feat: revert broken directive PRs, re-implement Lexical document orchestrator (#98)

* feat: soryu-co/soryu - makima: Revert broken directive PRs and verify clean build

* feat: soryu-co/soryu - makima: Re-implement frontend: Lexical document editor with feature flag and base components

* WIP: heartbeat checkpoint

* feat: soryu-co/soryu - makima: Add contract blocks, expandable log rows, and interaction controls

* WIP: heartbeat checkpoint

* feat: soryu-co/soryu - makima: End-to-end build verification and integration polish

1 files changed, 36 insertions, 22 deletions

diff --git a/frontend/src/stores/index.ts b/frontend/src/stores/index.ts
index e247068..1853f4f 100644
--- a/frontend/src/stores/index.ts
+++ b/frontend/src/stores/index.ts
@@ -1,5 +1,29 @@
 import { atom } from 'nanostores'
 import { ChatMessage, Choice } from '../types'
+import { upsertUserSetting } from '../services/directiveApi'
+
+// Document UI feature flag
+export const documentUiEnabledStore = atom<boolean>(
+  (() => {
+    try {
+      const saved = localStorage.getItem('document_ui_enabled')
+      return saved === 'true'
+    } catch {
+      return false
+    }
+  })()
+)
+
+export const setDocumentUiEnabled = async (enabled: boolean) => {
+  documentUiEnabledStore.set(enabled)
+  localStorage.setItem('document_ui_enabled', enabled.toString())
+  // Persist to backend (best-effort)
+  try {
+    await upsertUserSetting('document_ui_enabled', enabled)
+  } catch (err) {
+    console.error('Failed to persist document UI setting:', err)
+  }
+}
 
 // Authentication state
 export const isLoggedInStore = atom<boolean>(false)
@@ -29,36 +53,21 @@ export const nameStore = atom<string>('???')
 export const backgroundStore = atom<string>('/__gaogao__56242cbde8f18ac64522e410bad04e68_waifu2x_art_noise2.png')
 export const locationStore = atom<string>('Tokyo')
 export const configModalOpenStore = atom<boolean>(false)
-export const skipIntroStore = atom<boolean>(
+
+// Feature flags
+export const documentEditorEnabledStore = atom<boolean>(
   (() => {
-    const saved = localStorage.getItem('skipIntro')
+    const saved = localStorage.getItem('documentEditorEnabled')
     return saved === 'true'
   })()
 )
-
-// Document UI feature flag
-export const documentUiEnabledStore = atom<boolean>(
+export const skipIntroStore = atom<boolean>(
   (() => {
-    try {
-      const saved = localStorage.getItem('document_ui_enabled')
-      return saved === 'true'
-    } catch {
-      return false
-    }
+    const saved = localStorage.getItem('skipIntro')
+    return saved === 'true'
   })()
 )
 
-export const setDocumentUiEnabled = (enabled: boolean) => {
-  documentUiEnabledStore.set(enabled)
-  localStorage.setItem('document_ui_enabled', JSON.stringify(enabled))
-  // Persist to backend (fire-and-forget)
-  fetch('/api/v1/user-settings', {
-    method: 'PUT',
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ key: 'document_ui_enabled', value: enabled }),
-  }).catch((err) => console.error('Failed to persist document_ui_enabled:', err))
-}
-
 // Actions
 export const login = () => {
   isLoggedInStore.set(true)
@@ -109,6 +118,11 @@ export const setSkipIntro = (skip: boolean) => {
   localStorage.setItem('skipIntro', skip.toString())
 }
 
+export const setDocumentEditorEnabled = (enabled: boolean) => {
+  documentEditorEnabledStore.set(enabled)
+  localStorage.setItem('documentEditorEnabled', enabled.toString())
+}
+
 export const setLoadingComplete = (complete: boolean) => {
   loadingCompleteStore.set(complete)
   if (complete) {