fix: harden workflows, configuration, and desktop UX

.changeset/align-tool-row-icons.md

@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-code": patch
+---
+
+Align tool-call icons and completion indicators with their labels in web conversations.

.changeset/brand-macos-installer.md

@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-desktop": patch
+---
+
+Brand the macOS installer with the Pythinker Code drag-to-Applications layout.

.changeset/harden-dynamic-workflow-recovery.md

@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-code": patch
+---
+
+Fix Dynamic Workflow subagent selection, recovery, and progress reporting during partial failures.

.changeset/stabilize-config-file-reads.md

@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-code": patch
+---
+
+Fix models and providers briefly disappearing when an external editor saves the configuration.

.changeset/use-desktop-login-shell-path.md

@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-code": patch
+---
+
+Use the login shell's executable order for tools started by the desktop app.

apps/desktop/package.json

@@ -70,6 +70,7 @@
       ]
     },
     "dmg": {
+      "background": "build/background.png",
       "sign": true,
       "title": "Pythinker ${version}",
       "window": {
@@ -80,14 +81,28 @@
       "contents": [
         {
           "x": 180,
-          "y": 200,
+          "y": 250,
           "type": "file"
         },
         {
           "x": 480,
-          "y": 200,
+          "y": 250,
           "type": "link",
           "path": "/Applications"
+        },
+        {
+          "name": ".background.png",
+          "path": "build/background.png",
+          "type": "file",
+          "x": 760,
+          "y": 520
+        },
+        {
+          "name": ".VolumeIcon.icns",
+          "path": "dist/.icon-icns/icon.icns",
+          "type": "file",
+          "x": 760,
+          "y": 520
         }
       ]
     },

apps/desktop/tests/packaging-config.spec.ts

@@ -9,7 +9,9 @@ interface DesktopPackage {
     readonly afterPack: string
     readonly appId: string
     readonly dmg: {
+      readonly background: string
       readonly contents: readonly {
+        readonly name?: string
         readonly path?: string
         readonly type: string
         readonly x: number
@@ -135,11 +137,39 @@ describe('desktop packaging configuration', () => {
       window: { height: 400, width: 660 },
     })
     expect(desktopPackage.build.dmg.contents).toEqual([
-      { x: 180, y: 200, type: 'file' },
-      { x: 480, y: 200, type: 'link', path: '/Applications' },
+      { x: 180, y: 250, type: 'file' },
+      { x: 480, y: 250, type: 'link', path: '/Applications' },
+      {
+        name: '.background.png',
+        path: 'build/background.png',
+        type: 'file',
+        x: 760,
+        y: 520,
+      },
+      {
+        name: '.VolumeIcon.icns',
+        path: 'dist/.icon-icns/icon.icns',
+        type: 'file',
+        x: 760,
+        y: 520,
+      },
     ])
   })
 
+  it('uses the branded 660x400 macOS DMG background', () => {
+    const backgroundPath = resolve(desktopRoot, 'build/background.png')
+
+    expect(desktopPackage.build.dmg.background).toBe('build/background.png')
+    expect(existsSync(backgroundPath)).toBe(true)
+
+    const background = readFileSync(backgroundPath)
+    expect(createHash('sha256').update(background).digest('hex'))
+      .toBe('95e8b785add86919d269b198844d8a903280190f8fd33d5f8ffdca404c113fa8')
+    expect(background.subarray(0, 8).toString('hex')).toBe('89504e470d0a1a0a')
+    expect(background.readUInt32BE(16)).toBe(660)
+    expect(background.readUInt32BE(20)).toBe(400)
+  })
+
   it('configures the Windows x64 NSIS installer', () => {
     expect(desktopPackage.build.win.target).toEqual([{ target: 'nsis', arch: ['x64'] }])
     expect(desktopPackage.build.nsis).toEqual({

apps/pythinker-code/dist-web/.web-bundle-manifest.json

@@ -1,4 +1,4 @@
 {
-  "sourceHash": "0cff6a0f19b48a2c0372aee63de7a176f5d499a92f2e6d297c5e456376f63283",
+  "sourceHash": "5e490fdbfda9e6666965a6c99496a2fc8f5e34ed8df8ab61ec9342ea5f19932c",
   "sourceFileCount": 411
 }