diff --git a/addons/itsulu_blog_publisher/tests/test_llm_router.py b/addons/itsulu_blog_publisher/tests/test_llm_router.py
index 639854f..1abc262 100644
--- a/addons/itsulu_blog_publisher/tests/test_llm_router.py
+++ b/addons/itsulu_blog_publisher/tests/test_llm_router.py
@@ -6,12 +6,38 @@ Behaviour: route LLM calls to the correct provider, record token usage,
 
 RED PHASE — all tests here FAIL until llm_router and provider services exist.
 """
+import json
 from unittest.mock import patch, MagicMock
 from odoo.tests import TransactionCase, tagged
 from odoo.exceptions import UserError
 from .factories import BlogPublisherFactory
 
 
+def _make_mock_llm_response(tokens_used=800):
+    """Create a mock LLM response with valid JSON structure."""
+    response_json = {
+        "title": "Test Blog Post",
+        "body_html": "<h1>Test</h1><p>Content here.</p>",
+        "meta_title": "Test Meta Title",
+        "meta_description": "Test meta description",
+        "meta_keywords": "test, blog",
+        "tags": ["test", "blog"],
+        "social": {
+            "twitter_a": "Tweet A {{URL}}",
+            "twitter_b": "Tweet B {{URL}}",
+            "bluesky_a": "BlueSky A {{URL}}",
+            "bluesky_b": "BlueSky B {{URL}}",
+            "mastodon": "Mastodon {{URL}}",
+            "linkedin": "LinkedIn {{URL}}"
+        },
+        "sources": []
+    }
+    mock_response = MagicMock()
+    mock_response.text = json.dumps(response_json)
+    mock_response.tokens_used = tokens_used
+    return mock_response
+
+
 @tagged('post_install', '-at_install', 'itsulu_blog_publisher', 'llm_router')
 class TestLLMRouterProviderDispatch(TransactionCase):
     """Verify that the LLM router dispatches to the correct backend provider."""
@@ -46,9 +72,7 @@ class TestLLMRouterProviderDispatch(TransactionCase):
         """
         # ARRANGE
         from odoo.addons.itsulu_blog_publisher.services.llm_router import LLMRouter
-        mock_response = MagicMock()
-        mock_response.text = '<h1>AI Blog Post</h1><p>Content here...</p>'
-        mock_response.tokens_used = 800
+        mock_response = _make_mock_llm_response(tokens_used=800)
 
         with patch(
             'odoo.addons.itsulu_blog_publisher.services.anthropic_provider'
@@ -57,18 +81,16 @@ class TestLLMRouterProviderDispatch(TransactionCase):
         ) as mock_generate:
             # ACT
             router = LLMRouter(self.env, provider='anthropic', model='claude-sonnet-4-20250514')
-            result = router.generate(prompt='Write a blog post about AI trends')
+            result = router.generate(topic='Write a blog post about AI trends')
 
         # ASSERT
         mock_generate.assert_called_once()
-        self.assertTrue(result.text, "Router must return non-empty text from Anthropic")
+        self.assertTrue(result.body_html, "Router must return non-empty body_html from Anthropic")
 
     def test_openai_provider_calls_openai_endpoint(self):
         """Router with provider='openai' delegates to OpenAIProvider.generate()."""
         from odoo.addons.itsulu_blog_publisher.services.llm_router import LLMRouter
-        mock_response = MagicMock()
-        mock_response.text = '<p>OpenAI generated content</p>'
-        mock_response.tokens_used = 600
+        mock_response = _make_mock_llm_response(tokens_used=600)
 
         with patch(
             'odoo.addons.itsulu_blog_publisher.services.openai_provider'
@@ -76,17 +98,15 @@ class TestLLMRouterProviderDispatch(TransactionCase):
             return_value=mock_response,
         ) as mock_generate:
             router = LLMRouter(self.env, provider='openai', model='gpt-4o')
-            result = router.generate(prompt='Write a blog post about cloud computing')
+            result = router.generate(topic='Write a blog post about cloud computing')
 
         mock_generate.assert_called_once()
-        self.assertTrue(result.text)
+        self.assertTrue(result.body_html)
 
     def test_gemini_provider_calls_gemini_endpoint(self):
         """Router with provider='gemini' delegates to GeminiProvider.generate()."""
         from odoo.addons.itsulu_blog_publisher.services.llm_router import LLMRouter
-        mock_response = MagicMock()
-        mock_response.text = '<p>Gemini generated content</p>'
-        mock_response.tokens_used = 700
+        mock_response = _make_mock_llm_response(tokens_used=700)
 
         with patch(
             'odoo.addons.itsulu_blog_publisher.services.gemini_provider'
@@ -94,17 +114,15 @@ class TestLLMRouterProviderDispatch(TransactionCase):
             return_value=mock_response,
         ) as mock_generate:
             router = LLMRouter(self.env, provider='gemini', model='gemini-2.0-flash')
-            result = router.generate(prompt='Write a blog post about automation')
+            result = router.generate(topic='Write a blog post about automation')
 
         mock_generate.assert_called_once()
-        self.assertTrue(result.text)
+        self.assertTrue(result.body_html)
 
     def test_ollama_provider_calls_local_api_endpoint(self):
         """Router with provider='ollama' delegates to OllamaProvider.generate()."""
         from odoo.addons.itsulu_blog_publisher.services.llm_router import LLMRouter
-        mock_response = MagicMock()
-        mock_response.text = '<p>Mistral generated content</p>'
-        mock_response.tokens_used = 500
+        mock_response = _make_mock_llm_response(tokens_used=500)
 
         with patch(
             'odoo.addons.itsulu_blog_publisher.services.ollama_provider'
@@ -112,10 +130,10 @@ class TestLLMRouterProviderDispatch(TransactionCase):
             return_value=mock_response,
         ) as mock_generate:
             router = LLMRouter(self.env, provider='ollama', model='mistral')
-            result = router.generate(prompt='Write a blog post about open source AI')
+            result = router.generate(topic='Write a blog post about open source AI')
 
         mock_generate.assert_called_once()
-        self.assertTrue(result.text)
+        self.assertTrue(result.body_html)
 
     def test_unknown_provider_raises_user_error(self):
         """
@@ -126,9 +144,9 @@ class TestLLMRouterProviderDispatch(TransactionCase):
 
         with self.assertRaises(UserError) as ctx:
             router = LLMRouter(self.env, provider='unknown_provider', model='some-model')
-            router.generate(prompt='This should fail')
+            router.generate(topic='This should fail')
 
-        self.assertIn('provider not configured', str(ctx.exception).lower())
+        self.assertIn('not configured', str(ctx.exception).lower())
 
     def test_missing_api_key_raises_user_error(self):
         """Router raises UserError when required API key param is absent."""
@@ -139,7 +157,7 @@ class TestLLMRouterProviderDispatch(TransactionCase):
         )
         with self.assertRaises(UserError) as ctx:
             router = LLMRouter(self.env, provider='anthropic', model='claude-sonnet-4-20250514')
-            router.generate(prompt='Fail fast')
+            router.generate(topic='Fail fast')
 
         self.assertIn('api key', str(ctx.exception).lower())
         # Restore for other tests
@@ -166,9 +184,7 @@ class TestLLMRouterTokenLogging(TransactionCase):
         tokens_used as a positive integer when the API returns usage data.
         """
         from odoo.addons.itsulu_blog_publisher.services.llm_router import LLMRouter
-        mock_response = MagicMock()
-        mock_response.text = '<p>Content</p>'
-        mock_response.tokens_used = 1234
+        mock_response = _make_mock_llm_response(tokens_used=1234)
 
         with patch(
             'odoo.addons.itsulu_blog_publisher.services.anthropic_provider'
@@ -176,7 +192,7 @@ class TestLLMRouterTokenLogging(TransactionCase):
             return_value=mock_response,
         ):
             router = LLMRouter(self.env, provider='anthropic', model='claude-sonnet-4-20250514')
-            result = router.generate(prompt='Token test')
+            result = router.generate(topic='Token test')
 
         self.assertGreater(result.tokens_used, 0)
         self.assertEqual(result.tokens_used, 1234)