  /// Native picker for a flow file input. `withData` loads the
+  /// bytes directly so the editor never touches the path itself
+  /// (sandbox-friendly: the picker grants access to exactly the
+  /// chosen file).
+  Future<PickedFileData?> _pickFlowInputFile() async {
+    final picked = await FilePicker.pickFiles(withData: true);
+    final f = picked?.files.single;
+    if (f == null || f.bytes == null) return null;
+    return PickedFileData(fileName: f.name, bytes: f.bytes!);
+  }
+
   Future<List<String>?> _onInstallCapability(String capability) async {
     // The analyzer hands us the full `use:` value (e.g. `debug.echo@^0`).
     // The hub resolves install sources by bare capability name; the
@@ -167,6 +179,9 @@ class _FlowsPageState extends State<FlowsPage> {
             onInstallCapability: _onInstallCapability,
             onAddModuleSource: _onAddModuleSource,
             activeProject: Workspace.instance.activeSlug,
+            // Native file dialog for the Run tab's file inputs —
+            // nobody should have to type an absolute path by hand.
+            onPickFile: _pickFlowInputFile,
             // The file wins for the run; accepting the switch only
             // aligns the workspace view to the file's project.
             onSwitchToFileProject: (slug) =>
diff --git a/pubspec.lock b/pubspec.lock
index 720d556..d9b5bd8 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -46,7 +46,7 @@ packages:
       path: "../fai_chain_studio_flow_editor"
       relative: true
     source: path
-    version: "0.22.0"
+    version: "0.23.0"
   characters:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index edc2065..a8f2fd2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -45,7 +45,7 @@ dependencies:
       # Tag-pinned so a CI (override-free) build is reproducible and an
       # editor push can't retroactively change what a Studio release
       # builds against. Bump this in lockstep with the editor tag.
-      ref: v0.22.0
+      ref: v0.23.0
 
 dev_dependencies:
   flutter_test: