fix: replace models removed from models.dev snapshot

opencode-go dropped deepseek-v4-flash (use deepseek-v4.1-flash) and nvidia
dropped nemotron-3-super-120b-a12b (use nemotron-3.5-super-vl-120b-a12b).

docs/providers/nvidia/index.md

@@ -34,7 +34,7 @@ The simplest way to use NVIDIA NIM:
 ```yaml
 agents:
   root:
-    model: nvidia/nvidia/nemotron-3-super-120b-a12b
+    model: nvidia/nvidia/nemotron-3.5-super-vl-120b-a12b
     description: Assistant using NVIDIA NIM
     instruction: You are a helpful assistant.
 ```
@@ -47,7 +47,7 @@ For more control over parameters:
 models:
   nemotron:
     provider: nvidia
-    model: nvidia/nemotron-3-super-120b-a12b
+    model: nvidia/nemotron-3.5-super-vl-120b-a12b
     temperature: 0.7
     max_tokens: 8192
 
@@ -66,7 +66,7 @@ for the current model list.
 
 | Model                                       | Description                       |
 | -------------------------------------------- | ---------------------------------- |
-| `nvidia/nemotron-3-super-120b-a12b`         | Nemotron 3 Super, reasoning + tool calling |
+| `nvidia/nemotron-3.5-super-vl-120b-a12b`    | Nemotron 3.5 Super VL, reasoning + tool calling |
 | `nvidia/nemotron-3-nano-30b-a3b`            | Nemotron 3 Nano, smaller/faster    |
 | `meta/llama-3.3-70b-instruct`               | Llama 3.3 70B instruction-tuned    |
 | `qwen/qwen3-coder-480b-a35b-instruct`       | Qwen3 Coder, code-focused          |
@@ -102,7 +102,7 @@ request.
 ```yaml
 agents:
   coder:
-    model: nvidia/nvidia/nemotron-3-super-120b-a12b
+    model: nvidia/nvidia/nemotron-3.5-super-vl-120b-a12b
     description: Code assistant using Nemotron
     instruction: |
       You are an expert programmer using NVIDIA Nemotron.

docs/providers/opencode-go/index.md

@@ -33,7 +33,7 @@ The simplest way to use OpenCode Go:
 ```yaml
 agents:
   root:
-    model: opencode-go/deepseek-v4-flash
+    model: opencode-go/deepseek-v4.1-flash
     description: Assistant using OpenCode Go
     instruction: You are a helpful assistant.
 ```
@@ -71,7 +71,7 @@ These models use the `/v1/chat/completions` endpoint and work directly with the
 
 | Model               | Description                           |
 | ------------------- | ------------------------------------- |
-| `deepseek-v4-flash` | Fast and cost-effective DeepSeek model |
+| `deepseek-v4.1-flash` | Fast and cost-effective DeepSeek model |
 | `deepseek-v4-pro`   | Most capable DeepSeek model           |
 | `kimi-k2.7-code`    | Kimi K2.7 optimized for code          |
 | `kimi-k2.6`         | Kimi K2.6 model                       |
@@ -144,10 +144,10 @@ OpenCode asks clients to send an `x-opencode-session` header carrying one stable
 ```yaml
 agents:
   coder:
-    model: opencode-go/deepseek-v4-flash
+    model: opencode-go/deepseek-v4.1-flash
     description: Expert code assistant
     instruction: |
-      You are an expert programmer using DeepSeek V4 Flash.
+      You are an expert programmer using DeepSeek V4.1 Flash.
       Write clean, efficient, well-documented code.
       Explain your reasoning when helpful.
     toolsets:

examples/nvidia.yaml

@@ -3,7 +3,7 @@
 models:
   nemotron:
     provider: nvidia
-    model: nvidia/nemotron-3-super-120b-a12b
+    model: nvidia/nemotron-3.5-super-vl-120b-a12b
 
 agents:
   root:

examples/opencode-go-practical.yaml

@@ -7,7 +7,7 @@
 #
 # Available models:
 #   OpenAI-compatible (/v1/chat/completions):
-#     deepseek-v4-flash, deepseek-v4-pro, kimi-k2.7-code, kimi-k2.6,
+#     deepseek-v4.1-flash, deepseek-v4-pro, kimi-k2.7-code, kimi-k2.6,
 #     glm-5.2, glm-5.1, mimo-v2.5, mimo-v2.5-pro
 #
 #   Anthropic-compatible (/v1/messages) — requires a custom provider:
@@ -15,7 +15,7 @@
 
 agents:
   root:
-    model: opencode-go/deepseek-v4-flash
+    model: opencode-go/deepseek-v4.1-flash
     description: Go assistant for programming tasks
     instruction: |
       You are an expert programming assistant.

examples/opencode-go.yaml

@@ -1,6 +1,6 @@
 agents:
   root:
-    model: opencode-go/deepseek-v4-flash
+    model: opencode-go/deepseek-v4.1-flash
     description: A helpful AI assistant powered by OpenCode Go
     instruction: |
       You are a helpful AI assistant powered by OpenCode Go.

pkg/config/auto.go

@@ -175,7 +175,7 @@ var DefaultModels = map[string]string{
 	"moonshotai":     "kimi-k3",
 	"vercel":         "openai/gpt-5.6-sol",
 	"amazon-bedrock": "global.anthropic.claude-sonnet-5",
-	"opencode-go":    "deepseek-v4-flash",
+	"opencode-go":    "deepseek-v4.1-flash",
 	"opencode":       "deepseek-v4-flash-free",
 }
 

pkg/config/auto_test.go

@@ -547,7 +547,7 @@ func TestDefaultModels(t *testing.T) {
 	assert.Equal(t, "kimi-k3", DefaultModels["moonshotai"])
 	assert.Equal(t, "openai/gpt-5.6-sol", DefaultModels["vercel"])
 	assert.Equal(t, "global.anthropic.claude-sonnet-5", DefaultModels["amazon-bedrock"])
-	assert.Equal(t, "deepseek-v4-flash", DefaultModels["opencode-go"])
+	assert.Equal(t, "deepseek-v4.1-flash", DefaultModels["opencode-go"])
 	assert.Equal(t, "deepseek-v4-flash-free", DefaultModels["opencode"])
 }