test chat edit

src/web/lib/auth.ts

@@ -254,8 +254,8 @@ export async function updatePost(
 
   try {
     // Fetch existing record to preserve translations
-    let existingTranslations = undefined
-    let existingCreatedAt = new Date().toISOString()
+    let existingTranslations: unknown = undefined
+    let existingCreatedAt: unknown = new Date().toISOString()
     try {
       const existing = await agent.com.atproto.repo.getRecord({
         repo: agent.assertDid,
@@ -266,7 +266,7 @@ export async function updatePost(
         const value = existing.data.value as Record<string, unknown>
         existingTranslations = value.translations
         if (value.createdAt) {
-          existingCreatedAt = value.createdAt as string
+          existingCreatedAt = value.createdAt
         }
       }
     } catch {
@@ -298,6 +298,51 @@ export async function updatePost(
   }
 }
 
+// Update chat message
+export async function updateChat(
+  collection: string,
+  rkey: string,
+  content: string
+): Promise<{ uri: string; cid: string } | null> {
+  if (!agent) return null
+
+  try {
+    // Fetch existing record to preserve translations and other fields
+    let existingRecord: Record<string, unknown> = {}
+    try {
+      const existing = await agent.com.atproto.repo.getRecord({
+        repo: agent.assertDid,
+        collection,
+        rkey,
+      })
+      if (existing.data.value) {
+        existingRecord = existing.data.value as Record<string, unknown>
+      }
+    } catch {
+      // Record doesn't exist
+      throw new Error('Record not found')
+    }
+
+    const record: Record<string, unknown> = {
+      ...existingRecord,
+      $type: collection,
+      content,
+    }
+
+    const result = await agent.com.atproto.repo.putRecord({
+      repo: agent.assertDid,
+      collection,
+      rkey,
+      record,
+    })
+
+    return { uri: result.data.uri, cid: result.data.cid }
+  } catch (err) {
+    console.error('Update chat error:', err)
+    throw err
+  }
+}
+
 // Save migrated card data to ai.syui.card.old
 export async function saveMigratedCardData(
   user: {

src/web/lib/router.ts

@@ -1,5 +1,5 @@
 export interface Route {
-  type: 'home' | 'user' | 'post' | 'postpage' | 'atbrowser' | 'service' | 'collection' | 'record' | 'chat' | 'chat-thread' | 'card' | 'card-old' | 'rse'
+  type: 'home' | 'user' | 'post' | 'postpage' | 'atbrowser' | 'service' | 'collection' | 'record' | 'chat' | 'chat-thread' | 'chat-edit' | 'card' | 'card-old' | 'rse'
   handle?: string
   rkey?: string
   service?: string
@@ -69,6 +69,12 @@ export function parseRoute(): Route {
     return { type: 'rse', handle: rseMatch[1] }
   }
 
+  // Chat edit: /@handle/at/chat/{rkey}/edit
+  const chatEditMatch = path.match(/^\/@([^/]+)\/at\/chat\/([^/]+)\/edit$/)
+  if (chatEditMatch) {
+    return { type: 'chat-edit', handle: chatEditMatch[1], rkey: chatEditMatch[2] }
+  }
+
   // Chat thread: /@handle/at/chat/{rkey}
   const chatThreadMatch = path.match(/^\/@([^/]+)\/at\/chat\/([^/]+)$/)
   if (chatThreadMatch) {
@@ -117,6 +123,8 @@ export function navigate(route: Route): void {
     path = `/@${route.handle}/at/chat`
   } else if (route.type === 'chat-thread' && route.handle && route.rkey) {
     path = `/@${route.handle}/at/chat/${route.rkey}`
+  } else if (route.type === 'chat-edit' && route.handle && route.rkey) {
+    path = `/@${route.handle}/at/chat/${route.rkey}/edit`
   }
 
   window.history.pushState({}, '', path)