added support for custom per-profile image for BML and Fahipay, MIB works pending

app/src/main/java/sh/sar/basedbank/api/mib/MibLoginFlow.kt

@@ -39,7 +39,7 @@ class MibLoginFlow(private val credentialStore: CredentialStore) {
         .connectTimeout(30, TimeUnit.SECONDS)
         .readTimeout(30, TimeUnit.SECONDS)
         .writeTimeout(30, TimeUnit.SECONDS)
-        .addInterceptor { chain ->
+        .addNetworkInterceptor { chain ->
             val req = chain.request().newBuilder()
                 .header("User-Agent", "android/1.0")
                 .header("Accept", "application/json")
@@ -366,6 +366,34 @@ class MibLoginFlow(private val credentialStore: CredentialStore) {
         return resp.optString("profileImage").takeIf { it.isNotBlank() }
     }
 
+    /**
+     * Uploads a profile image via P40.
+     * [imageBase64] is a base64-encoded JPEG string.
+     * Returns the new imageHash on success, or null on failure.
+     */
+    fun uploadProfileImage(session: MibSession, profile: MibProfile, imageBase64: String): String? {
+        val payload = baseData(session, "P40").apply {
+            put("profileId", profile.profileId)
+            put("profileImage", imageBase64)
+        }
+        val resp = doRequest(session, payload, "n")
+        if (!resp.optBoolean("success", false)) return null
+        return resp.optString("imageHash").takeIf { it.isNotBlank() }
+            ?: resp.optString("customerImage").takeIf { it.isNotBlank() }
+    }
+
+    /**
+     * Deletes the profile image via P42.
+     * Returns true on success.
+     */
+    fun deleteProfileImage(session: MibSession, profile: MibProfile): Boolean {
+        val payload = baseData(session, "P42").apply {
+            put("profileId", profile.profileId)
+        }
+        val resp = doRequest(session, payload, "n")
+        return resp.optBoolean("success", false)
+    }
+
     private fun post(body: FormBody): String {
         val request = Request.Builder()
             .url(BASE_URL)