opencode: register four additional Go catalog models

docs/src/content/docs/providers/opencode-go.md

@@ -5,8 +5,9 @@ description: Configure an OpenCode Go API key, model routing, streaming, tools,
 
 OpenCode Go uses the API at `https://opencode.ai/zen/go/v1`. Its catalog spans
 OpenAI-compatible chat completions, Anthropic-compatible messages, and OpenAI
-Responses; the proxy selects the wire protocol for each registered model. The
-registered mapping follows the [official OpenCode Go endpoint table](https://opencode.ai/docs/go/#endpoints).
+Responses; the proxy selects the wire protocol for each registered model. Each
+mapping comes from the [official OpenCode Go endpoint table](https://opencode.ai/docs/go/#endpoints)
+or direct protocol verification against the API.
 
 ## Account and authentication
 
@@ -23,10 +24,9 @@ implement an OpenCode login flow.
 
 ## Models
 
-Run `claude-code-proxy models` for the statically registered catalog based on
-OpenCode's documented endpoint table. Every registered model has a
-provider-qualified form. Bare IDs are also accepted when they do not belong to
-another provider:
+Run `claude-code-proxy models` for the statically registered catalog. Every
+registered model has a provider-qualified form. Bare IDs are also accepted when
+they do not belong to another provider:
 
 ```sh
 ANTHROPIC_MODEL=opencode-go/glm-5.2 \
@@ -57,6 +57,6 @@ OpenCode Go.
 - `CCP_OPENCODE_BASE_URL` or `opencode.baseUrl` changes the API base URL.
 
 OpenCode Go may expose additional model IDs through `/models`, but the proxy
-registers only models whose wire protocol is documented. Unknown IDs are
-rejected locally. Access or usage-limit errors for registered models are
-surfaced from OpenCode.
+registers only models whose wire protocol is documented or has been verified
+against the live API. Unknown IDs are rejected locally. Access or usage-limit
+errors for registered models are surfaced from OpenCode.

src/providers/opencode/model.rs

@@ -30,6 +30,10 @@ pub const MODELS: &[ModelSpec] = &[
         id: "glm-5.1",
         endpoint: EndpointKind::ChatCompletions,
     },
+    ModelSpec {
+        id: "glm-5",
+        endpoint: EndpointKind::ChatCompletions,
+    },
     ModelSpec {
         id: "kimi-k3",
         endpoint: EndpointKind::ChatCompletions,
@@ -42,6 +46,10 @@ pub const MODELS: &[ModelSpec] = &[
         id: "kimi-k2.6",
         endpoint: EndpointKind::ChatCompletions,
     },
+    ModelSpec {
+        id: "kimi-k2.5",
+        endpoint: EndpointKind::ChatCompletions,
+    },
     ModelSpec {
         id: "deepseek-v4-pro",
         endpoint: EndpointKind::ChatCompletions,
@@ -70,6 +78,10 @@ pub const MODELS: &[ModelSpec] = &[
         id: "minimax-m2.5",
         endpoint: EndpointKind::Messages,
     },
+    ModelSpec {
+        id: "qwen3.8-max",
+        endpoint: EndpointKind::Messages,
+    },
     ModelSpec {
         id: "qwen3.7-max",
         endpoint: EndpointKind::Messages,
@@ -82,6 +94,10 @@ pub const MODELS: &[ModelSpec] = &[
         id: "qwen3.6-plus",
         endpoint: EndpointKind::Messages,
     },
+    ModelSpec {
+        id: "qwen3.5-plus",
+        endpoint: EndpointKind::Messages,
+    },
     ModelSpec {
         id: "hy3",
         endpoint: EndpointKind::ChatCompletions,
@@ -126,11 +142,36 @@ mod tests {
             .iter()
             .filter(|model| model.endpoint == EndpointKind::Responses)
             .count();
-        assert_eq!(chat, 11);
-        assert_eq!(messages, 6);
+        assert_eq!(chat, 13);
+        assert_eq!(messages, 8);
         assert_eq!(responses, 1);
     }
 
+    #[test]
+    fn refreshed_models_resolve_and_are_advertised() {
+        let advertised = advertised_models();
+        for (id, endpoint) in [
+            ("glm-5", EndpointKind::ChatCompletions),
+            ("kimi-k2.5", EndpointKind::ChatCompletions),
+            ("qwen3.8-max", EndpointKind::Messages),
+            ("qwen3.5-plus", EndpointKind::Messages),
+        ] {
+            let qualified = format!("{MODEL_PREFIX}{id}");
+            assert_eq!(
+                resolve(id).expect("registered bare model").endpoint,
+                endpoint
+            );
+            assert_eq!(
+                resolve(&qualified)
+                    .expect("registered provider-qualified model")
+                    .endpoint,
+                endpoint
+            );
+            assert!(advertised.iter().any(|model| model == id));
+            assert!(advertised.contains(&qualified));
+        }
+    }
+
     #[test]
     fn canonical_prefix_resolves_and_unknown_models_do_not() {
         let spec = resolve("opencode-go/minimax-m3").expect("known model");