feat(server): bump models (#15013)

#### PR Dependency Tree


* **PR #15013** 👈

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## Summary by CodeRabbit

* **New Features**
* Expanded AI capabilities with the addition of Gemini 3.5 Flash model,
providing enhanced options for AI-powered features.

* **Updates**
* Updated Claude Sonnet to the latest version for improved performance.
  * Refreshed pro models configuration with optimized selections.

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Cargo.lock

@@ -3748,9 +3748,9 @@ dependencies = [
 
 [[package]]
 name = "llm_adapter"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ca30267ba36e247d1ff7a916a03db2ceb1de7f0bfcab7250cde006cdda68c19"
+checksum = "332397a6ccde5ac47fc32b29a2eed447135eb4ff6fd05ffb88dfe937ea9c8211"
 dependencies = [
  "base64",
  "jsonschema",

Cargo.toml

@@ -16,10 +16,10 @@ resolver = "3"
   edition = "2024"
 
   [workspace.dependencies]
+  aes-gcm = "0.10"
   affine_common = { path = "./packages/common/native" }
   affine_nbstore = { path = "./packages/frontend/native/nbstore" }
   ahash = "0.8"
-  aes-gcm = "0.10"
   anyhow = "1"
   arbitrary = { version = "1.3", features = ["derive"] }
   assert-json-diff = "2.0"
@@ -40,6 +40,7 @@ resolver = "3"
   docx-parser = { git = "https://github.com/toeverything/docx-parser", rev = "380beea" }
   dotenvy = "0.15"
   file-format = { version = "0.28", features = ["reader"] }
+  hex = "0.4"
   homedir = "0.3"
   image = { version = "0.25.9", default-features = false, features = [
     "bmp",
@@ -81,6 +82,7 @@ resolver = "3"
   ogg = "0.9"
   once_cell = "1"
   ordered-float = "5"
+  p256 = { version = "0.13", features = ["ecdsa", "pem"] }
   parking_lot = "0.12"
   path-ext = "0.1.2"
   pdf-extract = { git = "https://github.com/toeverything/pdf-extract", branch = "darksky/improve-font-decoding" }
@@ -99,8 +101,6 @@ resolver = "3"
   screencapturekit = "0.3"
   serde = "1"
   serde_json = "1"
-  hex = "0.4"
-  p256 = { version = "0.13", features = ["ecdsa", "pem"] }
   sha2 = "0.10"
   sha3 = "0.10"
   smol_str = "0.3"

packages/backend/native/src/llm/assets/prompts/built-in.json

@@ -706,8 +706,8 @@
     "optionalModels": [
       "gemini-2.5-flash",
       "gemini-2.5-pro",
-      "gemini-3.1-pro-preview",
-      "claude-sonnet-4-5@20250929"
+      "gemini-3.5-flash",
+      "claude-sonnet-4-6"
     ],
     "config": {
       "tools": [
@@ -722,11 +722,7 @@
         "codeArtifact",
         "blobRead"
       ],
-      "proModels": [
-        "gemini-2.5-pro",
-        "gemini-3.1-pro-preview",
-        "claude-sonnet-4-5@20250929"
-      ]
+      "proModels": ["gemini-2.5-pro", "gemini-3.5-flash", "claude-sonnet-4-6"]
     },
     "builtins": [
       "date",

packages/backend/native/src/llm/core/model_registry.rs

@@ -61,12 +61,12 @@ mod tests {
   fn should_resolve_backend_scoped_alias() {
     let response = llm_resolve_model_registry_variant(ModelRegistryResolveRequest {
       backend_kind: Some("anthropic_vertex".to_string()),
-      model_id: "claude-sonnet-4.5".to_string(),
+      model_id: "claude-sonnet-4.6".to_string(),
     })
     .unwrap();
 
     assert_eq!(response.matched_by.as_deref(), Some("canonical"));
-    assert_eq!(response.variant.unwrap().raw_model_id, "claude-sonnet-4-5@20250929");
+    assert_eq!(response.variant.unwrap().raw_model_id, "claude-sonnet-4-6");
   }
 
   #[test]