Drop Codex from the Kimi integration and align Claude Code config with Moonshot guide

Codex has no clear support against Moonshot's upstream, so its section
and screenshot are removed. The Claude Code section now pins all default
model tiers and the subagent model to kimi-k3, disables tool search, and
notes the auto-compact window tuning and stale-credential pitfall from
Moonshot's Claude Code guide.

src/pages/agent-network/integrations/index.mdx

@@ -24,4 +24,4 @@ Replace `<your-endpoint>` in the snippets below with the endpoint shown on the
 - [AWS Bedrock](/agent-network/integrations/bedrock) — connect Claude, Llama, and Nova on
   Bedrock with a Bedrock API key.
 - [Kimi (Moonshot AI)](/agent-network/integrations/kimi) — connect the Kimi K3 coding model
-  and use it from Claude Code, Codex, or Kimi CLI.
+  and use it from Claude Code or Kimi CLI.

src/pages/agent-network/integrations/kimi.mdx

@@ -1,7 +1,7 @@
 import { Note } from '@/components/mdx'
 
 export const description =
-  'Connect Kimi (Moonshot AI) to NetBird Agent Network for keyless, identity-based access to the Kimi K3 coding model from Claude Code, Codex, and Kimi CLI.'
+  'Connect Kimi (Moonshot AI) to NetBird Agent Network for keyless, identity-based access to the Kimi K3 coding model from Claude Code and Kimi CLI.'
 
 # Kimi (Moonshot AI)
 
@@ -25,11 +25,10 @@ through the endpoint, so pick it based on the tools you plan to connect (see bel
 2. Select **Kimi**. NetBird pre-fills the upstream URL `https://api.moonshot.ai` and the
    bearer auth header.
 3. Set the **Upstream URL** for the API shape your agents use:
-   - Keep `https://api.moonshot.ai` for **OpenAI-shaped** agents — Codex with
-     `wire_api = "chat"`, the OpenAI SDK, or anything else that calls
-     `/v1/chat/completions`.
    - Change it to `https://api.moonshot.ai/anthropic` for **Anthropic-shaped** agents —
-     Claude Code, or Kimi CLI's `anthropic` provider type.
+     Claude Code, or Kimi CLI's `anthropic` provider type. This is the common case.
+   - Keep `https://api.moonshot.ai` for **OpenAI-shaped** callers — the OpenAI SDK, or
+     anything else that calls `/v1/chat/completions`.
 4. Paste your Moonshot **API key**. The same key works for both API shapes; it is stored
    encrypted server-side and never sent to callers.
 5. Save the provider.
@@ -77,7 +76,7 @@ See [Policies](/agent-network/policies) for details.
 ## Configure Your Agent
 
 Next to your agent network endpoint in the NetBird dashboard, click **Agent Config**. With a
-Kimi provider connected, the modal shows tabs for Claude Code, Codex, and Kimi CLI — pick
+Kimi provider connected, the modal shows Kimi configurations for Claude Code and Kimi CLI — pick
 your tool and copy the pre-filled configuration. The sections below walk through each one.
 
 ## Use with Claude Code
@@ -94,42 +93,34 @@ Claude Code doesn't prompt for a key — NetBird supplies the real one.
   "env": {
     "ANTHROPIC_BASE_URL": "https://<your-endpoint>",
     "ANTHROPIC_MODEL": "kimi-k3",
-    "ANTHROPIC_SMALL_FAST_MODEL": "kimi-k3"
+    "ANTHROPIC_DEFAULT_OPUS_MODEL": "kimi-k3",
+    "ANTHROPIC_DEFAULT_SONNET_MODEL": "kimi-k3",
+    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "kimi-k3",
+    "CLAUDE_CODE_SUBAGENT_MODEL": "kimi-k3",
+    "ENABLE_TOOL_SEARCH": "false"
   }
 }
 ```
 
-`ANTHROPIC_MODEL` and `ANTHROPIC_SMALL_FAST_MODEL` point both of Claude Code's model slots
-at Kimi K3, so no Anthropic model names leak into requests.
+The model variables pin every slot Claude Code fills on its own — the Opus/Sonnet/Haiku
+tiers and subagents — to Kimi K3, so no Anthropic model names leak into requests the
+Moonshot upstream can't serve. `ENABLE_TOOL_SEARCH` must be off because Moonshot's
+endpoint rejects the `tool_reference` blocks Claude Code's tool search emits. Both come
+from [Moonshot's Claude Code guide](https://platform.kimi.ai/docs/guide/claude-code-kimi),
+which also recommends `CLAUDE_CODE_AUTO_COMPACT_WINDOW: "262144"` to make better use of
+Kimi K3's 1M-token context — optional, but worth adding for long sessions.
+
+<Note>
+  If your shell exports a leftover `ANTHROPIC_API_KEY` or `ANTHROPIC_AUTH_TOKEN` from a
+  previous setup, remove it — a stale credential overrides the `apiKeyHelper` and produces
+  confusing auth errors. NetBird injects the real Moonshot key server-side, so the client
+  needs no key at all.
+</Note>
 
 <p>
     <img src="/docs-static/img/agent-network/integrations/agent-network-configure-agent-kimi-claude-code.png" alt="NetBird Configure Your Agent modal showing the Claude Code settings.json configuration for Kimi" className="imagewrapper" />
 </p>
 
-## Use with Codex
-
-Codex speaks the OpenAI shape, so it needs the Kimi provider whose upstream URL is
-`https://api.moonshot.ai`. Add a model provider to `~/.codex/config.toml` and select it as
-the default:
-
-```toml
-model_provider = "netbird"
-model = "kimi-k3"
-
-[model_providers.netbird]
-name = "NetBird"
-base_url = "https://<your-endpoint>/v1"
-wire_api = "chat"
-```
-
-`wire_api = "chat"` makes Codex use the Chat Completions API — Moonshot serves that rather
-than the OpenAI Responses API. The `/v1` suffix is the OpenAI-compatible base path on your
-endpoint.
-
-<p>
-    <img src="/docs-static/img/agent-network/integrations/agent-network-configure-agent-kimi-codex.png" alt="NetBird Configure Your Agent modal showing the Codex config.toml configuration for Kimi with wire_api chat" className="imagewrapper" />
-</p>
-
 ## Use with Kimi CLI
 
 [Kimi CLI](https://github.com/MoonshotAI/kimi-cli) is Moonshot's own coding agent. Configure