修复Flomo笔记提交：API Key改为可选，添加content_type参数

flomo-ai/app/src/main/java/com/example/flomo_ai/MainActivity.kt

@@ -508,7 +508,7 @@ class MainActivity : AppCompatActivity() {
             val settings = Gson().fromJson(json, NoteSettingsData::class.java)
             val noteConfig = settings.noteApiConfig
             
-            if (noteConfig == null || noteConfig.apiUrl.isBlank() || noteConfig.apiKey.isBlank()) {
+            if (noteConfig == null || noteConfig.apiUrl.isBlank()) {
                 Toast.makeText(this, "请先配置笔记API", Toast.LENGTH_SHORT).show()
                 return
             }
@@ -541,10 +541,12 @@ class MainActivity : AppCompatActivity() {
         return withContext(Dispatchers.IO) {
             try {
                 val client = OkHttpClient()
-                val requestBody = when (apiType) {
+                val (requestBody, useAuth) = when (apiType) {
                     "Flomo" -> {
-                        val json = JSONObject().put("content", content)
-                        json.toString().toRequestBody("application/json".toMediaType())
+                        val json = JSONObject()
+                            .put("content", content)
+                            .put("content_type", "markdown")
+                        Pair(json.toString().toRequestBody("application/json".toMediaType()), false)
                     }
                     "Notion" -> {
                         val json = JSONObject()
@@ -556,20 +558,24 @@ class MainActivity : AppCompatActivity() {
                                     )
                                 )
                             )
-                        json.toString().toRequestBody("application/json".toMediaType())
+                        Pair(json.toString().toRequestBody("application/json".toMediaType()), true)
                     }
                     else -> {
                         val json = JSONObject().put("content", content)
-                        json.toString().toRequestBody("application/json".toMediaType())
+                        Pair(json.toString().toRequestBody("application/json".toMediaType()), apiKey.isNotBlank())
                     }
                 }
                 
-                val request = Request.Builder()
+                val requestBuilder = Request.Builder()
                     .url(apiUrl)
-                    .addHeader("Authorization", "Bearer $apiKey")
                     .addHeader("Content-Type", "application/json")
                     .post(requestBody)
-                    .build()
+                
+                if (useAuth && apiKey.isNotBlank()) {
+                    requestBuilder.addHeader("Authorization", "Bearer $apiKey")
+                }
+                
+                val request = requestBuilder.build()
                 
                 val response = client.newCall(request).execute()
                 response.isSuccessful

flomo-ai/app/src/main/java/com/example/flomo_ai/SecondActivity.kt

@@ -49,6 +49,7 @@ class SecondActivity : AppCompatActivity() {
     private lateinit var spModelSelector: Spinner
     private lateinit var llModelList: LinearLayout
     private lateinit var btnAddModel: Button
+    private lateinit var btnDeleteModel: Button
     private lateinit var etBaseUrl: EditText
     private lateinit var etApiKey: EditText
     private lateinit var btnToggleApiKey: ImageButton
@@ -160,6 +161,7 @@ class SecondActivity : AppCompatActivity() {
             etModelName = findViewById(R.id.etModelName)
             spModelSelector = findViewById(R.id.spModelSelector)
             btnAddModel = findViewById(R.id.btnAddModel)
+            btnDeleteModel = findViewById(R.id.btnDeleteModel)
             btnTestConnection = findViewById(R.id.btnTestConnection)
             tvTestStatus = findViewById(R.id.tvTestStatus)
             
@@ -382,6 +384,21 @@ class SecondActivity : AppCompatActivity() {
             spModelSelector.setSelection(selectedLlmIndex)
         }
         
+        btnDeleteModel.setOnClickListener {
+            if (llmConfigs.size <= 1) {
+                Toast.makeText(this, "至少保留一个配置", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            llmConfigs.removeAt(selectedLlmIndex)
+            if (selectedLlmIndex >= llmConfigs.size) {
+                selectedLlmIndex = llmConfigs.size - 1
+            }
+            loadSelectedModelToFields()
+            refreshModelSelector()
+            spModelSelector.setSelection(selectedLlmIndex)
+            Toast.makeText(this, "配置已删除", Toast.LENGTH_SHORT).show()
+        }
+        
         // Setup headers
         llHeadersList.removeAllViews()
         if (headerConfigs.isEmpty()) {

flomo-ai/app/src/main/res/drawable/button_danger_bg.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/error"/>
+    <corners android:radius="8dp"/>
+</shape>

flomo-ai/app/src/main/res/layout/activity_second.xml

@@ -182,6 +182,18 @@
                         android:background="@drawable/button_primary_bg"
                         android:minWidth="0dp"
                         android:minHeight="0dp"/>
+
+                    <Button
+                        android:id="@+id/btnDeleteModel"
+                        android:layout_width="wrap_content"
+                        android:layout_height="40dp"
+                        android:layout_marginStart="4dp"
+                        android:text="删除"
+                        android:textSize="14sp"
+                        android:textColor="@color/white"
+                        android:background="@drawable/button_danger_bg"
+                        android:minWidth="0dp"
+                        android:minHeight="0dp"/>
                 </LinearLayout>
 
                 <!-- Base URL -->