docs: embeddings are provided by InsForge, not AI Hub

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: canyugs

README.md

@@ -9,7 +9,7 @@ A self-hosted RAG service with hybrid search (semantic + BM25), admin dashboard,
 ### Prerequisites
 
 - An [InsForge](https://insforge.app) instance with pgvector enabled
-- A [Zeabur AI Hub](https://zeabur.com/ai) API key for embeddings and LLM inference
+- A [Zeabur AI Hub](https://zeabur.com/ai) API key for LLM inference
 
 Schema migrations run automatically on first startup.
 
@@ -75,7 +75,7 @@ This sets `ZEABUR_RAG_URL` and `RAG_API_KEY` in your Claude Code settings. The a
 | `INSFORGE_URL` | Yes | InsForge backend URL |
 | `INSFORGE_KEY` | Yes | InsForge anon key |
 | `INSFORGE_API_KEY` | Yes | InsForge API key for schema migration |
-| `ZEABUR_AI_HUB_API_KEY` | Yes | [Zeabur AI Hub](https://zeabur.com/ai) key for embeddings and LLM |
+| `ZEABUR_AI_HUB_API_KEY` | Yes | [Zeabur AI Hub](https://zeabur.com/ai) key for LLM inference |
 | `RAG_API_KEY` | Auto | API key for service access (auto-generated on Zeabur) |
 | `RAG_BASIC_AUTH` | Auto | Dashboard auth (format: `admin:password`) |
 | `RAG_MODEL` | No | LLM model (default: `gemini-2.5-flash-lite`) |

zeabur-template.yaml

@@ -32,7 +32,7 @@ spec:
     - key: ZEABUR_AI_HUB_API_KEY
       type: AI_HUB_KEY
       name: Zeabur AI Hub API Key
-      description: Your Zeabur AI Hub API key for embeddings and LLM inference
+      description: Your Zeabur AI Hub API key for LLM inference
   readme: |
     # RAG-as-a-Service
 
@@ -41,7 +41,7 @@ spec:
     ## Prerequisites
 
     - An **InsForge** instance with pgvector enabled
-    - A [**Zeabur AI Hub**](https://zeabur.com/ai) API key for embeddings and LLM inference
+    - A [**Zeabur AI Hub**](https://zeabur.com/ai) API key for LLM inference
 
     Schema migrations (tables, indexes, functions) run automatically on first startup.
 
@@ -71,7 +71,7 @@ spec:
     | `INSFORGE_URL` | Yes | InsForge backend URL |
     | `INSFORGE_KEY` | Yes | InsForge anon key |
     | `INSFORGE_API_KEY` | Yes | InsForge API key (ik_...) for schema migration |
-    | `ZEABUR_AI_HUB_API_KEY` | Yes | Zeabur AI Hub key for embeddings and LLM |
+    | `ZEABUR_AI_HUB_API_KEY` | Yes | Zeabur AI Hub key for LLM inference |
     | `RAG_API_KEY` | Auto | API key for service access (auto-generated) |
     | `RAG_BASIC_AUTH` | Auto | Dashboard auth (auto-generated, format admin:password) |
     | `RAG_MODEL` | No | LLM model (default: gemini-2.5-flash-lite) |