fix: 设置页默认工作区取最近修改且仍配置了目的地的工作区

client.js

@@ -431,22 +431,32 @@ window.__ModuleLoader__.load({
           )
         : null
 
+      const workspacePaths = workspaces.map((item) => item.path).filter(Boolean)
+      const workspaceOptions =
+        workspace && !workspacePaths.includes(workspace) ? [workspace, ...workspacePaths] : workspacePaths
+      const workspaceTitles = Object.fromEntries(workspaces.map((item) => [item.path, item.title]))
       const workspaceRow = h(
         'div',
         { style: { display: 'grid', gridTemplateColumns: '2fr 1fr', gap: 12, marginTop: 16 } },
         h(
           Field,
           { label: DICTS.zh.workspace, hint: DICTS.zh.workspaceHint },
-          h('input', {
-            style: inputStyle,
-            value: workspace,
-            list: 'abap-adt-workspaces',
-            onChange: (event) => setWorkspace(event.target.value),
-            onBlur: () => {
-              if (workspace && workspace !== file?.path?.replace(/[\\/]\.dsh-abap-adt[\\/].*$/, '')) load(workspace)
+          h(
+            'select',
+            {
+              style: inputStyle,
+              value: workspace,
+              onChange: (event) => {
+                const next = event.target.value
+                setWorkspace(next)
+                if (next) load(next)
+              },
             },
-            placeholder: 'D:\\AIagent\\SAP',
-          }),
+            workspaceOptions.map((path) => {
+              const title = workspaceTitles[path]
+              return h('option', { key: path, value: path }, title && title !== path ? title + ' — ' + path : path)
+            }),
+          ),
         ),
         h(
           Field,
@@ -457,11 +467,6 @@ window.__ModuleLoader__.load({
             file?.path ? `${file.path}${file.exists ? '' : DICTS.zh.notExists}` : DICTS.zh.never,
           ),
         ),
-        h(
-          'datalist',
-          { id: 'abap-adt-workspaces' },
-          workspaces.map((item) => h('option', { key: item.id || item.path, value: item.path }, item.title)),
-        ),
       )
 
       const destinationCards = destinations.length

index.js

@@ -16,7 +16,7 @@
  * the DSH credential service (falling back to the process environment).
  */
 
-import { existsSync, readdirSync } from 'node:fs'
+import { existsSync, readdirSync, statSync } from 'node:fs'
 import { mkdir, readFile, writeFile } from 'node:fs/promises'
 import { request as httpRequest } from 'node:http'
 import { request as httpsRequest } from 'node:https'
@@ -508,8 +508,52 @@ export function apply(ctx, config) {
     }
   }
 
+  /**
+   * The workspace whose destinations file was written most recently. An empty
+   * destinations list (a scratch config, or one where every system was removed)
+   * loses to any workspace that still lists systems, so the settings page never
+   * opens on an empty page while a usable config exists elsewhere.
+   */
+  async function lastModifiedWorkspace() {
+    let best
+    let bestTime = -Infinity
+    let any
+    let anyTime = -Infinity
+    for (const row of listWorkspaces()) {
+      if (!row.path) continue
+      for (const fileName of FILE_NAMES) {
+        const candidate = join(row.path, CONFIG_DIR, fileName)
+        let mtimeMs
+        try {
+          mtimeMs = statSync(candidate).mtimeMs
+        } catch {
+          continue
+        }
+        if (mtimeMs > anyTime) {
+          anyTime = mtimeMs
+          any = row.path
+        }
+        if (mtimeMs <= bestTime) continue
+        try {
+          const parsed = await parseDestinations(await readFile(candidate, 'utf8'))
+          if (!normalizeDestinations(parsed.destinations).length) continue
+        } catch {
+          continue
+        }
+        bestTime = mtimeMs
+        best = row.path
+      }
+    }
+    return best || any
+  }
+
   async function stateOf({ sessionId, workspace }) {
-    const cwd = workspace || resolveCwd(sessionId) || listWorkspaces()[0]?.path || process.cwd()
+    const cwd =
+      workspace ||
+      resolveCwd(sessionId) ||
+      (await lastModifiedWorkspace()) ||
+      listWorkspaces()[0]?.path ||
+      process.cwd()
     const file = existingWorkspaceFile(cwd)
     let raw = ''
     let exists = false