Fix remaining issues in section-4 notebooks

- Fixed enumerate().memories to enumerate(.memories) in 03_grounding_with_memory
- Added redis_client initialization to setup cell in 05_crafting_data_for_llms
- Removed duplicate redis_client creation

Author: abrookins

python-recipes/context-engineering/notebooks/section-4-optimizations/03_grounding_with_memory.ipynb

@@ -431,7 +431,7 @@
         ")\n",
         "\n",
         "print(\"\\nMemories that enable grounding:\\n\")\n",
-        "for i, memory in enumerate(all_memories, 1).memories:\n",
+        "for i, memory in enumerate(all_memories.memories, 1):\n",
         "    print(f\"{i}. {memory.text}\")\n",
         "    print(f\"   Type: {memory.memory_type} | Topics: {', '.join(memory.topics)}\")\n",
         "    print()\n",

python-recipes/context-engineering/notebooks/section-4-optimizations/05_crafting_data_for_llms.ipynb

@@ -172,6 +172,7 @@
         "memory_client = MemoryClient(config=config)\n",
         "llm = ChatOpenAI(model=\"gpt-4o\", temperature=0)\n",
         "tokenizer = tiktoken.encoding_for_model(\"gpt-4o\")\n",
+        "redis_client = redis_config.get_redis_client()\n",
         "\n",
         "def count_tokens(text: str) -> int:\n",
         "    return len(tokenizer.encode(text))\n",
@@ -334,7 +335,6 @@
         "# Step 5: Save to Redis\n",
         "print(\"\\n5. Saving to Redis...\")\n",
         "\n",
-        "redis_client = redis_config.get_redis_client()\n",
         "redis_client.set(\"course_catalog_view\", catalog_view)\n",
         "\n",
         "print(\"   ✅ Saved to Redis as 'course_catalog_view'\")\n",